EP2769806B1 - Dispositif et système de finition de surface d'une pièce à usiner en forme de vilebrequin ou d'arbre à came - Google Patents

Dispositif et système de finition de surface d'une pièce à usiner en forme de vilebrequin ou d'arbre à came Download PDF

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Publication number
EP2769806B1
EP2769806B1 EP13156079.9A EP13156079A EP2769806B1 EP 2769806 B1 EP2769806 B1 EP 2769806B1 EP 13156079 A EP13156079 A EP 13156079A EP 2769806 B1 EP2769806 B1 EP 2769806B1
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EP
European Patent Office
Prior art keywords
tool
finishing
work piece
drive
workpiece
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
EP13156079.9A
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German (de)
English (en)
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EP2769806A1 (fr
Inventor
Oliver Hildebrandt
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.)
Supfina Grieshaber GmbH and Co KG
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Supfina Grieshaber GmbH and Co KG
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
Application filed by Supfina Grieshaber GmbH and Co KG filed Critical Supfina Grieshaber GmbH and Co KG
Priority to EP13156079.9A priority Critical patent/EP2769806B1/fr
Priority to CN201480018814.6A priority patent/CN105121093B/zh
Priority to BR112015020081-8A priority patent/BR112015020081B1/pt
Priority to PCT/EP2014/050499 priority patent/WO2014127926A1/fr
Priority to US14/769,103 priority patent/US9550265B2/en
Publication of EP2769806A1 publication Critical patent/EP2769806A1/fr
Application granted granted Critical
Publication of EP2769806B1 publication Critical patent/EP2769806B1/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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/006—Machines or devices using grinding or polishing belts; Accessories therefor for special purposes, e.g. for television tubes, car bumpers
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/008—Machines comprising two or more tools or having several working posts
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
    • 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
    • B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
    • 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
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins

