Spot welding inspecting apparatus

Details Spot welding inspecting apparatus Spot welding inspecting apparatus

1991-10-02

1993-03-09

Cuchlinski, Jr., William A.

Geometrical instruments

Distance measuring

Opposed contacts

33783, 33501, 335552, 33DIG2, G01B 500

Patent

active

051917203

ABSTRACT:
The present invention relates to a spot welding inspecting apparatus for inspecting a weld between two metal plates which are subjected to spot welding without destroying the metal plates or weld. A pair of knife gauges having an interval therebetween larger than the diameter of the weld are inserted between the welded metal plates by a continuous impact of the hammer which is driven by a compressed air and pushed between the metal plates so as to clamp the weld. Thereafter, the piston is moved so that the knife gauges may approach the weld to indicate the distance between the knife gauges with the index.

REFERENCES:
patent: 2308946 (1943-01-01), Wagner
patent: 2828546 (1958-04-01), Campbell

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