B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/56
B23K 9/20 (2006.01)
Patent
CA 2032064
STUD WELDING SYSTEM ABSTRACT A stud welding system wherein welding is prevented unless the armature is located within an acceptable displacement window. A D.C. signal representative of armature position is generated by connecting differential amplifier across the coil and applying a constant voltage across the coil. The output of the amplifier is converted to a D.C. signal which is received by window comparator which will enable welding only when the armature is properly located.
Emhart Inc.
Swabey Ogilvy Renault
LandOfFree
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