DE102004001467A1 - Machine or machine section with at least one electric motor, which is preferably designed as a synchronous motor and / or slip-on motor and is used for the direct drive of a winding core of a winding roll or for the direct drive of another rotary component, in particular for use in the paper industry, and a conversion method relating thereto - Google Patents

Abstract

For a machine or a machine section for the production or / and refinement or / and other treatment or / and handling of a running material web, in particular made of paper or cardboard, comprising at least one rotary component (108) which can be driven by at least one electric motor (12), which has a rotor which is coupled or can be coupled to the rotary component in the sense of a rotary drive and a stator which is supported directly or indirectly on a frame of the machine or the machine section or on a motor mount which is arranged so as to be movable relative to the frame against rotation, is proposed according to one aspect of the invention that the electric motor is designed or can be operated as a synchronous motor (12) and that the electric motor is arranged or can be arranged coaxially with the rotary component (108) in association with an axial end region (24) thereof, the rotor or a rotary drive connection (18) thereof essentially play - free joint Dr ehung rotatably directly coupled to the rotary component or a rotary drive connection (24) thereof or can be coupled. The rotating component can be, for example, a drying cylinder in a dryer section or the winding core (108) of a winding roll in a machine or a machine section for winding the material web onto the winding core to form the winding roll and / or for unwinding the material web from the winding roll.

Description

The According to a first aspect, the invention relates to a machine or a machine Machine section for preferably continuous winding a web of material, especially paper or cardboard, onto one in particular from a winding core formed to a winding roll or / and for preferably continuously unwinding the material web from such a winding roll, the respective winding core by at least one currently operationally assigned Electric motor is drivable, one with the winding core in mind of a rotary drive coupled or couplable rotor and one directly or indirectly on a frame of the machine or the machine section or a motor mount that is movably arranged relative to the chair supported against rotation Has stator.

The According to a second aspect, the invention also relates more generally also a machine or a machine section for manufacturing or / and finishing or / and other treatment or / and handling a running material web, in particular made of paper or cardboard, comprising at least one rotary component by at least one Electric motor is driven, the one with the rotary component in Sense of a rotary drive coupled or couplable rotor and one directly or indirectly on a frame of the machine or the Machine section or a movable relative to the chair Motor mount has stator supported against rotation.

• – die Führerseite weist Randsaugzonen zum Führen eines vorlaufenden Einfädel- oder Überführungsstreifens der Materialbahn auf,
• – wenigstens eine Haube einer Trockenzylinderanordnung kann auf der Führerseite geöffnet werden, insbesondere von Entfernen von Bahnrückständen im Falle eines Bahnabrisses,
• – auf der Führerseite stehen Komponenten der Maschine oder des Maschinenabschnitts höchstens in geringem Maße über die Stuhlung zur Seite vor,
• – Drehkomponenten wie Führungswalzen, Saugwalzen, Trockenzylinder und dergleichen sind zur Führerseite hin aus der Maschine bzw. dem Maschinenabschnitt herausziehbar, etwa zum Auswechseln der jeweiligen Drehkomponente, wenn diese verschlissen ist.

According to a third aspect, the invention also relates to a machine or a machine section for the production or / and refinement and / or other treatment or / and handling of a running material web, in particular made of paper or cardboard, comprising at least one rotating component extending transversely to the running direction of the material web which can be driven by at least one electric motor which has a rotor which is coupled or can be coupled to the rotary component in the sense of a rotary drive and a stator which is supported directly or indirectly on a frame of the machine or the machine section or on a motor mount which is movably arranged relative to the frame to prevent rotation, wherein the machine or machine section has a driver side and a drive side, the driver side being characterized by at least one of the following features:

• The driver's side has edge suction zones for guiding a leading threading or transfer strip of the material web,
• At least one hood of a drying cylinder arrangement can be opened on the driver's side, in particular removal of web residues in the event of a web break,
• - On the driver's side, components of the machine or machine section protrude to the side to a limited extent only via the frame,
• - Rotary components such as guide rollers, suction rollers, drying cylinders and the like can be pulled out of the machine or the machine section to the driver's side, for example to replace the respective rotary component when it is worn out.

It in this context becomes particularly stationary in the machine or in the machine section arranged rotary components and accordingly stationary in the Machine or machine section arranged electric motors intended the rotating component for example on guide rollers, suction rollers, drying cylinders, press rollers and the same.

Such machines, machine sections and drive arrangements based on electric motors, which are suitable for such machines or machine sections, are known in a wide variety of configurations. Concerning winding machines for winding or unwinding a material web, for example, the DE 197 35 590 A1 . DE 198 22 261 A1 . DE 40 07 329 A1 . DE 197 45 005 A1 and EP 0 826 615 A1 directed. Special reference is made to the Sirius roll-up system from Voith Paper. Various other roll-up and roll-off arrangements to which the invention is applicable in principle are also known in the art.

Regarding the drive of drying cylinders in a dryer section of a paper machine, the state of the art can, for example, refer to DE 100 35 578 A1 . DE 100 25 316 A1 and EP 1 158 188 A1 are referred to, each of which shows a direct drive of a drying cylinder by means of a slip-on motor in the form of a three-phase asynchronous motor without an intermediate gear. The DE 299 08 433 U1 shows a roller drive, in particular for a paper guide roller or spreader roller in a paper or cardboard manufacturing machine, by means of an asynchronous hollow shaft motor which is plugged onto a roller journal of the roller without the interposition of a gear. A drying cylinder directly driven by means of a permanent magnet motor is from the DE 87 03 410 U1 and of the same priority US 4,820,947 known.

The object of the invention at least according to the first and second aspects is to be a machine or a machine section of the type specified to ride that meets the requirements that arise in practice particularly well, especially with regard to compactness of the rotary drive and cost-effectiveness by avoiding mechanical drive elements such as gears, couplings and cardan shafts between the electric motor on the one hand and the component to be driven on the other.

to solution this task is proposed according to the invention (first aspect the invention) that the electric motor is designed as a synchronous motor or is operable, and that with operational assignment to a respective Coiling core of the electric motor coaxial with this winding core in association is arranged to an axial end region thereof, the Rotor or a rotary drive connection of the same to essentially backlash-free rotation together with the winding core or a rotary drive connection of the same or can be coupled is.

general is proposed according to the invention (second aspect of the invention) that the electric motor as a synchronous motor accomplished or is operable, and that the electric motor coaxial with the rotary component is arranged in association with an axial end region thereof, wherein the rotor or a rotary drive connection of the same to essentially backlash-free rotation together with the rotating component or a rotary drive connection of the same or can be coupled is.

To the invention is a direct drive of the component to be driven (Winding core or winding roll having this; generally a rotating component) provided in the sense of a so-called "center drive", on intermediate mechanical drive elements such as gears, Couplings and cardan shafts are dispensed with, so on the one hand a very compact drive unit containing the electric motor for the rotary drive is realizable and on the other hand the not inconsiderable costs for intermediaries mechanical drive elements can be avoided. An important point of view in this context is the characteristic of the backlash-free common Rotation as a result of the elimination of the mechanical drive elements mentioned, whereby - if technically sensible - targeted predefined or resulting from a certain operating situation Rotational positions are approachable.

Opposite one Asynchronous motors have the advantage that the Speed can be optimized more easily, and that the elimination of those required with an asynchronous motor Slip compensation improves the dynamic control behavior of the engine. It will be higher Accuracy than usual Asynchronous motors reached. In particular, there are comparatively large torques low speeds possible. This applies in particular if the motor is designed with permanent magnets. In this context it is mainly based on at least a rare earth material, such as neodymium iron drilling, manufactured permanent magnets thought. So-called "torque motors" based on the principle of a synchronous motor are particularly ideal function. Torque motors usually consist of a stator and a rotor with permanently excited magnets. Because of the comparative Such motors are particularly capable of high energy density (permanent magnets) build compact or very strong torques over a large speed range deliver. Such motors are therefore for use in the context of Invention particularly suitable.

task of the invention, at least according to the third aspect, is a machine or to provide a machine section of the type specified which towards the designer a conventional one Design and arrangement of individual components a larger constructive There is free space and / or can meet special requirements and which may be expedient and inexpensive by way of a conversion Basis of an existing machine or an existing machine section is available.

to solution this task is proposed according to the invention (third aspect the invention that at least one for driving the or a rotary component serving electric motor on the driver's side is arranged.

The Terms "leader side" and "drive side" are for the expert in the paper industry and the specialist in the corresponding machines developing and manufacturing industries clearly defined and clear with characteristics of the machine or the machine section. The leader's side is the operating side from which the machine or machine section is operated and cleaned if necessary. In particular, the tender side forth material web remnants, especially scraps of paper, in the case of a Web breaks eliminated, for example using compressed air hoses, for the corresponding one Compressed air connections on the leader's side are provided. In the case of a dryer section, the drying cylinders are usually covered by a common or single hood, and these hoods can be opened on the operating side, i.e. the driver's side, to shred paper or to remove the like between the drying cylinders.

Furthermore, the various components of the machine or machine section, such as the drying cylinders and guide rollers, are mounted on the frame in such a way that none on the driver's side Parts of the storage or the relevant component protrude significantly beyond the frame. On the other hand, there are no restrictions on the drive side, and parts of the bearing or the components may protrude from the frame, depending on the expediency.

The tender side is also clear by threading the web into the Machine and the machine section serving components and functional Refinements defined. So are for threading a threading or transfer strip a respective material web edge suction zones on the driver's side intended. The threading or transfer strip will when performing along the leader's side guided, so that this important phase of operation is easier to control.

supply lines are, however, primarily arranged on the drive side. There are also steam supply heads for drying cylinders also usually arranged on the drive side, and the condensate drain also takes place on the drive side.

The Drive side and the driver side are generally also clearly identified by the fact that the drive side to the next Machine or to the next Wall in a factory building or the like just a short distance on the other hand, that must exist on the driver's side to the next machine or to the next Wall at least one installation space in the order of the machine width exists or must exist so that drying cylinders, guide rollers and the like on this side from the machine or the machine section can be pulled out, for example to replace a respective worn one Component. So far so transverse to the direction of the web extending rotating components are not permanently installed, but are interchangeable, this is done on the driver's side towards or from the driver's side out.

Further are, as the term "drive side" itself expresses, on the drive side usually drive motors for the various components of the machine or machine section arranged. This arrangement is particularly related with the interchangeability of turning components from the leader's side from or to the driver's side particularly useful since then the respective electric motor is not in the way.

