CN101920474A - The work piece holder that is used for surface grinding machine - Google Patents

The work piece holder that is used for surface grinding machine Download PDF

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Publication number
CN101920474A
CN101920474A CN2010102030272A CN201010203027A CN101920474A CN 101920474 A CN101920474 A CN 101920474A CN 2010102030272 A CN2010102030272 A CN 2010102030272A CN 201010203027 A CN201010203027 A CN 201010203027A CN 101920474 A CN101920474 A CN 101920474A
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CN
China
Prior art keywords
work piece
piece holder
holder
accommodation section
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.)
Pending
Application number
CN2010102030272A
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Chinese (zh)
Inventor
托尔斯滕·贝格曼
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
Original Assignee
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
Publication of CN101920474A publication Critical patent/CN101920474A/en
Pending 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/04—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a rotary work-table
    • 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
    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The present invention relates to a kind of work piece holder (10) that is used for surface grinding machine, it has: the work piece holder axis (12) at center, and described work piece holder (10) can rotatably be driven around described work piece holder axis (12); At least one is used to hold the workpiece accommodation section (26) of at least one workpiece (32); At least two holder part that can move relative to each other (18,20), described holder part (18,20) limits the border of described at least one workpiece accommodation section (26) jointly, and described holder part (18,20) can be fixing relative to each other by means of jockey.

