If the linear guide rail is used in the application, it should ensure that it has good lubrication function. If the lubrication effect cannot be achieved, the rolling speed will be seriously worn, which will affect the work efficiency and reduce the service life. So, in order to improve productivity, how to lubricate the linear guide rail?

一、在润滑剂的选择上，我们要根据实用性来进行选择，有的润滑剂的功效是降低摩擦，防止其交换的，有的润滑剂的功效是减少滚动面之间的表面应力，延长寿命的，还有一些润滑剂可以防止表面生锈，充分提高其使用率的。因此在不同的目的上，要选择不同的润滑剂，常见的直线导轨所需要的润滑剂要求比较高，一般要同时满足多种条件，需要的条件有：稳定性高，耐腐蚀性高，耐磨损性高，低摩擦，同时还要有很高的油膜强度。

1、 In the selection of lubricants, we should choose according to the practicability. Some lubricants can reduce friction and prevent its exchange, some lubricants can reduce the surface stress between rolling surfaces and prolong the service life, and some lubricants can prevent surface rust and fully improve their service rate. Therefore, different lubricants should be selected for different purposes. The lubricant requirements of common linear guide rails are relatively high. Generally, various conditions should be met at the same time. The required conditions are: high stability, high corrosion resistance, high wear resistance, low friction, and high oil film strength.

二、根据润滑油的种类还分为油脂润滑和油润滑，油脂润滑一般要根据条件和环境，而选用不同的油脂，一般情况下每工作100，油脂润滑都需要重新补充。油润滑需要直线导轨涂抹了防锈油，只有涂过了防锈油的直线导轨才能进行油润滑。

2、 According to the type of lubricating oil, it is also divided into grease lubrication and oil lubrication. Generally, different grease should be selected according to the conditions and environment. Generally, the grease lubrication needs to be replenished every 100 kilometers. Oil lubrication requires that the linear guide rail is coated with antirust oil. Only the linear guide rail coated with antirust oil can be lubricated.

三、值得注意的是在温度非常低的使用环境下，润滑油经常会被冲走，从而降低直线导轨的润滑性，因此对于温度低的场所，要时刻注意润滑程度，随时对其进行润滑，提高润滑频率及加油量，使直线导轨得到很好的养护与保养。

3、 It is worth noting that in the service environment with very low temperature, the lubricating oil will often be washed away, so as to reduce the lubricity of the linear guide rail. Therefore, for places with low temperature, always pay attention to the degree of lubrication, lubricate them at any time, and improve the lubrication frequency and oil filling volume, so that the linear guide rail can be well maintained and maintained.

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