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Title:
WIRE ELECTRIC DISCHARGE MACHINE
Document Type and Number:
Japanese Patent JPS63174820
Kind Code:
A
Abstract:

PURPOSE: To enable operatorless wire electric discharge machining to be continuously performed for a long time, by detecting a wire electrode, if it increases to the fixed height in one wire collecting case, and moving the collecting case while the second collecting case to a collecting position.

CONSTITUTION: A wire electrode 2, after finishing its machining, is collected to the first collecting case 12a, and if it is almost fully filled with the wire electrode, a cylinder 14 is actuated by an output signal of a detector of photoelectric switch or the like detecting the fully filled condition by height, thus advancing a piston rod 14a to the left direction. Consequently, a pallet 13, connected to the point end of the piston rod 14a, moves to the left direction with the first and second wire collecting cases 12a, 12b being left as loaded, and the pallet, detected by a detecting limit switch provided in the left end, stops. In this way, the first wire collecting case 12a is replaced with the second wire collecting case12b in a wire collecting position, and operatorless continuous machining for the time two times longer can be performed as compared with when one wire collecting case is used.


Inventors:
SUGIYAMA HIDEHIKO
Application Number:
JP1987000001909
Publication Date:
July 19, 1988
Filing Date:
January 09, 1987
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B23H7/10; (IPC1-7): B23H7/10



 
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