Description

The work piece holder that is used for surface grinding machine
Technical field
The present invention relates to a kind of work piece holder that is used for surface grinding machine, surface grinding machine work piece holder especially, it has: the work piece holder axis at center, work piece holder can rotatably be driven around described work piece holder axis; At least one is used to hold the workpiece accommodation section of at least one workpiece.
Background technology
Being used for the task that the work piece holder of surface grinding machine has is, holding workpiece and workpiece is converted in the processing district of surface grinding machine from the assembly area of surface grinding machine.In the processing district of surface grinding machine, at least one grinding tool be contained in the workpiece accommodation section on or the surface plane grinding of interior work piece holder engage.
Because workpiece and work piece holder associated movement are in the grinding slit, described grinding slit can be relatively little, for example less than about 3cm, so the stability of relative flat workpieces anchor clamps has been proposed high request.Therefore, the work piece holder that starts described type is made by hard relatively material usually, so that under the situation of the low strength of materials of work piece holder, also reach high relatively deformation drag.But what need for the high-precision flat surface grinding processing of workpiece is that at least one workpiece as far as possible seamlessly is installed on the workpiece accommodation section.This causes the workpiece accommodation section also must make with low tolerance, and the manufacturing of known work piece holder expends relatively and costliness.
Because described relation, also unprocessed workpiece proposes high request to tolerance, so these workpiece can cooperate with the workpiece accommodation section of workpiece in seamless as far as possible unoccupied place.
Summary of the invention
The objective of the invention is to thus, a kind of work piece holder is provided, avoid above-mentioned shortcoming by described work piece holder.
According to the present invention, this purpose is achieved by at least two holder part that can move relative to each other in the work piece holder of the described type of beginning, described holder part limits the border of at least one workpiece accommodation section jointly, and described holder part can be fixing relative to each other by means of jockey.
Work piece holder permission according to the present invention can limit the border of at least one workpiece accommodation section with changing, makes the workpiece accommodation section to be complementary with the shape of workpiece.This allows the tolerance of the crude workpiece of compensation.In addition, still particularly advantageous is that the border that can limit the workpiece accommodation section allows to hold the workpiece of different size with changing, makes the work piece holder of basic invention be suitable for the workpiece of different size.This makes for the workpiece of different size, not for another example from prior art known must provide special work piece holder respectively like that.On the contrary, can utilize according to work piece holder of the present invention so that use its at least one workpiece accommodation section, make the workpiece of different size can be fixed on this workpiece accommodation section or in.Can make in addition that the quantity of ready work piece holder reduces to minimum in fabrication region.Therefore reduce acquisition cost, and can be used in and expending of work piece holder is installed diminishes.
In addition, work piece holder according to the present invention allows to be used for first workpiece size, is retained on the surface grinding machine under confined state then, and can be complementary with second workpiece size.Therefore, reduce the lay day at the surface grinding machine duration of work.
Work piece holder comprises at least two holder part that can move relative to each other, and described holder part forms at least a portion on the border of at least one workpiece accommodation section respectively.By the motion relative to each other of holder part, change the shape and/or the size of workpiece accommodation section.Be used for workpiece to be processed when the motion relative to each other by holder part is adjusted to the shape and size of workpiece accommodation section best, holder part can be fixing relative to each other by means of jockey under this state.
Particularly advantageous is that holder part can be rotated relative to each other, thereby allows the especially simply coupling of the size and dimension of workpiece accommodation section.
Advantageously, holder part can make holder part to be provided with concentrically with respect to one another respectively around the work piece holder axis rotation at center, and especially can motion relative to each other in the support plane that is parallel to each other.
Advantageously, holder part limits the border of a plurality of workpiece accommodation section respectively, makes a plurality of workpiece accommodation section to be contained on the work piece holder.In this case, different workpiece accommodation sections are complementary with predetermined workpiece size in the motion by holder part aspect its shape and size simultaneously.
Propose according to form of implementation of the present invention, at least two edges in a plurality of workpiece accommodation section separate in the same manner with respect to the radial direction of axis of workpiece.This allows to be clamped in workpiece on the workpiece accommodation section along the processing district of identical movement locus guiding by surface grinding machine.
When the instrument accommodation section separates in a circumferential direction relative to each other in the same manner, for all are clamped in the uniform processing of the workpiece on the work piece holder, drive work piece holder equably, for example continuously or with the stepping working method along direction of rotation.
Propose according to form of implementation of the present invention, at least one in the holder part has the border, workpiece accommodation section in the circumference closure.Therefore improve the mechanical stability of this holder part.
