Method and apparatus for dressing spot welding tips

Details Method and apparatus for dressing spot welding tips Method and apparatus for dressing spot welding tips

1984-12-17

1986-09-09

Crane, Daniel C.

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

2940219, 219119, B21D 2214, B21D 5300

Patent

active

046101535

ABSTRACT:
A tool for dressing copper spot welding electrode tips to a desired configuration comprises a disc with opposed concave faces formed at their centers in the desired configuration of the tips and adapted to be rotatably driven by a power tool. The dressing surfaces are uninterrupted surfaces of revolution and, therefore, contain no cutting edges. In operation, the electrode tips while mounted on a welding machine are clamped against a rotating dressing tool with normal welding pressure, so that as a result of the frictional engagement of the tool with the tip, the metal flows into conformity with the tool surface. Thus, no significant amount of metal is removed from the welding tip.

REFERENCES:
patent: 75961 (1868-03-01), Neuberger et al.
patent: 2848804 (1958-08-01), Graves et al.
patent: 2930289 (1960-03-01), Swarts
patent: 3045741 (1962-07-01), Straubing
patent: 3195221 (1965-07-01), Martin et al.
patent: 3470720 (1969-10-01), Eklund et al.
patent: 4383429 (1983-05-01), Ceccacci

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