Replaceable rotating workpiece spindle with normally closed coll

Details Replaceable rotating workpiece spindle with normally closed coll Replaceable rotating workpiece spindle with normally closed coll

1976-04-19

1978-08-15

Vlachos, Leonidas

Turning

Severing or cut-off

Interrelated means for tool infeed and circumrotation

82 3, 82 28R, B23B 1902, B23B 1900

Patent

active

041063767

ABSTRACT:
Spindle carrier is indexed from work station to work station and carries a plurality of spindle assemblies with work carrying collets from station to station. Each spindle assembly is adjustably mounted with respect to the spindle carrier and each collet is spring-loaded against a face to maintain the collet at a reference position and each collet is spring-loaded toward the closed position so that it is normally closed without application of an operating force. During indexing which causes engagement of a spindle with the spindle drive belt, the peripheral speed of the spindle drive pulley is substantially matched with the peripheral speed of the belt to provide smooth acceleration.

REFERENCES:
patent: 2505643 (1950-04-01), Marsilius
patent: 2586126 (1952-02-01), VON Zelewsky
patent: 3289504 (1966-12-01), Bergonzo
patent: 3690687 (1972-09-01), Moe
patent: 3741572 (1973-06-01), Memoto et al.
patent: 3933061 (1976-01-01), Link

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