According to another form of implementation of the present invention, at least one in the holder part has the border, workpiece accommodation section at the circumference opening, thereby allows the especially simply coupling in particular for the size and dimension of workpiece accommodation section with circular geometry.
When radially outward pointing to, can use this border, workpiece accommodation section, so that workpiece radially outward presses the border of radially inwardly pointing to, workpiece accommodation section of another holder part on the border, workpiece accommodation section of circumference opening.This allows workpiece to be clamped on the work piece holder especially reliably with respect to the desirable radial distance of work piece holder axis.
Preferably, holder part is extended in the plane of movement that is parallel to each other, and makes support can constitute the disc that can relatively simply make respectively.Especially advantageously, holder part is adjoined mutually, the feasible mutual directed parallel that allows holder part.
Another form of implementation of the present invention proposes, and at least one in the holder part has at least one workpiece accommodation section boundary element, and described instrument accommodation section boundary element is charged in the plane of movement of another holder part.This allow to enlarge the acting surface on border, workpiece accommodation section, thereby reaches minimizing on border, workpiece accommodation section be clamped in the local contact force that occurs between the workpiece on the work piece holder.In addition, at least one workpiece accommodation section boundary element plays the effect of abrasion protection.
At least one workpiece accommodation section boundary element for example can constitute integratedly with holder part, perhaps can be provided with dividually.The workpiece accommodation section boundary element that separates so especially removably is connected with holder part, especially by spiral connecting piece, make at least one workpiece accommodation section element to be disassembled, and can enough same sizes and/or workpiece accommodation section shape or that have different size and/or shape boundary element substitute.
In addition advantageously, holder part is installed in each other mutually and goes up, the feasible possible relative position that pre-determines between the holder part.
In addition preferably, jockey is arranged to and work piece holder axis conllinear.This allows fixing in the scope of the work piece holder axis at center relative to each other of holder part.This allows especially fixing reliably under the situation of thin plate-like holder part.
In addition preferably, jockey forms by means of the fastener that is used to make work piece holder to be fixed on the rotating driving device of surface grinding machine.Therefore, can save the jockey that branch is arranged, and utilize the fastener that is used for fixing work piece holder on the surface grinding machine Already in.
In addition, the present invention relates to a kind of surface grinding machine, biplane grinding machine especially, it has above-mentioned work piece holder.
Description of drawings
Other features and advantages of the present invention are the theme of the accompanying drawing of the explanation below of preferred embodiment and drafting.Shown in the drawings:
Fig. 1 illustrates the vertical view of the form of implementation of the work piece holder that is used for surface grinding machine;
Fig. 2 illustrates the side view along the cross section of representing with II-II according to the work piece holder of Fig. 1 in Fig. 1;
Fig. 3 illustrates the sectional view of jockey, can fix relative to each other according to the holder part of the work piece holder of Fig. 1 by means of described jockey;
Fig. 4 illustrates the vertical view of another form of implementation of the work piece holder that is used for surface grinding machine; And
Fig. 5 illustrates the side view along the cross section of representing with V-V according to the work piece holder of Fig. 4 in Fig. 4.
The specific embodiment
The form of implementation of the work piece holder of representing with Reference numeral 10 generally shown in Figure 1.Work piece holder 10 has the work piece holder axis 12 at center, and work piece holder 10 can be driven rotatably around described work piece holder axis.Work piece holder 10 has and is used to make work piece holder to be fixed on fastening part 14 on the rotating driving device of surface grinding machine.Fastening part 14 especially constitutes the punch format that is provided with one heart with respect to work piece holder axis 12.
Work piece holder 10 has disk shape, especially disc-shape.The diameter of work piece holder 10 for example is at least about 50cm.On the contrary, work piece holder 10 little with 16 thickness of representing in Fig. 2, and for example the highest 2cm that is approximately.
Work piece holder 10 has the holder part of two plate-likes, i.e. first holder part 18 and second holder part 20.On the use location of work piece holder 10, above holder part 18 for example is arranged on, and below second holder part 20 is arranged on.
Holder part 18 and 20 is moved in the plane of movement 22 or 24 that is parallel to each other.Holder part 18 and 20 can be around 12 rotations of work piece holder axis in their plane of movement that is associated 22 and 24.
As shown in FIG. 2, when the strength of materials of following holder part 20 during greater than top holder part 18, following holder part 20 has higher deformation drag, and therefore is formed for the bearing on the plane of thin top holder part 18.
Work piece holder 10 has a plurality of workpiece accommodation section 26, and described workpiece accommodation section has identical radial distance with respect to work piece holder axis 12.In addition, workpiece accommodation section 26 separates in a circumferential direction relative to each other in the same manner.
Holder part 18 and 20 has border, workpiece accommodation section respectively, and border, described workpiece accommodation section forms by means of the through hole in holder part 18 and 20.First holder part 18 has the border, workpiece accommodation section 28 in the circumference closure, and as shown in the figure, border, described workpiece accommodation section 28 for example is fan-shaped.Second holder part 20 has border, a plurality of workpiece accommodation section 30 equally, border, described workpiece accommodation section preferably equally basically fan constitute.
