EP1177067B1 - Verfahren zum schleifen von konvexen laufflächen und aussendurchmessern an wellenförmigen werkstücken in einer aufspannung sowie schleifmaschine zur durchführung des verfahrens - Google Patents

Verfahren zum schleifen von konvexen laufflächen und aussendurchmessern an wellenförmigen werkstücken in einer aufspannung sowie schleifmaschine zur durchführung des verfahrens Download PDF

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Publication number
EP1177067B1
EP1177067B1 EP00922668A EP00922668A EP1177067B1 EP 1177067 B1 EP1177067 B1 EP 1177067B1 EP 00922668 A EP00922668 A EP 00922668A EP 00922668 A EP00922668 A EP 00922668A EP 1177067 B1 EP1177067 B1 EP 1177067B1
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EP
European Patent Office
Prior art keywords
grinding
workpiece
grinding wheel
spindle
undulated
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.)
Expired - Lifetime
Application number
EP00922668A
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German (de)
English (en)
French (fr)
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EP1177067A1 (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
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Erwin Junker Maschinenfabrik GmbH
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Publication of EP1177067A1 publication Critical patent/EP1177067A1/de
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Publication of EP1177067B1 publication Critical patent/EP1177067B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/16—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged

Definitions

  • the invention relates to a method for grinding convex treads and outside diameters on shaft-shaped workpieces in one setup and a grinding machine for performing the method.
  • a universal grinding headstock is already known with the internal and external cylindrical grinding as well as the surface grinding of workpieces is possible in a single setup. This is at each end of the Each headstock has a separately driven grinding spindle.
  • the Grinding spindles carry different grinding wheels. By swiveling the Headstocks around a vertical axis can be optionally three different Position the grinding wheels on the workpiece, which means that the processes of the Have internal and external cylindrical grinding and face grinding carried out.
  • the grinding wheels provided in accordance with the known universal grinding headstock all have the usual shape of cylinder disks.
  • the well-known The machine is not intended for the operations of form grinding and is not suitable.
  • the two grinding spindles are driven directly Electric motors arranged on the headstock, which makes the headstock relatively becomes voluminous and collisions with the workpiece at certain Swivel positions can be done easily.
  • the invention is based on the object of a method for Grinding of convex treads and outer diameters on wave-shaped To create workpieces in one setup.
  • a method for Grinding of convex treads and outer diameters on wave-shaped To create workpieces in one setup.
  • should semi-ellipsoidal or paraboloidal treads are ground.
  • a special grinding machine with which the Disadvantages inherent in the prior art are eliminated. They are supposed to machining shaft parts in one setup with two CBN grinding wheels be ground to the finished product.
  • the method according to the invention is intended also with the help of the special grinding machine individual grinding operations enable on comparable workpieces.
  • the method for grinding shaft parts with convex, in particular semi-ellipsoidal or paraboloidal treads as well as desired exact outer diameters on shaft-shaped workpieces are made in one Clamping on a swiveling grinding headstock.
  • the Grinding headstock includes two arms that have an angle ⁇ , in particular 60 ° is, form and grinding spindles are provided at the free ends.
  • On one grinding spindle is a grinding wheel with at least one concave Side surface for producing a contour-conforming convex tread the shaft part to be machined and one on the other grinding spindle Grinding wheel for generating exact outer diameters on the machining shaft parts clamped.
  • the grinding processing of a undulating workpiece takes place in such a way that the workpiece which has a plane-side section with a large diameter, between the Tips of a workpiece headstock and a tailstock clamped as well is supported at the bearing points of the workpiece with steadies.
