WO2021037299A1 - Dispositif et procédé destinés à l'usinage extérieur d'une pièce par enlèvement de copeaux - Google Patents

Dispositif et procédé destinés à l'usinage extérieur d'une pièce par enlèvement de copeaux Download PDF

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Publication number
WO2021037299A1
WO2021037299A1 PCT/DE2020/100585 DE2020100585W WO2021037299A1 WO 2021037299 A1 WO2021037299 A1 WO 2021037299A1 DE 2020100585 W DE2020100585 W DE 2020100585W WO 2021037299 A1 WO2021037299 A1 WO 2021037299A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
shoe
plastic cap
machining
metal pot
Prior art date
Application number
PCT/DE2020/100585
Other languages
German (de)
English (en)
Inventor
Stephan Woiwode
Thorsten Roth
Original Assignee
Schaeffler Technologies AG & 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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to CN202080053530.6A priority Critical patent/CN114173990B/zh
Priority to JP2022513395A priority patent/JP7293501B2/ja
Publication of WO2021037299A1 publication Critical patent/WO2021037299A1/fr

Links

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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
    • 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
    • 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
    • B24B33/10—Accessories
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces

Definitions

  • the invention relates to a method for external machining of a workpiece with a geometrically undefined cutting edge.
  • the invention also relates to a device designed to carry out such a machining method.
  • a device for finishing ringför-shaped workpieces, in particular bearing rings is known.
  • the known device comprises a device for short-stroke honing which has an oscillation drive for generating oscillating movements of a honing stone holder. Furthermore, a tool holder is available which is set up to accommodate a hard turning tool.
  • the workpiece to be machined can be a bearing ring for a two-row spherical roller bearing.
  • a tool carrier of the known machining device can perform both short-stroke Oszillationsbewe movements and long-stroke oscillatory movements with the help of various drives.
  • the machining of an inner surface with the aid of a honing tool is described in DE 10 2011 087 074 A1.
  • the honing tool includes honing stones and additional stabilizing stones.
  • DE 28 26 169 A1 describes a grinding or honing machine for machining the raceway of rolling bearing rings, either the outer circumferential surface or the inner circumferential surface of the rolling bearing ring being processed.
  • a complete production line for producing bearing components is disclosed in WO 2017/028855 A1.
  • the production line includes, among other things, a honing machine in the form of a vertical honing machine.
  • the invention is based on the object of specifying a particularly reliable external machining of a workpiece with a geometrically indeterminate cutting edge which has been further developed compared to the prior art mentioned.
  • this object is achieved by a device for external machining of a workpiece having the features of claim 1.
  • the object is also achieved by a method according to claim 6.
  • the embodiments and advantages of the invention explained below in connection with the machining method also apply mutatis mutandis to the machining device and vice versa.
  • the machining device comprises a shoe, that is to say workpiece holder, which is designed to press a rotationally symmetrical workpiece against a driver, the shoe having a holding element on which a rotary element to be inserted into the workpiece is mounted by means of a roller bearing, and the Rotation element has a plastic cap provided for contacting the workpiece.
  • the workpiece in particular a roller bearing ring, is held during the grinding or honing process.
  • the grinding or honing process comprises the following steps:
  • the machining is force-controlled with the help of a honing stone as a tool.
  • the plastic cap is preferably designed in such a way that the workpiece is held on the rotary element without play.
  • the risk of jamming when the shoe and workpiece slide into one another is minimized due to the flexible and at the same time good friction properties of the material from which the plastic cap is made .
  • a particularly even distribution of contact pressure on the driver prevents parts from slipping or stalling during the machining process.
  • the plastic cap rests flat on the workpiece, deformation of the workpiece during processing is fundamentally excluded.
  • its metal pot has a collar on which a collar of the plastic cap provided for contacting the workpiece strikes. Over the collar of the metal pot and the collar of the plastic cap, an axial force can be transmitted over a large area to an annular workpiece.
  • the roller bearing which is integrated into the shoe, is, for example, a multi-row ball bearing, in particular an arrangement of four deep groove ball bearings.
  • the plurality of individual bearings ensures that the rotary element runs particularly smoothly during machining.
  • the rotary element which comprises the plastic cap, adapts almost or completely to the speed of the driver during the machining process. This is synonymous with the fact that there is no or almost no sliding movement between the rotary element and the workpiece during machining, in particular honing.
  • FIG. 1 shows a shoe provided for holding a rotatable workpiece in a cut perspective view
  • Fig. 2 is a fragmentary schematic view of the machining of a workpiece held with Hil fe of the shoe
  • 3 shows a metal pot of the shoe in a sectional view
  • 4 shows the metal pot in a perspective view
  • FIG. 6 shows the plastic cap in a perspective view.
  • FIGS. 1 to 6 show, in whole or in part, a device, designated as a whole as shoe 1, for holding a workpiece 4 during its external machining with a geometrically undefined cutting edge.
  • the workpiece 4 is an inner ring of a roller bearing. Borders of the inner ring 4 are denoted by 6, and a raceway for rolling elements, in particular rollers, by 5.
  • a tool 8 for machining the running surface 5 comprises a honing stone 9.
  • Components of the shoe 1 are a holding element 2 and a rotary element 3 mounted on the holding element 2.
  • the rotary element 3 is moved into the ring-shaped workpiece 4 for machining the latter, the workpiece 4 being pressed against a driver 7.
  • the axis of rotation of the driver 7 is identical to the center axis, denoted by M, of the rotation element 3 and thus of the entire shoe 1.
  • a connection section 10, which is to be inserted into a receptacle (not shown), a disk section 11 which connects to the connection section 10, and a bearing section 12 adjoining the disk section 11 are formed by the holding element 2.
  • the rotary element 3 is supported with the aid of a roller bearing designated as a whole by 14 on the bearing section 12, which of all sections 10, 11, 12 has the smallest diameter.
  • the rotary element 3 is composed of a metal pot 13 and a plastic cap 28 placed on the metal pot 13.
  • the roller bearing 14, which supports the metal pot 13 on the bearing section 12, comprises four ball bearings 15, 16, 17, 18, the inner ring of which is marked 19 and the outer ring of which is designated by 20 in each case.
  • Four rows of balls 21 roll between the eight bearing rings 19, 20 as rolling elements.
  • the roller bearing 14 is therefore a four-row bearing overall.
  • the metal pot 13 has centrally in its bottom, designated 24, a bore 23 in which the head of a screw 22 is arranged, which is screwed into the storage section 12. In normal operation of the shoe 1, a gap is formed between the head of the screw 22 and the wall of the bore 23, so that the entire rotary element 3 including the metal pot 13 can rotate freely.
  • the screw 22 has the function of a securing element, which, for example, when the rotating element 3 is pulled out of the workpiece 4, prevents components of the rolling bearing 14 from being pulled off the Lagerungsab section 12 or overloading components of the rolling bearing 14.
  • a cylindrical portion 25 adjoins the bottom 24 of the metal pot 13, a bevel 33 being formed between the bottom 24 and the cylindrical portion 25 on the outer circumference of the metal pot 13.
  • the latter On the open end face of the metal pot 13 opposite the bottom 24, the latter has a collar 26, that is to say flange, directed radially outwards. Between a designated 27 end face of the disc portion 11 and the collar 26, a gap is formed when the shoe 1 is operated as intended.
  • the outer diameter of the Kra gene 26 matches the outer diameter of the section 11 Scheibenab in the exemplary embodiment.
  • the wall thickness of the cylindrical section 25 is denoted by WM in FIG.
  • the plastic cap 28 placed on the metal pot 13 is shown in detail in FIGS.
  • the bottom of the plastic cap 28 is marked 29, a cylindrical section from which surrounds the metal pot 13 directly in the assembled state, denoted by 30.
  • a bevel 31 is formed between the bottom 29 and the cylindrical section 30.
  • the outer diameter of the collar 32 corresponds to the outer diameter of the collar 26.
  • the wall thickness of the cylindrical See section 30 of the plastic cap 28 is less than half the wall thickness WM of the metal pot 13.
  • the rolling bearing 14 extends in the axial direction, that is to say in the longitudinal direction of the central axis M, over more than half of the length of the multi-part rotary element 3, measured in the same direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Rolling Contact Bearings (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

