Method and equipment for surface-hardening treatment of steel ba

Details Method and equipment for surface-hardening treatment of steel ba Method and equipment for surface-hardening treatment of steel ba

1998-04-03

1999-09-14

Jones, David

Metal deforming

By shot-blasting

29 122, 29898069, B24C 110, B21D 3100

Patent

active

059504692

ABSTRACT:
An apparatus for surface-hardening steel balls includes a container having projections protruding inwardly from and extending longitudinally along an inner wall; a support shaft having projections extending outwardly from and longitudinally along the support shaft; a container driving mechanism which rotates the container in one direction; and a support shaft driving mechanism which rotates the support shaft in an opposite direction. In operation, the container's projections transfer the balls from a lower portion of the container to a higher portion where the balls are dropped to the lower portion while the support shaft's projections strike the steel balls when the steel balls are dropping to the lower portion.

REFERENCES:
patent: 2946115 (1960-07-01), Firm
patent: 3204320 (1965-09-01), Eckstein et al.
patent: 3316748 (1967-05-01), Lang et al.
patent: 4067240 (1978-01-01), Straub
patent: 4773244 (1988-09-01), Honda et al.

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