| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric heating method for uniformly heating an odd-shaped blank by electric heating. <P>SOLUTION: Electrodes 10, 10, electrodes 20, 20, and electrodes 30, 30 are attached to an H-shaped blank 1 in which first extended parts 2, 2 extended in a left-right direction and a second extended part 3 extended in a vertical direction are included and connected, and the blank 1 is heated by energizing along the extended directions in order of the first extended parts 2, 2 and the second extended part 3 by the electrodes 10, 10 and the electrodes 20, 20, in an electric heating process S10, and the electrodes 30, 30 are arranged at displaced positions in a direction orthogonal to the extended direction of the second extended part 3 with respect ro the second extended part 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