L'invention concerne un dispositif destiné à l'usinage extérieur d'une pièce (4) par enlèvement de copeaux avec des arêtes de coupe non définies géométriquement, ledit dispositif comprenant un porte-pièce (1) qui est conçu pour presser une pièce à symétrie de révolution (4) contre un organe d'entraînement (7), le porte-pièce (1) comprenant un élément de maintien (2) sur lequel un élément à rotation (3) destiné à être introduit dans la pièce (4) est monté au moyen d'un montage sur roulements (14), et l'élément à rotation (3) comportant un capuchon en plastique (28) destiné à venir en contact avec la pièce (4).
PCT/DE2020/100585 2019-08-30 2020-07-03 Dispositif et procédé destinés à l'usinage extérieur d'une pièce par enlèvement de copeaux WO2021037299A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080053530.6A CN114173990B (zh) 2019-08-30 2020-07-03 用于进行工件的切削的外部加工的设备和方法
JP2022513395A JP7293501B2 (ja) 2019-08-30 2020-07-03 被加工物の外径切削加工のための装置および方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019123338.0A DE102019123338B4 (de) 2019-08-30 2019-08-30 Vorrichtung und Verfahren zur spanenden Außenbearbeitung eines Werkstücks
DE102019123338.0 2019-08-30

Publications (1)

Publication Number Publication Date
WO2021037299A1 true WO2021037299A1 (fr) 2021-03-04

Family

ID=71670024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2020/100585 WO2021037299A1 (fr) 2019-08-30 2020-07-03 Dispositif et procédé destinés à l'usinage extérieur d'une pièce par enlèvement de copeaux

Country Status (4)

