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、在潤滑劑的選擇上，我們要根據實用性來進行選擇，有的潤滑劑的功效是降低摩擦，防止其交換的，有的潤滑劑的功效是減少滾動面之間的表面應力，延長壽命的，還有一些潤滑劑可以防止表面生銹，充分提高其使用率的。因此在不同的目的上，要選擇不同的潤滑劑，常見的直線導軌所需要的潤滑劑要求比較高，一般要同時滿足多種條件，需要的條件有：穩定性高，耐腐蝕性高，耐磨損性高，低摩擦，同時還要有很高的油膜強度。

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、根據潤滑油的種類還分為油脂潤滑和油潤滑，油脂潤滑一般要根據條件和環境，而選用不同的油脂，一般情況下每工作100，油脂潤滑都需要重新補充。油潤滑需要直線導軌涂抹了防銹油，只有涂過了防銹油的直線導軌才能進行油潤滑。

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、值得注意的是在溫度非常低的使用環境下，潤滑油經常會被沖走，從而降低直線導軌的潤滑性，因此對于溫度低的場所，要時刻注意潤滑程度，隨時對其進行潤滑，提高潤滑頻率及加油量，使直線導軌得到很好的養護與保養。

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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