Integral spring flexure for use with high speed rotating shafts

Details Integral spring flexure for use with high speed rotating shafts Integral spring flexure for use with high speed rotating shafts

1984-07-30

1987-02-03

Weidenfeld, Gil

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

408239R, B23Q 312

Patent

active

046406530

ABSTRACT:
This invention relates to high speed spindles employing a tool holding mechanism which rotates with the spindle. In machining applications utilizing high speed spindles which operate above 20,000 RPM, it is desired to manufacture such spindles so that they maintain their balance. Spindles which employ tool holding mechanisms are required to grasp and release tools between machining operations. Such mechanisms usually employ springs for either holding tools in a collect or returning the release mechanism. This invention discloses two types of springs which are true flexures and are held integral with the spindle shaft. The nature of the design is such that it affords the minimal amount of structural position deviation after each actuation for tool changes, thus minimizing out-of-balance conditions.

REFERENCES:
patent: 3052011 (1962-09-01), Brainard et al.
patent: 3490333 (1970-01-01), Scruton
patent: 4172683 (1979-10-01), Shimajiri et al.
patent: 4411568 (1983-10-01), Rohm

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