Grinding method and grinding machine

U.S. Patent Number: 5390446

Abstract: A grinding method and a grinding machine of reduced grinding resistance, in which letting f [mm] denote the diamond particle size of a diamond grindstone, V [m/min] denote the peripheral speed of the diamond grindstone, and f [m/min] denote the feed speed of a workpiece made of Aluminum nitride ceramic, the peripheral speed of the diamond grindstone and the feed speed of the workpiece are set so as to satisfy V.gtoreq.35 .phi.+2000 and V/f.gtoreq.70 .phi.+800.

Inventors: Kazui; Shinichi (Hadano, JP), Ogino; Hiroyuki (Kanagawa, JP), Morita; Kenji (Isehara, JP), Imai; Kuninori (Kanagawa, JP), Sasaki; Hideaki (Hadano, JP), Oguro; Takao (Yokohama, JP)

Assignee: Hitachi, Ltd. (Tokyo, JP) Hitachi Seiko, Ltd. (Kanagawa, JP)

Application Number: 07/900,572

Issued: 1995-02-21

Expired: 2007-02-21

Classes: 451/8 ; 451/41

Field of search: 51/281R,283R,326,165.74,165.77 125/13.01,12

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