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Title:
SPARK EROSION MACHINE
Document Type and Number:
Japanese Patent JPS60221218
Kind Code:
A
Abstract:

PURPOSE: To achieve a stable or desired machining property, by prescribing the products of the peak current levels of circuits and the inductance of a machining circuit.

CONSTITUTION: At the change from a time point T2 to another T3, a switching element S1 is turned off so that a decrease of 0.5A is caused, and a switching element S2 is turned on so that an increase of 1A is caused. However, the same wave form as an increase of 0.5A is apparently produced for an applied peak current level. At the change from a time point T4 to another T5, the switching elements S1 and S2 are turned off so that a decrease of 1.5A is caused, and a switching element S3 is turned on so that an increase of 2A is caused. However, the same wave form as an increase 0f 0.5A is apparently produced. A stable machining property is thus achieved.


Inventors:
TAKAHASHI TOSHIAKI
Application Number:
JP5483184A
Publication Date:
November 05, 1985
Filing Date:
March 22, 1984
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B23H1/02; (IPC1-7): B23H1/02



 
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