发明名称 INDUCTION HARDENING DEVICE OF CRANK SHAFT
摘要 <p><P>PROBLEM TO BE SOLVED: To provide an induction hardening device of a crank shaft capable of reducing the size and the cost, and facilitating the assembly work. <P>SOLUTION: A journal part 2 or a pin part 3 of a crank shaft 1 which is held horizontally and rotated is hardened by using an induction heating coil 5 suspended together with a transformer 6 for power supply. The induction hardening device comprises a moving table which is horizontally movable in a predetermined direction, an expansion body 25 with one end thereof connected to the movable table 22 which is constituted to be stroke-operated by a predetermined range along the moving direction of the movable table 22, a spring element 11 to energize the expansion body 25 in the contracting direction, a line-shaped body 9 for suspension with one end thereof connected to the other end of the expansion body 25 which is suspended via a relay element 10 and the other end thereof connected to an upper part of the transformer 6, and a driving means 14 to reciprocate the movable table 22. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p>
申请公布号 JP2005089811(A) 申请公布日期 2005.04.07
申请号 JP20030324176 申请日期 2003.09.17
申请人 DENKI KOGYO CO LTD;KYADOPURAN:KK 发明人 KOSAKAI TAKEHARU;SUGIMURA KAZUNAGA
分类号 H05B6/10;C21D1/42;C21D1/62;C21D9/30;H05B6/40;(IPC1-7):C21D9/30 主分类号 H05B6/10
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