EP1454684A2 - Procédé pour le formage d' une pièce et machine de laminage - Google Patents

Procédé pour le formage d' une pièce et machine de laminage Download PDF

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Publication number
EP1454684A2
EP1454684A2 EP04001862A EP04001862A EP1454684A2 EP 1454684 A2 EP1454684 A2 EP 1454684A2 EP 04001862 A EP04001862 A EP 04001862A EP 04001862 A EP04001862 A EP 04001862A EP 1454684 A2 EP1454684 A2 EP 1454684A2
Authority
EP
European Patent Office
Prior art keywords
rollers
workpiece
process phase
speed
tools
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04001862A
Other languages
German (de)
English (en)
Other versions
EP1454684A3 (fr
EP1454684B1 (fr
Inventor
Günter Dipl.Ing. Hofmann
Stellios Dipl.Ing. Katsibardis
Siegfried Dipl.Ing. Hausdörfer
Henry Dipl.Ing. Zwilling
Günter Dipl.Ing. Vogler
Herbert Dipl.Ing. Rüger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Langenstein and Schemann GmbH
Original Assignee
Langenstein and Schemann GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10319258A external-priority patent/DE10319258B4/de
Application filed by Langenstein and Schemann GmbH filed Critical Langenstein and Schemann GmbH
Priority to EP11162489.6A priority Critical patent/EP2340898B1/fr
Publication of EP1454684A2 publication Critical patent/EP1454684A2/fr
Publication of EP1454684A3 publication Critical patent/EP1454684A3/fr
Application granted granted Critical
Publication of EP1454684B1 publication Critical patent/EP1454684B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/58—Roll-force control; Roll-gap control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B21B31/04—Rolling stand frames or housings; Roll mountings ; Roll chocks with tie rods in frameless stands, e.g. prestressed tie rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
    • B21B35/141—Rigid spindle couplings, e.g. coupling boxes placed on roll necks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/46—Roll speed or drive motor control

