JPS63201048U - - Google Patents

Info

Publication number
JPS63201048U
JPS63201048U JP9004787U JP9004787U JPS63201048U JP S63201048 U JPS63201048 U JP S63201048U JP 9004787 U JP9004787 U JP 9004787U JP 9004787 U JP9004787 U JP 9004787U JP S63201048 U JPS63201048 U JP S63201048U
Authority
JP
Japan
Prior art keywords
donut
radius
core
disk substrate
shaped disk
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.)
Granted
Application number
JP9004787U
Other languages
Japanese (ja)
Other versions
JPH0546845Y2 (en
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 filed Critical
Priority to JP9004787U priority Critical patent/JPH0546845Y2/ja
Publication of JPS63201048U publication Critical patent/JPS63201048U/ja
Application granted granted Critical
Publication of JPH0546845Y2 publication Critical patent/JPH0546845Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図と第2図は本考案に係る研削具の構造例
を示す縦断面図であり、このうち、第1図は被加
工物であるドーナツ型デイスク基板に対しての研
削作業に入る前の両者の位置関係を、第2図は研
削時における両者の位置関係をそれぞれ示す。第
3図は装置全体の位置関係を示す説明図、第4図
は従来装置の説明図である。 1……天板部、2……シヤンク部、3……周壁
部、4……コア部、5……内周面、6……第1砥
石部、6a……垂直面、6b,6c……傾斜面、
7……第2砥石部、7a……垂直面、7b,7c
……傾斜面、8……中心通路、9……分岐路、1
0……通孔、11……仕切板、12……仕切空間
、13……通孔、14……分岐路、15……液溜
部、16……底部、17……スリツト、18……
開口面、19……排水口、20……チヤツク、2
1……外周縁、22……内周縁、23……円孔、
24……吸着テーブル、25……吸引孔、D……
ドーナツ型デイスク基板。
Figures 1 and 2 are longitudinal cross-sectional views showing an example of the structure of the grinding tool according to the present invention, of which Figure 1 is before starting the grinding work on the donut-shaped disk substrate that is the workpiece. FIG. 2 shows the positional relationship between the two during grinding. FIG. 3 is an explanatory diagram showing the positional relationship of the entire device, and FIG. 4 is an explanatory diagram of a conventional device. DESCRIPTION OF SYMBOLS 1...Top plate part, 2...Shank part, 3...Peripheral wall part, 4...Core part, 5...Inner peripheral surface, 6...First grindstone part, 6a...Vertical surface, 6b, 6c... ...slanted surface,
7...Second whetstone part, 7a...Vertical surface, 7b, 7c
... Sloped surface, 8 ... Center passage, 9 ... Branch road, 1
0...Through hole, 11...Partition plate, 12...Partition space, 13...Through hole, 14...Branch path, 15...Liquid reservoir, 16...Bottom, 17...Slit, 18...
Opening surface, 19...Drain port, 20...Chick, 2
1...Outer peripheral edge, 22...Inner peripheral edge, 23...Circular hole,
24... Suction table, 25... Suction hole, D...
Donut-shaped disk board.

Claims (1)

【実用新案登録請求の範囲】 円形の天板部と、この天板部の上面中心部に立
設したシヤンク部とからなり、前記天板部におけ
る周縁下側部には周壁部を、下面中心部にはコア
部をそれぞれ垂設し、周壁部の内周面とコア部の
外周面とには、相対向させて被加工物であるドー
ナツ型デイスク基板を研削するための第1砥石部
と第2砥石部とを周設し、 コア部における第2砥石部までの半径をr、 周壁部における第1砥石部までの半径をr、 コア部の外周最大半径をr、 周壁部の内周最小半径をr、 ドーナツ型デイスク基板の内周半径をr、 ドーナツ型デイスク基板の外周半径をr、 とするとき、 r<r<r,r>r>r であつて、 r+r=r+r となるようにして形成するとともに、 第1砥石部近傍の天板部には冷却液の通孔を設
け、第2砥石部近傍の天板部にはコア部を介して
供給される冷却液のための液溜部をコア部近傍の
底部にスリツトを設けることで形成したことを特
徴とするドーナツ型デイスク基板の内外周研削具
[Claims for Utility Model Registration] Consisting of a circular top plate and a shank part standing upright at the center of the upper surface of the top plate. A core part is provided vertically in each part, and a first grinding wheel part for grinding a donut-shaped disk substrate, which is a workpiece, is provided on the inner circumferential surface of the peripheral wall part and the outer circumferential surface of the core part, facing each other. A second whetstone part is provided around the core part, a radius of the core part to the second whetstone part is r 1 , a radius of the peripheral wall part to the first whetstone part is r 2 , a maximum radius of the outer periphery of the core part is r 3 , a peripheral wall part When the minimum inner radius of the donut-shaped disk substrate is r 4 , the inner radius of the donut-shaped disk substrate is r 5 , and the outer radius of the donut-shaped disk substrate is r 6 , r 1 < r 3 < r 5 , r 2 > r 4 > r 6 , and r 1 + r 2 = r 5 + r 6. At the same time, a cooling liquid passage hole is provided in the top plate near the first grinding wheel, and a hole near the second grinding wheel is formed. 1. A tool for grinding an inner and outer periphery of a donut-shaped disk substrate, characterized in that a liquid reservoir for a cooling liquid supplied through the core is formed in the top plate by providing a slit at the bottom near the core.
JP9004787U 1987-06-11 1987-06-11 Expired - Lifetime JPH0546845Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9004787U JPH0546845Y2 (en) 1987-06-11 1987-06-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9004787U JPH0546845Y2 (en) 1987-06-11 1987-06-11

Publications (2)

Publication Number Publication Date
JPS63201048U true JPS63201048U (en) 1988-12-26
JPH0546845Y2 JPH0546845Y2 (en) 1993-12-08

Family

ID=30949570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9004787U Expired - Lifetime JPH0546845Y2 (en) 1987-06-11 1987-06-11

Country Status (1)

Country Link
JP (1) JPH0546845Y2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217451A (en) * 1990-03-09 1992-08-07 Artur Fischer Gmbh Device for forming hole
JPH10329037A (en) 1994-08-22 1998-12-15 Kiyokuei Kenma Kako Kk Round hole grinding tool for annular board and round hole grinding method utilizing the same
US8033893B2 (en) 2007-01-18 2011-10-11 Showa Denko K.K. Grinding method of a disk-shaped substrate and grinding apparatus
JP2011200976A (en) * 2010-03-25 2011-10-13 Ts Precision Co Ltd Coolant supplying device
JP2014083644A (en) * 2012-10-25 2014-05-12 Koyo Mach Ind Co Ltd Surface grinding method and coolant supply apparatus for surface grinder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217451A (en) * 1990-03-09 1992-08-07 Artur Fischer Gmbh Device for forming hole
JPH10329037A (en) 1994-08-22 1998-12-15 Kiyokuei Kenma Kako Kk Round hole grinding tool for annular board and round hole grinding method utilizing the same
US8033893B2 (en) 2007-01-18 2011-10-11 Showa Denko K.K. Grinding method of a disk-shaped substrate and grinding apparatus
JP2011200976A (en) * 2010-03-25 2011-10-13 Ts Precision Co Ltd Coolant supplying device
JP2014083644A (en) * 2012-10-25 2014-05-12 Koyo Mach Ind Co Ltd Surface grinding method and coolant supply apparatus for surface grinder

Also Published As

Publication number Publication date
JPH0546845Y2 (en) 1993-12-08

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