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节约金属的重要方法之一是延长机器的使用寿命。在机器使用过程中,大多数情况下零件不能再使用的原因是因为尺寸的变化,起变化的原因是零件表面被磨损、浸蚀、氧化等,或者由于这些原因造成表面不光滑而降低了零件的耐疲劳强度或冲击强度而遭到破坏。因此大家曾经研究了许多表面处理的方法来提高零件表面的性能。如:火焰或高频率表面淬火,化学热处理,电火花被复或强化,还有表面喷丸处理,堆焊、涂铬、酸浸及
One of the important ways to save metal is to extend the life of your machine. In the process of using the machine, in most cases, the reason why the part can not be used again is that the size changes. The reason for the change is that the surface of the part is worn, eroded, oxidized, or the like, or the surface is not smooth and the parts are reduced because of these reasons The fatigue strength or impact strength is destroyed. Therefore, we have studied a lot of surface treatment methods to improve the performance of the surface of the part. Such as: flame or high frequency surface hardening, chemical heat treatment, EDM is complex or enhanced, as well as surface shot peening, surfacing, chrome plating, acid leaching and