DE102004052342A1 - Undulated work piece sharpening method, involves synchronously engaging sharpening and support units at surface of workpiece and setting sharpening and support units in direction orthogonal to longitudinal axis of workpiece - Google Patents

Undulated work piece sharpening method, involves synchronously engaging sharpening and support units at surface of workpiece and setting sharpening and support units in direction orthogonal to longitudinal axis of workpiece Download PDF

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Publication number
DE102004052342A1
DE102004052342A1 DE200410052342 DE102004052342A DE102004052342A1 DE 102004052342 A1 DE102004052342 A1 DE 102004052342A1 DE 200410052342 DE200410052342 DE 200410052342 DE 102004052342 A DE102004052342 A DE 102004052342A DE 102004052342 A1 DE102004052342 A1 DE 102004052342A1
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Germany
Prior art keywords
workpiece
grinding
support element
sharpening
units
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Ceased
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DE200410052342
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German (de)
Inventor
Norbert HESSBRÜGGEN
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EMAG Holding GmbH
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EMAG Maschinenfabrik GmbH
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Priority to DE200410052342 priority Critical patent/DE102004052342A1/en
Priority to DE202004021661U priority patent/DE202004021661U1/en
Publication of DE102004052342A1 publication Critical patent/DE102004052342A1/en
Ceased legal-status Critical Current

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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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
    • B24B47/206—Drives or gearings; Equipment therefor relating to feed movement for centreless grinding machines; for machines comprising work supports, e.g. steady rests
    • 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
    • B24B5/04—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 cylindrical surfaces externally
    • B24B5/047—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 cylindrical surfaces externally of workpieces turning about a vertical axis

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The method involves synchronously engaging sharpening units (14, 14`) and a support unit (20) at a surface of a workpiece. The units (14, 14`, 20) are set in a direction orthogonal to a longitudinal axis of the workpiece. The units (14, 14`, 20) and workpiece accomplish a relative movement in the axis direction. Direction of rotation of sharpening wheels (13, 13`) is directed such that the workpiece is pressed against the unit (20). An independent claim is also included for a device for executing a method for sharpening an undulated workpiece.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Schleifen eines wellenförmigen, an beiden Enden eingespannten Werkstücks, mit einem Werkstückspindelstock und einem Reitstock, zwischen denen das Werkstück einspannbar ist, mit mindestens zwei Schleifeinheiten.The The invention relates to a method and a device for grinding a wavy, clamped workpiece at both ends, with a workpiece headstock and a tailstock, between which the workpiece is clamped, with at least two grinding units.

Eine derartige Schleifmaschine ist aus der DE 4 29 989 C1 bekannt. Bei dieser bekannten Schleifmaschine sind zwei Schleifeinheiten zum Grob- und Feinschleifen vorgesehen. Aus der GB 5 44 213 ist eine Außenrundschleifmaschine mit vertikaler Hauptspindel zur Fertigbearbeitung wellenförmiger Werkstücke bekannt.Such a grinding machine is from the DE 4 29 989 C1 known. In this known grinding machine, two grinding units are provided for coarse and fine grinding. From the GB 5 44 213 is an external cylindrical grinding machine with a vertical main spindle for finishing wavy workpieces known.

Es ist die Aufgabe der vorliegenden Erfindung ein Schleifverfahren mit verkürzter Bearbeitungszeit für die Werkstücke anzugeben und eine Vorrichtung zur Durchführung des Verfahrens aufzuzeigen.It the object of the present invention is a grinding method with shortened Processing time for the workpieces specify and show a device for carrying out the method.

Gelöst wird diese Aufgabe durch ein Verfahren nach Anspruch 1 und eine Vorrichtung nach Anspruch 7.Is solved This object is achieved by a method according to claim 1 and a device according to claim 7.

