JPS56139865A - Grinding machine - Google Patents

Grinding machine

Info

Publication number
JPS56139865A
JPS56139865A JP4022880A JP4022880A JPS56139865A JP S56139865 A JPS56139865 A JP S56139865A JP 4022880 A JP4022880 A JP 4022880A JP 4022880 A JP4022880 A JP 4022880A JP S56139865 A JPS56139865 A JP S56139865A
Authority
JP
Japan
Prior art keywords
grinding
internal
external
work
grinding wheels
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
JP4022880A
Other languages
Japanese (ja)
Inventor
Masaki Chokai
Ryohei Yokoyama
Shunichi Kado
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4022880A priority Critical patent/JPS56139865A/en
Publication of JPS56139865A publication Critical patent/JPS56139865A/en
Pending legal-status Critical Current

Links

Landscapes

  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

PURPOSE: To improve the grinding accuracy of a work, by providing concentric external and internal shafts with external and internal grinding wheels, respectively for constant-pressure grinding with the internal grinding wheel after grinding with the external one.
CONSTITUTION: An external shaft 14 is turned by a driving pulley 45, which in turn drives an internal shaft 16, concentric to the former, through a guide 39 and external and internal grinding wheels 17, 15 attached to the shafts. As a feeder 10 is turned, a work 7 is fed in between the external grinding wheels 15, 15 for quantitative feed grinding. The work 7 is then fed in between the internal grinding wheels 17, 17. Since, at this moment, the internal grinding wheels 17, 17 are under the constant pressure of the work 7 due to the advancement of a piston 62 caused by working liquid 80 from a cylinder 53, the work 7 undergoes finish grinding under constant grinding pressure.
COPYRIGHT: (C)1981,JPO&Japio
JP4022880A 1980-03-31 1980-03-31 Grinding machine Pending JPS56139865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4022880A JPS56139865A (en) 1980-03-31 1980-03-31 Grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4022880A JPS56139865A (en) 1980-03-31 1980-03-31 Grinding machine

Publications (1)

Publication Number Publication Date
JPS56139865A true JPS56139865A (en) 1981-10-31

Family

ID=12574879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4022880A Pending JPS56139865A (en) 1980-03-31 1980-03-31 Grinding machine

Country Status (1)

Country Link
JP (1) JPS56139865A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6219364A (en) * 1985-07-19 1987-01-28 Hitachi Seiko Ltd Method and device for plane grinding
JPS6268262A (en) * 1985-09-20 1987-03-28 Hitachi Seiko Ltd Surface grinder
JPS6434651A (en) * 1987-07-29 1989-02-06 Disco Abrasive Systems Ltd Grinding stone device and grinding machine with said device
JP2007222958A (en) * 2006-02-21 2007-09-06 Koyo Mach Ind Co Ltd Rotary working device and manufacturing method for it

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6219364A (en) * 1985-07-19 1987-01-28 Hitachi Seiko Ltd Method and device for plane grinding
JPS6268262A (en) * 1985-09-20 1987-03-28 Hitachi Seiko Ltd Surface grinder
JPH0350665B2 (en) * 1985-09-20 1991-08-02 Hitachi Seiko Kk
JPS6434651A (en) * 1987-07-29 1989-02-06 Disco Abrasive Systems Ltd Grinding stone device and grinding machine with said device
JP2007222958A (en) * 2006-02-21 2007-09-06 Koyo Mach Ind Co Ltd Rotary working device and manufacturing method for it

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