Turret tool post for machine tool and apparatus for controlling

Metal working – Plural diverse manufacturing apparatus including means for... – With turret mechanism

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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.

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