| 摘要 |
PROBLEM TO BE SOLVED: To provide a hardening device of a spring having a spiral or honeycomb shape.SOLUTION: A device 100 has a rotation support system, and an induction heating system. The rotation support system is designed to support the springs 400, 410 when the springs are heated by the induction heating system. The induction heating system has an induction coil system having a coil system. The coil system has a region designed to receive and heat the spring, when it is supported by the rotation support system.SELECTED DRAWING: Figure 1 |
