滚动轴承润滑的目的以及方法

         滚动轴承也是一类常用的机械五金产品,其在使用过程中需要不断的对其进行润滑处理,才能保证其能正常的工作,那么滚动轴承润滑处理的主要目的有哪些呢?润滑处理的方法又有哪些呢?今天小编为你进行如下整理,希望可以帮助更多的人们对这类轴承有一个了解与认识吧!

         滚动轴承润滑的主要目的有:

         1、减少摩擦及磨损:在构成轴承的套圈、滚动体及保持器的相互接触部分,防止金属接触,减少摩擦、磨损。

         2、延长疲劳寿命:轴承的滚动疲劳寿命,在旋转中,滚动接触面润滑良好,则延长。相反地,油粘度低,润滑油膜厚度不好,则缩短。

         3、排出摩擦热、冷却:循环给油法等可以用油排出由摩擦发生的热,或由外部传来的热,冷却。防止轴承过热,防止润滑油自身老化。

         4、其他:也有防止异物侵入轴承内部,或防止生锈、腐蚀之效果。

         滚动轴承润滑的主要方法:

         目前轴承的润滑方法主要有脂润滑和油润滑两种不同的方式;为了使轴承很好地发挥机能,首先,要选择适合使用条件、使用目的的润滑方法。若只考虑润滑,油润滑的润滑性占优势。但是,脂润滑有可以简化轴承周围结构的特长,将脂润滑和油润滑的利弊比较。

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