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Screw stepper motor

Ball screw stepper motor

By controlling the number of input pulses, the output angle can be accurately to achieve the positioning function.

By controlling the frequency of the input pulse, the output angle speed can be accurately controlled due to the purpose of speed regulation can be achieved.

The motor mainly works at 1000rpm and below.

Mainly used in occasions where low-speed mechanisms require accurate positioning and speed regulation.

Introduction

Specification Table

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There are six sizes of ball screw stepper motors, with external dimensions ranging from 14mm to 86mm. Ball screw motors are externally driven.

There are multiple step sizes available from 0.005mm/step to 0.1mm/step. The maximum thrust can reach 1600N, and encoders can be selected for the entire series.

Ball screw stepper motor is a device that converts rotational motion into linear motion. It combines the characteristics of ball screw and stepper motor, and has the advantages of high precision, high efficiency, and low noise. It is widely used in automated mechanical equipment. The following is a detailed analysis of ball screw stepper motors:

1、 Basic components of ball screw stepper motor

The ball screw stepper motor is mainly composed of ball screw, stepper motor, coupling, bearing seat, sliding seat and other components. Among them, the ball screw is the core component, which converts rotational motion to linear motion through the rolling of balls; The stepper motor provides rotational power and is connected to the ball screw through a coupling to drive its rotation.

2、 Working principle of ball screw stepper motor

When the stepper motor receives a pulse signal, it will rotate a certain angle according to the set step angle. This rotational motion is transmitted to the ball screw through the coupling. As the ball screw rotates, the balls on it roll inside the nut, pushing the nut (or the slide connected to it) to move linearly along the axial direction of the screw. By controlling the number and frequency of pulses received by the stepper motor, the rotation angle and linear movement distance of the ball screw can be accurately controlled, achieving high-precision positioning and motion control.

3、 Characteristics of ball screw stepper motor

High precision: Ball screw has the characteristics of high precision and high rigidity, which can ensure the accuracy and stability of linear motion.

High efficiency: The rolling friction resistance of the ball is small, the transmission efficiency is high, and it can save energy and reduce heat generation.

Low noise: The rolling motion of the ball is smooth, reducing the generation of mechanical vibration and noise.

Long lifespan: Components such as ball screws and bearings have good wear resistance and a long service life.

Adjustable speed: By changing the pulse frequency of the stepper motor, the linear movement speed of the ball screw can be easily adjusted.

4、 Application fields of ball screw stepper motors

Ball screw stepper motors are widely used in various automated mechanical equipment, such as CNC machine tools, 3D printers, automation equipment, robots, etc. They play an important role in these devices, achieving high-precision and high-efficiency linear motion control.





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