Definitions

  • the invention relates to a device having the features of the preamble of patent claim 1.
  • a method for external microfinishing of a rotationally symmetrical body in which the body is rotated, a finishing tool is moved in an oscillating manner parallel to the axis of rotation and in which the oscillating Movement of the finishing tool is superimposed on a further movement in the direction parallel to the axis of rotation.
  • This method is also known under the heading "finish machining with overlay stroke” and has the advantage that a profile of a finish-machined workpiece surface can be set differently from a cylindrical jacket surface. In this way, for example, a slightly spherical shaped crankshaft bearing surface can be generated.
  • a device for finishing machining of camshafts or crankshafts having a first group of first finishing units and a second group of second finishing units, wherein the finishing units are seen in the axial direction alternately assigned to the first group and the second group and wherein the first group and the second group are arranged angularly offset relative to each other.
  • the present invention has the object to provide a device for finish machining of crankshafts or camshafts, with which the setup effort for the production of crankshafts or camshafts with different geometries can be reduced.
  • the movements of the first finishing tool and the second finishing tool are decoupled from each other in the direction parallel to the workpiece axis.
  • a tool drive is provided, which puts only the first finishing tool for machining a main bearing or a group of first finishing tools for machining a group of main bearings in a direction parallel to the workpiece axis movement.
  • a tool drive is provided, which exclusively the second finishing tool for machining an additional bearing (ie a connecting rod bearing or a cam surface) or a Group of second finishing tools for machining a group of additional bearings in parallel to the workpiece axis direction drives.
  • the decoupling according to the invention of the movement of the first finishing tool and the second finishing tool enables flexible machining of different crankshafts, which have different main bearing widths and / or connecting rod bearing widths or different camshafts, which have different main bearing widths and / or cam surface widths.
  • first finishing tools and second finishing tools are arranged alternately, so that the main bearings and auxiliary bearings of a workpiece are machined finish-in the same clamping (ie, in the same workpiece holder, preferably in the unchanged position of the workpiece holder).
  • a workpiece drive for generating an oscillating movement of the workpiece in a direction parallel to the workpiece axis.
  • at least one tool drive can be at least for a group of finishing tools (for example, for the first finishing tools for Processing of the main bearings) a Matterlagerungshub be provided.
  • the workpiece drive for generating a higher oscillation frequency and / or a smaller oscillation stroke is designed as at least one of the tool drives.
  • the tool holder and the workpiece form a relatively stiff compared to the finishing tools assembly, which is better suited for a highly dynamic drive than the finishing tools.
  • a first tool drive for generating an oscillating movement of the finishing tool in a direction parallel to the workpiece axis and a second tool drive for generating an oscillating, independent of the movement of the first finishing tool movement of the second finishing tool in parallel to the workpiece axis direction.
  • a Studentslagerungshub can be provided for both the main bearing and the additional storage.
  • a higher-frequency, short-stroke oscillation movement is provided here by means of the workpiece drive
  • a low-frequency, long-stroke oscillation movement is provided by means of the tool drives.
  • the first tool drive comprises a first tool holder for holding the first finishing tool and if the second tool drive comprises a second tool holder for holding the second finishing tool and if the first tool holder and the second tool holder are mounted on a common frame.
  • the common frame allows a space-saving arrangement of all finishing tools, especially in an alternating arrangement of first and second finishing tools.
  • the position of the first tool holder and / or of the second tool holder on the frame is adjustable in a direction perpendicular to the workpiece axis. As a result, a simple loading and unloading of a workpiece holder is made possible.
  • the first finishing tool and / or the second finishing tool may be a finishing belt or a finishing stone.
  • These finishing tools have a working width, which is determined by the bandwidth for a finishing belt and by the stone width in the case of a finishing stone.
  • pressing elements or shells are used, which are well known from the prior art.
  • For handling a finishing stone finishing stone holder are used, which are also well known from the prior art.
  • the invention further relates to a system for finish machining of workpieces in the form of crankshafts or camshafts, comprising different crankshafts or camshafts with differing main bearing widths and / or additional bearing widths.
  • the present invention has the further object of providing a system for finishing of crankshafts or camshafts, with which the set-up effort for the production of crankshafts or camshafts with different geometries can be reduced.
  • This object is achieved in that it comprises a device described above and that the effective width of the first finishing tool is equal to or smaller than the smallest main bearing width of the different crankshafts or camshafts and / or that the effective width of the second finishing tool is equal to or smaller than that smallest additional bearing width of the different crankshafts or camshafts is.
  • FIG. 1 An embodiment of a device for finish machining a workpiece is shown in FIG. 1 generally designated by the reference numeral 10.
  • the device 10 comprises a workpiece area 12 and a tool area 14.
  • the workpiece area 12 comprises a workpiece holder 16 for holding a workpiece in the form of a crankshaft 18 or in the form of a camshaft.
  • the invention will be described below with reference to a workpiece in the form of the crankshaft 18, which main bearings and additional bearings in the form of Has connecting rod bearings.
  • all embodiments apply in a corresponding manner for camshafts, which have concentric main bearings to a camshaft axis and radially offset to the camshaft axis additional bearing in the form of cam surfaces.
  • the workpiece holder 16 includes, for example, a headstock 20 with a rotary drive 22 for rotation of the crankshaft 18 about the workpiece axis 24.
  • the workpiece holder 16 further includes a tailstock 26 which is adjustable along the workpiece axis 24, between crankshaft 20 and tailstock 26 different lengths crankshafts 18th to be able to clamp.
  • the workpiece holder 16, in particular the composite of headstock 20, crankshaft 18 and tailstock 26 is arranged in a preferred embodiment on a support 28 which is displaceable by means of a workpiece drive 30 in an oscillating, parallel to the workpiece axis 24 extending movement.
  • the workpiece drive 30 comprises, for example, an eccentric 32.
  • the crankshaft 18 has a plurality of main bearings 34, which extend concentrically with the workpiece axis 24, and a plurality of connecting rod bearings 36, which are offset eccentrically to the workpiece axis 24 on.
  • the main bearing 34 and connecting rod bearing 36 are alternately, so alternately arranged.
  • an alternating arrangement also means an arrangement in which a plurality of connecting rod bearings 36 are arranged between two main bearings 34 following one another in the longitudinal direction of the crankshaft 18.
