In the transmission industry, the ball screw is an indispensable key mechanical component!

release time:

2022-06-01 16:37

In the transmission industry, the ball screw is an indispensable key mechanical component. It is the most commonly used transmission element in tool machinery and precision machinery. Its main function is to convert rotary motion into linear motion. Due to its small frictional resistance, ball screws are widely used in various industrial equipment and precision instruments. I believe that everyone is familiar with it. Today, I will introduce the structure and design principle of ball screw for everyone. First, I will come to a wave of ball screw structure diagram.


The ball screw consists of a screw, a nut, a steel ball, a pre-press, a reverser, and a dust filter. Its function is to convert rotary motion into linear motion, and the significance of this development is to change the bearing from sliding action to rolling action.

When the ball screw is used as the active body, the nut will be converted into linear motion with the rotation angle of the screw according to the lead of the corresponding specification, and the passive workpiece can be connected by the nut seat and the nut, so as to realize the corresponding linear motion.

Ball screw assemblies are metal, usually steel, and consist of an internally threaded nut and a threaded rod with the helical groove of the nut matching the helical groove of the threaded rod.

Inside the groove, contained within the nut are a number of small balls made of chrome steel. As the balls circulate through the nut, the balls provide smooth motion under the threaded rod, and a deflector or return system holds the balls and circulates them through the nut.


Due to its small frictional resistance, ball screws are widely used in various industrial equipment and precision instruments. It is the most commonly used transmission element in machine tools and precision machinery. Its main function is to convert rotary motion into linear motion, or convert torque into axial reciprocating force, with high precision, reversibility and high efficiency. Features.


High precision screw lift RNG040

Screw diameter: 32/40mm

Static load: maximum 6343KG/7988KG;

Dynamic load: maximum 1922KG/2110KG;

Maximum input revolutions: 1500RPM;

Maximum stroke: 6000mm;

Ball screw lifts are up to 90% efficient when used with a motor. They are fairly accurate, within a few thousandths of an inch per foot. Ball screw elevators are used for precise control in many industries, including the aerospace, computer, electronics, automotive and medical industries.

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