EP3402629B1 - Machine de rodage - Google Patents

Machine de rodage Download PDF

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Publication number
EP3402629B1
EP3402629B1 EP16820253.9A EP16820253A EP3402629B1 EP 3402629 B1 EP3402629 B1 EP 3402629B1 EP 16820253 A EP16820253 A EP 16820253A EP 3402629 B1 EP3402629 B1 EP 3402629B1
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EP
European Patent Office
Prior art keywords
honing
spindle
housing
drive
honing machine
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.)
Active
Application number
EP16820253.9A
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German (de)
English (en)
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EP3402629A1 (fr
Inventor
Henning Klein
Roland Regler
Uwe Moos
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.)
Kadia Produktion GmbH and Co
Original Assignee
Kadia Produktion GmbH and Co
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.)
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Publication date
Application filed by Kadia Produktion GmbH and Co filed Critical Kadia Produktion GmbH and Co
Priority to HRP20220874TT priority Critical patent/HRP20220874T1/hr
Publication of EP3402629A1 publication Critical patent/EP3402629A1/fr
Application granted granted Critical
Publication of EP3402629B1 publication Critical patent/EP3402629B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B33/00—Honing machines or devices; Accessories therefor
    • B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B33/00—Honing machines or devices; Accessories therefor
    • B24B33/08—Honing tools
    • B24B33/089—Honing tools with a rack-and-pinion mechanism for expanding the honing segments