  • the tool area 14 comprises a frame 38 with a frame part 40.
  • the frame part 40 serves to guide a tool carrier 42 in a direction perpendicular to the workpiece axis 24.
  • a first tool holder 44 and a second tool holder 46 are arranged on the tool carrier 42.
  • the tool holders 44, 46 are guided parallel to the workpiece axis 24 on the tool carrier 42.
  • a tool drive assigned to only one of the tool holders 44, 46 is provided in each case.
  • a first tool drive 48 (for example in the form of an eccentric) serves to drive the first tool holder 44 along a first tool holder axis 50 parallel to the workpiece axis 24.
  • a second tool drive 52 (for example in the form of an eccentric) serves to drive the tool holder 46 along one of the Workpiece axis 24 parallel tool holder axis 54.
  • Tool drives 48, 52 in the form of eccentrics have the advantage that an oscillation stroke adjustment is possible by appropriate control of a drive of the eccentric. If, for example, an eccentric is driven by a pivoting drive, the oscillation stroke can be adjusted by selecting a pivoting angle between 0 ° and 180 °. With swivel angles greater than or equal to 180 °, a rotary drive rotating in one direction can also be used. The oscillation stroke of a tool holder 44, 46 (the distance between the extreme positions) is then equal to twice the distance between the eccentric and the rotary drive axis.
  • the first tool holder 44 serves to hold a group of first finishing tools 56, each of which serves to machine a main bearing 34.
  • the second tool holder 46 serves to arrange a plurality of second finishing tools 58, which each serve to machine a connecting rod bearing 36.
  • the workpiece carrier 42 is positionable perpendicular to the workpiece axis 24 (in directions indicated by reference numeral 60) relative to the frame member 40 to facilitate a loading and unloading operation of the workpiece holder 16.
  • the first finishing tools 56 have a working width 62 measured parallel to the workpiece axis 24.
  • the effective width 62 is equal to or smaller than the smallest main bearing width 64 of a plurality of crankshafts 18 having different main bearing widths 64.
  • an effective width of the second finishing tools 58 is equal to or smaller than the smallest connecting rod bearing width of a plurality of different crankshafts 18.
  • bearing arrangements 72 For arranging in each case a second finishing tool 58 on the second tool holder 46, preferably bearing arrangements 72 described below can be used. These storage facilities are also described in detail in European patent application no. 12152051, filed on January 23, 2012 by the same Applicant. In addition to the following description of the storage facilities 72 is in terms of the structure and operation of the storage facilities 72 also on the Content of European patent application no. 12152051 Referenced.
  • the bearing device 72 is used for mounting a subsequently explained in more detail pressing device 74 on the second tool holder 46.
  • a connecting portion 76 is provided for connecting the bearing device 72 with the second tool holder 46. It is preferred if the relative position between connecting portion 76 and tool holder 46 is adjustable in the direction parallel to and / or perpendicular to the workpiece axis 24 (for example by means of corresponding guide means) and if after reaching a desired position of the connecting portion 76 it is fixed to the tool holder 46, for example by blocking or jamming the guide means.
  • the pressing device 74 presses a second finishing tool 58, for example in the form of a finishing strip, against a connecting rod bearing 36 of the crankshaft 18.
  • the finishing belt is guided on a finishing belt guide 78, for example in the form of a deflection roller 80.
  • the connecting rod bearing 36 extends concentrically to an additional axis 82 which extends parallel to and spaced from the workpiece axis 24 of the crankshaft 18.
  • the bearing device 72 therefore has two degrees of freedom for supporting the pressing device 74 on the second tool holder 46, which allows a movement of the pressing device 74 within a plane perpendicular to the workpiece axis 24.
  • the bearing device 72 comprises a pivoting part 84, which is held by means of a pivot bearing 86 about a pivot axis 88 pivotally connected to the connecting portion 76.
  • the pivot axis 88 extends parallel to the workpiece axis 24.
  • the pivoting part 84 serves to arrange at least one linear guide 90, by means of which a bearing part 92 is mounted so as to be displaceable relative to the pivoting part 84 along a guide axis 94 of the linear guide 90.
  • the bearing part 92 extends substantially within a plane perpendicular to the workpiece axis 24 extending plane.
  • the bearing part 92 has an opening 96, which is penetrated by the pivot bearing 86.
  • the bearing part 92 has a crankshaft 18 facing bearing part end 98 for the arrangement of the pressing device 74.
  • the pressing device 74 comprises at least one pressing part 100, preferably two pressing parts 100, which is or are formed, for example, in the form of forceps arms 102.
  • the forceps arms 102 are relative to the bearing part 92 about Andschreibschwenkachsen 104th pivotable.
  • the pressing pivot axes 104 extend parallel to the pivot axis 88 of the pivoting part 84.
  • the pliers arms 102 have, at their end facing the crankshaft 18, pressure elements 106, which are in particular dish-shaped, so that a finishing tool 58 designed as a finishing belt can be pressed against this along a partial circumference of the connecting rod bearing 36.
  • the pressing device 74 comprises a pressing drive 108, which acts on the pressing elements 106 with a pressing force.
  • the pressure drive 108 is designed, for example, in the form of a hydraulic unit 110, which acts on the pressure elements 106 with pressure forces 112.
  • the pressure drive 108 and the pressure elements 106 are arranged on sides of the forceps arms 102 which are remote from one another with respect to the pressure pivot axes 104. In this way, opposing pressure forces 112 can be diverted into mutually facing pressure forces 114.
  • the bearing means 72 thus forms a pivot / thrust bearing for each of the second finishing tools 58 and provides for pivotal and linear movement of the finishing tool 58 relative to the second tool holder 46.
  • this is by means of the workpiece drive 30 and the tool holder 16 in an oscillating movement with a first, smaller Oszillationshub 66 (see FIG. 2 ).
  • This movement is generated by means of the first tool drive 48 overlay stroke 68 of the superimposed first finishing tool 56.
  • the superposition stroke 68 is preferably larger than the oscillation stroke 66. Further, it is preferable that the oscillation frequency of the superposition stroke 68 is smaller than the oscillation frequency of the oscillation stroke 66.
  • the second finishing tools 58 are also set in oscillating motion by means of the second tool drive 52, which in FIG. 1 indicated by the reference numeral 70.
  • the connecting rod bearings 36 can be processed by the processing of the main bearing 34 independently in one operation or in the same clamping, with a Matterlagerungshub is provided for both the connecting rod bearings 36 and 34 for the main bearing.
  • the workpiece drive 30 it is also possible to use the workpiece drive 30 to generate an oscillating movement of the crankshaft 18 and to apply only a group of finishing tools, ie the first finishing tools 56 or the second finishing tools 58, with an overlay stroke. In this case, it is possible that only a single workpiece drive (48 or 52) is provided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Drilling And Boring (AREA)