Der Kerngedanke der Erfindung besteht darin das Werkstück zwischen zwei gegenüberliegenden Schleifeinheiten anzuordnen und gleichzeitig durch ein Stützelement abzustützen. Bei dieser Anordnung heben sich die Normalkomponenten der Zerspankräfte gegenseitig auf und die tangential auf das Werkstück einwirkenden Zerspankräfte werden vom Stützelement aufgenommen. Lediglich die in Richtung der Werkstücklängsachse wirkenden Kräfte werden durch Werkstückspindel- und Reitstock kompensiert. Durch die symmetrische Anordnung und das gleichförmige Zustellen der Schleifeinheiten und des Stützelements kann die Werkstückdurchbiegung vernachlässigt werden. Auf diese Weise sind hohe Zustellgeschwindigkeiten möglich und die Bearbeitungszeit für die Werkstücke kann deutlich verkürzt werden. Bei einer vorteilhaften Ausführung werden vor dem Schleifvorgang die Durchmesser der Schleifscheiben und des zu bearbeitenden Werkstücks bestimmt und der erforderliche Zustellweg zur Erzielung eines vorgegebenen Werkstückdurchmessers berechnet. Anschließend werden die Schleifscheiben und das Stützelement entsprechend zugestellt. Bei Bedarf können zur Erzielung eines gewünschten Schleifergebnisses zusätzliche Relativbewegungen zwischen Werkstück und Schleifeinheiten in Richtung der Werkstücklängsachse ausgeführt werden.Of the Core idea of the invention is the workpiece between two opposite To arrange grinding units and at the same time by a support element support. In this arrangement, the normal components of Zerspankräfte cancel each other on and the tangential forces acting on the workpiece Zerspankräfte be of the support element added. Only in the direction of the workpiece longitudinal axis acting forces become by workpiece spindle and tailstock compensated. Due to the symmetrical arrangement and the uniform Delivering the grinding units and the support element, the workpiece deflection can be neglected. In this way, high delivery speeds are possible and the processing time for the workpieces can be shortened significantly. In an advantageous embodiment Before grinding, the diameter of the grinding wheels and the workpiece to be machined determined and the required delivery route to achieve a predetermined Workpiece diameter calculated. Subsequently the grinding wheels and the support element are delivered accordingly. If necessary you can to achieve a desired Grinding result additional Relative movements between workpiece and grinding units in Direction of the workpiece longitudinal axis be executed.

1 zeigt eine Schleifmaschine mit zwei Schleifeinheiten in einer schematischen Vorderansicht 1 shows a grinding machine with two grinding units in a schematic front view

2 zeigt ausschnittsweise die Schleifeinheiten mit dem Stützelement von oben gesehen 2 shows a detail of the grinding units with the support element seen from above

1 zeigt eine Schleifmaschine mit einem am Maschinengestell 1 ortsfest hängend angeordneten Werkstückspindelstock 2. Der Reitstock 5 kann zum Spannen unterschiedlich langer Werkstücke 4 entlang von Führunesbahnen 9 bewegt werden. Der Reitstock 5 kann aber auch hängend und die Werkstückspindel 2 stehend angeordnet sein. Das Werkstück 4 ist an seinem oberen Ende im Spannfutter 3 des Werkstückspindelstocks 2 eingespannt und wird am unteren Ende durch den Reitstock 5 abgestützt. Die beiden Schleifeinheiten 14, 14' sind auf gegenüberliegenden Seiten des Werkstücks 4 angeordnet. Sie sind jeweils über Schlitten horizontal und vertikal verfahrbar. Die Schleifscheiben 13, 13', werden von den Werkzeugspindeln 12, 12' angetrieben. Die Kreuzschlitten bestehen aus jeweils über vertikale Führungsbahnen 7, 7' verschiebbar geführten und motorisch verfahrbaren Vertikalschlitten 6, 6' sowie motorisch verfahrbaren Horizontalschlitten 8, 8', die über horizontale Führungsbahnen 19, 19' beweglich sind. Das Stützelement 20 ist ebenfalls auf einem Vertikalschlitten 18 auf Führungen 9 beweglich geführt und kann zusammen mit den Schleifeinheiten 14, 14' am Werkstück 4 positioniert werden. Links von der Schleifmaschine befindet sich die als Magazin ausgebildete Werkstückzuführung 22 mit unbearbeiteten Werkstücken 4. Analog dazu befindet sich auf der rechten Maschinenseite die Werkstückablage 23 zur Aufnahme der fertig bearbeiteten Werkstücke. 1 shows a grinding machine with one on the machine frame 1 fixedly suspended arranged workpiece headstock 2 , The tailstock 5 can be used to clamp workpieces of different lengths 4 along Führunesbahnen 9 to be moved. The tailstock 5 but can also be hanging and the workpiece spindle 2 be arranged standing. The workpiece 4 is at its upper end in the chuck 3 of the workpiece spindle 2 clamped and is at the bottom by the tailstock 5 supported. The two grinding units 14 . 14 ' are on opposite sides of the workpiece 4 arranged. They can each be moved horizontally and vertically by carriages. The grinding wheels 13 . 13 ' , are from the tool spindles 12 . 12 ' driven. The cross slides each consist of vertical guideways 7 . 7 ' slidably guided and motorized vertical slide 6 . 6 ' as well as motorized horizontal slides 8th . 8th' , which have horizontal guideways 19 . 19 ' are mobile. The support element 20 is also on a vertical slide 18 on guided tours 9 movably guided and can together with the grinding units 14 . 14 ' on the workpiece 4 be positioned. To the left of the grinding machine is formed as a magazine workpiece feed 22 with unprocessed workpieces 4 , Similarly, the workpiece tray is located on the right side of the machine 23 for receiving the finished workpieces.

