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离合器压盘工作条件较差,除正常磨损外,常出现工作表面龟裂、划伤、偏磨等缺陷。对于它的更换或修复一般应注意以下几点: (1)压盘工作表面产生较深的横穿裂纹,只要发现一处裂纹穿透断面,即应更换新件,以免发生机械事故。 (2)压盘表面产生的细小龟裂纹,一般均属正常。只要龟裂纹不构成较深的交织网络,比较轻微细小,可以继续使用。 (3)表面磨损较为均匀,有轻微的不平处,一般用油石或砂布打磨后,即可继续使用。 (4)压盘工作表面,由于摩擦片铆钉外露而划痕,其深度在0.10毫米以上或不平度大于0.15毫米时,应进行修磨处理。可用车床车光或用磨床磨平,粗糙度不高于Ra0.8(即光洁度不低于▽7)。 (5)确切掌握压盘厚度尺寸。
Clutch pressure plate poor working conditions, in addition to normal wear and tear, there are often surface cracks, scratches, partial wear and other defects. For its replacement or repair generally should note the following points: (1) pressure plate working surface produce deep cross-crack, as long as a crack found through the cross-section, that should be replaced with new parts, in order to avoid mechanical accidents. (2) small cracks on the platen surface cracks, are generally normal. As long as turtle cracks do not constitute a deep interlacing network, relatively small and small, you can continue to use. (3) Surface wear is more uniform, there is a slight unevenness, usually with whetstone or emery cloth, you can continue to use. (4) pressure plate work surface, due to friction plate exposed rivets scratches, the depth of 0.10 mm or more or greater than 0.15 mm roughness should be sharpened. Available lathe light or polished with a grinder, the roughness is not higher than Ra0.8 (ie, the finish is not less than ▽ 7). (5) exactly grasp the thickness of pressure plate size.