Claims (9)

  1. Dispositif (10) pour un travail de finition d'une pièce à usiner sous la forme d'un vilebrequin (18) ou d'un arbre à cames, avec un support de pièce à usiner(16) et avec un entraînement en rotation (22) pour faire tourner la pièce à usiner autour de l'axe de pièce à usiner (24), comprenant un premier outil de finition (56) pour le traitement d'un palier principal (34) concentrique par rapport à l'axe de pièce à usiner (24), et un deuxième outil de finition (58) pour le traitement d'un palier supplémentaire (36) déplacé dans une direction radiale par rapport à l'axe de pièce à usiner (24), dans lequel au moins un entraînement d'outil (48, 52) est prévu pour générer un mouvement oscillant exclusivement du premier outil de finition (56) ou exclusivement du deuxième outil de finition (58) dans la direction parallèle à l'axe de pièce à usiner (24), caractérisé en ce qu'un premier entraînement d'outil (48) est prévu pour générer un mouvement oscillant du premier outil de finition (56) dans la direction parallèle à l'axe de pièce à usiner (24), et en ce qu'un deuxième entraînement d'outil (52) est prévu pour générer un mouvement oscillant, indépendant du premier mouvement oscillant, du deuxième outil de finition (58) dans la direction parallèle à l'axe de pièce à usiner (24)
  2. Dispositif (10) selon la revendication 1, caractérisé en ce que le premier entraînement d'outil (48) entraîne une pluralité de premiers outils de finition (56), et le deuxième entraînement d'outil (52) entraîne une pluralité de deuxièmes outils de finition (58).
  3. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que les premiers outils de finition (56) et les deuxième outils de finition (58) sont vus le long de l'axe de pièce à usiner (24), disposés en alternance les uns par rapport aux autres.
  4. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un entraînement de pièce à usiner (30) est prévu, pour générant un mouvement oscillant de la pièce à usiner dans la direction parallèle à l'axe de pièce à usiner (24).
  5. Dispositif (10) selon la revendication 4, caractérisé en ce que l'entraînement de pièce à usiner (30), pour générer une fréquence d'oscillation plus élevée et/ou une course d'oscillation plus petite (66), est conçu sous la forme d'un entraînement d'outil (48, 52).
  6. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier entraînement d'outil (48) comprend un premier porte-outil (44) destiné à supporter le premier outil de finition (56), et le deuxième entraînement d'outil (52) comprend un deuxième porte-outil (46) destiné à supporter le deuxième outil de finition (58), et en ce que le premier porte-outil (44) et le deuxième porte-outil (46) sont montés sur un châssis commun (38).
  7. Dispositif (10) selon la revendication 6, caractérisé en ce que la position du premier porte-outil (44) et/ou du deuxième porte-outil (46) au châssis (38) est réglable dans la direction perpendiculaire à l'axe de pièce à usiner (24).
  8. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier outil de finition (56) et/ou le deuxième outil de finition (58) est une bande de finition, ou une pierre de finition.
  9. Système pour un travail de finition de pièces à usiner sous la forme de vilebrequins (18) ou d'arbres à cames, comprenant différents vilebrequins (18) ou arbres à cames avec des largeurs de palier principal (64) et/ou des largeurs de palier supplémentaire différentes les unes des autres, caractérisé en ce qu'il comprend un dispositif (10) selon l'une quelconque des revendications précédentes, et en ce que la largeur effective (62) du premier outil de finition (56) est égale ou inférieure à la plus petite largeur de palier principal (64) des différents vilebrequins (18) ou arbre à cames, et/ou en ce que la largeur effective du deuxième outil de finition (58) est égale ou inférieure à la plus petite largeur de palier auxiliaire des différents vilebrequins (18) ou arbres à cames.
EP13156079.9A 2013-02-21 2013-02-21 Dispositif et système de finition de surface d'une pièce à usiner en forme de vilebrequin ou d'arbre à came Active EP2769806B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP13156079.9A EP2769806B1 (fr) 2013-02-21 2013-02-21 Dispositif et système de finition de surface d'une pièce à usiner en forme de vilebrequin ou d'arbre à came
CN201480018814.6A CN105121093B (zh) 2013-02-21 2014-01-13 用于精加工具有曲轴或凸轮轴的形式的工件的装置和系统
BR112015020081-8A BR112015020081B1 (pt) 2013-02-21 2014-01-13 Dispositivo para o acabamento de processo de uma peça de trabalho sob a forma de uma cambota ou uma árvore de cames, e, sistema de acabamento de processo de peças de trabalho em forma de cambota ou árvore de cames
PCT/EP2014/050499 WO2014127926A1 (fr) 2013-02-21 2014-01-13 Dispositif et système d'usinage de finition d'une pièce sous la forme d'un vilebrequin ou d'un arbre à cames
US14/769,103 US9550265B2 (en) 2013-02-21 2014-01-13 Device and system for finish-machining a workpiece in the form of a crankshaft or a camshaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13156079.9A EP2769806B1 (fr) 2013-02-21 2013-02-21 Dispositif et système de finition de surface d'une pièce à usiner en forme de vilebrequin ou d'arbre à came

