Antifriction bearing support

Details Antifriction bearing support Antifriction bearing support

1978-10-16

1980-07-08

Footland, Lenard A.

Cutlery

308 28, 308184R, F16C 2708

Patent

active

042114543

ABSTRACT:
An antifriction bearing support (12) disclosed includes an outer support member (50) for mounting thereof on a spindle housing (16) and an inner support member (52) for mounting an antifriction bearing (42) which rotatably supports a spindle (38). The support also includes at least one flexible diaphragm (54) extending between the inner and outer support members to radially fix the inner support member and the antifriction bearing and preload the antifriction bearing axially with respect to the axis of spindle rotation so as to permit high speed spindle rotation. Preferably, a pair of the diaphragms (54) are utilized and are mounted in a spaced and parallel relationship to each other. Inner and outer round edges of the diaphragms are secured between axial surfaces (80, 82, 88, 90) of the support members and associated retaining ring (76, 78, 84, 86) that have soldered connections to the support members. Threading of the outer support member onto the housing flexes the diaphragms to provide the preloading of the antifriction bearing mounted by the diaphragm support. Another antifriction bearing (48) on the housing is also preloaded through the spindle by the diaphragms. A first end of the inner support member includes an opening (112) that receives the antifriction bearing (42) and a second end of the inner support member includes a heat exchanger (116) for removing heat. An oil-mist lubrication system feeds an oil-mist lubricant to the antifriction bearings and to the heat exchanger so as to increase the speed at which the spindle can be rotated.

REFERENCES:
patent: 2840350 (1958-06-01), Pierce
patent: 2867123 (1959-01-01), Kmiecik
patent: 3113809 (1963-12-01), Eggmann
patent: 3318604 (1967-05-01), Tracy
patent: 3939944 (1976-02-01), Mitchell et al.

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