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

1988-08-22

1990-04-03

Howell, Daniel

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

409233, B23Q 312

Patent

active

049136054

ABSTRACT:
This invention relates to an improved integral machined spring adapted to be used in high speed spindles employing a tool holding mechanism which rotates with the spindle. The spring assembly includes a plurality of lands and slots arranged circumferentially and in tiers and includes a top and bottom face. The axial width dimension of the slots adjacent to the end faces is less than the axial dimension of the slots between the end faces in order to distribute the stresses more uniformly. The lands form a plurality of circumferentially arranged lobes whose radial dimension is greater than the portion between the lobes, again to distribute the stresses more uniformly. Various forms of the invention are described including a spindle assembly having a non-rotating actuating rod.

REFERENCES:
patent: 4051583 (1977-10-01), Kato et al.
patent: 4480366 (1984-11-01), Takahashi et al.
patent: 4640653 (1987-02-01), Schwatzman
patent: 4750850 (1988-06-01), Husted
patent: 4790700 (1988-12-01), Schwartzman

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