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澳门贵宾会注册知识

如何使用液压油更好?

       如何使用液压油更好?

  澳门贵宾会注册可谓是机械的血液,怎么使用它,用好它,是关键。

 

  在使用中,为防止油质恶化,应注意如下事项:

      一是保持液压系统清洁,防止水、其他油类、灰尘和其他杂质混入油中。

 

  二是油箱中的油面应保持一定高度,正常工作时油箱的温升不应超过液压油所允许的范围,一般不得超过70℃,否则需冷却调节。

 

  三是换油时必须将液压系统的管路彻底清洗,新油要过滤后再注入油箱。

 

  四是不能用废机油来代替液压油,最好使用大厂液压油,像北京长城福满星,中石化长城,联化AUC,壳牌,美孚等。否则会带来很大的危害。因为液压系统的主要元件是精密偶件,其精度、光洁度较高,如分配器滑阀与套孔的配合间隙仅为0.006~0.120mm,废机油内的杂质会加速其磨损,增加内漏。废机油中的污物会堵塞回流阀上的节流孔。此孔直径一般只有1.0~1.2mm,造成液压系统工作失常,还会使回流阀与阀座关闭不严,液压系统不能正常工作。过多的污物还会堵塞油箱滤网,造成吸油阻力增加,并吸入空气,导致油流断续,油泵发出“尖叫声”,油箱排除大量气泡,使升降无力。废机油中的水分、酸碱物质会使油液乳化,引起系统供油失常以及液压元件密封装置腐蚀。由于废机油黏度低,润滑和密封性能大大降低,使元件内漏严重,磨损加剧,导致系统不能建压,元件使用寿命缩短。

 

  如何使用液压油更好?液压系统使用废机油危害极大,绝对禁止使用。确已使用的,应尽快将废机油全部放掉,用洁净的柴油和机油的混合物清洗整个液压系统,然后加入符合规定的新的液压油。


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