EP1039984B1 - Verfahren und vorrichtung zum schleifen von werkstücken mit zum schleifen zeitparalleler feinstbearbeitung - Google Patents

Verfahren und vorrichtung zum schleifen von werkstücken mit zum schleifen zeitparalleler feinstbearbeitung Download PDF

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Publication number
EP1039984B1
EP1039984B1 EP98948966A EP98948966A EP1039984B1 EP 1039984 B1 EP1039984 B1 EP 1039984B1 EP 98948966 A EP98948966 A EP 98948966A EP 98948966 A EP98948966 A EP 98948966A EP 1039984 B1 EP1039984 B1 EP 1039984B1
Authority
EP
European Patent Office
Prior art keywords
grinding
workpiece
unit
precision
working
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.)
Revoked
Application number
EP98948966A
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German (de)
English (en)
French (fr)
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EP1039984A1 (de
Inventor
Erwin Junker
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.)
Erwin Junker Maschinenfabrik GmbH
Original Assignee
Erwin Junker Maschinenfabrik GmbH
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Filing date
Publication date
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Application filed by Erwin Junker Maschinenfabrik GmbH filed Critical Erwin Junker Maschinenfabrik GmbH
Publication of EP1039984A1 publication Critical patent/EP1039984A1/de
Application granted granted Critical
Publication of EP1039984B1 publication Critical patent/EP1039984B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B33/00Honing machines or devices; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B35/00Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/01Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor for combined grinding of surfaces of revolution and of adjacent plane surfaces on work

