Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-07-08
1989-12-12
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116581, 51 60, 901 16, 901 24, B24B 4900
Patent
active
048865290
ABSTRACT:
A direct-teaching playback type polishing robot comprising a first arm and a second arm, a polishing tool suspended from a free end of said second arm, horizontal high-lead ball screws having nuts connected to said arms, respectively, and a servo-motor and an encoder mounted at a free end of threaded shaft of each of said ball screws in such a manner that rotation of said servo-motor advancing the corresponding nut to swing the corresponding arm independently of the other arm.
REFERENCES:
patent: 4502830 (1985-03-01), Inaba et al.
patent: 4570385 (1986-02-01), Richter et al.
Hashimoto Toshio
Nakafuji Minoru
Olszewski Robert P.
Rachuba Maurina
Showa Precision Machinery Co., Ltd.
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