Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-12-28
1990-05-22
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116577, 51 99, 15 21E, 901 41, B24B 4900
Patent
active
049266047
ABSTRACT:
Burring by way of a grind stone using a robot has been rarely practiced because the correction of abrasion of the grind stone involves a problem. There has been hitherto proposed a method for correction of abrasion by making use of a force sensor or a special tool holder apparatus. However, since the apparatus is expensive and low in reliability, it has not been practical. In the present invention, a coordinate system is set to a wearing tool mounted to a wrist of a robot separately from the rectangular coordinates of the robot, and the worn amount of the tool detected by use of a sensor is subjected to parallel shifting on the coordinate system of the tool set to the tool to effect correction of abrasion, which is characterized in that a special hard is not required, and operation is simple.
REFERENCES:
patent: 3691698 (1972-09-01), Schaller
patent: 4571892 (1986-02-01), Brill
patent: 4603511 (1986-08-01), Komatsu et al.
patent: 4667443 (1987-05-01), Sakurai et al.
patent: 4753044 (1988-06-01), Bula
patent: 4756124 (1988-07-01), Rossi et al.
Hara Masaaki
Inokuchi Hiroshi
Nishikawa Seigo
Tazaki Taketoshi
Kabushiki Kaisha Yaskawa Denki Seisakusho
Olszewski Robert P.
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