The hybrid screw stepper motor comes in eight sizes, with external dimensions ranging from 14mm to 86mm. There are three structural options available: external drive, through shaft, and fixed shaft. There are multiple step sizes available, ranging from 0.0015mm/step to 0.127mm/step. The maximum thrust of the motor can reach 2400N. The entire series of motors can be equipped with encoders.
Screw stepper motor, also known as linear stepper motor, is a special type of stepper motor that converts rotational motion into linear motion through a screw and nut mechanism. The following is a detailed analysis of the screw stepper motor:
1、 Basic composition and working principle
Basic composition: The screw stepper motor is mainly composed of a stepper motor, a screw, and a nut. The stepper motor provides rotational power, the screw is a metal rod with a spiral pattern, and the nut cooperates with the screw to achieve the conversion of rotation to linear motion.
Working principle: The stepper motor is driven by applying a pulse signal. Upon receiving a pulse signal, the motor rotates once according to a fixed step pitch. The threaded coupling between the screw and nut allows the nut to move linearly along its axis direction as the screw rotates. This conversion mechanism enables the screw stepper motor to achieve high-precision linear motion control.
2、 Characteristics and advantages
High precision: Due to the precise fit between the screw and nut mechanism, the screw stepper motor can achieve high-precision linear motion control.
High efficiency: The application of high-efficiency transmission components such as ball screws enables screw stepper motors to have high transmission efficiency.
Low noise: The screw stepper motor has low noise during operation and is suitable for situations with high requirements for working environment noise.
Self locking ability: When the control pulse stops inputting, the screw stepper motor can rely on its self-locking ability to maintain its current position without the need for additional braking devices.
Simple structure: The structural design of the screw stepper motor is relatively simple, making it easy to install and maintain.
3、 Application Fields
Screw stepper motors are widely used in various fields due to their high precision, high efficiency, and other characteristics
3D printer: used to control the X, Y, and Z axis movements of the print head to achieve precise printing.
CNC machine tool: Control the position of the tool or worktable to achieve precise machining of the workpiece.
Automated equipment, such as automatic dispensing machines, assembly equipment, etc., require precise linear motion control.
Robots: Used for controlling robot joints and linear drive systems to improve the motion accuracy and stability of robots.
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