In the design and selection of ball screw, we need to consider many parameters. Operating load, speed, accuracy, environment and power requirements are very important conditions in the design standard. Whether the design engineer chooses rolling ball screw or precision grinding ball screw, the lubricant factor must be fully considered. The friction efficiency of the screw can be reduced and the friction life can be prolonged by using the lubricant. The reason why ball screw can keep the advantage of low friction is to reduce the rolling resistance between the ball and the raceway surface and the sliding friction force between the adjacent balls.

進行潤滑和補充潤滑之前，必須對滾珠絲杠副進行徹底的清潔，以所有的污染物。污染物是造成滾珠絲杠過早失效的一個主要原因。正確的潤滑可以避免大多數污染物進入絲杠螺母中，這大大降低了外部污染物可能會造成的損害。滾珠絲杠組件在運輸和儲存的過程中一般使用了防銹油，在使用更終選用的潤滑劑之前，應該完全擦掉防銹油。

Before lubrication and supplementary lubrication, the ball screw pair must be thoroughly cleaned to remove all contaminants. Contamination is one of the main reasons for premature failure of ball screw. Proper lubrication prevents most contaminants from entering the screw nut, which greatly reduces the damage that may be caused by external contaminants. Anti rust oil is generally used in the process of transportation and storage of ball screw assembly. Before using the final lubricant, the antirust oil should be completely wiped off.

可以采用多種方法向滾珠絲杠副加注潤滑劑并使潤滑劑保持在螺母內。例如，使用脂潤滑時，通過螺母本體或螺母法蘭盤上的注脂孔將潤滑脂加入螺母內，螺母兩端有刮刷片或密封圈來防止潤滑脂溢出以及外部污染物進入螺母；使用油潤滑時，需要一套帶有泵、過濾系統的潤滑裝置，并要考慮注油方法

A variety of methods can be used to add lubricant to the ball screw pair and keep the lubricant in the nut. For example, when grease lubrication is used, grease is added into the nut through the grease injection hole on the nut body or nut flange plate, and there are wiper blades or sealing rings at both ends of the nut to prevent grease overflow and external pollutants from entering the nut; when using oil lubrication, a set of lubrication device with pump and filtration system is needed, and the oil injection method should be considered

為滾珠絲杠副選擇合適的潤滑油或潤滑脂可以減少維修停機時間，可以使產品達到設計使用壽命。

Choosing the right lubricating oil or grease for ball screw pair can reduce the maintenance downtime and make the product reach the design service life.