According to the invention but suggested by the tried and tested Arrangement of the electric motors used for driving at least on the drive side to deviate on a case-by-case basis. This can be useful, for example, if an existing machine or an existing machine section is rebuilt, for example for a higher performance or in other ways. The conversion may then be less expensive be executed when installing a new engine on the drive side additional Conversion effort necessary would do. For example, when converting from an indirect one Drive from drying cylinders to a direct drive without intermediate Gear and the like by arranging the new one for direct drive serving electric motor on the guide side can be avoided, that steam heads on the drive side are removed or converted Need to become.

Especially is appropriate if the one on the leader's side arranged electric motor is designed as a slip-on motor. It is primarily thought that the one on the driver's side arranged electric motor coaxial to the rotating component in assignment is arranged to an axial end region thereof, the Rotor or a rotary drive connection of the same to essentially backlash-free rotation together with the rotating component or a rotary drive connection of the same or can be coupled is. Intermediate mechanical drive elements such as gears, Couplings and cardan shafts are therefore omitted. It in this context, the above explanations in connection with the first and second aspects of the invention directed.

The Electric motor can be designed or operated as an asynchronous motor. In contrast, it is but preferred that the electric motor is designed as a synchronous motor or is operable. There are those in connection with the first and advantages explained in the second aspect of the invention. Coming the further training opportunities addressed to the first and second aspects (Permanent magnets, etc.). It is particularly in the Intended use of a torque motor.

The Machine or the machine section, as already mentioned, originated from the conversion of a machine or a machine section, in which the rotating component in question was previously replaced by one on the Drive side arranged, the rotary component associated electric motor was driven. In the course of the renovation, it was on the driver's side arranged electric motor installed in assignment to the rotating component. The In this context, the invention also represents a conversion method ready (see below).

The rotor is preferably designed in a ring shape and arranged radially inside the stator. As already mentioned in connection with the third aspect of the invention, the electric motor can be used particularly expediently as a plug-on motor or Hollow shaft motor can be executed. In this context, it is specifically proposed that the electric motor, in the manner of a hollow shaft motor, be plugged or plugged directly onto a shaft journal of the winding core or the rotary component serving as a rotary drive connection, the electric motor mounted on the shaft journal with its rotor being in a positive rotational connection with the shaft journal ,

ever after execution the machine or the machine section, it can be particularly expedient that the shaft journal is designed as a hollow shaft, for example for Respectively of an operating fluid, possibly process steam, into an interior of the Rotary component or to discharge a Fluids (possibly process steam or condensate) from the interior. A such a configuration is particularly in connection with drying cylinders a dryer section of interest.

Prefers is, as already mentioned, the electric motor of the synchronous motor type referred to as "torque motor" or "permanent magnet motor". such Motors have been used to drive machine tools, in particular for direct drive without mechanical transmission elements such as couplings and gearbox, proven. Because of their compactness and positioning accuracy they will used for example in swivel axes and rotary tables. Because of their high dynamics, they are used in dynamic machine tools and for high-speed axes of lathes successfully used. There are also torque motors and permanent magnet motors in particular offered with integrated air or water cooling, for example from Siemens Linear Motor Systems and from ABB. With regard to the invention in the Machine or the machine section to be used electric motor Above all, it is thought that this is an integrated fluid cooling, preferably Liquid cooling, most preferably Water cooling, having. The stator of the electric motor preferably has an integrated one Fluid cooling, preferably liquid cooling, most preferably Water cooling, on.

A particularly preferred embodiment is characterized by a closed associated with the electric motor executed Coolant circuit (especially cooling water circuit) out. The cooling fluid circuit, especially cooling water circuit, can be advantageous with a cooling fluid storage arrangement (in particular cooling water storage arrangement) or / and with a heat exchange arrangement or / and with a filter arrangement. You can also get one Provide heating arrangement which preheats the cooling fluid, in particular cooling water, allows especially for Startups. The cooling fluid can therefore be preheated before the actual start of operation, to bring the electric motor to a minimum operating temperature, and then for cooling serve the electric motor. The cooling water circuit can with common components (Feed pump, metering devices, particle dirt filter, Flow monitor, temperature monitor, orifice, Shut-off valve, etc.) his. A common cooling water circuit for several is preferred Elektromtoren.

The Use of a closed circuit compared to a cooling water supply from the public Pipeline network or from a surface water supply offers the Advantage that constant cooling conditions (in particular constant inlet temperature) and constant cooling medium quality (cleanliness, Freedom from interfering particles etc.) guaranteed can be.

are provided multiple electric motors, it is preferred to use this one common cooling fluid supply, especially cooling water supply. This also applies if the electric motors are each different Rotary component or another winding core assigned or assignable are. In this case, in the sense of the training proposal already mentioned, it is preferred that the electric motors over a common, closed cooling fluid circuit, in particular Cooling water circuit, with cooling fluid, especially cooling water, are available.

to Avoidance of condensation, especially in particular Operating situations, thermal encapsulation (insulation) of the Motor be provided. The housing or / and the encapsulation can be made of a non-rusting material exist (e.g. stainless steel, die-cast aluminum). Come as insulation various plastic materials, for example polyurethane, that because of its low thermal conductivity and its low need for construction volume and light weight is particularly advantageous. The insulating layer can be particularly expediently direct on and around the motor housing on or foamed his. This also turns into an effective side effect Noise reduction of the Motors reached.

A preferred embodiment is characterized in that the electric motors are each arranged in a separate one of a plurality of cooling fluid branches which are connected in parallel and have a common inlet and a common outlet. To this end, it is further developed that at least one of the cooling fluid branches can be individually shut off and / or controlled or regulated individually with regard to the cooling fluid flow and / or with respect to at least one interest variable, for example fluid temperature and / or cooling fluid flow, can be monitored and / or that at least one of the cooling fluid branches is designed with its own filter arrangement. Cooling conditions that are optimally adapted to the respective operating situation can then be set and guaranteed for each electric motor.

For example when used in a dryer section, inclusion of the temperature in the dryer section in the control / regulation of the cooling advantageous his. To avoid condensation, you can provide that the cooling circuit also used to keep the engine at an existing temperature to keep. This can include "heating" the engine, z. B. when the temperature in the dryer section drops. It is in this connection to shutdown processes and falling drive power thought. There is also a "heating" of the engine in the interruption phases or at least before starting the operation to avoid condensation to avoid or the engine to a minimum operating temperature bring.

So far condensate accumulates in or in the area of the (respective) electric motor advantageously be provided that the condensate together with the Electric motor supplied cooling fluid is laxable, for example by feeding into the cooling fluid circuit or cooling fluid branch.

The Electric motor can be advantageously along one with its motor mount Motor guide track be relocatable. Such a design and application of Electric motor is related by the relative compactness of the with the proposed invention according to the first or second aspect provided according to the invention Synchronous motor particularly relieved. For example, the electric motor be arranged on a swivel lever or carriage, wherein either an active drive for relocating the electric motor is provided or this is mediated by a correspondingly moving rotating component or a correspondingly shifted winding core or winding roll is shifted.

It it is especially thought that the mentioned winding core or the winding roll is displaceable along a winding guideway, and that the motor guideway and the winding guideway correspond to each other at least in certain areas for a common relocation of the Winding core or the winding roller and the operationally assigned to the winding core The electric motor. Furthermore, regarding the mentioned turning component remembered that this is along a rotating component guideway is relocatable, and that the motor guideway and the rotating component guideway correspond to each other at least in certain areas for a common relocation the rotating component and the electric motor.

The Motor guide track can be linear at least in some areas. This can be particularly useful below Use of a carriage for the motor can be realized. The motor guideway can also run in an arc shape at least in some areas. This can be special expedient also realized by means of a carriage or by means of a swivel lever become.

The or at least one electric motor, which after the first or second Aspect of the invention can be designed according to the invention as a synchronous motor, can be on the drive side of the machine or machine section be arranged. Furthermore, the or at least one electric motor, which according to the first or second aspect of the invention according to the invention as a synchronous motor accomplished can be on the leader's side the machine or the machine section.

It can be provided that two on different sides (leader side and drive side) of the machine or the machine section Motors drive a rotary component or a winding core together.

Concerning the addressed machine for winding or unwinding a material web above all, but not exclusively, thought of such a configuration that the winding core in a a first electric motor operationally assignable in the first operating phase is so that its rotor or the rotary drive connection of the same essentially free of play directly with the winding core or the rotary drive connection the same is coupled that the winding core in a second operating phase second electric motor is operationally assignable, so that its rotor or the rotary drive connection of the same in Essentially free of play directly with the winding core or the rotary drive connection it is coupled, and that in a transition phase the rotor or whose rotary drive connection of the first electric motor from the winding core disconnectable and the rotor or its rotary drive connection of the second electric motor can be coupled to the winding core, preferably such that at least in a partial phase of the transition phase both electric motors are coupled to the winding core. The two electric motors are preferred on different sides of the machine or machine section arranged.

According to a preferred development, the first electric motor with its motor mount can be displaced along a first motor guideway and the second electric motor with its motor neck can be moved along a second motor guideway. The first motor guideway is preferably arcuate and the second motor guideway is preferably linear.

For a winding machine with a primary drive and a secondary drive it is particularly useful if the first and second electric motors are related to each other can be controlled, preferably regulated, that the rotary drive connection of the first electric motor and the rotary drive connection of the second Electric motor a predetermined defined relative rotational position or one of several predefined defined relative rotary positions relative to each other. It can then be guaranteed that a easy handover of the rotary drive from the primary winder to the secondary winder possible is by for that Care is taken that the rotary drive connection of the winding core and the rotary drive connection of the rotor of the second motor one enabling easy engagement take relative rotational position to each other, possibly at least in phases while rotation is maintained.

A particularly preferred development of the machine or the machine section is characterized by the fact that the rotary drive connection of the rotor, on the one hand, and the rotary drive connection of the respective winding core or the rotary component, on the other hand, can be engaged and disengaged Positive coupling, in particular a spline-tooth coupling, form. This suggestion for further training is primarily for the machine in question or the machine section mentioned for winding or unwinding a material web of interest because of the training proposal an advantageous coupling or uncoupling of a drum, for example to an electric motor or an electric motor in question.

