| 摘要 |
PROBLEM TO BE SOLVED: To facilitate an exchange without lifting or hanging an induction heating coil, to shorten a required duration, and to improve an yield. SOLUTION: Rollers 8 installed on four corners on the upper part of a body 3 are mounted on first rails 6 on gate-shaped frames installed on the rectangular cross direction to the sheet bar feeding direction, so as to suspend the whole induction heating device 1. Inside sheet bar feeding lines, second rails 7 are laid in parallel with the lines, and the whole device 1 is moved to the inside along the first rails 6 and removed from the lines. Then, connection mechanisms 5, such as bolts or the like, are removed, and an induction heating coil part 4 is placed on the second rails 7 and moved. Then, a new induction heating coil part 4 is moved to the lower side of the body 3 along the second rails 7 and connected to the body 3 with the connection mechanisms 5, and the whole device 1 is returned to the sheet bar feeding lines.
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