Definitions

  • the invention relates to a method for forming a workpiece and a rolling machine that is suitable for performing the method.
  • Intermediate form for forming workpieces from an initial shape into a desired one Intermediate form (semi-finished, preforming) or final form (finished product, Finished molds) are, among many other processes, also rolling processes known, which are counted among the pressure forming processes.
  • rolling the workpiece rolling stock
  • Tool profiles are used in the profile rolling process arranged on the circumference of the rollers, which corresponding to the generation Enable profiles in the workpiece.
  • rolling flat the cylindrical ones work or conical outer surfaces of the rollers directly on the workpiece.
  • the workpiece With regard to the relative movement of the tools or rollers on the one hand and on the other hand, the workpiece is divided into longitudinal rolls, Cross rolls and cross rolls.
  • the workpiece becomes vertical during longitudinal rolling to the axes of rotation of the rollers in a translatory movement and mostly without rotation through the space between the rollers (roller gap) emotional.
  • the workpiece does not move translationally during cross rolling regarding the rollers or their axes of rotation, but only rotates about its own axis, which is usually a major axis of inertia, in particular the axis of symmetry for a rotationally symmetrical workpiece, is.
  • cross rolling When combining both types of movement in longitudinal rolling and in Cross rolling is referred to as cross rolling.
  • the rollers are in the Usually at an angle to each other and to the workpiece, which is translational and rotational is moved.
  • Profile cross rolling machines in which two rolls are arranged on the outer circumference wedge-shaped profile tools around mutually parallel axes of rotation Rotating in the same direction is sometimes referred to as cross wedge rolling.
  • the tools have a wedge-shaped or triangular cross-section Geometry and can be radial along its circumference Increase dimension in one direction and / or at an angle to the axis of rotation of the Rolls run.
  • cross wedge rollers or profile cross rollers allow a variety of forming of workpieces with high precision or dimensional accuracy.
  • the wedge-shaped Tools can have circumferential grooves and other tapering in the rotating workpiece. Due to the axial offset in the circumferential direction or the oblique arrangement of the tool wedges relative to The axis of rotation can, for example, change structures axially to the axis of rotation and tapering in the workpiece.
  • the axis of rotation can be axial in combination with the oblique arrangement running slopes and continuous transitions between two tapers different diameters can be generated in the workpiece.
  • the Wedge shape of the tools allows the production of fine structures through the Wedge outer edges or outer surfaces.
  • Cross wedge rollers are particularly suitable for the production of elongated, rotationally symmetrical workpieces with constrictions or elevations such as cams or ribs.
  • the forming pressure force and the forming temperature depend on that Material from which the workpiece is made and the requirements the dimensional accuracy and surface quality after forming.
  • the forming is usually carried out carried out during rolling at elevated temperatures in order to form required formability or flowability of the material to reach. These temperatures, particularly those that occur during forging With a so-called cold forming in the range of room temperature, for semi-hot forming between 550 ° C and 750 ° C and at a so-called hot forming are above 900 ° C.
  • the forming or Forging temperature is usually also in a temperature range placed in the recovery and recrystallization processes in the material run and undesirable phase changes are avoided.
  • Cross wedge rolling machines (or: profile cross rolling machines) are known in which the workpieces at the beginning of the rolling process by means of a positioning device, which includes two positioning supports (so-called guidelines), in a starting position between the two rollers, which is usually the corresponds to the geometric center or the center of the nip. Now the positioning brackets of the positioning device are withdrawn, so that the workpiece rotates freely between the rollers and between the tools are kneaded into the desired shape. After this Rolling or kneading process and the corresponding completion of the workpiece the workpiece is cut out in the rotating rolling tool captured and ejected.
  • a positioning device which includes two positioning supports (so-called guidelines), in a starting position between the two rollers, which is usually the corresponds to the geometric center or the center of the nip.
  • a cross wedge rolling machine for the transverse rolling of rotary bodies or flat workpieces with two work rolls rotating in the same direction of rotation, on the roll surfaces of which wedge tools are interchangeably arranged.