Definitions

  • the invention relates to a honing machine for honing bores in workpieces according to the preamble of claim 1.
  • Honing is a machining process with geometrically undefined cutting edges, in which a honing tool performs a cutting movement consisting of two components and there is constant surface contact between one or more cutting material bodies of the honing tool and the inner surface of the bore to be machined.
  • the kinematics of an expandable honing tool is characterized by a superimposition of a rotary movement, an oscillating lifting movement running in the axial direction of the bore and an expanding movement, which leads to a change in the effective diameter of the honing tool.
  • On the inner surface of the bore there is usually a surface structure with crossing traces of processing.
  • a honing machine suitable for honing is a machine tool whose work spindle is usually referred to as a honing spindle.
  • the honing spindle is movably mounted in a spindle housing, can be rotated about its longitudinal central axis (spindle axis) by means of a rotary drive and can be driven in an oscillating manner parallel to the spindle axis by means of a lifting drive.
  • the honing spindle has a device for attaching a honing tool arrangement with an expandable honing tool. There are different concepts for expanding the honing tool.
  • An expansion drive is often provided for expanding the honing tool, with the expansion drive being connected to the spindle housing and acting via an expansion gear on a feed rod running inside the honing spindle, which directly or indirectly causes a radial displacement of cutting material bodies of the honing tool.
  • Direct drives are known for the highly dynamic movement of machine parts, in particular in the form of linear motors.
  • a honing machine whose lifting drive is a linear motor.
  • Direct drives are characterized by the potential to enable high speeds and accelerations of the machine axis driven with them while at the same time generating friction-free movement.
  • the GB 2 450 445A forms the basis for the two-part form of claim 1 and discloses a honing machine for honing bores in workpieces.
  • the honing machine has a honing spindle.
  • the honing spindle is movably mounted in a spindle housing.
  • This includes a support unit that includes a vertically aligned tubular frame.
  • the spindle can be driven to oscillate parallel to the spindle axis by means of a lifting drive.
  • a device for attaching a honing tool arrangement with an expandable honing tool is provided at a tool-side end of the honing spindle.
  • An expanding drive is coupled to a feed rod running inside the honing spindle.
  • the expanding drive which is not described in detail, is fastened to the top of the rotary drive, which is not described in detail, is carried by it and itself has no fixed connection to the carrier unit and the frame of the spindle housing.
  • the invention is based on the object of providing a honing machine which enables economical production of honed workpieces with short cycle times and high quality.
  • the invention provides a honing machine with the features of claim 1 ready.
  • Advantageous developments are specified in the dependent claims. The wording of all claims is incorporated by reference into the description.
  • a honing machine has a monocoque housing which has a spindle housing section serving as a spindle housing for accommodating the rotary drive and an expanding system section formed integrally with the spindle housing section for accommodating the expanding drive.
  • the rotary drive is designed as a direct electric drive and has a stator mounted firmly in the spindle housing section of the monocoque housing and one on the Outside of the honing spindle mounted rotor that can rotate inside the stator.
  • the expansion drive is designed as a direct electric drive, with a stator of the expansion drive being permanently mounted in the expansion system section of the monocoque housing and a rotor that can rotate relative to the stator being coupled to the feed rod in such a way that the rotor of the expansion drive can rotate relative to the stator causes axial movement of the feed rod parallel to the spindle axis.
  • the expansion drive is coupled to the feed rod in a movement-transmitting manner via an expansion gear
  • the expansion gear is preferably also accommodated in the expansion system section.
  • a monocoque housing offers the possibility of considerable weight savings, since the integrated design means that some housing parts, flanges, fasteners, etc. can be omitted.
  • honing machines in addition to the process forces, drives must also apply weight and acceleration forces.
  • large drive power must be kept available usually go hand in hand with an increase in the moving mass.
  • a weight saving creates significantly better conditions here.
  • a monocoque housing could be manufactured as an aluminum casting (aluminum or aluminum alloy, e.g. Al-Mg).
  • Embodiments are considered to be particularly advantageous in which the monocoque housing is produced as a lightweight component using a lightweight construction material. If the monocoque housing that moves with the honing spindle is a lightweight component, i.e. a component manufactured using a lightweight construction material, then the moving mass can be significantly reduced compared to conventional solutions.
  • a lower moving mass means that a higher acceleration of the mass is possible with the available force.
  • This is particularly advantageous for honing, since there is an axial reciprocating movement component during the stroke movement. The benefits are even clearer with vertical honing machines, since with a vertical arrangement of the axial movement, the reduction in the weight of the moving components also has a positive effect on the dynamic behavior of the honing machine.