Definitions

  • the invention relates to a method for grinding a workpiece the features according to the preamble of claim 1 and a device to carry out the method with the features according to the preamble of claim 4.
  • Finishing and finishing are usually two consecutive Operations on two specially designed machine tools.
  • the disadvantage here is that on the one hand the number of different Machine tools to a large extent to implement the production a certain component required capital expenditure increased and that on the other hand, the manufacturing costs for the component in question due to higher ones Lead times with intermediate transport operations as well increase.
  • Another disadvantage is that the re-clamping in the machine tool realizing the finest machining Errors can occur which are relevant to the required manufacturing tolerances to prove disadvantageous.
  • Honing is a cutting manufacturing process with bound grain for improvement or changing the shape, dimensional accuracy and surface quality of the workpiece, taking the tool constantly with the surface of the workpiece is engaged. Honing will generally follow a previous one Finishing, such as Grinding, used for finishing. In particular, the so-called short stroke honing is also called fine honing, finish processing or superfinishing, fine drawing or orbital grinding designated.
  • Machine tools for grinding and machine tools are known for example for superfinishing (see company brochure IMPCO Machine Tools, USA, 1994).
  • IMPCO Machine Tools USA, 1994.
  • the concept of two different machine tools for each Fine machining or fine machining also involves a considerable development effort.
  • the invention is therefore based on the object, a method and a To create a device for machining workpieces, by means of which or who processes the geometry of the workpiece with dimensional and shape accuracy, provided with the required surface quality and the manufacturing time and thus the unit costs of the workpiece can be significantly reduced.
  • the workpiece is clamped for machining and the geometry of the workpiece is ground to size and shape.
  • the geometry of the workpiece is ground to size and shape.
  • the invention becomes at least part of the surface of the workpiece at least sometimes finely machined parallel to grinding.
  • the finest machining is done by finishing.
  • the grinding and the fine machining take place on cylindrical and / or conical surface sections of the Workpiece.
  • the device used to carry out the method according to the invention for grinding a workpiece is especially for grinding of shaft parts, for example a gearbox.
  • the device has a workpiece headstock and a tailstock for clamping the Workpiece as well as a grinding unit.
  • the grinding unit is at least a grinding spindle, which a grinding wheel for grinding the Workpiece carries, provided.
  • the workpiece headstock and tailstock and / or the grinding unit are used to achieve the desired workpiece geometry generating relative grinding movement between the grinding unit and arranged in a controlled manner to move the workpiece.
  • the grinding unit and the fine machining unit preferably with respect to the workpiece longitudinal axis arranged essentially opposite each other, so that the workpiece is clamped between the two processing units.
  • This has the advantage that the grinding unit can move freely as well as the fine machining unit without mutual hindrance is.
  • a simultaneous grinding and fine machining of the workpiece essentially over the entire length of the workpiece.
  • the grinding unit and the fine machining unit preferably with respect to the workpiece longitudinal axis are arranged essentially on one side of the workpiece. This is advantageous, for example, if only part of the surface of the workpiece must be finely machined and the length of the machined Workpiece is large enough so that fine machining unit and Grinding unit during simultaneous engagement with the workpiece itself not hinder each other.
  • the grinding unit has a carrier which two grinding spindles each with at least one grinding wheel are pivotable and attached to a common feed axis that the grinding wheels can be brought into engagement with the workpiece one after the other are.
  • a grinding unit is especially useful if Different surface contours of the workpiece using the grinding unit are to be processed true to size and shape.
  • the fine machining unit is preferably a fine grinding unit or a Finishing unit trained. Both the fine grinding unit and the finishing unit are used to improve the surface quality of the workpiece or part of it To achieve the surface of this workpiece, which in the area of manufacturing processes commonly referred to as precision machining.
  • Fig. 1 is the top view of the device according to the invention shown a first embodiment.
  • a workpiece headstock 1 and a tailstock 2 Between a workpiece headstock 1 and a tailstock 2 is a workpiece 3 between centers 20, 21 clamped.
  • the longitudinal axis of the workpiece 3 is in alignment with the longitudinal axes of the spindles of the workpiece headstock 1 and Tailstock 2 aligned.
  • the workpiece headstock 1 and tailstock 2 are on a movable grinding table, not shown, along a CNC axis Z1 movably arranged.