  • the wedge tools each have wedge-shaped or triangular-shaped, increasing from the roller jacket to a height end position adapted to the workpiece to be manufactured, roughened by knurling or other means, and wedge-shaped smooth shaped surfaces with the same distance from the roller jacket with calibration effect.
  • the wedge tools are designed as deformation segments and only run over a partial circumference of the associated roller surface. The surfaces and tools of the two work rolls facing each other move in opposite or opposite directions on the workpiece.
  • EP 1 256 399 A1 discloses a cross-rolling machine with two modules operated in parallel, each with two rollers rotating in the same direction of rotation, which have half-shell-shaped tools with radially projecting tool wedges on their circumferential surface, the reshaping of a workpiece only rotating around half the circumference of a pair of rollers requires. All four rollers are driven by only one drive motor via an intermediate gear unit and drive shaft.
  • DE 195 26 071 A1 discloses a device for rolling profiles into a workpiece, in particular cross rolls, longitudinal rolls and cross rolls of threads, knurls, toothed roll profiles or the like, with two forming rolls which are rotated about mutually parallel axes of rotation in the same direction of rotation and each are driven by an associated drive with a drive motor, each drive being assigned a braking device.
  • DE 21 31 300 B discloses a cross rolling machine with two axially parallel, horizontally superimposed profile rollers for shaping and cutting rotationally symmetrical workpieces, in which the profile rollers touch the workpieces diametrically opposite circumferential points and the lower profile roller has a recess for removing the rolled and cut workpieces from the roll gap having.
  • the invention is based on the object, a new method for Forming workpieces and a new rolling machine with which this Procedure is feasible to specify.
  • shaping means any transformation of the form of a Understood the workpiece in a different form, as described at the beginning, including preforms and preforms.
  • the rolling machine according to claim 14 is for performing a method Suitable and also determined according to one of the preceding claims and comprises at least one permanent magnet motor, in particular one Torque motor for driving the rollers.
  • the dependence of the rotational speed becomes or is of the rollers depends on the rotational position of the roller (s) selected from the machined workpiece. To do this, one is adapted to the workpiece optimal course of the rotational speed is determined in advance and then set when the workpiece is formed.
  • the method generally comprises at least three method steps or process phases.
  • a first process phase the workpiece is between positioned the rollers.
  • a third process phase the workpiece is removed from the gap removed or ejected between the rollers. Over time Of course, these three process phases also change continuously Angle of rotation or the angular position of the rollers.
  • the rotational speed can now be used in different process phases and / or can also be varied within a process phase.
  • the rotation speed of the rollers chosen in the first process phase at least on average less than during the second process phase.
  • the rotation speed of the rollers during the second process phase at least on average chosen larger than during the third process phase.
  • a positioning device automatically positioned between the rollers.
  • the workpiece is preferably from a recess in the tools of at least one roller and then during the second process phase between the tools of the two Rolled rolls.
  • the speed of rotation will now be advantageous Embodiment after gripping the workpiece through the recess in the tools of the roller (s) increased.
  • the workpiece preferably continues at the beginning of the third process phase captured by a recess in the tools of at least one roller and ejected from the space between the rollers. Before the Detecting the workpiece through the further recess in the or Roller (s) the rotation speed of the rollers is now preferred reduced.
  • the rotational speeds when the workpiece is gripped at the beginning the second process phase and at the end of the second process phase are special about the same.
  • the rotation speed kept at least partially constant during the second process phase.
  • the rotation speed of the roller (s) can also in the second Process phase can be changed, especially if multiple tools are on the roller one after the other in different sub-process phases of the second Process the workpiece. For example, the speed of rotation be reduced at the beginning of a sub-process phase.
  • the speed of rotation can also be during the first process phase and the positioning of the workpiece kept at least partially constant become.
  • the rotation speed and / or direction of rotation of the rollers are or is at least in angular or time segments, preferably predominantly, set essentially equal to each other, but can also be set differently from one another at least in sections.
