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Title:
MACHINE TOOL
Document Type and Number:
Japanese Patent JPH0215904
Kind Code:
A
Abstract:

PURPOSE: To automatically turn and process a work at a suitable speed by taking out data from a memory means storing both the revolution speed data and the cutting speed data by both a work bit selection and work material specifying means and controlling the motor.

CONSTITUTION: When the diameter of a bore opened is inputted, a motor 15 is turned and the specified chuck holder 21 is moved to the position opposed to a chuck carrier 27, the carrier 27 is lowered, the chuck 24 enters into a spindle 40, and the motor 37 is instantaneously turned so that a pawl 41 is fastened and inhibited to be pulled out. A table lifting and lowering motor 46 is turned until a drill blade 26 makes contact with the upper face of a work. When the quantity of the movement is stored, the motor 46 is reversed at the specified speed. When the work material data is inputted, the revolution speed and the cutting speed data corresponding to the diameter of a bore is read out and when the quantity of the movement is inputted, the drill blade 26 is turned by the motor 37, lowered by data of the quantity of the cutting to make cutting and after the cutting, the motor 37 is instantaneously reversed to open the pawl 41 so that the chuck holder 21 is lowered until making connection with the chuck 24. The holder 21 is then raised and adsorbed by the upper rotary blade 16 again.


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Inventors:
OKAMURA YASUSHI
RIN TOSHIRO
TAKAGI KOSUKE
Application Number:
JP1988000165430
Publication Date:
January 19, 1990
Filing Date:
July 01, 1988
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
B23Q15/00; B23B39/00; (IPC1-7): B23B39/00; B23Q15/00
Domestic Patent References:
JPS62287903A1987-12-14
JPS60135107A1985-07-18



 
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