  • the amplitude of the axial movement is dictated by external constraints such as workpiece length.
  • An increase in the maximum speed and the acceleration in the reversal points of the lifting movement leads to an increased average axial speed.
  • the axial speed often limits the possible cutting speed and thus the achievable material removal. Therefore, shorter machining times and thus shorter cycle times for a workpiece can ultimately be achieved with increased axial speeds.
  • Vibrations can also occur together with the increased dynamics of moving machine parts. As a rule, these are undesirable, since the processing quality decreases as a result of this disruptive factor.
  • suitable lightweight construction materials with high rigidity and good damping properties instead of solid components made of steel or other conventional construction materials, unwanted vibrations can be damped more, so that the machining result is improved.
  • a reduced moving mass can also contribute to reducing the energy consumption of a processing machine, so that an increase in energy efficiency arises as an additional benefit.
  • the monocoque housing is manufactured using a fiber composite material.
  • Components made using (at least) one fiber composite material can provide sufficient stiffness and good damping at very low mass.
  • a fiber composite material for the production or in the production of a component of the honing machine that can be moved with the honing spindle, it is possible to reduce the weight and mass inertia of the corresponding component compared to a similarly designed and dimensioned component made of a metallic material (e.g. steel material or Aluminum material) to reduce significantly.
  • a metallic material e.g. steel material or Aluminum material
  • a carbon fiber reinforced plastic which can also be referred to as carbon fiber reinforced plastic (CFRP)
  • CFRP carbon fiber reinforced plastic
  • CFRP carbon fiber reinforced plastic
  • CFRP carbon fiber reinforced plastic
  • a plastic matrix for example an epoxy resin, another duromer or a thermoplastic
  • the mechanical properties of the hardened fiber composite benefit from the tensile strength of the carbon fibers.
  • the plastic matrix prevents the fibers from shifting against each other under load and also contributes to the cushioning properties of the material.
  • GRP glass fiber reinforced plastic
  • two or more fiber composite materials of different types can be combined.
  • a lightweight component produced using a fiber composite material can essentially consist entirely of the fiber-reinforced plastic material.
  • the core can, for example, essentially consist of a pressure-resistant lightweight material in which cavities are enclosed.
  • the monocoque housing and/or one or more other components that can be moved with the honing spindle using a metal foam, for example an aluminum foam.
  • the rotatably mounted honing spindle prefferably designed as a lightweight component.
  • the lifting drive has a linear motor with a primary part attached to a stand of the honing machine and a secondary part that can be moved linearly relative to the primary part and that is integrated into a carriage that carries the spindle housing, with at least one component of the carriage being designed as a lightweight component.
  • the carriage can contain a carriage plate that is designed as a lightweight component.
  • the lightweight component in particular the monocoque housing, possibly also other components, is manufactured using a near-net-shape manufacturing process that includes at least one manufacturing step of lamination, foaming and/or 3D printing.
  • a near-net-shape manufacturing process that includes at least one manufacturing step of lamination, foaming and/or 3D printing.
  • Such production processes usually require relatively little post-processing or no post-processing at all and allow rapid, cost-effective production of even complex shapes.
  • the lightweight component has an insert part that is not made of a lightweight construction material at at least one connection point for connecting the lightweight component to another component.
  • the insert can, for example, essentially be made of steel, aluminum, magnesium, brass or titanium.
  • At least one through-channel is formed in the lightweight component, leading from an inlet opening to an outlet opening, through which a flowable medium or at least one Line passed or passed through.
  • Such through-channels can be provided, for example, in order to route cooling lubricant lines, pneumatic lines, electrical lines and/or the like. If such lines are routed through the interior of a lightweight component, they can be protected against environmental influences by the lightweight component and the entire honing machine also makes a "tidy" impression.
  • a through-channel can also be used directly as a line for a flowable medium, e.g. a cooling liquid or cooling lubricant.
  • the honing machine can be designed as a horizontal honing machine (with a horizontally aligned honing spindle) or as a vertical honing machine (with a vertically aligned honing spindle).
  • Vertical honing machines offer particular advantages, since the influence of weight on the lifting movement can be reduced by using lightweight components.
  • FIG 3 an example of a conventional honing machine 300 is explained, which in principle can be constructed as shown in FIG DE 102 25 514 B4 described.
  • a workpiece 390 is clamped on a machining platform, the bore 392 of which is to be honed using the honing tool 380 .
  • the honing tool 380 is accommodated in a cone at the lower end of a honing spindle 370 and is moved up and down together with the honing spindle in a vertical lifting movement during operation of the honing machine. As a result, the vertical movement component of the working movement of the honing tool is carried out.
