What is a ball screw? Also known as the ball screw, it is an ideal product to convert the rotary motion into the linear motion or the linear motion into the rotary motion. Ball screw consists of screw and nut! Its function is to transform the rotary motion into the linear motion, which is the further extension and development of the ball screw. The important significance of this development is to change the rolling action into the sliding action of the bearing. Due to its small friction resistance, ball screw is widely used in various industrial equipment.

滚珠丝杆的原料：1、按照国标GB/T17587.3-1998及应用实例，滚珠丝杠（已基本取代梯形丝杆，俗称丝杆）是用来将旋转运动转化为直线运动；或将直线运动转化为旋转运动的执行元件，并具有传动效率高，定位准确等

Raw materials of ball screw: 1. According to the national standard GB / t17587.3-1998 and application examples, ball screw (which has basically replaced trapezoidal screw rod, commonly known as screw rod) is used to convert rotary motion into linear motion, or convert linear motion into rotary motion, and has high transmission efficiency and accurate positioning

2、当滚珠丝杠作为主动体时，螺母就会随丝杆的转动角度按照对应规格的导程转化成直线运动，被动工件可以通过螺母座和螺母连接，从而实现对应的直线运动。

2. When the ball screw is used as the driving body, the nut will be transformed into linear motion according to the corresponding specification lead with the rotation angle of the screw rod. The passive workpiece can be connected with the nut seat to realize the corresponding linear motion.

滚珠丝杆使用时要注意哪些事项？

What should be paid attention to when using ball screw?

1、润滑

1. Lubrication

使用滚珠丝杆时，具有足够的润滑，如果润滑不够会发生与金属接触，导致摩擦与磨耗的增加，造成故障或是寿命短等。

When the ball screw is used, it has enough lubrication. If the lubrication is not enough, it will contact the metal, resulting in increased friction and wear, resulting in failure or short service life.

2、防压

2. Anti pressure

滚珠丝杆与滚动轴承一样当有混入异物或水分等时，磨损会增加，有时会导致破损。

Like the rolling bearing, the ball screw will wear more when there is foreign matter or moisture mixed in, and sometimes it will cause damage.

3、偏荷重

3. Partial load

当偏荷重现象发生时，将直接影响丝杆的寿命及噪音，且多随着运转不顺的手感，若丝杆空载时与组装后顺畅度不同，除了注意丝杆本身的精度外，大多是组合精度不好产生偏荷重现象。

When the eccentric load occurs, it will directly affect the service life and noise of the screw rod, and most of them are due to the poor handle of the screw rod. If the smoothness of the screw rod is different from that after assembly when it is unloaded, in addition to paying attention to the accuracy of the screw rod itself, the phenomenon of unbalanced load is mostly caused by poor combination accuracy.

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