Hot Forging Plus Machining for Valve Parts

The forging method of different processes, the process of hot forging is the longest, the general order: forging billet heating, forging, roll forging billet preparation, forging, trimming, punching, correction, intermediate test, test size and surface defects of forging forging, heat treatment, use in order to eliminate forging stress, improve the cutting performance, metal cleaning, mainly to remove the surface oxide skin, correction, inspection, general appearance and hardness after forging to check, but also through the important forging chemical composition analysis, mechanical properties, residual stress test and nondestructive testing.