In In this context, it is suggested that one one of the rotary drive connections forming the form-fitting coupling on a shaft section rotatably and axially displaceably arranged Includes dome sleeve, the driving formations on an inner circumference and / or outer circumference has that with counter-driving information on a dome sleeve counter section the other rotary actuator connection with essentially no play Form-fit-driving engagement are feasible.

Further can advantageously be provided that a relative rotational position between driving information of the one rotary drive connection and counter-driving information of the other rotary drive connection before engaging the positive locking coupling detectable on the basis of at least one assigned rotary encoder is and that the electric motor for the engagement by electrical control in the sense of a control or / and control defined in a one-clutch relative rotational position corresponding between entrainment formations and counter-entrainment formations Rotational position is adjustable. This configuration can always short engagement times, reliable engagement guaranteed and increased Wear in Area of the positive coupling can be avoided.

Advantageous you can a brake device assigned to the (respective) electric motor provide, preferably comprising at least one on an engine output shaft arranged brake disc. The motor output shaft forms the one addressed Rotary drive connection of the rotor or has this.

The Proposals for inventions and further training are also available in particular a dryer section of a machine for producing and / or finishing a running material web, for example a paper or cardboard manufacturing machine or a coating machine. The invention accordingly provides one Machine section in the form of a dryer section of a machine for Production or / and finishing of a running material web ready, in which according to the second aspect of the invention as a synchronous motor executed (respective) electric motor a rotating component in the form of a drying cylinder drives. The invention in its various aspects can moreover but also on various other turning components of paper and cardboard manufacturing machines and paper or cardboard finishing machines are applied, besides the already mentioned winding machines. It will be special too to an application relating to the splicing of material webs, in particular Paper webs, intended to use rotating components.

To the third aspect of the invention is further provided Machine section in the form of a dryer section of a machine for Production or / and finishing of a running material web. According to the invention, that the one on the leader's side arranged (respective) electric motor a rotating component in the form a drying cylinder or a guide roller. With the electric motor it is preferably an electric motor designed as a slip-on motor. The execution is preferred of the electric motor as a synchronous motor, especially a torque motor.

In a further development, it is proposed that a plurality of drying groups, each comprising a plurality of drying cylinders and associated guide rollers, be provided, with each in each drying group at least one drying cylinder and / or at least one guide roller can be driven by an electric motor, in particular a plug-on motor, arranged on the driver's side. It can advantageously be provided that the electric motors are designed or operated as synchronous motors, in particular torque motors, and that a speed control / regulating arrangement is provided by means of which several associated electric motors can be speed-controlled or - preferably - controlled by speed. In particular, by means of the speed control / regulating arrangement, several synchronous motors assigned to a drying group or / and several synchronous motors assigned to different drying groups can be speed-controlled or - preferably - speed-controlled.

The The invention also provides a machine section in shape a headbox or a wire section or a former Machine for the production and / or finishing of a running material web. It. it is proposed that the (respective) Electric motor (especially plug-on motor) a rotating component in Shape of a roller, if necessary a screen guide roller, drives. Again is an execution of the electric motor as a synchronous motor, especially a torque motor, especially appropriate.

The The invention also provides a machine section in shape a press section of a machine for manufacturing or / and finishing a running material web. According to the invention it is provided that the on the leader's side arranged (respective) electric motor, in particular plug-on motor, a Rotating component in the form of a roller, possibly a press roller or a felt guide roller, drives. Again, it is particularly useful if the electric motor is designed as a synchronous motor, in particular a torque motor.

• – die Führerseite weist Randsaugzonen zum Führen eines vorlaufenden Einfädel- oder Überführungsstreifens der Materialbahn auf,
• – wenigstens eine Haube einer Trockenzylinderanordnung kann auf der Führerseite geöffnet werden, insbesondere von Entfernen von Bahnrückständen im Falle eines Bahnabrisses,
• – auf der Führerseite stehen Komponenten der Maschine oder des Maschinenabschnitts höchstens in geringem Maße über die Stuhlung zur Seite vor,
• – Drehkomponenten wie Führungswalzen, Saugwalzen, Trockenzylinder und dergleichen sind zur Führerseite hin aus der Maschine bzw. dem Maschinenabschnitt herausziehbar, etwa zum Auswechseln der jeweiligen Drehkomponente, wenn diese verschlissen ist. Der oder wenigstens ein Elektromotor ist auf der Triebseite angeordnet.

The invention further provides a method for converting a machine or a machine section for the production and / or finishing or / and other treatment or / and handling of a running material web, in particular made of paper or cardboard, comprising at least one rotating component extending transversely to the running direction of the material web, which can be driven by at least one electric motor which has a rotor which is coupled or can be coupled to the rotary component in the sense of a rotary drive, and a stator which is supported directly or indirectly on a frame of the machine or the machine section or on a motor mount which is movably arranged relative to the frame to prevent rotation , The machine or machine section has a driver side and a drive side. The leader's side is characterized by at least one of the following features:

• The driver's side has edge suction zones for guiding a leading threading or transfer strip of the material web,
• At least one hood of a drying cylinder arrangement can be opened on the driver's side, in particular removal of web residues in the event of a web break,
• - On the driver's side, components of the machine or machine section protrude to the side to a limited extent only via the frame,
• - Rotary components such as guide rollers, suction rollers, drying cylinders and the like can be pulled out of the machine or the machine section to the driver's side, for example to replace the respective rotary component when it is worn out. The or at least one electric motor is arranged on the drive side.

According to the invention, that in the course of the renovation in association with the or at least one Rotary component an electric motor is installed on the driver's side the drive of the rotary component instead of or in addition to the or at least an electric motor arranged on the drive side takes over. In this context, it is primarily thought that the on the leader's side arranged electric motor alone takes over the drive of the rotary component and that the rotary drive connection between the rotary component and the electric motor arranged on the drive side is interrupted becomes. As a rule, it will make sense if the on the Drive side arranged electric motor is removed.

The The rotating component in question can have a shaft journal on the driver's side have, which is suitable as a rotary drive connection or in the course of Remodeling for suitability as a rotary actuator connection is equipped. Another possibility is, that the turning component in the course of the conversion still with an as Rotary actuator connection suitable shaft journal. In the course of the renovation, the preferred execution of the Electric motor as a slip-on motor producing a positive rotary connection attached to the shaft journal.

The Remodeling can result in a machine or a machine section have that of a machine according to the invention or a machine section according to the invention according to the second or third aspect of the invention and those addressed Training opportunities corresponds to this.

The In the following, the invention is illustrated by means of those shown in the figures Embodiments explained in more detail.

1 shows a drive unit which is used for the rotary drive of reels and has a synchronous motor 10 in a winding station or winding machine for winding a material web, in particular paper or cardboard, onto a respective reel.

2 shows a closed cooling water circuit for several, each having a synchronous motor drive units.

3 shows a winding machine, which has a primary winder, a secondary winder and a driven pressure or carrier drum or pressure or carrier roller and starts from the Sirius winding machine from Voith Paper.

4 schematically shows a side view of an essentially the construction of the 3 corresponding winding machine.

5 shows an example of a drying cylinder directly driven by means of a water-cooled synchronous motor in a dryer section of a paper machine or coating machine.

6 schematically shows a dryer section of a paper machine before a conversion ( 6a ) and after a conversion ( 6b ).

7 shows an illustrative embodiment of a section of a dryer section, in which the drive motors for the drying cylinders are arranged on the driver side and the drive motors for associated guide or guide rollers on the drive side.

Traditionally the winding and unwinding of paper webs by means of standard asynchronous electric motors. The power transmission mechanical to the reel arranged in the winding station Drive elements such as cardan shafts, gears and clutches. This Drive elements and the not particularly compact motors require comparatively lots of space, so larger buildings are required, or in a given building the installable machine capacity is limited accordingly. This also results in a comparatively complex construction of the winding machine result in large masses to be moved and a comparatively complex electric control. Furthermore, the investment expenditure is consequential expensive components and the space requirement mentioned comparatively large.

• – Eine konstante Zugleistung über einen großen Wickelbereich erfordert einen sehr großen Motor.
• – Es resultieren ein großes Gewicht, ein großer Platzbedarf und es müssen große Massen bewegt werden.
• – Die Maschinenkonstruktion muss besonders steif ausgeführt werden mit entsprechenden Kosten und entsprechendem Bauraumbedarf.
• – Herkömmliche Motoren werden üblicherweise durch weiteren Bauraum einnehmende Anbaulüfter gekühlt (Fremdkühlung).
• – Durch Getriebeeinbau ist zwar auf Grundlage einer Drehzahlanhebung eine Reduzierung der Motorgröße möglich, das Getriebe ist aber kostenaufwändig und führt in der Regel Drehspiel ein. Überdies ist der Bauraumgewinn wegen des Platzbedarfs für das Getriebe begrenzt.
• – Große Motoren führen zu einer großen Geräuschentwicklung.
• – Es resultiert ein hohes Trägheitsmoment des Antriebs.

The key disadvantages of the prior art are as follows:

• - A constant pulling power over a large winding area requires a very large motor.
• - This results in a large weight, a large space requirement and large masses have to be moved.
• - The machine construction must be particularly rigid, with corresponding costs and corresponding space requirements.
• - Conventional motors are usually cooled by additional fans that take up additional installation space (external cooling).
• - Although gearboxes can be used to reduce the size of the motor based on a speed increase, the gearbox is costly and generally introduces a backlash. In addition, the space available is limited because of the space required for the transmission.
• - Large motors make a lot of noise.
• - A high moment of inertia of the drive results.

In contrast, the invention proposes before, to drive an electric motor designed or operable as a synchronous motor, in particular a so-called "torque motor" with permanently excited, to use a high energy density magnet, which as Center drive with the elimination of all mechanical drive elements such as gears, clutches and propeller shafts with the exception of one Coupling and uncoupling a respective drum (generally winding core) to the electric motor Coupling, especially form-locking coupling, is used for the rotary drive.

