It applies the induction hardening for the local heat treatment of shaft and steel workpiece , and meets the special heat treatment hardness requirements .Combining with an example , it presents the suitable frequency induction equipments and the equipment adjustment for current and heating time , and describes tempering treat-ment.This method can ensure the shaft and steel workpiece local heat treatment hardness quality , improve the production efficiency and reduce production costs .%利用感应淬火对轴类和钢板类工件进行局部热处理，使热处理硬度符合规定要求。结果表明：通过选用合适频率的感应设备，调整设备的感应电流和加热时间，并用感应设备对工件进行必要的回火处理，就能使轴类和钢板类工件局部热处理硬度符合要求，同时提高了生产效率，降低了生产成本。
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