Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1973-07-30
1976-02-24
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 35, 5116577, B24B 4908, B24B 4910
Patent
active
039396100
ABSTRACT:
Apparatus and method for abrading or grinding a workpiece with great accuracy. An abrasive support unit is mounted on a vertical column for vertical and horizontal movement. The abrasive support unit is driven automatically along a linear horizontal path and transversely thereof while being driven rotationally. The abrasive support unit has an abrasive mounted thereon on a universal element that provides for universal movement of the abrasive. Servo means are provided for applying the abrasive support unit to the workpiece at a preset pressure. A detector in the form of a differential transformer detects variations in the pressure of application, due to variations in the uneveness of the workpiece, and develops a feedback input to the servo means for applying the abrasive support unit at the preset pressure.
REFERENCES:
patent: 2116593 (1938-05-01), Bouvier et al.
patent: 2769280 (1956-11-01), Comstock
patent: 3019564 (1962-02-01), Haracz
patent: 3100954 (1963-08-01), Di Lella
patent: 3118254 (1964-01-01), Di Lella
patent: 3466807 (1969-09-01), Haas
patent: 3618269 (1971-11-01), Robillard et al.
Katsube Takahiro
Matsuda Toru
Suzuki Junichi
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Ramsey K. J.
Shatai Kogiyo Co. Ltd.
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