Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1990-12-10
1992-04-28
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204217, C25F 700, B23H 508, B23H 510
Patent
active
051085615
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.
REFERENCES:
patent: 4013526 (1977-03-01), Inoue
patent: 4849599 (1989-07-01), Kuromatsu
patent: 4956056 (1990-09-01), Zubatova et al.
Applied Magnetic Lab Co., Ltd.
Valentine Donald R.
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