1 Chapter 5 Machining Quality of Workpieces Key Points of this Chapter Basic Concepts of Machining Quality Factors Affecting Machining Accuracy Factors Affecting Surface Quality 2 Section 1 Basic Concepts of Machining Quality Chapter 5 Machining Quality of Workpieces I Concepts of Machining Quality Machining of Workpieces

冷却至原始温度后，整个接头区焊缝及近缝区的拉应力区与母材在压应力区数值达到平衡，这就产生了结构本身的焊接残余应力。 2）焊接热输入的影响：一般情况下，热输入大时

Optimisation of machining process By Xu Great [Abstract] In the process of machining, the machining accuracy of parts directly affects the quality of mechanical products. This paper takes the machining process of parts as an example and introduces the machining process flow.

论机械零件加工精度的影响因素及应对策略.doc,论机械零件加工精度的影响因素及应对策略 摘 要：机械零件的质量对于整个机械的质量具有较高的影响，因此在零件加工的过程中

冷却至原始温度后，整个接头区焊缝及近缝区的拉应力区与母材在压应力区数值达到平衡，这就产生了结构本身的焊接残余应力。 2）焊接热输入的影响：一般情况下，热输入大时