模具在生产中的使用寿命与模具用钢的性能水平、材质优劣、使用合理与否以及热处理工艺等等都有着密切的联系。
The used life of mould in production is closely relative to the feature level, material quality , fit use or not and the technics of heat treatment and so on .
合理的热处理工艺消除了残余应力,提高了机加工精度。
The rational heat treatment diminishes the residue stress and improves the precision of machining.
针对粘胶纤维的特性,制定合理的粘棉交织物前处理工艺过程,即烧毛、酶退浆、冷轧堆和热碱短蒸洗。
Aming at the characteristics of viscose fiber, rational process including singeing, enzyme desizing, cold pad batch and hot alkali short steam washing was determined.
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