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讨论了生产实践中所用的过盈量问题,指出在设计上用于力学计算的过盈量和组装时用于装配的加工过盈量,在连续组装时是不一样的,但在每次组装后磨掉胀缩量再装时则是一样的;论证了由外向里和由里向外两种不同的装配顺序虽然过盈量的值不同,但在满足强度理论上则是相同的.文中导出了上述各种情况下的计算通式,并结合实例进行了运算和验证.还讨论了如何合理地选择装配方法和正确地确定过盈量的大小.
The problems of the interferences used in the production practice are discussed. It is pointed out that the amount of interference designed for mechanical calculation and the processing interference used for assembly during assembly are different during continuous assembly. However, After wearing out the expansion and contraction volume reloading is the same; demonstrated from outside to inside and from the inside out two different assembly order Although the amount of interference value is different, but in the theory of strength is the same. The general formulas of the above cases are derived, and the calculation and verification are carried out with the examples.How to choose the assembly method and how to correctly determine the size of the interference?