The drive unit 10 the 1 is implemented in implementation of this invention proposal with a so-called torque motor or permanent magnet synchronous motor, which according to 1 in a cuboid motor lantern 12 is arranged on a chair 14 the winding station (or a paper machine) is fixed or movable along a guideway (for example by means of a sliding carriage). From the motor lantern 12 the motor output shaft stands 15 on which an engine output hub 16 via an expansion screw 17 is attached. On the engine output hub 16 sits a sliding sleeve 18 which is held by means of a spline or spline toothing on the outer periphery of the output hub and in the inner periphery of the sliding sleeve on the output hub substantially rotatably and thus with the output shaft 15 is essentially rotatably coupled. The sliding sleeve, which can also be called a sliding or coupling hub 18 is with a toothing 20 (External teeth) on their outer circumference with a ordered counter-toothing 22 (Internal toothing) in an inner circumference of a coupling end 24 (often referred to as "drum bell") of a respective drum 108 can be brought into essentially play-free rotary driving engagement in order to drive the respective reel for winding or unwinding a material web for common rotation.

For removing and engaging the sliding sleeve 18 and the respective coupling end 24 or the drum bell of a respective drum-shaped positive coupling is the sliding sleeve by means of a pneumatically operated cylinder-piston device, for example 26 relative to the output hub 16 Slidable in the keyway arrangement, using a two-armed lever (engagement lever) 28 and a rotary bearing effective between the lever and the sliding sleeve 30 ,

The engine output hub 16 also carries a brake disc 32 , the braking of the rotation of the synchronous motor or its output shaft 16 and thus possibly the reel or the winding roll by means of a brake caliper braking device 34 allows. The braking device can advantageously be operated pneumatically.

As a rule, it will be expedient if the torque motor or generally the synchronous motor according to the invention has a speed sensor 36 assigned.

Active cooling of the drive unit is preferred 10 , specifically the torque motor or permanent magnet synchronous motor (generally synchronous motor) contained therein, preferably a water cooling system in which cooling water is actively supplied and discharged again. This is in 1 through the arrows 38 symbolizes.

It will often be advisable to ensure that condensate is removed in a defined manner, as described in 1 by the arrow 40 is symbolized. In this context, it is particularly expedient if the condensate is fed to the cooling water flowing off.

Depending on the design of the engine, it can be provided with a permanent lubrication supply and / or have a relubrication device. A connection for the supply of lubricant is in 1 With 42 denotes and is used in particular for the intermittent lubrication of the splines of the engine output hub 16 and the sliding hub 18 , High-temperature grease lubrication is preferred since, depending on the operating situation, comparatively high operating temperatures can occur. This applies in particular in connection with other applications within the scope of the invention, especially in connection with the drive of drying cylinders by means of synchronous motors according to the invention, preferably torque motors.

In the drive unit 10 A rotary encoder can be integrated, which enables an exact detection of a current rotary position. Furthermore, such a rotary encoder can be assigned to a respective drum or a device can be provided that has an angular position of the internal toothing 22 determines or a defined angular position of this internal toothing (absolute or relative to the external toothing 20 ) sets. This opens up the possibility of determining the relative angle of rotation of the two coupling halves of the form-fitting coupling, that is to say the angular position of the external toothing 20 relative to the internal toothing 22, in the uncoupled state, to be coordinated with one another in such a way that a secure coupling is ensured, in such a way that axial end faces of the toothing, which are preferably designed as “degree toothing”, do not collide with one another. A control unit that controls or regulates the relative rotational positioning is shown in 1 With 44 designated.

On Torque motor or permanent magnet synchronous motor works after the principle of a synchronous motor and has a stator with windings and a rotor with permanently excited magnets. Concerning the permanently excited magnets are advantageously used for rare earth magnets Commitment. Draw torque motors or permanent magnet synchronous motors through very high precision and high dynamic, great Torques at low speeds and a low moment of inertia out. They are particularly good for the direct drive of rotary drives Suitable components, are characterized by a compact, robust design are accordingly also for problematic or spatially limited Suitable for installation situations, comparatively maintenance-free, wear-free, low-noise and essentially free of play. In contrast to asynchronous motors not an inherent one Slip on. Torque motors or permanent magnet synchronous motors are available with integrated air or water cooling. In particular through a water cooling is a very effective heat dissipation possible, making such motors especially for high ambient temperatures are suitable. In addition, water-cooled engines have the same power are a smaller size so more compact.

• – Geringes Trägheitsmoment;
• – vergleichsweise konstantes Moment über den gesamten Drehzahlbereich;
• – hohe Dynamik;
• – hohe Wiederholgenauigkeit;
• – eine Geräuschkapselung ist auf Grund der Kompaktheit und integrierter Kühlung einfach möglich,
• – die integrierte Kühlung ermöglicht den Verzicht auf eine gesonderte, zu störenden Geräuschemissionen führenden Lüftereinheit;
• – Torquemotoren bzw. Permanentmagnet-Synchronmotoren sind in den verschiedensten Auslegungen problemlos verfügbar;
• – definierte Drehwinkel lassen sich mit hoher Genauigkeit anfahren;
• – keine inhärenten Elastizitäten;
• – vergleichsweise große Überlastfähigkeit.

Further advantages and properties of torque motors or permanent magnet synchronous motors, some of which have already been mentioned, are as follows:

• - low moment of inertia;
• - comparatively constant torque over the entire speed range;
• - high dynamics;
• - high repeatability;
• - A noise encapsulation is easily possible due to the compactness and integrated cooling,
• - The integrated cooling makes it possible to dispense with a separate fan unit that leads to disturbing noise emissions;
• - Torque motors or permanent magnet synchronous motors are available in various designs without any problems;
• - Defined rotation angles can be approached with high accuracy;
• - no inherent elasticities;
• - comparatively large overload capacity.

The cooling of the synchronous motor according to the invention, preferably torque motor or permanent magnet synchronous motor, as already mentioned, preferably based on cooling water. A closed cooling water circuit is specifically proposed for this purpose to provide the very useful for Cooling water supply can serve several synchronous motors. In the case of a Cooling water circuit with with cooling water synchronous motors to be supplied can be synchronous motors act a winding machine, for example, the synchronous motor according to the invention a primary winder and a synchronous motor according to the invention a secondary winder a winding machine. If there are several winding machines, see above can their synchronous motors according to the invention across machines expediently by a common cooling water circuit (generally cooling fluid circuit) with cooling water be supplied. A closed cooling water circuit (general Coolant circuit) is also for in other contexts inventively used Synchronous motors make sense, for example for synchronous motors, the most varied Rollers and cylinders in machines for manufacturing or / and finishing drive from a web of material, especially paper or cardboard. It is also especially according to the invention for the direct drive of drying cylinders synchronous motors used. It applies to these synchronous motors also that a common cooling fluid circuit, in particular Cooling water circuit, for many Synchronous motors is provided, whereby it is quite possible in different contexts used synchronous motors, for example synchronous motors one Winding machine on the one hand and synchronous motors in a dryer section on the other hand by means of a common circuit with cooling medium to supply.

2 schematically shows one of several synchronous motors according to the invention 11a . 11b . 11c and 11d , in particular several permanent magnet synchronous motors or torque motors 11a . 11b . 11c and 11d , assigned, closed cooling water circuit 50 , The circuit has several branches of cooling water 52a . 52b . 52c and 52d on, parallel to each other via a common inlet 54 from one from a storage container 56 Cooling water suction pump 58 be supplied with cooling water and in a common process 60 flow out via a heat exchanger arrangement 62 in the storage container 56 leads. The cooling water branches are each designed with shut-off valves, which in the case of the cooling water branch 52a With 64 . 66 and 68 are designated. Furthermore, the cooling water branches are each equipped with a dirt filter (dirt filter 70 in the case of the cooling water branch 52a ) and a flow switch (flow switch 72 in the case of the cooling water branch 52a ) and with an aperture that can be adjusted manually or preferably by means of a remotely controllable actuator (aperture 74 in the case of the cooling water branch 52a ) and a temperature sensor (temperature sensor 76 in the case of the cooling water branch 52a ) and a temperature sensor (temperature sensor 78 in the case of the cooling water branch 52a ).

In addition to the dirt filters provided in the individual cooling water branches, the common inlet can also be used 54 , preferably on the inlet side in the pump 58 , a dirt filter arrangement can be arranged.

The cooling water circuit 50 is preferably made of corrosion-free components, especially stainless steel components (especially stainless steel pipes), so that there is no need for anti-corrosion agents in the coolant.

As for the electric motor 11a As indicated, condensate is preferably removed from the engine or from the area of the engine into the cooling water flowing out of the engine and thus into the reservoir 56 , A corresponding condensate drain line is included 80 designated and can be carried out with suitable valves and the like.

The dashed representation of the cooling water branch 52d is to express that this cooling water branch can represent several further cooling water branches. As far right in 2 indicated, the cooling water circuit can also have a bypass branch parallel to the cooling water branches 82 have, with a pressure relief valve symbolized by a check valve 84 is executed. This valve only opens when a specified maximum pressure is exceeded to avoid damage due to overpressure.

3 shows an example of an inventive with synchronous motors, namely permanent mag net synchronous motors or torque motors, for direct drive of the winding machine 100 who have a primary winder 102 and a secondary winder 104 having. The two winders each have a drive unit having the synchronous motor according to the invention 10a respectively. 10b , for example according to the drive unit 10 the 1 on, being in 3 not all details of this drive unit are recognizable. In any case, the rectangular motor lanterns can be seen 12a and 12b , According to 3 is the motor lantern 12b on a sleigh 105b arranged, after the transfer of the winding roll 106 from the primary winder 102 to the secondary winder 104 along one on a chair 14b arranged linear guide path corresponding to a linear displacement of the means of the secondary winder 104 rotary winding reel 106 is movable.

The motor lantern 12a of the primary winder is on a chair 14a pivoted pivot lever 114 held and can thus be pivoted along an arcuate guideway, corresponding to a pivoting of the winding roller still associated with the primary winder 106 , Their drum 108 is in a swivel lever arrangement 116 held. There is a pivoting into an angular position or a vertical position corresponding to the vertical position of the secondary winder, in which the rotary drive is transferred to the secondary winder 104 he follows.

The one as the winding core of the winding roll 106 serving drum 108 is by means of a coupling hub arranged displaceably on an output shaft of the respective synchronous motor 18a respectively. 18b directly through the synchronous motor of the primary winder 102 or by the synchronous motor of the secondary winder 104 (Depending on the operating situation) can be driven in rotation, as in the embodiment of 1 explained. A “reel engaging device” can therefore be provided, comprising a motor output hub corresponding to the motor output hub 16 , a sliding or coupling hub corresponding to the sliding hub 18 (with one of the external teeth 20 corresponding external toothing) and an engagement lever corresponding to the engagement lever 28 , The sliding hub, also known as a sliding sleeve 18 thus engages radially on the inside in a sleeve-like coupling end 24 of the drum in question, in terms of terminology into the "drum bell".

