Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-06-15
1990-05-29
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51124L, 5116571, 51284R, B24B 1300
Patent
active
049284355
ABSTRACT:
An apparatus for working an aspherical surface on a workpiece including a mechanism for adjusting a position of a workpiece in a horizontal direction, a rotary table having a vertical axis of rotation rotatably mounted on the adjusting mechanism, the rotary table including a work chuck for holding a workpiece on the rotary table, a spindle having a tool on a lower end thereof, a mechanism for rotating the spindle around an axial direction thereof and a compressed spring for supporting the spindle. A first mechanism adjusts a position of the tool in the axial direction of the spindle, the first mechanism including a sliding plate for sliding the spindle in the axial direction thereof. A second mechanism includes an axial mechanism for rotating the first mechanism about a horizontal axis of rotation perpendicular to the axial direction of the adjusting mechanism, the second mechanism supporting the first mechanism at one end of the axial mechanism, the second mechanism further including a balancer for balancing the first mechanism at the other end of the axial mechanism. A guide roller engages the balancer to position the second mechanism in a rotational position around the horizontal axis of rotation of the axial mechanism. A rotary encoder detects the rotational position of the second mechanism and a third mechanism adjusts a position of the second mechanism together with the first mechanism in a vertical direction.
REFERENCES:
patent: 3021647 (1962-02-01), Maitenaz
patent: 3167884 (1965-02-01), Thompson
patent: 3534506 (1970-10-01), Soong et al.
patent: 4132036 (1979-01-01), Doi et al.
patent: 4178720 (1979-12-01), Hashimoto
patent: 4617764 (1986-10-01), Reibakh
Kawata Koichi
Masaki Takeshi
Sakagaito Yukuo
Matsushita Electric - Industrial Co., Ltd.
Olszewski Robert P.
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