  • the honing spindle is movably mounted in a metallic spindle housing 330 and can be rotated about its spindle axis (longitudinal central axis) by means of a rotary drive in the form of an electric motor integrated into the spindle housing. This creates the rotary component of the working movement of the honing tool.
  • the honing spindle is driven in an oscillating manner parallel to its spindle axis by means of a lifting drive.
  • the lifting drive comprises an electric linear motor with a primary part attached to a stand 302 of the honing machine and a secondary part that can be moved linearly relative to the primary part.
  • the secondary part is integrated into a carriage 310 made of steel, which is guided in a linearly displaceable manner on a vertical guide device.
  • the carriage 310 supports the spindle housing 330, which can thus be moved up and down vertically together with the carriage.
  • the secondary part is the moving part and the primary part is the stationary part of an electric linear motor.
  • an electric expansion drive is provided, which is coupled via an expansion gear with an axially movable feed rod inside the honing spindle 370 .
  • the metallic housing 350 which surrounds the expansion drive, is flanged to the top of the spindle housing.
  • the honing unit with the spindle housing 330 and honing spindle 370 and the honing tool 380 accommodated therein is lowered far enough for the honing stones 382 of the honing tool to dip into the bore.
  • the honing spindle 370 is simultaneously moved back and forth (i.e., up and down) and rotated.
  • the two labor movements are coordinated in such a way that a cross-hatch pattern typical of honing is created on the inner surface of the machined bore.
  • the vertical support 302 and the rails for the carriage 310 attached thereto and the primary part of the linear motor are among the stationary components of the honing machine.
  • the carriage 310 with the integrated secondary part of the linear motor and all components carried by the carriage are among those components which are moved together in the honing spindle during machining.
  • the honing spindle 170 of the exemplary embodiment is rotatably mounted within a housing 150 using roller bearings in such a way that it can rotate about its vertical spindle axis 172 relative to the housing 150 .
  • the rotary drive 135 is designed as a direct electric drive and includes a stator 135-1 fixedly mounted in the housing 150 and a rotor 135-2 mounted on the outside of the honing spindle 170, which rotor can rotate inside the stator.
  • the honing spindle 170 has an inner through hole in which a feed rod 180 of the expansion system is guided so that it can move axially.
  • the feed rod rotates with the speed of the honing spindle with this.
  • the axial movement of the feed rod is brought about with the aid of an expanding drive 155, which is designed as a direct electric drive.
  • a stator 155 - 1 of the expander drive is fixedly mounted with respect to the housing 150 .
  • the rotor 155-2 which can be rotated relative to the stator, is coupled to a spindle nut 157, the internal thread of which interacts with the external thread of a threaded spindle 158 of the expansion drive.
  • the threaded spindle 158 is fixedly attached to a housing cover which is fixedly connected to the housing 150 .
  • the spindle nut runs along the threaded spindle, as a result of which the (shorter) rotor is moved axially relative to the (longer) stator.
  • the spindle nut is coupled to the feed rod via a receiving sleeve 159, which rotates with the spindle nut and is rotatably mounted relative to the feed rod, in such a way that the axial movement of the spindle nut is transferred to the delivery bar.
  • a rotation of the rotor 155-2 of the expansion drive 155 relative to the stator causes an axial movement of the infeed rod 180 parallel to the spindle axis 172.
  • This infeed can be clocked or controlled.
  • the combination of spindle 158 and spindle nut 157 acts as an expansion gear, which converts the rotation of the rotor into an axial movement of the feed rod.
  • the housing 150 essentially consists of a single component, which serves both as a housing for the rotary drive 135 of the honing spindle 170 and as a housing for the expanding drive 155.
  • the housing 150 has a spindle housing section 150-1, which encloses the stator 135-1 of the rotary drive 135 for the honing spindle, and an expanding system section 150-2, which is formed in one piece with the spindle housing section and has a smaller diameter, and which is used, among other things, for Recording the expansion drive 155 is used.
  • This integration of a plurality of components that are manufactured separately in the prior art and then components that are then assembled together in a single component is also referred to here as a monocoque housing 150 .
  • the interface between the housing of the spindle motor and the separate housing, which encloses the expansion drive and the expansion gear, is eliminated.
  • potential causes of error such as the unintentional loosening of connections in the area of the interface during prolonged operation and possible incorrect adjustments when aligning the expander drive and spindle drive, can be avoided in principle.
  • Another special feature is that several components that can be moved together with the honing spindle 170 are manufactured as lightweight components using at least one lightweight construction material.
  • the housing 150 is a one-piece, elongated hollow body, the wall sections of which are produced using a fiber composite material, for example carbon fiber reinforced plastic (CFRP).
  • CFRP carbon fiber reinforced plastic
