Apparatus for balancing machines for chucking and centering of a

Details Apparatus for balancing machines for chucking and centering of a Apparatus for balancing machines for chucking and centering of a

1976-04-14

1977-06-28

Gill, James J.

Measuring and testing

Rotor unbalance

Dynamic

73462, 73487, G01M 104

Patent

active

040317609

ABSTRACT:
An apparatus for clamping and centering bodies during rotation for balancing with a body receiving plate which is mounted on a spindle and which has a pair of concentric flexible rings or gaskets mounted on the upper surface thereof to define, when the body rests on the rings, a vacuum chamber from which air is removed to lock the body in place by channels which extend through the plate and communicate with the vacuum chamber. A housing extends about and is connected to the spindle by bearings with the space between the housing and spindle communicating with the vacuum chamber and with a connection extending through the housing for removing air from the vacuum chamber. Extensions of the spindle and vent holes between the housing space and the bearing prevent a vacuum from being developed in the area of the bearings.

REFERENCES:
patent: 2701723 (1955-02-01), Ekberg
patent: 2955829 (1960-10-01), Brewster
patent: 3706412 (1972-12-01), Latham
patent: 3774456 (1973-11-01), Crump

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