波罗曲轴后油封怎样对记号?详细点 谢谢

2025-04-05 04:37:16
推荐回答(1个)
回答1:

是带传感器的.传感器通过读油封上一个白色转盘上的光栅齿来取得发动机的转速.在油封里橡胶里层还埋有磁条信息.这个油封技术含量太高,现在国内都做不了,所以一般国内产的都用不了.如果你说转子掉出来,是不是和油封唇密封的那个圆环,如果会掉出来就因为环上有一个止退点坏了,此油封只能一次用,那个环是不能拿下来的,一但掉出来可拿出来过这个油封就不能用了.所以要去换个新的.这个新的必须是德国原装的,不然用不了.最好去4S店换.
最好进行精确的测量,缸口磨掉多少理论上应该在标准型气缸床的基础上加厚多少.一般如果没有精确的加厚的话装配好的发动机压缩比会不对,加得太厚功率下降,发动机运转不稳,容易死火,气门积炭增多,如果不加厚最严重的后果是活塞顶到气门.所以建议加厚.还有,气缸床的选购也非常重要,气缸床质量本身是造成冲床漏水的重要原因.现在市场上买的气缸床假货太多,都打着大众标,一般不是内行人很难认出真伪.但记住一点,一定要买不锈钢材质,每层都刷氟胶的产品,一般都没问题.不锈钢和铁片的区别在与弹性和刚度,可以对比得出.而且市场上也有些品牌的气缸床产品也是不错的选择,比如上海通驰气缸床,上海兴盛气缸床等等.真材实料,做功用料都比较实在,而且还有售后保证.
至于加厚可以在得到精确的需加厚的尺寸后向气缸床厂家定制.或是用一个比较简单的方法,换一个缸盖,但这个比较耗钱.呵呵
2011-10-20

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