Rolling bearing made by thin steel plates for providing a rectil

Details Rolling bearing made by thin steel plates for providing a rectil Rolling bearing made by thin steel plates for providing a rectil

1985-10-16

1987-04-07

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291484R, 72340, 384 18, B21D 5310

Patent

active

046549404

ABSTRACT:
In a rolling bearing for rectilinear movement which is made by thin steel plates, the thickness of thin steel plates of table and bed are set to be thicker than those of conventional ones in order to provide rigidity, then the steel plates are formed due to press forming so as to have U-shaped cross sections. Track grooves each having a V-cross section are formed in the side walls of the table and bed. The V-shaped track grooves are subjected to cutting work and heat treatment and thereafter they are ground in order to improve the accuracy. Thus, it is possible to provide a cheap and light-weight rolling bearing for rectilinear movement which has high accuracy and high rigidity and is fitted for mass production.

REFERENCES:
patent: 2177303 (1939-10-01), Murden
patent: 2994567 (1961-08-01), Liebmann
patent: 3944302 (1976-03-01), Fourrey
patent: 4311348 (1982-01-01), Olschewski et al.

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