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1.维修理念的变革 (1)事后维修思想 20世纪初期,工程机械维修一般都是在发生故障以后才进行的,即事后维修。它的最大优点是充分地利用了零部件或系统部件的寿命,但事后维修是非计划性维修,浪费了较多的剩余修理,同时还存在一定的缺陷和不足。 (2)以预防为主的维修思想 20世纪50年代,人们对设备的磨损机理认识有了更进一步的深入:机件工作——产生磨损——发生故障——影响使用并危及安全。为使每
1. Maintenance concept of change (1) after-sales maintenance thought Early twentieth Century, construction machinery maintenance are generally carried out after the failure occurred, that is, after-hours maintenance. Its biggest advantage is to make full use of parts or system components of life, but after-hours maintenance is unplanned maintenance, wasting more residual repair, but there are still some shortcomings and deficiencies. (2) Preventive Maintenance Thought In the 1950s, the understanding of the wear mechanism of the equipment went further: the work of the machine - wear and tear - failure occurred - affecting the use and endangering safety. For every