Country Link
JP (1) JP7293501B2 (fr)
CN (1) CN114173990B (fr)
DE (1) DE102019123338B4 (fr)
WO (1) WO2021037299A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313963A (en) * 1942-05-11 1943-03-16 Patrick Joshua Tool
JPS4854191U (fr) * 1971-10-20 1973-07-12
DE2826169A1 (de) 1977-06-15 1979-02-15 Famir Int Spa Schleif- oder honmaschine zur bearbeitung der laufbahn von waelzlagerringen o.dgl.
DE3437113A1 (de) * 1984-09-17 1986-03-27 Keller, René, Dr., Bern Vorrichtung fuer die schleifbearbeitung der innenflaeche oder aussenflaeche eines ringfoermigen werkstueckes
DE102007054897B4 (de) 2007-11-15 2010-05-20 Thielenhaus Technologies Gmbh Vorrichtung zur mechanischen Finishbearbeitung von sphärischen Flächen an rotationssymmetrischen Werkstücken
DE102009040062A1 (de) 2009-09-07 2011-03-10 Thielenhaus Technologies Gmbh Vorrichtung zur Endbearbeitung ringförmiger Werkstücke, insbesondere von Lagerringen
DE102011087074A1 (de) 2011-11-25 2013-05-29 Bayerische Motoren Werke Aktiengesellschaft Honwerkzeug und Verfahren zum Honen mit dem Honwerkzeug
CN203253944U (zh) * 2013-05-10 2013-10-30 神华集团有限责任公司 一种多功能活顶尖
WO2017028855A1 (fr) 2015-08-17 2017-02-23 Schaeffler Technologies AG & Co. KG Procédé de fabrication de composants de palier au moyen d'une chaîne de production, chaîne de production et installation de production

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US3881887A (en) * 1973-12-19 1975-05-06 Mcmaster Harold Apparatus and method for grinding an elongated workpiece
JPH067885Y2 (ja) * 1988-04-05 1994-03-02 マツダ株式会社 研削盤の被加工物支持装置
JP4303348B2 (ja) 1999-02-24 2009-07-29 本田技研工業株式会社 円筒研削盤の心押台
JP3945560B2 (ja) 2000-02-03 2007-07-18 本田技研工業株式会社 円筒物加工装置及びワークの芯出し機構
DE10335376A1 (de) * 2003-07-28 2005-03-10 Supfina Grieshaber Gmbh & Co Vorrichtung zum Schleifen und/oder Finishen eines Werkstücks und Verfahren zum Betrieb der Vorrichtung
JP2006026831A (ja) 2004-07-20 2006-02-02 Unizone:Kk 薄肉円筒状被加工物の保持方法とコレット。
CN201070721Y (zh) * 2007-08-23 2008-06-11 洛阳轴研科技股份有限公司 一种胶木、合成树脂非金属材料保持器车加工专用模具
JP4176824B2 (ja) * 2008-04-21 2008-11-05 任天堂株式会社 ゲーム操作装置、ゲーム操作システム、およびゲームシステム
DE102013214240A1 (de) * 2013-07-22 2015-01-22 Schaeffler Technologies Gmbh & Co. Kg Propellerblattlagerung
CN203548562U (zh) * 2013-10-24 2014-04-16 无锡诚石轴承有限公司 汽车门导轮专用单列深沟球轴承
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CN205184521U (zh) * 2015-12-10 2016-04-27 云南合信源机床有限责任公司 一种外圆磨内驱动顶尖
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Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313963A (en) * 1942-05-11 1943-03-16 Patrick Joshua Tool
JPS4854191U (fr) * 1971-10-20 1973-07-12
DE2826169A1 (de) 1977-06-15 1979-02-15 Famir Int Spa Schleif- oder honmaschine zur bearbeitung der laufbahn von waelzlagerringen o.dgl.
DE3437113A1 (de) * 1984-09-17 1986-03-27 Keller, René, Dr., Bern Vorrichtung fuer die schleifbearbeitung der innenflaeche oder aussenflaeche eines ringfoermigen werkstueckes
DE102007054897B4 (de) 2007-11-15 2010-05-20 Thielenhaus Technologies Gmbh Vorrichtung zur mechanischen Finishbearbeitung von sphärischen Flächen an rotationssymmetrischen Werkstücken
DE102009040062A1 (de) 2009-09-07 2011-03-10 Thielenhaus Technologies Gmbh Vorrichtung zur Endbearbeitung ringförmiger Werkstücke, insbesondere von Lagerringen
DE102011087074A1 (de) 2011-11-25 2013-05-29 Bayerische Motoren Werke Aktiengesellschaft Honwerkzeug und Verfahren zum Honen mit dem Honwerkzeug
CN203253944U (zh) * 2013-05-10 2013-10-30 神华集团有限责任公司 一种多功能活顶尖
WO2017028855A1 (fr) 2015-08-17 2017-02-23 Schaeffler Technologies AG & Co. KG Procédé de fabrication de composants de palier au moyen d'une chaîne de production, chaîne de production et installation de production

Also Published As

Publication number Publication date
CN114173990B (zh) 2024-05-14
JP2022546075A (ja) 2022-11-02
DE102019123338B4 (de) 2022-06-15
JP7293501B2 (ja) 2023-06-19
DE102019123338A1 (de) 2021-03-04
CN114173990A (zh) 2022-03-11

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