  • the outer and inner walls of the monocoque housing essentially consist of layers of laminated fiber composite material FV, while between the outer walls there is a core K with a low mass density, which is filled, for example, with pressure-resistant filler with glass beads or other stiff, light hollow bodies (see enlarged detail in Fig Figure 1A ).
  • CFRP carbon fiber reinforced plastic
  • the carriage 110 linearly guided on the stationary stand 102 is significantly lighter with the same dimensions as a conventional carriage, since the carriage plate 112 as an essential component of the carriage is also produced as a lightweight component using a fiber composite material.
  • the components integrated therein, for example the secondary part of the linear motor for the lifting movement, can be configured as in the conventional honing machine.
  • a through-channel 113 running from top to bottom, through which a cooling liquid for tool cooling can be conducted, starting from an upper media connection (not shown).
  • Further through holes 114A, 114B run in the carriage plate 112 and in the monocoque housing, which lead from an upper media connection through horizontal sections into the interior of the monocoque housing. These are used to supply coolant for cooling the rotary drive 135.
  • Electrical lines, e.g. for transmitters or sensors, can be passed through further vertical through-channels 115.
  • the embodiment of 2 is similar or identical in most details to the embodiment of FIG 1 . There is a difference in the design of the inner contour of the monocoque housing 250 in the area of the transition between the expansion system section 250-2 and the adjoining spindle housing section 250-1 with a larger diameter.
  • the stator of the expansion drive is based in the embodiment of 1 axially onto an annular collar 156 which, starting from the housing wall, protrudes inwards and surrounds a through-opening for the feed rod.
  • annular collar 156 two molds are used in the production of the exemplary embodiment, namely one mold which extends from the top of the inner area to the shoulder (annular collar 156) and another mold which extends from the lower passage opening for the honing spindle to to the shoulder.
  • this ring collar is omitted, which makes it possible to produce the monocoque housing 250 with only a single inner mold, which can be inserted from the side with the larger diameter and can also be removed on this side.
  • that inner sleeve 255 which holds, among other things, the upper rotary bearing for the honing spindle, is continued in the direction of the smaller diameter and is pulled inwards at the end, so that a support surface for the stator is formed.
  • the mass of some components of a honing spindle unit is reduced through the use of fiber composite materials and/or other lightweight construction materials.
  • the housing and connection components can be made of composite material, for example glass fiber reinforced or carbon fiber reinforced plastic (GRP/CRP).
  • foamed materials such as metal foams (e.g. aluminum foam) in raw form, as sandwich components with cover sheets or as filling material between the inner and outer geometry are possible.
  • glass fiber composite materials have a tensile strength of up to 1000 N/mm 2 , depending on the direction of the fibres.
  • Carbon fiber composite materials have a tensile strength of up to 1400 N/mm 2 with a density of approx. 1.5 g/cm 2 .
  • Aramid fiber reinforced plastics have even lower densities of about 1.4 g/cm 3 with tensile strengths similar to those of carbon fiber reinforced plastics.
  • Pure aluminum foams have a density of -0.5 g/cm 3 . With composite or sandwich materials, around 1.0 g/cm 3 seems realistic.
  • a material-specific design of the geometry of the components that move with the honing spindle can contribute to exploiting the potential of lightweight construction materials when constructing a honing spindle unit. This can mean, among other things, that components can be designed as slim as possible and that there should only be more material in places that absorb or dissipate forces.
  • the moving mass can be reduced by reducing the number of connection points and substituting screw connections, for example with adhesive connections or by laminating in connection parts.
  • screw connections for example with adhesive connections or by laminating in connection parts.
  • laminated or foamed components such as GRP, CFRP, aramid fibers
  • fully metal inserts e.g. made of steel, aluminium, magnesium, brass or titanium, is possible in the area of connection points for design reasons.
  • the monocoque proposed in this application i.e. an integral housing body.
  • a continuous tube is possible, in which all components (spindle motor for generating the tool rotation, expanding gear for active tool feed and clamping/release of the tool in the processing spindle ...) as well as connecting elements and interfaces (cables, media) are integrated. This allows the number of components used, and thus the mass, to be reduced.
  • a close-to-net-shape production makes it possible to easily produce a mass and performance-oriented processing unit with minimal post-processing, for example only on fits and screwing surfaces, and subsequent assembly of pre-assembled individual assemblies.
  • minimal post-processing for example only on fits and screwing surfaces
  • subsequent assembly of pre-assembled individual assemblies By reducing the number of components, there are fewer interfaces, which reduces the likelihood of loose connections.
  • the monocoque housing dissipates the forces that occur within the housing body in the best possible way. These aspects increase the accuracy of the processing unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Soil Working Implements (AREA)

