Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yufeng Luo0
Date of Patent
February 13, 2007
0Patent Application Number
104424720
Date Filed
May 21, 2003
0Patent Primary Examiner
Patent abstract
An electrochemical machining apparatus and method for machining a workpiece. The apparatus provides a pulse of electric power, which is conducted from the workpiece, to an electrolyte flowing through a gap, and then to an electrode. Material is eroded from the workpiece when the pulse of electric power is applied, thus machining the workpiece. The apparatus includes a power supply to supply the electric power and a switching portion for producing the pulse by switching the electric power ON and OFF. The switching portion is capable of producing a pulse of electric power with a pulse duration of about 2 microseconds and a current of at least about 2800 amperes.
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