  • the current rotational position of the roller (s) can be from the starting position or Reference position of the roller (s) and the course of the rotational speed can be determined by calculation.
  • the rotational position is preferred the roller (s) is determined by means of at least one position detection device.
  • the position detection device preferably comprises at least an angular position incremental encoder or an absolute encoder and / or an optical, magnetic, inductive or ultrasonic angular position transmitter.
  • the rolling machine is one Profile cross rolling machine or cross wedge rolling machine. Because of the speed controllable and reversible drive is the rolling machine or cross wedge rolling machine can also be used as a stretch rolling machine or short stretch roll.
  • the permanent magnet motor preferably accelerates to the nominal speed to operate the rollers within a maximum rotation angle of 3 °, 2.2 °, 1 ° or 0.5 °. Furthermore, the permanent magnet motor preferably has a nominal torque between about 5,000 Nm and about 80,000 Nm, in particular between about 35,000 Nm and about 60,000 Nm, on and / or one Nominal speed between about 20 rpm and 800 rpm, in particular about 30 rpm or 500 rpm.
  • the drive includes in addition to the at least one permanent magnet motor at least one transmission for transmission the torque or the rotational movement of the permanent magnet motor on the at least two rollers.
  • the transmission includes in particular at least one coupled to the output shaft of the permanent magnet motor central drive gear and two with the drive gear in Engaging or bringable and coupled to one of the rollers Rolling gears.
  • the gear ratio of the drive motor on each of the rollers is then generally the same and preferred in a range between 1: 1 and 1: 1.5.
  • the drive is in particular mechanically synchronized via the transmission
  • roller drives Drives and / or electric drives with other motors in particular with synchronous or asynchronous motors and / or induction motors, in question.
  • Independent drives for the rollers are used the rollers are electronically synchronized or controlled, especially via Inverters that, for example, have a mains voltage of 400 V and 50 Hz an alternating voltage or alternating current of suitable amplitude and Convert frequency. It is particularly advantageous here that with cross wedge rollers the load on both motors due to the symmetrical structure of the Tools / rollers and / or the symmetrical forming process comparatively is low and thus favors the synchronization of the drives is.
  • the rolling machine preferably further comprises one for each of the rolls associated drive, the drives being independent of each other. It can also be a common drive with at least one gear for both rollers can be provided.
  • the direction of rotation of both work rolls 2 and 3 is with those shown Arrows illustrated and the same.
  • the rotation axes A and B are arranged essentially parallel to one another, in the example in FIG. 1 to 3 seen one above the other in the direction of gravity, so that the Work rolls 2 and 3 are arranged one above the other.
  • the work rolls have a substantially cylindrical outer surface. The distance between the cylindrical outer surfaces of the two work rolls 2 and 3 is marked with W.
  • the tools 20 and 21 of the first work roll 2 and the tools 30 and 31 of the second work roll 3 each at an angle and at an angle the respective axis of rotation A and B arranged, the tools 20 and 21 of the work roll 2 with respect to that between the two rolls parallel to the axis of rotation running, defining the geometric center M axially arranged in substantially the same positions are.
  • the tools 20 and 21 and 30 and 31 take in the circumferential direction seen in their cross section, with the increase in cross section for tools 20 and 21 in the same direction of rotation or orientation and the tools 30 and 31 of the second work roll 3 opposite or opposite to that of the tools 20 and 21 of the first work roll 2.
  • Each work roll 2 and 3 is in a holding device consisting of two parts releasably held and can be unlocked from the holding device in its Condition can be taken out to replace the tools 20 and 21 or 30 and 31 or the entire work rolls 2 and 3 with the Tools 20 and 21 or 30 and 31.
  • the holding device for the work roll 2 is designated 12 and the holding device for the work roll 3 with 13.
  • a first part 12A of the holding device arranged on the left in FIGS. 1 and 2 12 includes a conical receptacle 14 for receiving a extending axially to the axis of rotation A outward from the work roll 2 truncated cone-shaped extension 24 (stub shaft).
  • the second part 12B accordingly comprises a receptacle 15 for receiving a corresponding one tapered away from the work roll 2 and axially to Rotation axis A extending extension 25 of the work roll 2.