The winding machine according to 3 has, as is known per se, a pressure drum or pressure roller, also referred to as a support drum 110 on that with the winding roll 106 forms a winding gap. This pressure drum (carrier drum) or pressure roller can also be driven according to the invention by means of a synchronous motor, which is preferably designed as a permanent magnet torque motor, which is part of the drive unit 10 the 1 essentially corresponding drive unit 10c is. There can be a permanent coupling with a rotating shaft 112 the pressure drum (carrier drum) or pressure roller can be provided, for example by means of a coupling sleeve which produces a permanent rotational coupling 18c , or a coupling and uncoupling coupling, for example by means of a sliding sleeve similar to the embodiment of the 1 ,

The drive unit 10c points, as in the embodiment of 1 , a cuboid motor lantern 12c on that on a sleigh 105c is arranged along one on a chair 15c Arranged, comparatively short linear guideway can be moved in a controlled manner in order to maintain a desired contact pressure in the winding gap.

4 shows a schematic side view of the winder 100 , 4 is from the published application DE 198 22 261 A1 taken and corresponds to the 1 , The reference numerals of the DE 198 22 261 A1 maintained. One understands 4 as a schematic side view of the winder 100 according to 3 is the element 32 as a drive unit 10a , the element 50 as a drive unit 10b , the drum or roller 18 as a pressure drum (carrier drum) or pressure roller 110 , the element 14 ' as the drum assigned to the primary winder 108 and the element 14 than the drum already handed over to the secondary winder (in 3 not shown). 30 denotes the arcuate guideway assigned to the primary winder, along which the drive unit 10a is pivoted. 48 denotes a guideway assigned to the secondary winder, along which the drive unit 10b is linear, according to the example of 4 for example by means of a threaded spindle 56 using a transport device 36 interacts. According to the invention, the drive units are designed with direct center drives based on synchronous motors without the interposition of bevel gears, gear shafts and the like, as shown in FIG 1 and 3 explained. This represents the most important improvement according to the invention over the solution according to DE 198 22 261 A1 represents.

Reference is once again made to the above-mentioned aspect of the absolute or relative detection of angles of rotation of the electric motor (s) according to the invention. In the case of a winding machine with a primary winder and a secondary winder, a substantial advantage is achieved if the primary winder and the secondary winder can be controlled or regulated by means of the respective synchronous motor in such a way that they or the driving information (e.g. spline toothing) of their coupling sections (e.g. the Sliding sleeves) assume defined rotational positions relative to one another during their rotation, namely such relative rotational positions that when the primary winder is in rotary drive engagement with a respective drum, the transfer of the rotary drive to the secondary winder, specifically the production of the rotary drive engagement between the drum and the coupling section of the Secondary winder, can be produced without delay. By ensuring the defined relative rotational positions mentioned, it can be achieved that the relevant entrainment formations of the spool on the one hand and the entrainment formations of the secondary winder on the other hand assume or maintain a relative angular position so that they can be brought into mutual positive engagement without problems. This can also be achieved without a rotary encoder or the like which detects a respective angle of rotation, in that a defined angular orientation of the driving formations of the respective winder is selected relative to the magnetic poles, in particular permanent magnets, of the rotor of the respective synchronous motor. By generating a defined electromagnetic rotating field by means of the windings of the stator, one can then ensure a synchronous and the relative angular orientation of the driving information of the primary winder on the one hand and the secondary winder on the other hand. In other words, it is possible to transmit the angular orientation of the driving formations of the new drum via the synchronous motor of the primary drive and the synchronous motor of the secondary drive, so as to position z. B. to match the internal toothing to the external toothing of the coupling parts. This prevents bumping on the end face and creates the best conditions to ensure good, constant winding quality (e.g. winding hardness) even when changing from primary to secondary drive.

Significant advantages of using 1 explained embodiment also result from the provision of the braking device 32 . 34 , which enables a quick, targeted braking of the coupled drum including the motor output shaft.

• – Torquemotor eingebaut in quaderförmige Motorlaterne;
• – Motorabtriebswelle mit Motorabtriebsnabe sowie vorzugsweise einer verstärkten Lagerung;
• – Schiebe- oder Koppelnabe mit motorseitigen Mitnahmeformationen, etwa Keilwellenverzahnung, in Zuordnung zur Motorabtriebswelle bzw. zur Motorabtriebsnabe und tambourseitige Mitnahmeformationen (insbesondere Ausbildung einer Zahnkupplung des jeweiligen Tambours);
• – Ein- und Ausrückvorrichtung, vorzugsweise mit Gabelgelenk und Ausrücklager;
• – der Motorabtriebsnabe oder Motorabtriebswelle zugeordnete Bremsvorrichtung, etwa gebildet von wenigstens einer Bremsscheibe und einer am quaderförmigen Gehäuse gehaltenen Bremszange;
• – hohe Positioniergenauigkeit betreffend den Zahneingriff, etwa vermittels einer Lageregelung der Kupplung auf Grundlage eines Drehgebers;
• – spielfreier Antrieb durch Wegfall von herkömmlich vorgesehenen mechanischen Antriebselementen;
• – Antrieb mit sehr hoher Präzision bei hoher Dynamik;
• – Drehzahlerfassung für die Motordrehzahl;
• – Motorgehäuse mit integrierter Nachschmiereinrichtung;
• – Schmierstellenverteiler zum Nachschmieren der Ein- und Ausrückung sowie der Keilwellenprofile;
• – Ein- und Ausrückung über Pneumatikzylinder und Hebelanordnung (vgl. Einrückhebel);
• – Hochtemperaturfettschmierung;
• – geschlossener Kühlwasserkreislauf für mehrere Wicklermotoren bzw. Wickelmaschinen;
• – Kühlwasserspeicher mit Förderpumpe und Zuteilgeräten;
• – Kühlwasserkreislauf mit Schmutzfilter zum Rückhalten von Partikeln, Strömungswächtern, Temperaturwächtern, Blende und Absperrhahn;
• – Edelstahlkreislauf zur Vermeidung von Korrosionsschutzmitteln;
• – Kondensatrückführung vom Motor zum Kühlwasserspeicher.

The following features of the described embodiments are considered to be particularly advantageous:

• - Torque motor built into cuboid motor lantern;
• - Motor output shaft with motor output hub and preferably a reinforced bearing;
• - Sliding or coupling hub with drive-side drive information, such as spline teeth, in association with the engine output shaft or engine output hub and drive-side drive information (in particular formation of a tooth coupling of the respective reel);
• - engagement and disengagement device, preferably with fork joint and release bearing;
• - The braking device associated with the motor output hub or motor output shaft, for example formed by at least one brake disc and a brake caliper held on the cuboid housing;
• - High positioning accuracy regarding the meshing, for example by means of a position control of the clutch based on a rotary encoder;
• - backlash-free drive due to the elimination of conventionally provided mechanical drive elements;
• - Very high precision drive with high dynamics;
• - Speed detection for the engine speed;
• - Motor housing with integrated relubrication device;
• - Lubrication point distributor for relubrication of the engagement and disengagement as well as the spline profiles;
• - engagement and disengagement via pneumatic cylinder and lever arrangement (see engaging lever);
• - high temperature grease lubrication;
• - Closed cooling water circuit for several winder motors or winding machines;
• - Cooling water tank with feed pump and metering devices;
• - Cooling water circuit with dirt filter to retain particles, flow monitors, temperature monitors, orifice and shut-off valve;
• - Stainless steel circuit to avoid anti-corrosion agents;
• - Condensate return from the engine to the cooling water tank.

The enumerated above Characteristics can individually or in combination in connection with winding machines according to the invention can be provided and can also be used in other areas of application the invention proposals, for example with a drying cylinder direct drive in a dryer section, apply. In this latter application, high-temperature grease lubrication is used of particular importance because the fat flow is avoided can. For this purpose, for example, a fat should be used, the dropping point of which above 230 ° C or even above 250 ° C lies.

The following exemplary information can also be given for the design of the cooling water circuit. Depending on the output of the synchronous motor to be cooled, a cooling water flow of 5 to 50 liters / minute, preferably 5 to 30 liters / minute, is possible, for example at an inlet temperature of 5 to 50 ° C., preferably 5 to 35 ° C. A lower inlet temperature is generally less useful to avoid condensation. For example, the cooling could be sought choose water inflow in such a way that a temperature of around 50 ° C is maintained in the cooling water return.

• – Kompakter Wickler-Direktantrieb mit spielfreier Kraftübertragung;
• – es sind keine mechanischem Antriebsteile und Vorlegewellen erforderlich;
• – durch den erfindungsgemäß eingesetzten Synchronmotor, insbesondere Permanentmagnet-Torquemotor, kann eine konstante Zugleistung bei großem Wickelbereich und kleinen Abmessungen erreicht werden;
• – durch kleine bewegte Massen ist die Maschinenkonstruktion vergleichsweise kostengünstig;
• – durch die kompakte Bauweise kann der erfindungsgemäße Motor vergleichsweise leicht längs einer Führungsbahn bewegt werden, etwa zwischen einer Primär-Wickelposition und einer Sekundär-Wickelposition bzw. entlang einer dem Sekundärwickler zugeordneten Führungsbahn (insbesondere kann der Motor auf einem Schwenkhebel oder Fahrschlitten angeordnet werden);
• – die erfindungsgemäße Motorart bietet die Möglichkeit, den Drehwinkel der "Kupplungshälften" im entkuppelten Zustand aufeinander abzustimmen, um ein sicheres Einkuppeln zu gewährleisten (es wird vermieden, dass Mitnahmeformation auf Mitnahmeformation bzw. Zahn auf Zahn trifft).

In summary, the embodiments of a winding machine shown have the following advantages:

• - Compact winder direct drive with play-free power transmission;
• - no mechanical drive parts and countershafts are required;
• - By the synchronous motor used according to the invention, in particular a permanent magnet torque motor, constant traction can be achieved with a large winding area and small dimensions;
• - Due to small moving masses, the machine construction is comparatively inexpensive;
• - Due to the compact design, the motor according to the invention can be moved comparatively easily along a guideway, for example between a primary winding position and a secondary winding position or along a guideway assigned to the secondary winder (in particular, the motor can be arranged on a swivel lever or carriage);
• - The type of motor according to the invention offers the possibility of coordinating the angle of rotation of the "coupling halves" with one another in the uncoupled state, in order to ensure a safe coupling (it is avoided that driving information meets driving information or tooth on tooth).

