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Title:
ACCELERATION/DECELERATION CONTROL METHOD FOR MACHINE TOOL AND DEVICE THEREOF
Document Type and Number:
Japanese Patent JPH04240039
Kind Code:
A
Abstract:

PURPOSE: To provide an acceleration/deceleration control unit with less deformation of a moving body at the acceleration/deceleration time of the moving body.

CONSTITUTION: It is a machine tool 1 having a servomotor, a feed screw connected to the output shaft of the servomotor, moving bodies 4, 6 connected to the feed screw and moving on a bed, a tool T for machining provided on the moving bodies 4, 6, and an adjusting speed circuit for driving the servomotor with its control, and is the adjusting speed control method of the machine tool 1 that the displacement at the work point of the tool is reduced with the vibration of the moving bodies 4, 6 being restrained, by having the acceleration/ deceleration according to the time related to the proper vibration cycle upto the steady speed of the moving bodies 4, 6 or from the steady speed.


Inventors:
TAKASHITA JIRO
KAWAMURA TSUGIO
KUWAYAMA SATOSHI
NISHIKAWA YUICHI
Application Number:
JP1252691A
Publication Date:
August 27, 1992
Filing Date:
January 11, 1991
Export Citation:
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Assignee:
HITACHI SEIKI KK
International Classes:
B23Q5/36; B23Q5/38; B23Q5/40; B23Q15/013; (IPC1-7): B23Q5/36; B23Q5/38; B23Q15/013
Domestic Patent References:
JPH01289644A1989-11-21
Attorney, Agent or Firm:
Tomisaki Motonari