  • the work roll 2 is fixed in the recordings 14 and 15 of the holding device 12 clamped, the axial force towards the receptacle 15 in the direction of the axis of rotation A towards the work roll 2 for holding the work roll 2 by a spring 16 or another an axial force exerting element is generated.
  • the recordings 14 and 15 are rotationally symmetrical to the axis of rotation A and are not shown in FIG designated pivot bearings.
  • the receptacle 14 continues as a hollow shaft axially to the axis of rotation A and has a gear in its end region facing away from the work roll 2 18 on, as well as a corresponding gear 19, that of the second work roll 3 is assigned, with a control gear (pinion, drive gear) 5 is engaged.
  • the gear 18 that drives the first work roll 2 serves via the holding device 12, engages from above in the Control gear 5 and gear 19 connected to the second work roll 3 Coupled via the holding device 13, engages in the control gear from below 5th
  • the control gear 5 is now via an output shaft 45 with a drive motor 4 coupled.
  • the control gear 5, the output shaft 45 and the - Not shown - the rotor of the drive motor 4 are a common Rotation axis R rotatable or rotating.
  • the one from the drive motor 4, the output shaft 45 and the control gear 5 built drive for the Gears (roller gears) 18 and 19 and thus the synchronous with the Gear wheels 18 and 19 rotating work rolls 2 and 3 is thus a direct drive.
  • the mechanical power provided by the drive motor 4 corresponds to that Product of torque and angular velocity or angular frequency ⁇ , where the angular frequency ⁇ is equal to the product of 2 ⁇ and the speed n is.
  • the drive motor 4 is preferably a torque motor and has one high torque even with a comparatively low speed n of the drive motor 4 to generate the required drive power for the Drive rollers 2 and 3.
  • the transmission ratio from the control gear 5 to the gears 18 and 19 can thus be selected in the range around 1, in particular between about 1: 1 and about 1: 2. Turn at a transmission ratio of 2 the drive rollers 2 and 3 are twice as fast as the control gear 5 and the drive motor 4, with a transmission ratio of 1: 1 exactly so quickly.
  • Typical speeds of work rolls 2 and 3 are between about 10 revolutions per minute (rpm) and about 40 rpm, typically at 15 rpm.
  • a preferred embodiment of the drive motor 4 is a permanent magnet motor, where, usually on the rotor, permanent magnets (Permanent magnets) are arranged, one in the electromagnet or windings generated induction field of the stator rotating magnetic Generate flux, by interaction of the magnetic flux the permanent magnets and the induction field the rotation of the rotor on the basis of the induction principle or electromotive principle arises.
  • a torque motor is a synchronous motor, that is the rotor rotates synchronously with the rotating magnetic flux.
  • the Induction windings of the stator are usually with the phases of one Three-phase connection connected and arranged offset by 120 ° to each other. Permanent magnets with the highest possible Energy product used, for example rare earth cobalt magnets.
  • the stator generally has an iron core with the three-phase winding package while the rotor has a cylindrical iron core with the Has permanent magnets.
  • a torque motor can produce torque of up to 80,000 Nm.
  • the high torque also works a very fast spin.
  • the permanent magnet motor or torque motor the rollers within an angle of rotation from only 1 °, preferably even only 0.5 °, to the nominal speed, for example Accelerate 30 rpm. This high dynamic or spin of the torque motor allows a very dynamic control of the speed.
  • the control or regulation of the speed n of each other and synchronously rotating work rolls 2 and 3 is now according to the invention with a special control procedures or control procedures adapted to the rolling process.
  • the speed n or angular speed ⁇ of the work rolls 2 and 3 to the respective rotary position or angular position ⁇ of the work rolls 2 and 3 adapted and depending on this rotational position ⁇ controlled.
  • a positioning device for the workpiece 10 is designated 60 and comprises two relatively movable positioning parts (Guidelines) 61 and 62.
  • the workpiece 10 is now one not shown by means of two rulers Positioning device in a position between the work rolls 2 and 3 taught in which it from the recess 23 in the tool 20th the first work roll 2 is detected.
  • This process phase with introduced 5 shows tool 10 in the starting position.
  • the facing surfaces of the work rolls 2 move and 3 in opposite or opposite directions.
  • This curve K is in turn divided into seven sub-curves K1 to K7, the first sub-curve K1 between the angular positions ⁇ 1 and ⁇ 2, the second sub-curve K2 between the angular positions ⁇ 2 and ⁇ 3, the third Sub-curve K3 between the angular positions ⁇ 3 and ⁇ 4, the fourth sub-curve K4 between the angular positions ⁇ 4 and ⁇ 5, the fifth sub-curve K5 between the angular positions ⁇ 5 and ⁇ 6, the sixth sub-curve K6 between the angular positions ⁇ 6 and ⁇ 7 and the seventh sub-curve K7 between the angular positions ⁇ 7 and ⁇ 8.