On Due to the compactness of the motors, it can be installed both on the tender side as well as on the drive side of the machine.

5 shows an example of an application of a motor according to the invention for the direct drive of a drying cylinder 10 , The one on a shaft journal 13 attached drive motor 17 is designed as a permanent magnet synchronous motor or torque motor with integrated liquid cooling. To do this are through openings 35 . 36 an inlet line Z and a return line R led to the connections of the windings carried out with cooling channels 29 having stator 27 are connected. The one on the shaft journal 13 fixed rotor 24 is with permanent magnets 23 executed, which are preferably made on a rare earth basis in order to be able to generate high torques. A heat insulating layer 26 between the rotor 24 and the shaft journal 13 prevents the electric motor from overheating with the liquid cooling mentioned. This is particularly important because of the hollow shaft journal 13 hot process steam (with temperatures up to 160 ° C) inside the drying cylinder 10 is to be fed. For further details of the embodiment of the 5 will depend on the content of the US 4,820,947 respectively. DE G 87 03 410 U1 directed.

On corresponding direct drive according to the invention by means of a slip-on motor also comes with other rotating components a paper making or coating machine, for example for guide rollers, Stabilizer rollers etc.

It it should be noted that there are many advantages over the The state of the art can also be achieved using an asynchronous motor. It is here, for example, to the design of the electric motor Slip-on motor thought that independently of the functioning of the engine is extremely advantageous.

noted also be that conventional electric motors for driving components of a paper machine or coating machine are arranged on the so-called drive side. In contrast, will proposed according to the third aspect of the invention, at least an electric motor used to drive an associated rotary component the leader's side to arrange. This proposal for the invention is particularly useful in connection with a conversion of a paper machine or coating machine, for example in order to adapt them to technical developments, possibly for higher performance interpreted.

In 6a is the drying section schematically 200 shown a paper machine that has several drying cylinders. In 6a is a representative for all drying cylinders only one drying cylinder 202 shown. The drying cylinder 202 is by means of an electric motor 204 driven by a gear connection 206 with the drying cylinder 202 is in rotary drive connection. The electric motor 204 is arranged on the drive side TS of the machine. The machine is at a short distance from a wall W on the drive side.

worn Turning components, for example drying cylinders or guide rollers the paper machine, can to the management side FS to be replaced. The machine points to this side a sufficient distance to the next machine or one Wall on.

The drying cylinder is connected to a steam supply line 208 and a steam head 210 supplied with process steam. The steam pipe 208 and the steam head 210 are arranged on the drive side. Condensate is also removed to the drive side. The machine is supported by side members 212 and 214 symbolizes.

In the course of a conversion, the electric motor 204 and the gearbox connection 206 away. Instead, a slip-on motor, which is preferably designed as a synchronous motor, in particular a torque motor, is provided on the guide side FS 220 built-in, which is directly on a shaft journal 203 of the drying cylinder 202 acts in the sense of a direct drive. Steam continues to be supplied via the steam line 208 and the steam head 210 ,

7 shows a dryer group of a dryer section with several drying cylinders 202a which are driven and several non-driven drying cylinders 202b and assigned guide or guide rollers 216a which are driven and guide or guide rollers 216b that are not powered. The drive motors 220 the driven drying cylinder 202a are on the driver side, whereas the guide or guide rollers 216a driving drive motors 222 are on the drive side. The drive motors 220 just like the drive motors 222 are designed as direct drive slip-on motors and plugged onto a respective shaft of the relevant drying cylinder or the relevant guide or guide roller. The drive motors 220 and 222 are preferably designed as synchronous motors, in particular torque motors.

benefits the machine according to the invention or of the machine section according to the invention, in Example of the dryer section according to the invention among others, the following: The use of a slip-on direct drive motor allows the elimination of mechanical drive elements such as gears, Couplings and cardan shafts. Depending on requirements in terms of performance and design, several slip-on motors can be used can be used per dryer group, which is advantageous on the guide side can be arranged. Dependence on the required torque and other requirements may be required Synchronous motors, especially torque motors, or asynchronous motors be used.

at the choice of whether to use a synchronous motor or an asynchronous motor The following aspects are of interest. Synchronous motors, especially torque motors are special for a direct drive suitable and can high torques provide at low speeds. Permanent magnets are advantageous, especially rare earth magnets, used for field generation. The Motors usually have a compact, robust design, are largely maintenance-free and wear-free and comparatively quiet. A backlash-free drive is possible. A heat dissipation can advantageously be done by water cooling, so that the Motors also for high ambient temperatures are suitable. The motors can do it themselves a low moment of inertia have and about a big Provide an almost constant torque in the speed range. by virtue of Due to its high dynamics, such an engine can quickly be or control processes react. In principle, high repeatability is possible. Without huge Effort can be encapsulated are provided, in particular by means of water cooling a fan unit is dispensed with can be, so that a reduced noise emission is achievable. These are motors with high demands sufficient, reinforced Storage available. The direct drive enables a drive to be achieved without significant elasticity become. Such motors generally have high availability on and are also highly overloadable. It can with target rotational positions highest Accuracy can be approached.

Also Asynchronous motors have advantageous features. So are asynchronous motors available that are also designed as slip-on or hollow shaft motors. Asynchronous motors can have a compact design and be designed with integrated water cooling.

• – Es ist wenigstens ein Aufsteckmotor mit einer großen Hohwelle, vorzugsweise mit einer integrierten Wasserkühlung, vorgesehen.
• – Auf der Führerseite oder/und auf der Triebseite ist wenigstens ein derartiger Motor vorgesehen.
• – Im Falle eines einen Trockenzylinder antreibenden Aufsteckmotors kann der Betriebsdampf dem Inneren des Trockenzylinders vorteilhaft durch die Motorhohlwelle zugeführt werden.
• – Für mehrere Aufsteckmotoren kann ein gemeinsamer geschlossener Kühlwasserkreislauf vorgesehen sein, der beispielsweise einen Kühlwasserspeicher mit Förderpumpe und Zuteilgeräten, und Schmutzfilter für Partikel, Strömungswächter, Temperaturwächer, wenigstens eine Blende und wenigstens einen Absperrhahn aufweisen kann. Vorteilhaft kann eine Ausstattung des Kühlwasserkreislaufs mit einer Heizanordnung sein, um eine Vorwärmung des Wassers vor dem Start zu ermöglichen. Vorteilhaft ist eine Ausführung des Kreislaufs in Edelstahl, so dass Korrosionsschutzmittel verzichtbar sind. Es kann eine Kondensatrückführung zum Kühlwasserspeicher oder in den Kreislauf vorgesehen sein. Ein jeweiliger Motor kann über wenigstens ein Spannelement an der Maschinenstuhlung befestigt sein, wobei vorteilhaft eine Drehmomentabstützung an der Maschinenstuhlung erfolgt.

Appropriate features of a machine according to the invention or a machine section according to the invention are the following:

• - At least one slip-on motor with a large hollow shaft, preferably with an integrated water cooling, is provided.
• - At least one such motor is provided on the driver's side and / or on the drive side.
• In the case of a slip-on motor driving a drying cylinder, the operating steam can advantageously be supplied to the interior of the drying cylinder through the hollow motor shaft.
• - For several slip-on motors, a common closed cooling water circuit can be provided, which can have, for example, a cooling water reservoir with a feed pump and metering devices, and dirt filters for particles, flow monitors, temperature monitors, at least one orifice plate and at least one shut-off valve. It may be advantageous to equip the cooling water circuit with a heating arrangement in order to enable the water to be preheated before starting. It is advantageous to design the circuit in stainless steel, so that anti-corrosion agents are not necessary. A condensate return to the cooling water storage or to the circuit can be provided. A respective motor can be fastened to the machine frame via at least one tensioning element, with torque support advantageously being provided on the machine frame.

• – kompakter Direktantrieb mit spielfreier Kraftübertragung,
• – keine mechanischen Antriebsteile zwischen Motor und angetriebener Drehkomponente,
• – gleiche Maschinenstuhlung auf der Führerseite und der Triebseite,
• – Einbau wenigstens eines oder mehrerer Aufsteckmotoren auf der Führerseite oder/und der Triebseite,
• – Möglichkeit der Dampfdurchführung oder/und Kondensatorabführung durch den Motor.

The following features are considered to be particularly advantageous on their own and especially in combination:

• - compact direct drive with play-free power transmission,
• - no mechanical drive parts between the motor and the driven rotary component,
• - same machine frame on the driver side and the drive side,
• - Installation of at least one or more slip-on motors on the driver's side and / or the drive side,
• - Possibility of steam passage and / or condenser drainage by the engine.

The The invention provides, inter alia, a machine or a machine section ready at being on the driver's side at least one drive for at least a roller or at least one other rotating component is located. For example, it is attached to a former or headbox, a press and thought of a dryer section. It is particularly useful in this context execution of the drive in question as a plug-on electric motor, which as a direct drive motor, d. H. without cardan shaft or gear and the like, directly on the roller or rotating component in question acts. Specifically the execution of the relevant drive motor as a slip-on motor allows especially Cheap the arrangement of the engine on the driver's side without losing accessibility the operator side (operator side) the machine or the machine section is restricted. This is particularly important in connection with a dryer section.

The solution according to the invention especially in connection with the conversion of an existing machine or an existing machine section. For example the steam heads for the steam supply are located in the drying cylinders of a dryer section often in the drying cylinders on the drive side. The proposed one Drive the drying cylinder or other associated rotating components on the tender side allows especially when using a respective slip-on motor, that an expensive conversion of the steam supply from the drive side to the driver side can be omitted. It can the existing steam heads and the existing steam supply infrastructure can be used.

