Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1989-11-09
1991-01-15
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
125 1117, 125 1101, 125 1116, 125 1119, B24B 5300
Patent
active
049843907
ABSTRACT:
A grinding disc dressing apparatus for dressing an active grinding side or surface of a grinding disc of a surface grinding machine includes feed means for moving a dressing roll between an outer periphery of the grinding disc and the central portion of the grinding disc generally radially of the grinding disc so as to dress the active grinding side of the grinding disc. First drive means rotates the dressing roll in such a manner that the speed of rotation of the dressing roll can be varied. Second drive means rotates the grinding disc in such a manner that the speed of rotation of the grinding disc can be varied. Control means controls the operation of at least one of the two drive means so as to arbitrarily vary the ratio between the peripheral speeds of the dressing roll and the grinding disc at an operating point where the dressing roll acts on the active grinding surface of the grinding disc during the dressing operation.
REFERENCES:
patent: 2285717 (1942-06-01), Indge
patent: 3822689 (1974-07-01), Oshima
patent: 4103668 (1978-08-01), Nishimura
patent: 4274231 (1981-06-01), Verega
patent: 4603511 (1986-08-01), Kamatsu
patent: 4635401 (1987-01-01), Nakaji
patent: 4805585 (1989-02-01), Halvorsen
Nippei Toyama Corporation
Schmidt Frederick R.
Shideler Blynn
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