  • a grinding headstock 23 On one side of the workpiece headstock / workpiece / tailstock arrangement a grinding headstock 23 is provided.
  • the grinding headstock 23 has a grinding spindle 14 with a Grinding wheel 15 on.
  • the grinding headstock 23 is with respect to an axis of movement X1 movable in the sense of an infeed to the workpiece 3 arranged.
  • the longitudinal axis of the grinding spindle 14 can be with respect to the axis of the workpiece can be arranged parallel or horizontally pivotable.
  • the Grinding headstock 23 can be moved in the direction of the Z1 axis.
  • the workpiece headstock 1 and tailstock 2 are on the Machine stand permanently installed.
  • Opposite to the grinding headstock 23 is a fine machining unit in a substantially horizontal plane 25 arranged.
  • this fine machining unit 25 By means of this fine machining unit 25, the surface of the workpiece 3 according to the shape, tolerance and surface requirements reworked, the fine machining parallel to the engagement of the Grinding wheel 15 can be carried out with the workpiece 3.
  • This fine machining unit 25 is, for example, with a superfinishing unit Mistake.
  • the fine machining unit 25 is at right angles along two CNC axes X2 and Z2 arranged to each other can be moved, see above that it can perform 23 independent movements from the grinding headstock.
  • This embodiment, in which the workpiece opposite the grinding unit 14, 15, 23 and the fine machining unit 25 are arranged have the advantage that essentially the entire surface of the Workpiece 3 ground with the grinding unit 14, 15, 23 and in parallel can be finely machined with the fine machining unit 25.
  • FIG. 2 shows the top view of the device according to the invention according to one second embodiment.
  • a device according to this embodiment is mainly used when the outer contour of the workpiece 3 must be processed with at least two grinding wheels.
  • This grinding headstock 24 carries two grinding spindles 12 in a common horizontal plane, 13, which is mounted at an angle to one another on the grinding headstock 24 are.
  • Each grinding spindle 12 or 13 carries one for a respective one Contour section of the workpiece provided and shaped grinding wheel.
  • the grinding headstock 24 is pivotable about point B, so that each the grinding wheel mounted on the grinding spindle1 12 according to the production sequence 5 or the grinding wheel 6 mounted on the grinding spindle 13 the workpiece 3 can be delivered.
  • the executable around the pivot axis B. Swiveling movement of the grinding headstock 24 is controlled hydraulically or CNC executed.
  • the fine machining unit 25 is arranged.
  • the controlled movements of the grinding unit 12, 13, 24, the fine machining unit 25 and the factory rear headstock / workpiece / tailstock arrangement are analogous to those in connection with the embodiment according to Fig. 1 described.
  • the grinding spindle 12 of the grinding headstock 24 is in engagement with the workpiece 3 for grinding a conical contour 4 by means of the Grinding wheel 5.
  • both grinding headstock 24 and fine machining unit 25 are not shown.
  • Fig. 2b is the infeed of both the grinding spindle 13 with the grinding wheel 6 of the grinding headstock 24 as well as the fine machining unit 25 with a finishing stone 9 to the workpiece 3.
  • a cylindrical pin 7 is ground on the workpiece 3.
  • the conical contour 4 of the workpiece 3 is simultaneously finishing processing subjected to the surface quality by means of the finishing stone 9 increase.
  • the use of such a finishing stone is above all then advantageous if there are high load-bearing components in relation to the surface quality the workpiece surface to be achieved.
  • Fig. 3 shows the top view of the device according to the invention third embodiment.
  • both the grinding unit 14, 15 and the fine machining unit 25 on one Side of the workpiece headstock / workpiece / tailstock arrangement provided.
  • Both the grinding unit 14, 15 and the fine machining unit 25 can be moved along the respective axes X1, Z1 or X2, Z2 under CNC control. This makes it possible to use the grinding wheel 15 and the fine stone 9 at least partially on at least part of the surface of the workpiece parallel to grinding and fine machining to the workpiece 3 to be delivered.
  • Relative movement between the grinding wheel or the finishing stone 9 and the workpiece 3 is a movement of the grinding unit 14, 15 along the axes X1, Z1 or the fine machining unit 25 along of the axes X2, Z2 possible, and the workpiece headstock / workpiece / tailstock arrangement is firmly attached to a machine stand.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
EP98948966A 1997-12-18 1998-09-11 Verfahren und vorrichtung zum schleifen von werkstücken mit zum schleifen zeitparalleler feinstbearbeitung Revoked EP1039984B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19756610 1997-12-18
DE19756610A DE19756610A1 (de) 1997-12-18 1997-12-18 Verfahren und Vorrichtung zum Schleifen von Werkstücken mit zum Schleifen zeitparaller Feinstbearbeitung
PCT/EP1998/005808 WO1999032258A1 (de) 1997-12-18 1998-09-11 Verfahren und vorrichtung zum schleifen von werkstücken mit zum schleifen zeitparaller feinstbearbeitung

