JPS57121408A - Spindle device - Google Patents

Spindle device

Info

Publication number
JPS57121408A
JPS57121408A JP705681A JP705681A JPS57121408A JP S57121408 A JPS57121408 A JP S57121408A JP 705681 A JP705681 A JP 705681A JP 705681 A JP705681 A JP 705681A JP S57121408 A JPS57121408 A JP S57121408A
Authority
JP
Japan
Prior art keywords
spindle
frame
piston
chuck
diaphragm
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
JP705681A
Other languages
Japanese (ja)
Inventor
Nobuo Morita
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.)
Seiko Seiki KK
Original Assignee
Seiko Seiki KK
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 Seiko Seiki KK filed Critical Seiko Seiki KK
Priority to JP705681A priority Critical patent/JPS57121408A/en
Publication of JPS57121408A publication Critical patent/JPS57121408A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
    • B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck

Abstract

PURPOSE:To aim at simplifying the mechanism of a spindle device having a diaphragm with high accuracy, by supplying air from the center of a spindle frame having a spindle journaled thereto so that a diaphragm chuck is opened or closed. CONSTITUTION:A spindle 2 is rotatably supported by a spindle frame 1, a diaphragm chuck 3 is attached to the front end portion of the spindle 2 and a piston rod 4 is slidably extended through the center of the spindle 2. The piston rod 4 carries at its front end a driving piston 16 for opening and closing the chuck. The drive of the piston 16 is carried out by high pressure air which is supplied from a fluid supply port 20 in the outer periphery of the frame through fluid passages 17a, 18 extended through the spindle and opposite to the seat surface of the driving piston and through a fluid passage 19 which is disposed between the frame and the spindle. The operation of the piston causes the diaphragm chuck to open or close.
JP705681A 1981-01-19 1981-01-19 Spindle device Pending JPS57121408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP705681A JPS57121408A (en) 1981-01-19 1981-01-19 Spindle device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP705681A JPS57121408A (en) 1981-01-19 1981-01-19 Spindle device

Publications (1)

Publication Number Publication Date
JPS57121408A true JPS57121408A (en) 1982-07-28

Family

ID=11655403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP705681A Pending JPS57121408A (en) 1981-01-19 1981-01-19 Spindle device

Country Status (1)

Country Link
JP (1) JPS57121408A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634205U (en) * 1986-06-26 1988-01-12
JP2017192997A (en) * 2016-04-19 2017-10-26 株式会社ソディック Spindle device of machine tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634205U (en) * 1986-06-26 1988-01-12
JP2017192997A (en) * 2016-04-19 2017-10-26 株式会社ソディック Spindle device of machine tool

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