2 zeigt einen Ausschnitt der Schleifmaschine von oben gesehen. Auf beiden Seiten des Werkstücks 4 sind die Schleifscheiben 13, 13' symmetrisch zur Werkstückmitte angeordnet. Der Drehsinn der Schleifscheiben 13, 13' ist so gerichtet, dass das Werkstück 4 durch die beim Zerspanen auftretenden Kräfte gegen den Stößel 21 am Stützelement 20 gepresst wird. Der Vertikalschlitten 13 nimmt das Stützelement 20 auf. Im Stützelement 20 kann der Stößel 21 in einer Richtung orthogonal zur Längsachse des Werkstücks 4 bewegt werden. Vor dem Schleifvorgang werden die Durchmesser der Schleifscheiben 13, 13' und des unbearbeiteten Werkstücks 4 bestimmt. Anhand dieser Daten wird der erforderliche Zustellweg zur Erzielung des gewünschten Werkstückdurchmessers berechnet. Anschließend werden die Schleifscheiben 13, 13' und das Stützelement 20 mit dem Stößel 21 derart zugestellt, dass sie während des Schleifvorgangs gleichzeitig auf das Werkstück 4 einwirken. Durch die Symmetrie der Schleifscheiben 13, 13' zur Längsachse 15 heben sich die Normalkomponenten der Zerspankräfte gegenseitig auf und durch die Positionierung des Stößels 21 auf einer Symmetrielinie des Werkstücks 4 werden die in tangentialer Richtung auf das Werkstück 4 einwirkenden Kräfte aufgehoben. Daraus resultiert eine vernachlässigbare Durchbiegung des Werkstücks und durch die deutlich höheren Zustellgeschwindigkeiten sind bei verbesserter Fertigungsqualität erheblich verkürzte Bearbeitungszeiten für die Werkstücke möglich. 2 shows a section of the grinding machine seen from above. On both sides of the workpiece 4 are the grinding wheels 13 . 13 ' arranged symmetrically to the workpiece center. The sense of rotation of the grinding wheels 13 . 13 ' is directed so that the workpiece 4 by the forces occurring during cutting against the plunger 21 on the support element 20 is pressed. The vertical slide 13 takes the support element 20 on. In the support element 20 can the plunger 21 in a direction orthogonal to the longitudinal axis of the workpiece 4 to be moved. Before grinding, the diameter of the grinding wheels 13 . 13 ' and the unprocessed workpiece 4 certainly. Based on this data, the required feed path to achieve the desired workpiece diameter is calculated. Subsequently, the grinding wheels 13 . 13 ' and the support element 20 with the pestle 21 delivered so that they simultaneously on the workpiece during the grinding process 4 act. Due to the symmetry of the grinding wheels 13 . 13 ' to the longitudinal axis 15 to lift the normal components of Zerspankräfte each other and by the positioning of the plunger 21 on a symmetry line of the workpiece 4 be in the tangential direction of the workpiece 4 suspended forces. This results in a negligible deflection of the workpiece and the significantly higher delivery speeds significantly improved processing times for the workpieces are possible with improved manufacturing quality.