Publications (2)

Publication Number Publication Date
EP1039984A1 EP1039984A1 (de) 2000-10-04
EP1039984B1 true EP1039984B1 (de) 2003-03-05

Family

ID=7852571

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98948966A Revoked EP1039984B1 (de) 1997-12-18 1998-09-11 Verfahren und vorrichtung zum schleifen von werkstücken mit zum schleifen zeitparalleler feinstbearbeitung

Country Status (12)

Country Link
US (1) US6431954B1 (ko)
EP (1) EP1039984B1 (ko)
JP (1) JP2001526120A (ko)
KR (1) KR100553409B1 (ko)
CN (1) CN100366384C (ko)
BR (1) BR9814312A (ko)
CA (1) CA2315930C (ko)
CZ (1) CZ294498B6 (ko)
DE (2) DE19756610A1 (ko)
ES (1) ES2190608T3 (ko)
SK (1) SK284498B6 (ko)
WO (1) WO1999032258A1 (ko)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19919893A1 (de) * 1999-04-30 2000-11-09 Junker Erwin Maschf Gmbh Vor- und Fertigschleifen einer Kurbelwelle in einer Aufspannung
DE19921785B4 (de) * 1999-05-11 2005-11-24 Erwin Junker Maschinenfabrik Gmbh Verfahren zum Schleifen von konvexen Laufflächen und Außendurchmessern an Wellen mit wenigstens einem scheibenförmigen Wellenabschnitt sowie Schleifmaschine zur Durchführung des Verfahrens
US6648727B1 (en) * 1999-09-14 2003-11-18 R. Warren Aldridge, Jr. CNC dual workhead chucker grinder
GB2357719B (en) 1999-10-27 2003-06-04 Unova Uk Ltd Grinding machine having two wheels
JP2003245855A (ja) * 2001-12-17 2003-09-02 Seiko Instruments Inc センタ支持研削方法、センタ支持研削盤およびそのセンタの芯出し方法
JP3990181B2 (ja) * 2002-04-15 2007-10-10 Ntn株式会社 動圧型軸受装置の製造方法
DE10308292B4 (de) * 2003-02-26 2007-08-09 Erwin Junker Maschinenfabrik Gmbh Verfahren zum Rundschleifen bei der Herstellung von Werkzeugen aus Hartmetall und Rundschleifmaschine zum Schleifen von zylindrischen Ausgangskörpern bei der Herstellung von Werkzeugen aus Hartmetall
EP1475186B1 (de) * 2003-05-07 2005-09-21 HTT Hauser Tripet Tschudin AG Verfahren und Vorrichtung zum Rundschleifen
DE50301869D1 (de) * 2003-08-14 2006-01-12 Supfina Grieshaber Gmbh & Co Werkzeug zum spanabhebenden Bearbeiten von Lagerstellen von Wellen
US7021990B2 (en) 2003-08-19 2006-04-04 Htt Hauser Tripet Tschudin Ag Method and apparatus for circular grinding
US7029366B2 (en) 2004-08-17 2006-04-18 Htt Hauser Tripet Tschudin Ag Method and apparatus for abrasive circular machining
KR100623971B1 (ko) * 2005-01-07 2006-09-20 주식회사 이스텍 스풀가공용 초정밀 가공장치
JP5058460B2 (ja) * 2005-07-11 2012-10-24 Ntn株式会社 研磨装置付き旋盤及びこれを用いて行う軸状ワークの加工方法
JP4779611B2 (ja) * 2005-12-02 2011-09-28 三菱マテリアル株式会社 表面被覆切削インサートの製造方法
DE102008009124B4 (de) * 2008-02-14 2011-04-28 Erwin Junker Maschinenfabrik Gmbh Verfahren zum Schleifen von stabförmigen Werkstücken und Schleifmaschine
DE102008010245B4 (de) * 2008-02-20 2011-02-10 Emag Holding Gmbh Verfahren zum Schleifen wellenförmiger Werkstücke
US8727831B2 (en) * 2008-06-17 2014-05-20 General Electric Company Method and system for machining a profile pattern in ceramic coating
CN101758450B (zh) * 2008-10-16 2012-10-31 北京金自天成液压技术有限责任公司 多功能珩磨头
