Method and apparatus for real-time weld-quality control and post

Details Method and apparatus for real-time weld-quality control and post Method and apparatus for real-time weld-quality control and post

1996-02-23

1998-09-29

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219109, 219112, B23K 1126

Patent

active

058147837

ABSTRACT:
The present invention provides a method and apparatus to control and verify weld-quality in a homopolar pulsed weld by measuring in-process parameters. Methods are disclosed for real-time weld-quality control in a weld-quality control system for homopolar pulsed welding, including measuring at least one in-process parameters that correlates to a resulting weld-quality of a weld. Further, methods are disclosed for post-process weld-quality verification for homopolar pulsed welding, including identifying at least one in-process parameter that may be used as a post-process weld-quality verification parameter and utilizing such a post-process weld-quality verification parameter to verify the weld-quality after a homopolar pulsed welding process.

REFERENCES:
patent: 4656328 (1987-04-01), Weldon et al.
Grant et al., "Homopolar Pulse Resistance Welding-A New Welding Process", Welding Journal, pp. 24-36, May, 1979.
Harville, M.W., "Homopolar Pulsed Weld Characterization And Real-Time Quality Assurance", Abstract of Thesis (Ph.D.), 1993.

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