Border, workpiece accommodation section 28 and 30 is overlapped, makes in the overlapping region, sees along the vertical view of work piece holder 10, forms through hole, can accommodate the workpiece of representing with hacures in Fig. 1 32 in described through hole.Workpiece 32 is along extending at least one that exceeds in holder part 18 and 20 with respect to work piece holder axis 12 parallel directions.
By the rotatability relative to each other of holder part 18 and 20, can infinitely regulate size by border, workpiece accommodation section 28 and the 30 common workpiece accommodation sections 26 that form.
In addition, first holder part 18 has workpiece accommodation section boundary element 33, and described workpiece accommodation section boundary element is charged in the plane of movement 24 of second holder part 20, and extends in the space that centers on by border, workpiece accommodation section 30.The connector 34 of the form of workpiece accommodation section boundary element 33 by having spiral connecting piece 36 removably is connected with first holder part 18.
Workpiece accommodation section boundary element 33 is used for along the boundary member 38 that prolongs the border, workpiece accommodation section 28 of first holder part 18 with respect to work piece holder axis 12 parallel directions.For this reason, workpiece accommodation section boundary element 33 has boundary face 40.
In the embodiment shown, the position of workpiece accommodation section boundary element 33 pre-determines by the hole 42 in first holder part 18.In the unshowned in the drawings alternative form of implementation, the position of workpiece accommodation section boundary element 33 can be regulated with respect to first holder part 18, for example by using slotted hole.
The border, workpiece accommodation section 30 of second holder part 20 has holding portion 44, and the described accommodation section is divided and the shape of workpiece accommodation section boundary element 33 is complementary.
Regulate relative to each other when holder part 18 and 20, when making the size of workpiece accommodation section 26 maximum, workpiece accommodation section boundary element 33 can be contained in the holding portion 44.
Holder part 18 and 20 can be fixed relative to each other by jockey shown in Figure 3 46.Fastener 46 preferably constitutes with the form of fastener 48, and by means of described fastener, work piece holder 10 is connected with rotating driving device 50 nothings of surface grinding machine with relatively rotating.
Rotating driving device 50 comprises driving shaft 52, and described driving shaft is connected with housing parts 56 nothings by clamping device 54 with relatively rotating.Driving shaft 52 is connected with bolt 60 by threaded portion 58, and described bolt passes the fastening part 14 of work piece holder 10.The end away from rotating driving device 50 of bolt 60 is connected with hydraulic pressure clamp nut 62.Clamp nut 62 works by fastening lock 64 and the end face by 66 pairs of holder part 18 of spacer ring.
Housing parts 56 has the flange 68 of shoulder shape, and spacer ring 70 is installed on described flange.Another spacer ring 72 is installed on spacer ring 70.
Work piece holder 10 clamps between the isolated component 66 and 72 on being arranged on of the work piece holder side respect to one another together with its holder part 18 and 20.Therefore rotatablely moving of driving shaft 52 can be delivered on the work piece holder 10 on the one hand.Therefore can reach relative to each other fixing of holder part 18 and 20 on the other hand.
Aim at work piece holder axis 12 for the rotation that reaches drive unit 50, be provided with centering ring 74, described centering ring 74 is installed on the fastening lock 64, and contacts with the fastening part 14 of work piece holder 10.
In addition, in order to protect clamping device 54, be provided with annular sealing 76.
Another form of implementation at work piece holder shown in the Figure 4 and 5 10.Different with above-mentioned work piece holder 10, have the 3rd holder part 78 according to the work piece holder 10 of Figure 4 and 5, described holder part constitutes plate-like equally.The 3rd holder part 78 for example is arranged between first holder part 18 and second holder part 20.
Holder part 18,20 and 78 can center on work piece holder axis 12 rotations at center relative to each other.Holder part 18 and 78 is installed on the holder part 20.For this reason, holder part 20 has the circular depressions 82 of bag shape, accommodates holder part 18 and 78 in described recess.
Second holder part 20 has the border, workpiece accommodation section 30 in the circumference closure.First holder part 18 have radially inner sensing on the border, workpiece accommodation section 28 of circumference opening, border, described workpiece accommodation section sees in the vertical view of work piece holder 10, extends towards work piece holder axis 12 flute profiles ground.
The 3rd support element 78 have equally radially inwardly point to and at the workpiece accommodation section of circumference opening space boundary 80.
Workpiece accommodation section space boundary 28,30 and 80 extends in the plane that is offset mutually with respect to work piece holder axis 12.Described workpiece accommodation section space boundary forms each workpiece accommodation section 26 jointly.Workpiece 32 with circular external shape especially just can be fixed in each workpiece accommodation section reliably.In this case, having different workpiece workpiece 32 partly is close on all borders, workpiece accommodation section 28,30 and 80.In this case, workpiece 32 radially outward is pressed against on the part of radially inwardly pointing on border, workpiece accommodation section 30 by border, workpiece accommodation section 28 and 80.
In addition, for the work piece holder 10 that relates to the Figure 4 and 5 explanation, reference is according to the above-mentioned explanation of the work piece holder 10 of Fig. 1 and 3.
Work piece holder 10 according to Fig. 1 to 3 is suitable for the workpiece 32 that dihedral limits, for example rectangle or square part particularly well.The part that is suitable for the clamping circle at the work piece holder shown in the Figure 4 and 5 10 particularly well.
Possible is that work piece holder 10 does not just have two or three holder part, but has four or more a plurality of holder part.

