Spindle mounting assembly with squeeze film damping

Details Spindle mounting assembly with squeeze film damping Spindle mounting assembly with squeeze film damping

1985-04-12

1985-12-24

Levy, Stuart S.

Bearings

Rotary bearing

Hydraulic or pneumatic bearing support

384535, F16C 2700

Patent

active

045602891

ABSTRACT:
A rotatable spindle is carried in bearings located in one end of the bore in an adapter. The other end of the adapter is fixed in a machine base so as to cantilever the adapter. A damping chamber is formed along the adapter length between the machine base and the adapter, and a damping medium is provided in the damping chamber to control vibrations of the cantilever assembly. In one embodiment, a viscous damping medium is utilized to effectuate squeeze film damping. In an alternate embodiment, a visco-elastic damping medium is utilized in the damping chamber.

REFERENCES:
patent: 3359613 (1967-12-01), Rye
patent: 3456992 (1969-07-01), Kulina
patent: 3836215 (1974-09-01), Dopkin et al.
patent: 3897985 (1975-08-01), Davis et al.
patent: 3947079 (1976-03-01), Anderson
patent: 3980358 (1976-09-01), Davis
patent: 4084861 (1978-04-01), Greenberg et al.
patent: 4337983 (1982-07-01), Hibner

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