Transcription of We receive a lot of questions from our customers ...
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We receive a lot of questions from our customers ...
Electronic Heating Equipment, 1We receive a lot of questions from our customers concerningthe operation of impeders, as well as other topics relating tohigh frequency welding. The following are a selection of themost common questions , together with our are impeders needed for induction welding?Impeders dramatically improve the efficiency of the welding process by directing more energy towards theedges of the strip. The high frequency magnetic field created by the work coil induces a current which flowsaround the outer surface of the tube. Since the tube is still open at this point, the current then transfers ontothe edges of the strip and flows along them to the point where they are forced together by the weld rolls. Thebehavior of electrical currents at high frequencies causes most of the current to be confined to a very thinlayer right at the surface of the strip edge, so rapid heating takes place owing to the resistance of the IMPEDERC urrent flow alongedges of "Vee"WITHOUT IMPEDERC urrent returns oninside of tubeAt 450 kHz.
Electronic Heating Equipment, Inc. Page 1 We receive a lot of questions from our customers concerning the operation of impeders, as well as other topics relating to
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