Claims (15)

1. work piece holder (10) that is used for surface grinding machine has: the work piece holder axis (12) at center, and described work piece holder (10) can be driven rotatably around described work piece holder axis (12); At least one is used to hold the workpiece accommodation section (26) of at least one workpiece (32), it is characterized in that, at least two holder part that can move relative to each other (18,20,78) limit the border of described at least one workpiece accommodation section (26) jointly, and described holder part (18,20,78) can be fixing relative to each other by means of jockey (46).
2. work piece holder as claimed in claim 1 (10) is characterized in that, described holder part (18,20,78) can be rotated relative to each other.
3. each described work piece holder (10) in the claim as described above is characterized in that described holder part (18,20,78) can be respectively around described work piece holder axis (12) rotation.
4. each described work piece holder (10) in the claim as described above is characterized in that described holder part (18,20,78) limits the border of a plurality of workpiece accommodation section (26) respectively.
5. work piece holder as claimed in claim 4 (10) is characterized in that, at least two edges in described a plurality of workpiece accommodation sections (26) separate in the same manner with respect to the radial direction of described work piece holder axis (12).
6. as claim 4 or 5 described work piece holders (10), it is characterized in that described workpiece accommodation section (26) separates in a circumferential direction relative to each other in the same manner.
7. each described work piece holder (10) in the claim as described above is characterized in that at least one in the described holder part (18,20) has the border, workpiece accommodation section (28,30) in the circumference closure.
8. each described work piece holder (10) in the claim as described above is characterized in that at least one in the described holder part (78) has the border, workpiece accommodation section (80) at the circumference opening.
9. work piece holder as claimed in claim 8 (10) is characterized in that, described border, workpiece accommodation section (80) at the circumference opening is radially outward pointed to.
10. each described work piece holder (10) in the claim as described above is characterized in that described holder part (18,20) is extended in the plane of movement that is parallel to each other (22,24).
11. each described work piece holder (10) in the claim as described above, it is characterized in that, in the described holder part at least one (18) has at least one workpiece accommodation section boundary element (33), and described workpiece accommodation section boundary element (33) is charged in the plane of movement (24) of another holder part (20).
12. each described work piece holder (10) in the claim is characterized in that as described above, described holder part (18,20,78) is installed in each other mutually and goes up.
13. each described work piece holder (10) in the claim is characterized in that as described above, described jockey (46) is arranged to and described work piece holder axis (12) conllinear.
14. each described work piece holder (10) in the claim as described above, it is characterized in that described jockey (46) forms by means of the fastener (48) that is used to make described work piece holder (10) to be fixed on the rotating driving device (50) of surface grinding machine.
15. a surface grinding machine comprises as described above each described work piece holder (10) in the claim.
CN2010102030272A 2009-06-10 2010-06-10 The work piece holder that is used for surface grinding machine Pending CN101920474A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09007670A EP2260974B1 (en) 2009-06-10 2009-06-10 Workpiece holder for a surface grinding machine
EP09007670.4 2009-06-10