11
Maschinengestellmachine frame
22
WerkstückspindelstockWorkhead
33
Spannfutterchuck
44
Werkstückworkpiece
55
Reitstocktailstock
6, 6'6 6 '
Vertikalschlittenvertical slide
7, 7'7, 7 '
Führungsbahnenguideways
8, 8'8th, 8th'
Horizontalschlittenhorizontal slide
99
Führungsbahnenguideways
10, 10'10 10 '
Führungsbahnenguideways
11, 11'11 11 '
Schwenklagerpivot bearing
12, 12'12 12 '
Spindelspindle
13, 13'13 13 '
Schleifscheibegrinding wheel
14, 14'14 14 '
Schleifeinheitgrinding unit
1515
Längsachselongitudinal axis
1818
Vertikalschlittenvertical slide
19, 19'19 19 '
Führungsbahnenguideways
2020
Stützelementsupport element
2121
Stößeltappet
2222
WerkstückzuführungWorkpiece feed
2323
WerkstückablageWorkpiece staging

Claims (10)

Verfahren zum Schleifen von wellenförmigen Werkstücken (4), bei welchem das Werkstück (4) an den Enden eingespannt wird und während des Schleifens um seine Längsachse (15) in Rotation versetzt wird, mit mindestens zwei Schleifeinheiten (14, 14'), dadurch gekennzeichnet, dass an der zu schleifenden Werkstückoberfläche zumindest teilweise die Schleifeinheiten (14, 14') und ein Stützelement (20) gleichzeitig in Eingriff sind.Method for grinding wave-shaped workpieces ( 4 ), in which the workpiece ( 4 ) is clamped at the ends and during grinding around its longitudinal axis ( 15 ) is rotated, with at least two grinding units ( 14 . 14 ' ), characterized in that on the workpiece surface to be ground at least partially the grinding units ( 14 . 14 ' ) and a support element ( 20 ) are engaged simultaneously. Verfahren nach Anspruch 1 dadurch gekennzeichnet, dass die Schleifeinheiten (14, 14') und das Stützelement (20) jeweils in einer Richtung orthogonal zur Längsachse (15) des Werkstücks (4) zugestellt werden.Method according to claim 1, characterized in that the grinding units ( 14 . 14 ' ) and the support element ( 20 ) in each case in a direction orthogonal to the longitudinal axis ( 15 ) of the workpiece ( 4 ) be delivered. Verfahren nach Anspruch 1 oder 2 dadurch gekennzeichnet, dass die Schleifeinheiten (14, 14'), das Stützelement (20) und/oder das Werkstück (4) eine Relativbewegung in Richtung der Längsachse (15) des Werkstücks (4) durchführen.Method according to claim 1 or 2, characterized in that the grinding units ( 14 . 14 ' ), the support element ( 20 ) and / or the workpiece ( 4 ) a relative movement in the direction of the longitudinal axis ( 15 ) of the workpiece ( 4 ) carry out. Verfahren nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Schleifeinheiten (14, 14') und das Stützelement (20) auf an einer Umfangslinie des Werkstücks (4) liegende Flächen einwirken.Method according to claim 2 or 3, characterized in that the grinding units ( 14 . 14 ' ) and the support element ( 20 ) on a circumferential line of the workpiece ( 4 ) acting surfaces. Verfahren nach Anspruch 1 bis 4, dadurch gekennzeichnet, dass der Drehsinn der Schleifscheiben (13, 13') so gerichtet ist, dass das Werkstück (4) durch die Zerspankräfte gegen das Stützelement (20) gepresst wird.A method according to claim 1 to 4, characterized in that the direction of rotation of the grinding wheels ( 13 . 13 ' ) is directed so that the workpiece ( 4 ) by the Zerspankräfte against the support element ( 20 ) is pressed. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass vor dem Schleifvorgang die Durchmesser der Schleifscheiben (13, 13') und des unbearbeiteten Werkstücks (4) bestimmt, der erforderliche Zustellweg zur Erzielung eines vorgegebenen Werkstückdurchmessers berechnet und die Schleifscheiben (13, 13') und das Stützelement (20) entsprechend zugestellt werden.A method according to claim 4, characterized in that prior to the grinding process, the diameter of the grinding wheels ( 13 . 