Method of dressing, dressing system and dressing electrode for conductive grindstone
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United States of America Patent
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Apr 28, 1992
Grant Date -
N/A
app pub date -
Dec 10, 1990
filing date -
Dec 21, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of dressing for a conductive grindstone, a dressing system for this method and a dressing electrode used in this method. According to the preferred embodiment, this method comprises reciprocating a dressing electrode, which is formed of a metal having large chemical affinity with the super abrasive grains of the grindstone, in a direction being vertical to the moving direction of the grindstone, while the electrode is brought into contact with the ground surface of the grindstone with a predetermined pressure and applying a voltage between the electrode and the grindstone so as to provide a positive pole on the grindstone, while a conductive processing fluid is flown on the portion of the electrode contacting with the grindstone. Therefore, electrochemical action, chemical action, mechanical operation and electro-discharge operation are cooperated in a dressing process.
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