| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat treatment method capable of efficiently conducting a heat treatment of a plurality of workpieces and realizing energy saving.SOLUTION: A heat treatment method has a heat treatment process of conducting a heat treatment of a plurality of workpieces W, W and so on, while conveying the workpieces W, W and so on, which includes: a step of preparing heat treatment patterns P100, P75 and P50 with the temperature change of a workpiece defined; a step of selecting one of the heat treatment patterns P100, P75 and P50 on the basis of the number of workpieces to be heat-treated; and a step of conducting a heat treatment of a plurality of workpieces W, W and so on according to one selected heat treatment pattern. |
