Heating Coyle and quenching apparatus

摘要

Problem to be solved: to provide a heating Coyle and a quenching apparatus capable of stably forming an unquenched region on an opening side end portion of a roller guide grooveHeating Coyle 101Coyle body 110 andComprises a plurality of shield membersCoyle bodyThree heating parts respectively received in the roller guide groove 4 of the outer race 2 of the tripod type uniform velocity joint andEquipped with three connectionsHeating sectionA first heating conductor and a second heating conductor disposed opposite to both sides of the roller guide grooveConnectionA first connection conductor extending from a second heating conductor of one heating portion of two heating portions adjacent in the circumferential directionHaving a second connection conductor extending from the first heating conductor of the other heating portion;Shield memberProvided for each connection.Disposed between the first connection conductor and the second connection conductorThe spacing between the first and second connection conductors of the connection isOne of the two heating portions adjacent in the circumferential direction is larger than the circumferential distance between the second heating conductor of the heating portion and the first heating conductor of the other heating portion.Diagram