Publications (2)

Publication Number Publication Date
EP2769806A1 EP2769806A1 (fr) 2014-08-27
EP2769806B1 true EP2769806B1 (fr) 2014-12-17

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EP13156079.9A Active EP2769806B1 (fr) 2013-02-21 2013-02-21 Dispositif et système de finition de surface d'une pièce à usiner en forme de vilebrequin ou d'arbre à came

Country Status (5)

Country Link
US (1) US9550265B2 (fr)
EP (1) EP2769806B1 (fr)
CN (1) CN105121093B (fr)
BR (1) BR112015020081B1 (fr)
WO (1) WO2014127926A1 (fr)

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US20210101244A1 (en) * 2016-02-01 2021-04-08 Impco Microfinishing Narrow shoe journal microfinishing apparatus and method
US9987717B2 (en) * 2016-02-24 2018-06-05 Supfina Grieshaber Gmbh & Co. Kg Finishing device
CN106695476A (zh) * 2017-02-08 2017-05-24 佛山慧创正元新材料科技有限公司 一种曲轴轴颈抛光装置
CN107243824A (zh) * 2017-06-27 2017-10-13 无锡贺邦汽车配件有限公司 一种发动机曲轴打磨装置
US11241767B2 (en) 2018-06-01 2022-02-08 Fives Landis Corp. Pendulum grinding machine
CN108818284B (zh) * 2018-08-20 2020-07-28 安徽全柴动力股份有限公司 一种柴油机用曲轴抛光装置及抛光方法
CN109015152B (zh) * 2018-09-05 2023-11-28 安徽易恒机械有限公司 一种曲轴抛光机
CN110450050B (zh) * 2019-07-03 2020-12-08 戚明海 基于贴面换位原理调整半导体硅棒的夹持进给机构
CN111408989A (zh) * 2020-04-23 2020-07-14 神龙汽车有限公司 一种曲轴随动去毛刺的方法
DE102020134461A1 (de) 2020-12-21 2022-06-23 Supfina Grieshaber Gmbh & Co. Kg Finishbearbeitungssystem
CN115981239A (zh) * 2022-12-23 2023-04-18 歌尔股份有限公司 数控机床加工方法、控制装置、数控机床及存储介质

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BR112015020081B1 (pt) 2021-07-20
US20160031060A1 (en) 2016-02-04
CN105121093A (zh) 2015-12-02
CN105121093B (zh) 2016-08-31
US9550265B2 (en) 2017-01-24
BR112015020081A2 (pt) 2017-07-18
EP2769806A1 (fr) 2014-08-27
WO2014127926A1 (fr) 2014-08-28

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