  • the first sub-curve K1 and the second sub-curve K2 show a possible time course of the speed n of the work rolls 2 and 3 in the between the angular positions ⁇ 1 and ⁇ 3 lying first process phase for the preparation and positioning of the Workpiece 10.
  • Between the angular positions ⁇ 1 and ⁇ 2 is in one quite steep rise according to the sub-curve K1 the speed from 0 to one first speed n1> 0 increased and then between the angular positions ⁇ 2 and ⁇ 3 kept essentially constant, according to the sub-curve K2.
  • the angular position ⁇ 3 is now the angular position of the first rotating roller 2, in which the workpiece 10 is fixed in the recess 23 and the rolling process can start.
  • the angular position or Rotary position of the second work roll 3 directly with the angular position of the Work roll 2 is correlated and synchronous, but in opposite directions with the Angular position of the first work roll changes, the rotation of the work rolls 2 and 3 in the same direction to each other. That is why it is sufficient that To consider the rotational position of the first work roll 2. It could, of course just like the angular position of the second work roll 3 as a variable or Parameters are taken on which the speed n is made dependent becomes. In any case, it is sufficient to use one of the two work rolls 2 or 3 Position detection device to be provided for determining the angle of rotation ⁇ relative to a reference or zero position ⁇ 0, which in FIGS. 4 to 7 is chosen and drawn down.
  • the speed n is reduced again during the sub-curve K5, preferably again with a high braking acceleration and then with a lower braking acceleration, corresponding to a flatter slope in the sub-curve K6 between the angular positions ⁇ 7 and ⁇ 8 further decreased. So it will be ejecting the workpiece at a lower one RPM n and a lower spin performed to the Eject the workpiece gently.
  • the angle positions ⁇ 4 and ⁇ 5 accelerates from a speed n2 to a higher speed n8 and maintain this speed n8 up to an angular position ⁇ 6. thereupon is decelerated again from the speed n8 to a speed n5 between the angular positions ⁇ 6 and ⁇ 7.
  • the speed n5 is between the angular positions ⁇ 7 and ⁇ 8 are maintained and then between ⁇ 8 and ⁇ 9 accelerated again to a speed n7, which again during a plateau phase is maintained between ⁇ 9 and ⁇ 10.
  • This plateau phase between ⁇ 9 and ⁇ 10 with the speed n7 corresponds to a further forming phase with another tool.
  • 1 and 3 also show a worm wheel 9, which with the gear 18 for the work roll 2 is coupled and an adjustment or adjustment of the relative angular position of the work roll 2 relative to the work roll 3. It can adapt to different tools or also to correct the angular positions of the work rolls 2 and 3 relative can be adjusted to each other.
  • an adjustment drive (not shown) can also be provided, which drives the Rotary drive with the permanent magnet motor 4 and the gear with the output shaft 45 and the control gear 5 relative to the two Roller gears 18 and 19 can move. This can create an asymmetrical Intervention or backlash can be corrected. Furthermore, it is possible separate drives for adjusting the rollers 2 and 3 with their Roll gears 18 and 19 are provided so that the meshing of the roller gears 18 and 19 to the central control gear 5 each independently can be adjusted from each other.
  • the holding devices 12 and 13 of the two work rolls 2 and 3 are carried by a carrier device 6 and stored or anchored therein.
  • the carrier device 6 comprises four column-like carrier elements 6A to 6D, which are arranged in a rectangular arrangement and on a common one Base plate 6E, which is supported on the floor 50, or attached.
  • an associated lock nut preferably a hydraulically operated one Lock nut (9B, 9C in FIG 3
  • FIGS. 10 and 11 show a further embodiment of a cross wedge rolling machine 1, in which, in contrast to the embodiment according to FIGS. 1 to 3 a first drive 42 for the first work roll 2 and a second one from the first Drive 42 independent drive 43 for the second work roll 3.
  • everyone Drive 42 and 43 includes an associated permanent magnet motor 44 and 45 and a - not shown - gear, for example one, in particular three-stage, gear transmission, for transmitting the torque of the motor on the associated work roll 2 or 3.
  • the reduction ratio each transmission can be 1:35, for example.
  • Each of the permanent magnet motors 44 and 45 becomes electronic, in particular controlled by a converter. This allows the work rolls 2 and 3 either driven electronically synchronously or asynchronously become.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Forging (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Manufacture Of Motors, Generators (AREA)
EP04001862.4A 2003-03-04 2004-01-29 Procédé pour le formage d' une pièce et machine de laminage Expired - Lifetime EP1454684B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11162489.6A EP2340898B1 (fr) 2003-03-04 2004-01-29 Machine de laminage

