Metal working – Plural diverse manufacturing apparatus including means for... – With turret mechanism
Patent
1991-06-28
1992-06-23
Schwartz, Larry I.
Metal working
Plural diverse manufacturing apparatus including means for...
With turret mechanism
408 35, 408710, 408241G, 409134, 82159, 29DIG56, 74612, B23B 316
Patent
active
051231492
ABSTRACT:
A turret tool post for a machine tool has a turret having a plurality of turret faces each equipped with a tool for machining, a turret shaft for rotating the turret, a cam follower provided on the turret shaft, a cam having a cam surface engaged with the cam follower to cause the cam follower to rotate, and an indexing motor for driving the cam to index the turret faces. A straight raceway portion is formed on the cam surface of the cam so that the cam follower is not driven to rotate through a predetermined angle. Also disclosed is an apparatus for controlling indexing of the turret tool post which has a turret controller for controlling the rotation of the indexing motor. The speed of the indexing motor is controlled in accordance with whether a door attached to a cover covering the turret and other elements is open or closed.
REFERENCES:
patent: 618951 (1899-02-01), Clyne
patent: 3850059 (1974-11-01), Woltjen et al.
patent: 4507993 (1985-04-01), Silverman et al.
patent: 4635507 (1987-01-01), Kojima
Exhibition Catalogs, first published Sep. 7, 1988, trade show, Chicago, Ill.
Exhibition Catalogs, first published Oct. 21, 1988, trade show, Tokyo, Japan.
Kobayashi Mikio
Koshio Akira
Nagasawa Takayuki
Orui Thuneo
Sato Takanobu
Hitachi Seiko Co., Ltd.
Schultz Robert
Schwartz Larry I.
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