13 ' ) and the unprocessed workpiece ( 4 ), the required feed path to obtain a predetermined workpiece diameter calculated and the grinding wheels ( 13 . 13 ' ) and the support element ( 20 ) are delivered accordingly. Vorrichtung, insbesondere zur Durchführung des Verfahrens nach Anspruch 1 bis 6, zum Schleifen von wellenförmigen Werkstücken (4), welche einen Werkstückspindelstock (2) und einen Reitstock (5) zum Einspannen des Werkstückes (4) sowie mindestens zwei Schleifeinheiten (14, 14') mit je einer eine Schleifscheibe (13, 13') tragenden Spindel (12, 12') zum Schleifen der Werkstücke (4') aufweist, wobei der Werkstückspindelstock (2) und der Reitstock (5) und/oder die Schleifeinheiten (14, 14') zur Erzielung einer die gewünschte Werkstückgeometrie erzeugenden Schleifrelativbewegung zwischen den Schleifeinheiten (14, 14') und dem Werkstück (4) gesteuert beweglich angeordnet sind, dadurch gekennzeichnet, dass zwischen den Schleifeinheiten (14, 14') ein Stützelement (20) angeordnet ist.Device, in particular for carrying out the method according to claims 1 to 6, for grinding wavy workpieces ( 4 ), which a workpiece headstock ( 2 ) and a tailstock ( 5 ) for clamping the workpiece ( 4 ) and at least two grinding units ( 14 . 14 ' ) with one grinding wheel each ( 13 . 13 ' ) carrying spindle ( 12 . 12 ' ) for grinding the workpieces ( 4 ' ), wherein the workpiece headstock ( 2 ) and the tailstock ( 5 ) and / or the grinding units ( 14 . 14 ' ) for achieving a grinding relative movement between the grinding units that generates the desired workpiece geometry ( 14 . 14 ' ) and the workpiece ( 4 ) are movably arranged, characterized in that between the grinding units ( 14 . 14 ' ) a support element ( 20 ) is arranged. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Schleifeinheiten (14, 14') im wesentlichen einander gegenüberliegend mit dem Werkstück (4) dazwischen angeordnet und zusammen mit dem Stützelement (20) jeweils in einer Richtung im wesentlichen orthogonal zur Längsachse (15) des Werkstücks (4) zustellbar sind.Apparatus according to claim 7, characterized in that the grinding units ( 14 . 14 ' ) substantially opposite each other with the workpiece ( 4 ) arranged therebetween and together with the support element ( 20 ) in each case in a direction substantially orthogonal to the longitudinal axis ( 15 ) of the workpiece ( 4 ) are deliverable. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der Reitstock (5) am Maschinengestell (1) beweglich geführt und der Werkstückspindelstock (2) ortsfest angeordnet ist oder umgekehrt, und dass die Schleifeinheiten (14, 14') und das Stützelement (20) jeweils in zwei zueinander orthogonalen Richtungen beweglich am Maschinengestell (1) geführt sind.Device according to claim 8, characterized in that the tailstock ( 5 ) on the machine frame ( 1 ) and the workpiece headstock ( 2 ) is fixed or vice versa, and that the grinding units ( 14 . 14 ' ) and the support element ( 20 ) in each case in two mutually orthogonal directions movable on the machine frame ( 1 ) are guided. Vorrichtung nach Anspruch 7 bis 9, dadurch gekennzeichnet, dass der Werkstückspindelstock (2) und der Reitstock (5) derart angeordnet sind, dass die Spindelachse vertikal verläuft.Apparatus according to claim 7 to 9, characterized in that the workpiece headstock ( 2 ) and the tailstock ( 5 ) are arranged such that the spindle axis extends vertically.
DE200410052342 2004-10-27 2004-10-27 Undulated work piece sharpening method, involves synchronously engaging sharpening and support units at surface of workpiece and setting sharpening and support units in direction orthogonal to longitudinal axis of workpiece Ceased DE102004052342A1 (en)

