B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/20 (2006.01)
Patent
CA 2124777
- 9 - ABSTRACT OF THE DISCLOSURE Method and apparatus for automatically compensating for spring fatigue and aging, mechanical wear, and the like in a stud welding machine. In order to hold plunge time at an ideal constant value, the plunge times of each weld are measured and a running average is generated to adjust the command to drop the stud onto the workpiece as necessary to hold plunge time substantially at the ideal constant value.
Lesser Carl W.
Schnur Earl J.
Emhart Inc.
Ogilvy Renault
LandOfFree
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