IT1403602B1 (it) * 2010-12-22 2013-10-31 Tenova Spa Metodo per il posizionamento di cilindri operativi su di una macchina rettificatrice e macchina rettificatrice che attua tale metodo
JP5260812B1 (ja) * 2012-05-15 2013-08-14 日鍛バルブ株式会社 丸棒材の両端面加工方法
CN102886732A (zh) * 2012-09-18 2013-01-23 苏州市三峰印刷机械有限公司 一种磨轮装置
DE102015010942B4 (de) * 2015-08-18 2023-11-09 Emag Holding Gmbh Verfahren und Vorrichtung zur Schleif- und Feinstbearbeitung
US9879536B2 (en) 2015-12-21 2018-01-30 General Electric Company Surface treatment of turbomachinery
US10384326B2 (en) 2015-12-21 2019-08-20 General Electric Company Surface treatment of turbomachinery
DE102016204273B4 (de) * 2016-03-15 2023-11-30 Erwin Junker Maschinenfabrik Gmbh Verfahren zur schleif-komplettbearbeitung von wellenförmigen werkstücken mit zylindrischen und profilierten abschnitten
CN107243786A (zh) * 2016-03-28 2017-10-13 沈阳海默数控机床有限公司 一种圆柱状工件外表面的磨削装置
CN107336132A (zh) * 2017-08-25 2017-11-10 四川峨胜水泥集团股份有限公司 风机主轴轴承位在线加工结构
CN107363687B (zh) * 2017-09-01 2023-05-05 贵阳天龙摩擦材料有限公司 平面及内外弧磨床及其磨削方法
CN108655881A (zh) * 2018-05-15 2018-10-16 芜湖杰诺科技有限公司 一种阀门用弹性夹紧端面圆打磨装置
CN109202558A (zh) * 2018-09-25 2019-01-15 天通银厦新材料有限公司 一种蓝宝石晶棒高效型外表面打磨装置
KR102146809B1 (ko) 2019-04-17 2020-08-21 에스엠에스비 주식회사 하이드로 작동유 공급장치
CN111230672B (zh) * 2020-01-13 2021-09-03 圣达电气有限公司 一种高性能阴极辊离线研磨机
CN111482862B (zh) * 2020-04-30 2021-11-19 湖北隐冠轴业有限公司 一种批量打磨装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2333041A1 (de) * 1973-06-29 1975-01-23 Karstens Georg Messgeraete Universalschleifspindelstock
US3881887A (en) * 1973-12-19 1975-05-06 Mcmaster Harold Apparatus and method for grinding an elongated workpiece
DE2714222C2 (de) * 1977-03-30 1984-04-19 Supfina Maschinenfabrik Hentzen Kg, 5630 Remscheid Verfahren und Maschine zum Schleifen der Anlaufbunde der Innenringe von Kegelrollenlagern
US4930265A (en) * 1984-08-28 1990-06-05 Schaudt Maschinenbau Gmbh Thread grinding method and machine
DE3724698A1 (de) * 1987-07-25 1989-02-02 Schaudt Maschinenbau Gmbh Schleifkopf
FR2671504B1 (fr) 1991-01-11 1993-04-30 Pineau Eric Machine d'usinage par abrasif de pieces cylindriques.
DE4101150A1 (de) * 1991-01-14 1992-07-16 Zittau Tech Hochschule Verfahren und vorrichtung zum schleifen von oberflaechen, insbesondere fuer den industrierobotereinsatz
DE4227315C2 (de) * 1991-08-19 1995-03-09 Grieshaber Masch Maschine zum Schleifen, Kurzhubhonen und Polieren der Außenoberfläche von Werkstücken
JP3158760B2 (ja) * 1993-02-26 2001-04-23 豊田工機株式会社 研削方法

Also Published As

Publication number Publication date
JP2001526120A (ja) 2001-12-18
US6431954B1 (en) 2002-08-13
KR100553409B1 (ko) 2006-02-20
KR20010033336A (ko) 2001-04-25
ES2190608T3 (es) 2003-08-01
CN1284022A (zh) 2001-02-14
WO1999032258A1 (de) 1999-07-01
EP1039984A1 (de) 2000-10-04
DE59807412D1 (de) 2003-04-10
SK284498B6 (sk) 2005-05-05
CZ294498B6 (cs) 2005-01-12
CN100366384C (zh) 2008-02-06
DE19756610A1 (de) 1999-07-01
CA2315930C (en) 2006-10-31
BR9814312A (pt) 2001-11-27
SK9052000A3 (en) 2001-10-08
CA2315930A1 (en) 1999-07-01
CZ20002125A3 (en) 2001-05-16

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