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10309536 2003-03-04
DE10309536 2003-03-04
DE10319258A DE10319258B4 (de) 2003-03-04 2003-04-28 Verfahren zum Umformen eines Werkstückes und Walzmaschine zum Durchführen des Verfahrens
DE10319258 2003-04-28

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11162489.6A Division-Into EP2340898B1 (fr) 2003-03-04 2004-01-29 Machine de laminage
EP11162489.6A Division EP2340898B1 (fr) 2003-03-04 2004-01-29 Machine de laminage

Publications (3)

Publication Number Publication Date
EP1454684A2 true EP1454684A2 (fr) 2004-09-08
EP1454684A3 EP1454684A3 (fr) 2005-08-03
EP1454684B1 EP1454684B1 (fr) 2014-05-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04001862.4A Expired - Lifetime EP1454684B1 (fr) 2003-03-04 2004-01-29 Procédé pour le formage d' une pièce et machine de laminage

Country Status (5)

Country Link
US (2) US7225656B2 (fr)
EP (1) EP1454684B1 (fr)
JP (1) JP3889006B2 (fr)
CN (1) CN1281347C (fr)
DE (1) DE20312485U1 (fr)

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CN102091750A (zh) * 2011-01-27 2011-06-15 常熟市非凡金属制品有限公司 轧球辊可快速装卸的轧钢球机的成球机构
CN117772795A (zh) * 2024-02-23 2024-03-29 太原理工大学 一种稳定轧制过程辊间传动比的稳定装置和轧制成形设备

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CN100398253C (zh) * 2005-08-09 2008-07-02 贵州省机电装备工程技术研究中心 一种用于圆柱台阶轴类零件的冷拉伸滚压成型方法
DE102005056649B3 (de) * 2005-11-25 2007-05-31 Langenstein & Schemann Gmbh Vorrichtung zum Halten von wenigstens zwei Walzen einer Walzmaschine und Walzmaschine
AT505118B1 (de) * 2007-03-28 2013-03-15 Miba Sinter Austria Gmbh Verfahren zur bearbeitung einer verzahnung an einem sinterteil
DE102007031753B3 (de) * 2007-07-07 2008-11-27 Fette Gmbh Radialwalzkopf
CN102371270A (zh) * 2011-08-31 2012-03-14 杭州星冠机械科技有限公司 一种两辊线材轧制成型箱
CN103752607B (zh) * 2014-01-29 2015-07-15 雷亚夫 采用磁悬浮超导轧机轧制金属板材的轧制工艺
CN104668289B (zh) * 2015-01-23 2017-02-22 合肥市百胜科技发展股份有限公司 轧机机架
CN104646429B (zh) * 2015-01-23 2016-09-28 合肥市百胜科技发展股份有限公司 换辊装置
CN104668290B (zh) * 2015-01-23 2017-01-04 合肥市百胜科技发展股份有限公司 轧机
ITUB20154811A1 (it) * 2015-10-16 2017-04-16 Danieli Off Mecc Gabbia di laminazione per prodotti metallici
CN109996617B (zh) * 2016-11-22 2021-05-11 株式会社三共制作所 板材输送装置
PL240328B1 (pl) * 2017-11-02 2022-03-14 Lubelska Polt Narzędzie klinowe do dwuetapowego walcowania odkuwek
PL240329B1 (pl) * 2017-11-02 2022-03-14 Lubelska Polt Narzędzie klinowe do walcowania odkuwek
CN109175173B (zh) * 2018-10-17 2024-05-17 苏州迈道纳自动化科技有限公司 立式螺纹滚丝机
CN114082781B (zh) * 2021-11-26 2023-11-21 宁夏建龙特钢有限公司 一种螺纹钢精轧加工机械及精轧加工工艺

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EP1454684A3 (fr) 2005-08-03
DE20312485U1 (de) 2003-10-16
US20070044533A1 (en) 2007-03-01
US7406853B2 (en) 2008-08-05
CN1281347C (zh) 2006-10-25
US20040231380A1 (en) 2004-11-25
EP1454684B1 (fr) 2014-05-07
US7225656B2 (en) 2007-06-05
JP3889006B2 (ja) 2007-03-07
CN1530183A (zh) 2004-09-22

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