• – In mindestens einer Trockengruppe der Trockenpartie wird mindestens ein Trockenzylinder oder/und eine Leitwalze auf der Führerseite durch einen Aufsteckmotor angetrieben.
• – In jeder Trockengruppe wird mindestens ein Trockenzylinder oder/und wenigstens eine Leitwalze auf der Führerseite durch einen jeweiligen Aufsteckmotor angetrieben.
• – Es werden ausschließlich Leitwalzen auf der Führerseite durch Aufsteckmotoren angetrieben.
• – Es werden ausschließlich Trockenzylinder auf der Führerseite durch Aufsteckmotoren angetrieben.
• – Die Leitwalzen können als Saugwalzen ausgeführt sein und besaugt werden durch den Lagerzapfen, ggf. durch den Aufsteckmotor hindurch, oder durch einen Teil der Umfangsfläche. Letzteres kann beispielsweise über einen so genannten "Duostabilisator" (Voith) erfolgen und wird in der Regel kostengünstiger als eine vergleichsweise teuere Zapfendurchführung sein.
• – Bevorzugt ist der (jeweilige) auf der Führerseite angeordnete Elektromotor als so genannter Torquemotor ausgeführt. Durch die hohe Dynamik eines Torquemotors kann ein sehr gutes Steuerverhalten bzw. Regelverhalten erreicht werden, was insbesondere bei hohen Geschwindigkeiten (z. B. v > 1600- 1800 m/min) und Geschwindigkeitsänderungen (z. B. bei Sortenwechsel) vorteilhaft ist.
• – Innerhalb einer Trockengruppe bzw. zwischen Trockengruppen ist eine Abstimmung der Drehzahlen, Leistungen usw. der Antriebe auf elektronischem Wege, speziell eine elektronische Regelung, bevorzugt. Hierdurch wird eine gute Runability und ein guter Wirkungsgrad der Produktion, insbesondere durch Vermeidung von Bahnabrissen, erreicht. Insbesondere kann hierdurch ohne erhöhte Gefahr von Bahnabrissen die Materialbahn in einer leichten Soll-Spannung gehalten werden, indem die Laufgeschwindigkeit bezogen auf die Umfangs-Drehgeschwindigkeit entlang der Maschine bzw. des Maschinenabschnitts leicht zunimmt.

The following design variants can be considered:

• - In at least one dryer group of the dryer section, at least one drying cylinder and / or a guide roller on the driver's side is driven by a slip-on motor.
• - In each dryer group, at least one drying cylinder and / or at least one guide roller on the driver's side is driven by a respective slip-on motor.
• - Only guide rollers on the driver's side are driven by slip-on motors.
• - Only drying cylinders on the driver's side are driven by slip-on motors.
• - The guide rolls can be designed as suction rolls and can be sucked through the bearing journal, possibly through the slip-on motor, or through part of the circumferential surface. The latter can take place, for example, via a so-called "duo stabilizer" (Voith) and will generally be less expensive than a comparatively expensive pin bushing.
• - The (respective) electric motor arranged on the driver's side is preferably designed as a so-called torque motor. Due to the high dynamics of a torque motor, very good control behavior can be achieved, which is particularly advantageous at high speeds (e.g. v> 1600-1800 m / min) and speed changes (e.g. when changing types).
• - Within a dryer group or between dryer groups, it is preferred to coordinate the speeds, powers, etc. of the drives electronically, especially electronic control. This ensures good runability and production efficiency, in particular by avoiding web breaks. In particular, the material web can thereby be kept in a slight target tension without an increased risk of web breaks, in that the running speed increases slightly in relation to the circumferential rotational speed along the machine or the machine section.

It it should be pointed out that the arrangement of at least one Electric motor on the driver's side not only in connection with the conversion of an existing machine or an existing machine section is of interest, but that it also comes into consideration, newly installed machines from the outset with at least one on the driver's side arranged electric motor, possibly synchronous motor and / or slip-on motor, perform. This results in additional Degrees of freedom for the designer, which means, for example, special installation space requirements expedient invoice can be worn.

For a machine or a machine section for the production or / and finishing or / and other treatment or / and handling of a running material web, in particular made of paper or cardboard, comprising at least one rotary component which can be driven by at least one electric motor, one with the rotary component in the Abge meaning of a rotary drive coupled or couplable rotor and a directly or indirectly on a frame of the machine or the machine section or a motor bracket movably arranged relative to the frame against rotation supporting stator, it is proposed according to one aspect of the invention, inter alia, that the electric motor is designed or operable as a synchronous motor, and that the electric motor is arranged or can be arranged coaxially with the rotary component in association with an axial end region thereof, the rotor or a rotary drive connection of the same for the essentially play-free common rotation, is rotatably coupled directly to the rotary component or to a rotary drive connection thereof. The rotating component can be, for example, a drying cylinder in a dryer section or the winding core of a winding roll in a machine or a machine section for winding the material web onto the winding core to form the winding roll or / and for unwinding the material web from the winding roll.

Claims (48)

