No matter how cool the quenching medium may be, if the heat inside a large piece cannot escape faster than a certain critical rate, there is a definite limit to the inside hardness.
无论淬火介质怎么冷，如果在大工件中的热量不能比特定的临界速率更快散发，那它内部硬度就会受到明确限制。
The method has considered the effect of difference in material hardness on the fatigue limit, which causes the shaft diameter design to become different depending on heat treatment difference.
该方法考虑了材料硬度对疲劳极限的影响，使半轴杆径设计随热处理方法不同而有所差异。
With no limit of viscosity, hardness, and fiber content of the material, it is functioned with air cooling, screen-free, etc.
具有风冷、无筛网等多种性能，它不受物料粘度、软硬度及纤维等限制，对任何物料能起到较好的粉碎效果。
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