Publications (1)

Publication Number Publication Date
CN101920474A true CN101920474A (en) 2010-12-22

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Application Number Title Priority Date Filing Date
CN2010102030272A Pending CN101920474A (en) 2009-06-10 2010-06-10 The work piece holder that is used for surface grinding machine

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EP (1) EP2260974B1 (en)
CN (1) CN101920474A (en)
AT (1) ATE497856T1 (en)
DE (1) DE502009000369D1 (en)
ES (1) ES2357796T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103466106A (en) * 2013-08-29 2013-12-25 北京兴华机械厂 Tool and method for adjusting mounting accuracy of flexible pendulous accelerometer
CN104108056A (en) * 2014-07-04 2014-10-22 德昌电机（南京）有限公司 Chord grinding machine
CN104142347A (en) * 2014-07-21 2014-11-12 重庆颖泉标准件有限公司 Part indexing rotary disc of standard fastener detection device
CN108655952A (en) * 2018-04-27 2018-10-16 苏州富强科技有限公司 A kind of microscope carrier mechanism for upper lower groove of polishing

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DE425457C (en) * 1923-05-01 1926-02-20 Hitzemann & Sielemann Fa Workpiece holder for machines for simultaneous double-sided machining of workpieces
DE2551804C3 (en) * 1975-11-14 1978-08-10 Angis-Anstalt, Mauren (Liechtenstein) Device for chamfering or sharpening of workpieces, each consisting of a cylindrical shaft with a head
PL118226B1 (en) * 1978-07-27 1981-09-30 Osrodek Badawczo Rozwojowy Prz Method of and apparatus for feeding and chucking workpieces in rotary disks of multi-spindle machine toolsv v povorotnojj shajjbe mnogoshpindel'nykh stankov
DE2900009A1 (en) 1979-01-02 1980-07-10 Hugo Beck Machine tool workpiece loading device - automatically centres workpieces between sliding jaws of clamp
US4388989A (en) * 1981-07-23 1983-06-21 Hoppmann Corporation Continuous rotary method of transporting articles
DE10345335B4 (en) * 2003-09-22 2012-04-26 Supfina Grieshaber Gmbh & Co. Kg Surface grinding machine and method for controlling
DE102006044687A1 (en) * 2006-09-21 2008-03-27 Peter Wolters Ag Rotor disk for machine tool, has toothing at periphery for engaging in gear ring or pin rim of machine tool, where disk is provided with set of boreholes lying parallel with each other in area of retention holes

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103466106A (en) * 2013-08-29 2013-12-25 北京兴华机械厂 Tool and method for adjusting mounting accuracy of flexible pendulous accelerometer
CN103466106B (en) * 2013-08-29 2015-07-08 北京兴华机械厂 Tool and method for adjusting mounting accuracy of flexible pendulous accelerometer
CN104108056A (en) * 2014-07-04 2014-10-22 德昌电机（南京）有限公司 Chord grinding machine
CN104108056B (en) * 2014-07-04 2016-08-24 德昌电机（南京）有限公司 Chord length grinding machine
CN104142347A (en) * 2014-07-21 2014-11-12 重庆颖泉标准件有限公司 Part indexing rotary disc of standard fastener detection device
CN108655952A (en) * 2018-04-27 2018-10-16 苏州富强科技有限公司 A kind of microscope carrier mechanism for upper lower groove of polishing
CN108655952B (en) * 2018-04-27 2023-08-25 苏州富强科技有限公司 Carrier mechanism for polishing upper and lower groove bodies

Also Published As

Publication number Publication date
EP2260974A1 (en) 2010-12-15
ES2357796T3 (en) 2011-04-29
EP2260974B1 (en) 2011-02-09
ATE497856T1 (en) 2011-02-15
DE502009000369D1 (en) 2011-03-24

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Application publication date: 20101222