Device for positioning a tool carriage

Details Device for positioning a tool carriage Device for positioning a tool carriage

1979-01-22

1981-01-20

Briggs, William R.

Gear cutting, milling, or planing

Gear cutting

Gear tooth shape generating

82 34A, 82 34B, 408 14, 409218, 409220, B23F 520, B23B 2100, B23Q 552

Patent

active

042459389

ABSTRACT:
A device for controlling and positioning a carriage in a tool machine, in particular the feed carriage on a gear hobbing machine. The device utilizes cams oriented one after the other and which operate a plurality of switches to control the advance of the carriage. The end position of the carriage which is controlled by a control switch is determined by two cam carriages. The first cam carriage is positionable with a rough or coarse adjustment relative to the machine frame and the second cam carriage is finely adjustable relative to the first cam carriage. The cam carriages carry the aforementioned cams to effect a control of the movement of the feed carriage path adjacent the workpiece.

REFERENCES:
patent: 1757929 (1930-05-01), Shaw et al.
patent: 2012493 (1935-08-01), Barnes
patent: 2988964 (1961-06-01), Van Acker
patent: 3146676 (1964-09-01), Carpenter
patent: 3350617 (1967-10-01), Firth
patent: 3633088 (1972-01-01), Kupersmith
patent: 3812761 (1974-05-01), Southworth
patent: 3865010 (1975-02-01), Hodgson

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