It's a feasible practice to quench in air for castings made of steels with higher hardenability to reduce or avoid its deformation and crack during heat treatment process.
采用高淬透性钢进行空冷淬火是一种减少铸件热处理变形和开裂的有效措施。
2
The effects of quenchair pressure, velocity and unevenness on Uster value, M rate and after-processing property of polyester POY are mainly discussed.
讨论了侧吹风的压力、速度以及风速分布不匀对涤纶POY乌斯特值、M率和后加工性能的影响。
3
Introducing a typical quenchair system designed for a polymer spinning project, the features and control strategy of combination air-conditioner used at industrial area are given out.