Weld gun control

Details Weld gun control Weld gun control

1987-04-13

1989-03-07

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219 90, 188314, 188285, B23K 1110, F16F 900

Patent

active

048108499

ABSTRACT:
A weld gun assembly including a support structure; a pair of arm members pivotally mounted intermediate their ends on the support structure on a common pivot axis; a weld tip at one end of each arm members; an air cylinder interconnected between the other ends of the arm members and operative when actuated to move the weld tips together in a closing direction; and a pair of hydraulic control devices extending respectively between the support structure and one arm member and between the support structure and the other arm member. The control devices function to ensure that the weld tips arrive at their closed welding position adjacent the panels to be welded at the same time irrespective of unbalancing forces acting on the weld gun and further function to ensure that there are no unbalancing forces tending to move the closed tips away from their closed positions.

REFERENCES:
patent: 2035954 (1936-03-01), Focht
patent: 2240644 (1941-05-01), Focht
patent: 4139182 (1979-02-01), Nagase et al.
patent: 4450131 (1984-07-01), Challenger

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