Controls for multi-spindle lathes

Details Controls for multi-spindle lathes Controls for multi-spindle lathes

1978-02-08

1979-06-19

Hinson, Harrison L.

Turning

Process of turning

82 2B, B23B 324, B23B 300

Patent

active

041583191

ABSTRACT:
A multi-spindle lathe having a multi position multiple rotary electrical switch associated with a drum in which the spindles are rotatably mounted, the drum and switch being indexable between a number of finite positions equal to the number of spindles, each spindle having clutch and brake units, the switch being arranged to control circuits to said units and the switch having fixed and rotatable parts carrying respective co-operable electrical contacts forming part of the circuits and also having at least two continuous conductor rings on one of the parts and contacts carried on the other of the parts engaging the conductor rings respectively, selection of any one of the possible indexed positions of the switch providing simultaneous connection between a number of said co-operable contacts and said contacts engaging the conductor rings being in contact therewith at all possible positions of the switch and control being provided for controlling electrical supply to the contacts and to the rings for selective actuation of the clutch and brake units.

REFERENCES:
patent: 3828901 (1974-08-01), Flueckiger
patent: 4011777 (1977-03-01), McConnell

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