Title:
【発明の名称】主軸駆動装置
Document Type and Number:
Japanese Patent JP2557915
Kind Code:
B2
Abstract:
In apparatus for driving a spindle of a machine tool, the spindle being rotatably supported in a spindle housing and received in a took mounting opening adapted to be inserted with a pull stud at a front end thereof, including a took clamping drawbar provided with a collet for clamping the pull stud at a front end of the drawbar, and a device for axially moving the drawbar, there is provided a device interposed between the inner surface of the spindle and the outer periphery of the drawbar for transmitting a torque from the drawbar to the spindle. The drawbar is connected to a source of drive of the spindle.
Inventors:
WATANABE HIROYA
DATE TAKAO
DATE TAKAO
Application Number:
JP29350087A
Publication Date:
November 27, 1996
Filing Date:
November 20, 1987
Export Citation:
Assignee:
TOSHIBA MACHINE CO LTD
International Classes:
B23B19/02; B23B31/26; B23B31/117; B23B47/04; (IPC1-7): B23B31/117; B23B19/02
Domestic Patent References:
| JP62157745A | ||||
| JP6156840A |
Attorney, Agent or Firm:
Kazuo Sato (2 outside)