阐述磨损极限的重要性，介绍零件磨损的规律及确定磨损极限的几种方法。
The importance of attrition limitation was described. The law of attrition of parts and several methods of determining the attrition limitation were introduced .
电机上下导轴承磨损极限，要更换轴承；转子上下轴套偏磨极限，要更换轴套；
Motor upper and lower guide bearing wear limit, to replace the bearings, rotor shaft eccentric wear limit, to replace bushings;
从混凝土磨蚀和力学性能试验得知，水工混凝土的磨蚀程度依赖于混凝土的初始磨损率，抗拉强度和极限拉伸变形值。
Abrasion and mechanical properties test of concrete have shown that the degree of abrasion dependent on initial abrasion ratio, flexural strength and limit strain.
对极限磨损量的代表性作了说明。
A clear explanation of the representativeness of ultimate wear quantity is given.
对矿用新型立轴冲击破碎机在极限条件下处于高速冲刷磨损时耐磨衬板的耐磨损问题进行了探讨。
The paper deals with the subject of wear-resistant of sheathing board using on new-type mining vertical-shaft crusher which is used at the critical conditions of high speed scouring abrasion.
本实用新型在碳刷磨损达到极限时，可以及时提醒用户更换碳刷，避免了机器非正常损坏。
When the wear of the carbon brush reaches to the limit, the wear limit alarm device can timely remind the user of replacing the carbon brush, so the non-normal damage of the machine is avoided.
造成屏蔽套损坏的原因，主要是轴承损坏或磨损超过极限值而造成定、转子屏蔽套相擦而损坏；
Shield damage caused by sets of the main reasons for bearing damage or wear caused by exceeding limits set, set of rotor rub shield damage;
造成屏蔽套损坏的原因，主要是轴承损坏或磨损超过极限值而造成定、转子屏蔽套相擦而损坏；
Shield damage caused by sets of the main reasons for bearing damage or wear caused by exceeding limits set, set of rotor rub shield damage;
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