  • the opposite side surface of the Grinding wheel designed accordingly if on both sides of the wavy Workpiece section with large diameter to produce convex treads are.
  • the grinding wheel is concave in cross section by pivoting the Grinding headstock from the area of engagement with the wave-shaped Brought workpiece section.
  • the process of Grinding headstock in the X-axis the second grinding wheel against the The outer circumference of the wave-shaped workpiece section is adjusted by one grind exact diameter.
  • the workpiece is replaced by a Feed movement on the Z axis in the direction of the workpiece center axis moved to the infeed of the grinding wheel to create the second convex, especially semi-ellipsoidal or paraboloidal Tread of the undulating workpiece section with respect to the X axis to enable.
  • the second becomes concave, in particular semi-ellipsoidal or paraboloidal side surface of the first grinding wheel with the other side surface of the wavy workpiece section with the large diameter engaged to the second convex with which second concave side surface of the grinding wheel contour-conforming tread to create.
  • the grinding headstock on the X axis becomes the Area of the wavy workpiece section with the large diameter hazards.
  • a second grinding wheel on the other's grinding spindle Arm of the workpiece headstock is clamped and in relation to the arm with the spindle for the first grinding wheel an angle ⁇ , which is preferably 60 ° is, forms, is perpendicular to the longitudinal axis of the wavy workpiece delivered to the desired outside diameter on the corresponding Generate sections of the wavy workpiece.
  • a special grinding machine is suitable for executing the process whose machine bed has a workpiece headstock and one aligned in the longitudinal axis arranged tailstock are arranged, which the feed movement Realize according to the Z axis. Furthermore, in this area The steady rest can be adjusted against the bearing points of the workpiece intended.
  • Behind the arrangement of the workpiece headstock and tailstock a two-armed grinding headstock is provided, with each arm at the end is equipped with a grinding spindle for holding grinding wheels.
  • the Vertical lines intersect in the longitudinal axes of the two grinding spindles a plane at an angle ⁇ of preferably 60 ° in the pivot axis of the two-armed common grinding headstock with the two on it grinding spindles arranged at the ends and carrying the grinding wheel.
  • the grinding headstock can be pivoted in one plane, for example horizontally and can be fed vertically along the X axis to the Z axis.
  • This grinding machine allows the setting of optimal application positions for the Grinding wheels in relation to the workpiece to be machined.
  • the arrangement of the two-armed grinding headstock with the ends attached Grinding spindles for the first and second grinding wheels has the advantage that both Grinding spindles on a common guide to execute the Infeed movement are arranged according to the X axis.
  • This arrangement ensures very high stiffness values including the Grinding slide guide.
  • the high rigidity of the grinding headstock and the Guide system on the guide carriage by grinding in high accuracy values on the one created by grinding Final product. On the other hand, they add up when there are several clampings creeping dimensional inaccuracies until the end product is produced.
  • the high stiffness values of the guidance system therefore improve significantly the process reliability of the method and also bring about a reduction in Wear of the grinding wheels.
  • FIG. 1 shows the one to be used according to the method according to the invention Grinding machine A for grinding workpieces such as wavy ones Transmission parts.
  • Grinding machine A for grinding workpieces such as wavy ones Transmission parts.
  • On the machine bed 1 is a schematic in the front area Grinding table 2 arranged on which the feed movement according to the Z axis is executed along the double arrow. The CNC-controlled required for this Drive is not shown.
  • On the grinding table 2 are a motor driven workpiece headstock 3 and a tailstock 4 on one common longitudinal axis 5 aligned.
  • the finish to be sanded wavy workpiece 10 which is a section with a large Has diameter D is between the workpiece headstock 3 and Tailstock 4 clamped.
  • the workpiece headstock 3 has for this purpose a rotor-driven workpiece spindle 6, which in the front area has a workpiece holder 7 designed as a tip.
