Method for processing a nut seat on a wheel

Details Method for processing a nut seat on a wheel Method for processing a nut seat on a wheel

1988-04-22

1989-04-18

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

72126, 301 9DN, 29 9001, B21H 102

Patent

active

048213888

ABSTRACT:
A method for processing a nut seat formed around a bolthole on a wheel including the steps of drilling the nut seat and the bolthole substantially simultaneously with a step drill and performing roller burnishing on at least edge portions of the nut seat wherein the roller is rolled on the nut seat in the circumferential direction of the nut while the roller is pressed onto the nut seat. By roller burnishing, at least the edge portions of the nut seat are finished to a specular grade. The strength of the nut seat itself can be increased by the roller burnishing, thereby decreasing the required thickness of a light alloy wheel and the total weight of the wheel. In addition, the manhours for processing the wheel can be reduced.

REFERENCES:
patent: 3131972 (1964-05-01), Walton et al.
patent: 3320652 (1967-05-01), Huber et al.

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