Claims (11)

  1. Machine de rodage (100) pour le rodage d'alésages dans des pièces à usiner avec :
    une broche de rodage (170), laquelle
    est logée de manière mobile dans un carter de broche (130),
    peut tourner autour d'un axe de broche (172) au moyen d'un entraînement rotatif (135),
    peut être entraînée de manière oscillante parallèlement à l'axe de broche au moyen d'un entraînement de levage et
    qui présente à une extrémité côté outil un dispositif pour fixer un ensemble d'outil de rodage avec un outil de rodage expansible, et
    un entraînement d'expansion pour élargir l'outil de rodage, sachant que l'entraînement d'expansion est relié au carter de broche et est raccordé à une tige d'avance (180) s'étendant à l'intérieur de la broche de rodage ;
    caractérisée par un carter monocoque (150), lequel présente une section de carter de broche (150-1) servant de carter de broche pour le logement de l'entraînement rotatif (135) et une section de système d'expansion (150-2) formée d'un seul tenant avec la section du carter de broche pour le logement de l'entraînement d'expansion (155), sachant que l'entrainement rotatif (135) est conçu sous forme d'un entraînement électrique direct et comprend un stator (135-1) monté de manière fixe dans la section (150-1) de carter de broche du carter monocoque (150) ainsi qu'un rotor (135-2) monté sur le côté extérieur de la broche de rodage (170) et pouvant tourner à l'intérieur du stator et
    que l'entraînement d'expansion (155) est conçu sous forme d'un entraînement électrique direct, sachant qu'un stator (155-1) de l'entraînement d'expansion est monté de manière fixe dans la section du système d'expansion (150-2) du carter monocoque (150) et qu'un rotor (155-2) rotatif par rapport au stator (155-1) est raccordé à la tige d'avance (180) de sorte que qu'une rotation du rotor (155-2) de l'entraînement d'expansion (155) par rapport au stator (155-1) génère un mouvement axial de la tige d'avance (180) parallèlement à l'axe de broche (172).
  2. Machine de rodage selon la revendication 1, caractérisée en ce que l'entraînement d'expansion (155) est raccordé à la tige d'avance (180) par l'intermédiaire d'un engrenage d'expansion, sachant que ledit engrenage d'expansion est logé dans la section du système d'expansion (150-2).
  3. Machine de rodage selon la revendication 1 ou 2, caractérisée en ce que le diamètre de la section du système d'expansion (150-2) du carter monocoque (150) est inférieur à celui de la section (150-1) de carter de broche du carter monocoque (150).
  4. Machine de rodage selon la revendication 1, 2 ou 3, caractérisée en ce que le carter monocoque (150) est fabriqué sous forme de composant de construction léger en utilisant un matériau de construction léger, sachant que de préférence le carter monocoque (150) est fabriqué sous forme d'un composant de construction léger en utilisant un matériau composite à base de fibres, sachant que le matériau composite à base de fibres est de préférence un plastique renforcé de fibres de carbone (PRFC) ou un plastique renforcé de fibres de verre (PRV).
  5. Machine de rodage selon l'une des revendications précédentes, caractérisée en ce que en plus du carter monocoque (150), au moins une autre composant de la machine de rodage mobile avec la broche de rodage est fabriqué sous forme de composant de construction léger en utilisant un matériau de construction léger, en particulier un matériau composite à base de fibres.
  6. Machine de rodage selon la revendication 4 ou 5, caractérisée en ce que le composant de construction léger fabriqué en utilisant un matériau composite à base de fibres présente un noyau (K) de faible masse volumique, lequel est entouré par une enveloppe en matériau composite à base de fibres (FV), sachant que le noyau est de préférence essentiellement constitué d'un matériau léger résistant à la pression, dans lequel sont enfermés des espaces creux.
  7. Machine de rodage selon l'une des revendications précédentes, caractérisée en ce que l'entraînement de levage présente un moteur linéaire avec une partie primaire fixée sur un montant (102) de la machine de rodage et une partie secondaire déplaçable linéairement par rapport à la partie primaire, laquelle est intégrée dans un chariot (110) portant le carter de broche (150), sachant qu'une plaque de chariot (112) et/ou au moins un autre composant du chariot (110) est conçu sous forme de composant de construction léger.
  8. Machine de rodage selon l'une des revendications 4 à 7, caractérisée en ce que le composant de construction léger est fabriqué en utilisant un procédé de fabrication proche de la forme finale, lequel comprend au moins l'une des étapes suivantes : laminage ; moussage ; impression 3D.
  9. Machine de rodage selon l'une des revendications 4 à 8, caractérisée en ce que, sur au moins un point de jonction servant à raccorder le composant de construction léger à un autre composant, le composant de construction léger présente une pièce d'insertion non constituée d'un matériau de construction léger, sachant que la pièce d'insertion est de préférence essentiellement constituée d'acier, d'aluminium, de magnésium, de laiton ou de titane.
  10. Machine de rodage selon l'une des revendications 4 à 9, caractérisée en ce qu'au moins un canal de passage (113, 114A, 114B, 115) menant d'une ouverture d'entrée à une ouverture de sortie, à travers lequel un milieu fluide ou au moins une conduite passe ou peut passer, est formé dans un composant de construction léger (150, 112).
  11. Machine de rodage selon l'une des revendications précédentes, caractérisée en ce que la machine de rodage (100) est une machine de rodage verticale avec une broche de rodage orientée à la verticale.
EP16820253.9A 2016-01-13 2016-12-21 Machine de rodage Active EP3402629B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20220874TT HRP20220874T1 (hr) 2016-01-13 2016-12-21 Brusna mašina

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016200295.3A DE102016200295A1 (de) 2016-01-13 2016-01-13 Honmaschine
PCT/EP2016/082093 WO2017121590A1 (fr) 2016-01-13 2016-12-21 Machine de rodage

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EP3402629A1 EP3402629A1 (fr) 2018-11-21
EP3402629B1 true EP3402629B1 (fr) 2022-04-27

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US (1) US11389921B2 (fr)
EP (1) EP3402629B1 (fr)
CN (1) CN108883513B (fr)
DE (2) DE102016200295A1 (fr)
HR (1) HRP20220874T1 (fr)
WO (1) WO2017121590A1 (fr)

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DE102016200295A1 (de) 2017-07-13
US11389921B2 (en) 2022-07-19
WO2017121590A1 (fr) 2017-07-20
DE202017000022U1 (de) 2017-01-20
HRP20220874T1 (hr) 2022-10-14
US20190001461A1 (en) 2019-01-03
CN108883513A (zh) 2018-11-23
EP3402629A1 (fr) 2018-11-21

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