B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 13/00 (2006.01) B23K 9/095 (2006.01) B23K 13/08 (2006.01) H05B 6/06 (2006.01)
Patent
CA 2074435
A high frequency welding system for tubular members applies high frequency current I to the gap for creating an alternating field. According to magnetic flux of the alternating field, an opposed current i is generated in a conductive portion of the welding apparatus. In close proximity, inductance is effected between the welding current I and the response current i. An output circuit is provided for generating high frequency current for establishing a welding heat with suppression of ripple current at the output. The welding processing is observed by a CCD camera which is in communication with an image processing portion for analyzing image data for determining welding conditions. A signal from the image processing portion is output to a monitoring portion which continuously monitors welding operation and activates an alarm if welding conditions exceed predetermined values. A correction processing portion also receives the signal from the image processing portion and effects adjustment of the power circuit for maintaining a welding heat at a desired level.
Kabushiki Kaisha Meidensha
Robic
LandOfFree
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