Machine or machine section for preferably continuously winding a material web, in particular made of paper or cardboard, onto a particular one of a reel ( 108 ) formed winding core to a winding roll ( 106 ) or / and for preferably continuously unwinding the material web from such a winding roll, the respective winding core being provided by at least one electric motor (at least currently operationally assigned) ( 12 ; 12a ; 12b ) can be driven which has a rotor coupled or couplable to the winding core in the sense of a rotary drive and one directly or indirectly on a frame ( 14 ; 14a ; 14b ) of the machine or the machine section or a stator that is movably arranged relative to the frame to prevent rotation, characterized in that the electric motor as a synchronous motor ( 12 ; 12a ; 12b ) is executed or operable, and that when operationally assigned to a respective winding core ( 108 ) the electric motor is arranged coaxially to this winding core in association with an axial end region thereof, the rotor or a rotary drive connection ( 18 ; 18a ; 18b ) of the same for essentially rotation-free joint rotation in a rotationally fixed manner directly with the winding core or a rotary drive connection ( 24 ; 24a ) the same is coupled or can be coupled. Machine or machine section for the production or / and finishing or / and other treatment or / and handling of a running material web, in particular made of paper or cardboard, comprising at least one rotating component ( 110 ; 10 [ 5 ]) by at least one electric motor ( 12c ; 17 [ 5 ]) which has a rotor which is coupled or can be coupled to the rotary component in the sense of a rotary drive and a rotor which is supported directly or indirectly on a frame of the machine or the machine section or on a motor mount which is arranged so as to be movable relative to the frame to prevent rotation, characterized in that the electric motor as a synchronous motor ( 12c ; 17 [ 5 ]) is executed or operable, and that the electric motor is arranged coaxially to the rotary component in association with an axial end region thereof, the rotor ( 24 [ 5 ]) or a rotary actuator connection ( 18c ) of the same for the essentially play-free common rotation is rotatably coupled directly to the rotary component or a rotary drive connection thereof or can be coupled. Machine or machine section for the production or / and finishing or / and other treatment or / and handling of a running material web, in particular made of paper or cardboard, comprising at least one rotating component extending transversely to the running direction of the material web ( 202 ; 202a ) by at least one electric motor ( 220 ) can be driven, which has a rotor which is coupled or can be coupled to the rotary component in the sense of a rotary drive and a rotor which is supported directly or indirectly on a frame of the machine or the machine section or on a motor holder which is movably arranged relative to the frame against rotation, the machine or the Machine section has a driver side and a drive side, the driver side being characterized by at least one of the following features: the driver side has edge suction zones for guiding a leading threading or transfer strip of the material web, at least one hood of a drying cylinder arrangement can be opened on the driver side, in particular, removal of web residues in the event of a web break, - components of the machine or machine section protrude to the side of the chair at most to a small extent, - rotating components such as guide w salts, suction rolls, drying cylinders and the like can be pulled out of the machine or the machine section to the driver's side, for example to replace the respective rotary component when it is worn, characterized in that at least one for driving the or one rotary component ( 202 ; 202a ) serving electric motor ( 220 ) is arranged on the driver's side (FS). Machine or machine section according to Claim 3, characterized in that the electric motor (preferably designed as a slip-on motor) 220 ) coaxial to the rotating component ( 202 ; 202a ) in association with an axial end region of the same ben is arranged, the rotor or a rotary drive connection of the same being rotatably or directly coupled to the rotary component or a rotary drive connection of the same for essentially play-free common rotation. Machine or machine section according to claim 3 or 4, characterized in that the electric motor ( 220 ) is designed or operated as an asynchronous motor or - preferably - as a synchronous motor. Machine or machine section according to one of claims 3 to 5, characterized in that the machine or machine section is created by converting a machine or a machine section in which the rotating component in question was previously arranged by one of the rotating components (TS) arranged on the drive side (TS). 202 ) assigned electric motor ( 204 ) was driven, and that in the course of the conversion the electric motor arranged on the driver's side was installed in association with the rotating component. Machine or machine section according to one of claims 1 to 6, characterized in that the rotor ( 24 ) with permanent magnets ( 23 ), preferably manufactured on the basis of at least one rare earth material. Machine or machine section according to one of claims 1 to 7, characterized in that the rotor ( 24 ) designed in a ring and radially inside the stator ( 29 ) is arranged. Machine or machine section according to claim 8, characterized in that the electric motor ( 17 ; 220 ) in the manner of a hollow shaft motor directly on a shaft journal serving as a rotary drive connection ( 13 ) of the winding core or the rotating component ( 10 ; 202 ; 202a ) is attached or can be attached, the electric motor attached to the shaft journal with its rotor being in a positive rotational connection with the shaft journal. Machine or machine section according to claim 9, characterized in that the shaft journal ( 13 ) is designed as a hollow shaft, for example for supplying an operating fluid, possibly process steam, or condensate, into an interior of the rotary component or for removing a fluid (possibly process steam or condensate) from the interior. Machine or machine section according to one of claims 1 to 10, characterized in that the electric motor ( 12 ; 12a ; 12b ; 12c ; 17 ; 220 ) of the synchronous motor type referred to as "torque motor". Machine or machine section according to one of claims 1 to 11, characterized in that the electric motor ( 12 ; 12a ; 12b ; 12c ; 17 ; 220 ) of the synchronous motor type referred to as "permanent magnet motor". Machine or machine section according to one of claims 1 to 12, characterized in that the electric motor ( 12 ; 17 ; 220 ) has an integrated fluid cooling, preferably liquid cooling, most preferably water cooling. Machine or machine section according to claim 13, characterized in that the stator ( 29 ) one integrated; Fluid cooling, preferably liquid cooling, most preferably water cooling. Machine or machine section according to Claim 13 or 14, characterized by a closed cooling fluid circuit assigned to the electric motor ( 50 ), in particular cooling water circuit, which preferably has a cooling fluid storage arrangement ( 56 ) or / and with a heat exchanger arrangement ( 62 ) or / and with a filter arrangement ( 70 ) or / and with a heating arrangement. Machine or machine section according to one of claims 13 to 11, characterized in that a plurality of electric motors ( 11a ; 11b ; 11c ; 11d ; 220 ), in particular several electric motors each assigned or assignable to a different rotary component or another winding core, a common cooling fluid supply, in particular cooling water supply ( 50 ), assigned. Machine or machine section according to claim 15 and 16, that the electric motors ( 11a ; 11b ; 11c ; 11d ; 220 ) via a common, closed cooling fluid circuit ( 50 ), in particular the cooling water circuit, can be supplied with cooling fluid, in particular cooling water. Machine or machine section according to claim 16 or 17, characterized in that the electric motors ( 11a ; 11b ; 11c ; 11d ) each in its own one of a plurality of cooling fluid branches connected in parallel ( 52a ; 52b ; 52c ; 52d ) that have a common inflow ( 54 ) and a common process ( 60 ) have been arranged. Machine or machine section according to claim 18, characterized in that at least one of the cooling fluid branches ( 52a ; 52b ; 52c ; 52d ) individually lockable and / or individually controllable or regulatable with regard to the cooling fluid flow and / and with respect to at least one variable of interest; for example fluid temperature and / or cooling fluid flow, can be monitored and / or that we at least one of the cooling fluid branches with its own filter arrangement ( 70 ) is executed. Machine or machine section according to one of claims 13 to 19, characterized in that in or in the region of the (respective) electric motor ( 11a ) condensate produced can be removed together with the cooling fluid supplied to the electric motor, in particular can be fed into the cooling fluid circuit or cooling fluid branch. Machine or machine section according to one of claims 1 to 20, characterized in that the electric motor ( 12a ; 12b ; 12c ;) can be moved with its motor bracket along a motor guideway. Machine or machine section according to claim 21 in relation to at least claim 1, characterized in that the winding core ( 108 ) or the winding roll ( 106 ) can be displaced along a winding guideway, and that the motor guideway and the winding guideway correspond to one another at least in regions for a common displacement of the winding core or the winding roller and the electric motor which is operationally assigned to the winding core. Machine or machine section according to claim 21 in relativity at least on claim 2, characterized in that the rotary component along a rotating component guideway is relocatable, and that the motor guideway and the rotary component guideway correspond to each other at least in certain areas for a common relocation the rotating component and the electric motor. Machine or machine section according to one of claims 21 to 23, characterized in that the motor guideway ( 48 [ 4 ]) is linear at least in some areas. Machine or machine section according to one of claims 21 to 24, characterized in that the motor guideway ( 30 [ 4 ]) is arched at least in some areas. Machine or machine section according to one of claims 1 to 25, characterized in that the or at least one electric motor ( 222 ) is arranged on the drive side (TS) of the machine or the machine section. Machine or machine section according to one of claims 1 to 26, characterized in that the or at least one electric motor ( 220 ) is arranged on the driver's side (FS) of the machine or machine section. Machine or machine section according to Claim 1 or according to one of Claims 7 to 27 in relation to at least Claim 1, characterized in that the winding core ( 108 ) a first electric motor in a first operating phase ( 12a ) is operationally assignable, so that its rotor or the rotary drive connection ( 18a ) it is coupled to the winding core or the rotary drive connection thereof essentially without play, so that the winding core has a second electric motor in a second operating phase ( 12b ) is operationally assignable, so that its rotor or the rotary drive connection ( 18b ) it is coupled to the winding core or the rotary drive connection thereof essentially free of play, and that in a transition phase the rotor or its rotary drive connection of the first electric motor can be disconnected from the winding core and the rotor or its rotary drive connection of the second electric motor can be coupled to the winding core, preferably such that both electric motors are coupled to the winding core at least in a partial phase of the transition phase. Machine or machine section according to claim 28, characterized in that the two electric motors ( 12a ; 12b ) are arranged on different sides of the machine or machine section. Machine or machine section according to claim 28 or 29, characterized in that the first electric motor ( 12a ) with its motor bracket along a first, preferably arc-shaped, motor guideway ( 30 ) is relocatable. Machine or machine section according to one of claims 28 to 30, characterized in that the second electric motor with its motor mount along a second, preferably linear, motor guideway ( 48 ) is relocatable. Machine or machine section according to one of claims 28 to 31, characterized in that the first ( 12a ) and the second ( 12b ) The electric motor can be controlled in relation to one another in such a way that the rotary drive connection ( 18a ) of the first electric motor and the rotary drive connection ( 18b ) of the second electric motor assume a predefined defined relative rotational position or one of a plurality of predefined defined relative rotational positions relative to one another. Machine or machine section according to one of claims 1 to 32, characterized in that the rotary drive connection ( 18 ; 18a ; 18b ) of the rotor, on the one hand, and the rotary drive connection ( 24 ; 24a ) of the respective winding core ( 108 ) or the rotary component on the other hand one and form-locking coupling that can be disengaged, in particular a spline-tooth coupling. Machine or machine section according to Claim 33, characterized in that one of the rotary drive connections forming the form-fitting coupling has a coupling sleeve (non-rotatably and axially displaceably arranged on a shaft section) 18 ; 18a ; 18b ) which includes driving information on an inner circumference and / or outer circumference ( 20 ) with counter-carry-along information ( 22 ) on a dome sleeve counter section ( 24 ) of the other rotary actuator connection can be brought with essentially backlash-free positive engagement. Machine or machine section according to claim 33 or 34, characterized in that a relative rotational position between driving formations ( 20 ) of a rotary actuator connection ( 18 ) and counter-driving information ( 22 ) of the other rotary actuator connection ( 24 ) before engagement of the form-fit coupling can be detected on the basis of at least one assigned rotary encoder and that the electric motor ( 12 ) for engaging by electrical control in the sense of a control or / and regulation defined in a rotational position corresponding to an engaging relative rotational position between driving information and counter-driving information is adjustable. Machine or machine section according to one of Claims 1 to 35, characterized by an electric motor ( 12 ) assigned braking device ( 32 . 34 ), preferably comprising at least one on an engine output shaft ( 16 ) arranged brake disc ( 32 ). Machine section in the form of a dryer section of a machine for producing and / or refining a running material web according to claim 2 or 3 or according to one of claims 4 to 36 in relation to at least claim 2 or 3, characterized in that the (respective) electric motor designed as a synchronous motor ( 17 [ 5 ]; 220 ) a rotating component in the form of a drying cylinder ( 10 [ 5 ]; 202 ; 202a ) drives. Machine section in the form of a dryer section of a machine for producing and / or finishing a running material web according to claim 3 or according to one of claims 4 to 36 in relation to at least claim 3, characterized in that the (respective) electric motor arranged on the driver's side ( 220 ), in particular a slip-on motor, a rotating component in the form of a drying cylinder ( 202 ; 202a ) or a guide roller. Machine section according to claim 38, characterized in that several drying groups each comprising several drying cylinders and associated guide rollers are provided, with each dryer group at least one drying cylinder and / or at least one Guide roller through one on the leader's side arranged electric motor, in particular plug-on motor, can be driven is. Machine section according to one of claims 37 to 39, characterized in that a plurality of electric motors (synchronous motors, in particular torque motors) which can be operated or operated ( 220 ) a speed control / regulation arrangement is assigned, by means of which several associated electric motors can be speed-controlled or - preferably - speed-controlled. Machine according to claims 39 and 40, characterized in that by means of the speed control arrangement, several synchronous motors belonging to a drying group ( 220 ) or / and a plurality of synchronous motors assigned to different drying groups can be coordinated with one another in a speed-controllable or - preferably - speed-controllable manner. Machine section in the form of a headbox or a wire section or a former of a machine for production or / and refinement of a running material web according to claim 3 or according to one of the claims 4 to 36 in recurrence at least on claim 3, characterized in that the on the tender side arranged (respective) electric motor, in particular plug-on motor, a rotating component in the form of a roller, possibly a screen guide roller, drives. Machine section in the form of a press section Machine for the production and / or finishing of a running material web according to claim 3 or according to one of claims 4 to 36 in relation at least on claim 3, characterized in that the on the tender side arranged (respective) electric motor, in particular plug-on motor, a rotating component in the form of a roller, optionally a press roller or felt turning roll drives. Method for converting a machine or a machine section for the production or / and finishing or / and other treatment or / and handling of a running material web, in particular made of paper or cardboard, comprising at least one rotating component extending transversely to the running direction of the material web ( 202 ) by at least one electric motor ( 204 ) can be driven, the one with the rotary component in the sense of a rotary drive coupled or connectable rotor and one directly or indirectly on a frame of the machine or the machine section or a stator that is movably arranged relative to the frame to prevent rotation, the machine or machine section has a driver's side (FS) and a drive side (TS), the driver's side being characterized by at least one of the following features: Edge suction zones for guiding a leading threading or transfer strip of the material web, - at least one hood of a drying cylinder arrangement can be opened on the driver's side, in particular removal of web residues in the event of a web break, - components of the machine or machine section on the driver's side are at most minimal Dimensions over the chair to the side, - Rotary components such as guide rollers, suction rollers, drying cylinders and the like can be pulled out of the machine or the machine section on the driver side, for example to replace the respective rotary component e if it is worn and the or at least one electric motor ( 204 ) is arranged on the drive side, whereby in the course of the conversion in association with the or at least one rotary component ( 202 ) an electric motor ( 220 ) is installed on the driver side, which drives the rotary component instead of or in addition to the or at least one electric motor arranged on the drive side ( 204 ) takes over. A method according to claim 44, characterized in that the electric motor arranged on the driver's side ( 220 ) alone takes over the drive of the rotary component and that the rotary drive connection ( 202 ) between the rotating component and the electric motor arranged on the drive side ( 204 ) is interrupted. A method according to claim 45, characterized in that the electric motor arranged on the drive side ( 204 ) is expanded. Method according to one of claims 44 to 46, characterized in that the rotary component ( 202 ) has a shaft journal on the driver's side, which is suitable as a rotary drive connection or is equipped in the course of the conversion for a suitability as a rotary drive connection or that the rotary component is equipped with a shaft journal suitable as a rotary drive connection in the course of the conversion, and that the electric motor designed as a slip-on motor in In the course of the conversion, a positive rotary connection is made on the shaft journal. Method according to one of claims 44 to 47, characterized in that that from converting a machine or machine section after at least one of the claims 2 to 43 results.