In this paper, the effect factors on heat treatment distortion, such as material, forging and preheattreatment etc. have been studied.
本文对影响齿轮热处理畸变的材料、锻造、预备热处理等因素进行了研究。
2
In this paper the properties and structure characteristics of GH4133B alloy precision die-forgings by the present die forging process, and by direct ageing and preheattreatment are introduced.