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DE200410052342 DE102004052342A1 (en) 2004-10-27 2004-10-27 Undulated work piece sharpening method, involves synchronously engaging sharpening and support units at surface of workpiece and setting sharpening and support units in direction orthogonal to longitudinal axis of workpiece
DE202004021661U DE202004021661U1 (en) 2004-10-27 2004-10-27 synchronous grinding machine

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Cited By (9)

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DE102007023894A1 (en) * 2007-05-23 2008-11-27 Robert Bosch Gmbh Device for circular grinding of section of component, has large length to diameter ratio, and component is held outside working section along axis of rotation between two holding devices
DE102008045843A1 (en) 2008-09-05 2010-03-11 Emag Holding Gmbh Grinding machine for grinding wave-shaped workpiece, has measuring devices movable with grinding unit by carriage, and loading and unloading device movable with another grinding unit by another carriage
DE102008045842A1 (en) 2008-09-05 2010-03-11 Emag Holding Gmbh Method for grinding wavy workpiece, involves holding workpiece between two points, where support element and grinding spindle stems are in contact with workpiece, and spindle motor drives one point, where another point displaces workpiece
DE102008055795A1 (en) 2008-11-04 2010-05-06 Helmut Schuster Grinding machine, particularly vertical grinding machine, has measuring device and workpiece spindle unit with clamping device for clamping workpiece, where fist grinding unit is provided for grinding workpiece
EP2218545A1 (en) 2009-02-13 2010-08-18 Supfina Grieshaber GmbH & Co. KG Device and method for fine processing of a rotation-symmetric workpiece surface
US8574031B2 (en) 2009-08-25 2013-11-05 Emag Holding Gmbh Method of and apparatus for grinding cylindrical and curved surfaces
EP2762253B1 (en) 2013-01-30 2017-11-29 MAG IAS GmbH Machine tool for machining workpieces
CN109129088A (en) * 2018-09-14 2019-01-04 谢森涛 A kind of hardware stamping part burr processing equipment
CN116871986A (en) * 2023-08-10 2023-10-13 无锡市科之鑫机械科技有限公司 Numerically controlled grinder with automatic fixing function

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023894A1 (en) * 2007-05-23 2008-11-27 Robert Bosch Gmbh Device for circular grinding of section of component, has large length to diameter ratio, and component is held outside working section along axis of rotation between two holding devices
DE102008045843A1 (en) 2008-09-05 2010-03-11 Emag Holding Gmbh Grinding machine for grinding wave-shaped workpiece, has measuring devices movable with grinding unit by carriage, and loading and unloading device movable with another grinding unit by another carriage
DE102008045842A1 (en) 2008-09-05 2010-03-11 Emag Holding Gmbh Method for grinding wavy workpiece, involves holding workpiece between two points, where support element and grinding spindle stems are in contact with workpiece, and spindle motor drives one point, where another point displaces workpiece
DE102008045842B4 (en) * 2008-09-05 2012-07-12 Emag Holding Gmbh Method and grinding machine for grinding elongate workpieces
DE102008055795A1 (en) 2008-11-04 2010-05-06 Helmut Schuster Grinding machine, particularly vertical grinding machine, has measuring device and workpiece spindle unit with clamping device for clamping workpiece, where fist grinding unit is provided for grinding workpiece
EP2218545A1 (en) 2009-02-13 2010-08-18 Supfina Grieshaber GmbH & Co. KG Device and method for fine processing of a rotation-symmetric workpiece surface
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EP2762253B1 (en) 2013-01-30 2017-11-29 MAG IAS GmbH Machine tool for machining workpieces
CN109129088A (en) * 2018-09-14 2019-01-04 谢森涛 A kind of hardware stamping part burr processing equipment
CN116871986A (en) * 2023-08-10 2023-10-13 无锡市科之鑫机械科技有限公司 Numerically controlled grinder with automatic fixing function
CN116871986B (en) * 2023-08-10 2024-02-27 无锡市科之鑫机械科技有限公司 Numerically controlled grinder with automatic fixing function

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