  • the opposite, on the grinding table 2 aligned tailstock 4 has a hydraulic axially displaceable tailstock quill 8.
  • This tailstock quill 8 has the workpiece-side end of a tailstock tip 9.
  • the longitudinal axis of the Workpiece spindle 6 of the workpiece headstock 3, the workpiece 10 and the Tailstock quill 8 of the tailstock 4 thus form a common, aligned Longitudinal axis 5.
  • a grinding headstock 20 In the rear area of the machine bed 1 is a grinding headstock 20 arranged, which is mounted on a guide carriage 21.
  • the Guide carriage 21 is equipped with a feed drive 22, which Infeed movement in the X axis relative to the workpiece 10 is realized.
  • the Guide carriage 21 is hydrostatically supported on guides 23 and aligned perpendicular to the workpiece center axis 5.
  • the guide carriage 21 is consequently slidably arranged according to the CNC axis.
  • the Grinding headstock 20 comprises two arms 24 and 25, each end with HF drive 26 and 27 equipped grinding spindles 28 and 29.
  • the of the longitudinal axes 31 and 32 of the grinding spindles 28 and 29 in one plane outgoing verticals intersect to form an angle ⁇ , for example at an angle ⁇ of 60 °, in the pivot axis 30 of the two Arms 24 and 25 of the grinding headstock 20.
  • the grinding headstock 20 can the angle ⁇ is continuously pivoted as far as the CNC axis be that depending on the area code one or the other longitudinal axis 31 or 32 of Grinding spindle 28 or 29 a position parallel to the longitudinal axis 5 of the workpiece 10 occupies.
  • Each grinding spindle 28, 29 has a grinding wheel 33, 34 fitted.
  • FIG. 2 is the clamping of a pre-ground with allowance a, wavy workpiece 10, the portion 40 with a large Has diameter shown.
  • the measurement is, for example, between 0.1 up to 0.2 mm.
  • the workpiece 10 is between the tip of the workpiece holder 7 the workpiece spindle 6 of the workpiece headstock 3 and the tailstock tip 9 the tailstock quill 8 of the tailstock 4 clamped.
  • Not in Fig. 2 illustrated positioning of the grinding wheels 33 and 34 and the Grinding spindles 28 and 29 can correspond to the position shown in FIG. 1.
  • Fig. 3 is the positioning of the first grinding wheel 33 and shown wavy workpiece 10 in a first method step, at which the longitudinal axis 32 of the grinding spindle 29 by an angle ⁇ with respect to Horizontal is inclined.
  • This angle ⁇ corresponds to that with the first Grinding wheel 33, which is a concave, in particular conical, semi-ellipsoidal or has a paraboloid-shaped side surface 35, achievable convex, in particular semi-ellipsoidal or paraboloidal tread 36 of Workpiece 10, the contour conform with the concave side surface 35th is.
  • the infeed of the first grinding wheel 33 follows the X axis while the feed movement via the Z axis with the aid of the guide slide 21 is performed.
  • the grinding wheel 33 which has two concave, in particular semi-ellipsoidal or paraboloidal side surfaces 35 and 35 ', pivoted in opposite directions by the angle ⁇ ', with corresponding infeed movement along the X axis and feed movement along the Z axis, the grinding wheel 33 with the side surface 35 'to produce the second convex, in particular semi-ellipsoidal or paraboloidal Tread 37 on the section with the large diameter D for use brought.
  • the special grinding machine which is equipped with a pivotable grinding headstock 20, the repeated clamping of wave-shaped workpieces for the purpose of production exact convex, semi-ellipsoidal or paraboloidal treads and exact outer diameter eliminated.
  • the inventive method and the special grinding machine A finished parts manufactured with high dimensional and shape accuracy because an addition of tension-related inaccuracies is excluded.
EP00922668A 1999-05-11 2000-04-27 Verfahren zum schleifen von konvexen laufflächen und aussendurchmessern an wellenförmigen werkstücken in einer aufspannung sowie schleifmaschine zur durchführung des verfahrens Expired - Lifetime EP1177067B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19921785A DE19921785B4 (de) 1999-05-11 1999-05-11 Verfahren zum Schleifen von konvexen Laufflächen und Außendurchmessern an Wellen mit wenigstens einem scheibenförmigen Wellenabschnitt sowie Schleifmaschine zur Durchführung des Verfahrens
DE19921785 1999-05-11
PCT/EP2000/003837 WO2000067947A1 (de) 1999-05-11 2000-04-27 Verfahren zum schleifen von konvexen laufflächen und aussendurchmessern an wellenförmigen werkstücken in einer aufspannung sowie schleifmaschine zur durchführung des verfahrens

