Arc stud welding device and method

Details Arc stud welding device and method Arc stud welding device and method

2006-11-28

2006-11-28

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

For bonding with pressure

C219S098000

Reexamination Certificate

active

07141753

ABSTRACT:
An arc stud welding device and method are provided, in which a stud is pulled up to an appropriate predetermined height, even after a portion of a flexible base material is dented by the stud and has returned to an original flat condition. A controller operates a linear motor to disengage the stud from the base material, operates a power source to generate a pilot arc and a main arc, and reverses the operation of the linear motor to press the stud against the base material for welding. When the stud is pulled up from the base material, the controller detects the position of disengagement of the stud from the base material, and the linear motor pulls up the stud to a predetermined position.

REFERENCES:
patent: 5317123 (1994-05-01), Ito
patent: 5321226 (1994-06-01), Raycher
patent: 5977506 (1999-11-01), von Daniken
patent: 6011234 (2000-01-01), Kirchner et al.
patent: 4-279280 (1992-10-01), None
patent: 5-49172 (1993-06-01), None
patent: WO 96/11767 (1996-04-01), None

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