知識

Heat treatment is the weight of the decision to high-quality products. The process method should be optimized and the equipment performance should be mastered. Correct parameter selection for each paragraph,

1. Before starting the furnace, check whether the electrical equipment, water cooling system, sensor copper tube, etc. are intact, otherwise, it is forbidden to start the furnace. 2. Furnace melting

1. The chemical composition of the material, the same brand of material, the chemical composition may be different, it must be different quenching temperature, 2. Shape of the workpiece. For

Quenching and high temperature tempering：: namely the comprehensive heat treatment process of quenching and tempering at high temperature. Tempering parts mostly work under relatively large dynamic load, they bear the

Annealing The heat treatment process in which steel specimens are heated to an appropriate temperature, and then cooled slowly after holding for a certain period of time, so as to