Publications (2)

Publication Number Publication Date
EP1177067A1 EP1177067A1 (de) 2002-02-06
EP1177067B1 true EP1177067B1 (de) 2002-12-18

Family

ID=7907763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00922668A Expired - Lifetime EP1177067B1 (de) 1999-05-11 2000-04-27 Verfahren zum schleifen von konvexen laufflächen und aussendurchmessern an wellenförmigen werkstücken in einer aufspannung sowie schleifmaschine zur durchführung des verfahrens

Country Status (11)

Country Link
US (1) US6685536B1 (ja)
EP (1) EP1177067B1 (ja)
JP (1) JP4473457B2 (ja)
AU (1) AU4298400A (ja)
BR (1) BR0010489A (ja)
CA (1) CA2372659C (ja)
CZ (1) CZ294212B6 (ja)
DE (2) DE19921785B4 (ja)
ES (1) ES2185589T3 (ja)
RU (1) RU2247641C2 (ja)
WO (1) WO2000067947A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102039549A (zh) * 2009-10-19 2011-05-04 株式会社捷太格特 磨床

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GB2365806B (en) * 2000-06-21 2003-11-19 Unova Uk Ltd Grinding machine
DE10234707B4 (de) 2002-07-30 2007-08-02 Erwin Junker Maschinenfabrik Gmbh Verfahren und Vorrichtung zum Schleifen eines rotationssymmetrischen Maschinenbauteils
DE10235808B4 (de) * 2002-08-05 2009-08-20 Erwin Junker Maschinenfabrik Gmbh Verfahren und Vorrichtung zum Schleifen eines mit einer Längsbohrung versehenen rotationssymmetrischen Maschinenbauteils
DE102004057991B4 (de) 2004-12-01 2018-03-29 Tni Medical Ag Gehäuseschale, Laufrad sowie Seitenkanalverdichter
DE502008001096D1 (de) * 2008-11-05 2010-09-16 Supfina Grieshaber Gmbh & Co Finishmaschine mit einer Steinwendeeinheit
JP5505099B2 (ja) * 2010-06-04 2014-05-28 株式会社ジェイテクト 複合研削盤による研削方法
BE1019774A3 (nl) * 2011-01-24 2012-12-04 Atlas Copco Airpower Nv Werkwijze en slijpmachine voor het vervaardigen van een rotor voor een compressor.
CN102513886A (zh) * 2011-12-30 2012-06-27 中国科学院长春光学精密机械与物理研究所 一种双圆锥形金刚石光栅刻划刀具刃磨方法
CN103286664B (zh) * 2012-02-29 2017-05-31 上海运安制版有限公司 一种外圆和端面自动抛光机
US9498865B2 (en) * 2013-12-27 2016-11-22 United Technologies Corporation System and methods for rough grinding
DE102014203402B3 (de) * 2014-02-25 2015-07-09 Erwin Junker Maschinenfabrik Gmbh Schleifmaschine und verfahren zum schleifen von axialen bohrungen und beidseitig zu bearbeitende plane aussenflächen aufweisenden werkstücken
CN104290014B (zh) * 2014-09-30 2017-02-01 广东省自动化研究所 多角度自动抛光系统及其抛光方法
WO2016162979A1 (ja) * 2015-04-08 2016-10-13 三菱電機株式会社 研削加工方法及び研削装置
DE102016204273B4 (de) 2016-03-15 2023-11-30 Erwin Junker Maschinenfabrik Gmbh Verfahren zur schleif-komplettbearbeitung von wellenförmigen werkstücken mit zylindrischen und profilierten abschnitten
CN107639475A (zh) * 2016-07-22 2018-01-30 上海大松瓦楞辊有限公司 一种外圆磨实现自动磨抛物线中高曲线的装置
UA124899C2 (uk) * 2019-10-11 2021-12-08 Олексій Борисович Черенов Безцентровий круглошліфувальний верстат
CN112123026A (zh) * 2020-09-18 2020-12-25 三峡大学 一种轴体抛光系统及抛光方法
CN112139917B (zh) * 2020-09-21 2022-02-25 重庆工商大学 一种具有多角度移动的汽车车顶凹槽打磨加工生产设备
CN112873049A (zh) * 2021-04-29 2021-06-01 四川力源精工科技有限公司 一种磨削机构及复合磨床
CN112975695A (zh) * 2021-05-12 2021-06-18 四川力源精工科技有限公司 多功能数控复合磨床
CN113977430B (zh) * 2021-11-30 2023-04-25 中国航发中传机械有限公司 一种双磨料砂轮的磨削加工方法

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Publication number Priority date Publication date Assignee Title
CN102039549A (zh) * 2009-10-19 2011-05-04 株式会社捷太格特 磨床
CN102039549B (zh) * 2009-10-19 2014-07-23 株式会社捷太格特 磨床

Also Published As

Publication number Publication date
CA2372659A1 (en) 2000-11-16
ES2185589T3 (es) 2003-05-01
WO2000067947A1 (de) 2000-11-16
DE19921785B4 (de) 2005-11-24
DE19921785A1 (de) 2000-11-23
CZ20013992A3 (cs) 2002-08-14
CZ294212B6 (cs) 2004-10-13
JP4473457B2 (ja) 2010-06-02
DE50000975D1 (de) 2003-01-30
CA2372659C (en) 2008-03-18
BR0010489A (pt) 2002-02-13
RU2247641C2 (ru) 2005-03-10
US6685536B1 (en) 2004-02-03
EP1177067A1 (de) 2002-02-06
JP2002543991A (ja) 2002-12-24
AU4298400A (en) 2000-11-21

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