PM Stepper Motor Supplier
Our permanent magnet stepper motors are mostly 2-phase in sizes ranging from 20 to 86 mm, and the step angle is 3.75°,7.5°, 15° or 18°. And provide precise control, high reliability, low maintenance and energy efficiency, compatibility with various control systems for versatile applications.
By offering these customizable options, we meet a wide range of customer needs and increase the usability in different applications:
- Customization Options
- Custom Windings
- Shaft Modifications
- Mounting Configurations
- Connector Options
PM STEPPER MOTOR Structure
This overview offers a comprehensive understanding of Permanent Magnet motors and their components. For more details on any specific part or type of PM motor, feel free to ask!
- Stator: Magnetic fields are produced by windings, and a spinning magnetic field is produced by pole pairs.
- Rotor: Permanent magnets on the rotor interact with stator fields, supported by a core.
- Shaft: The central axis that connects the rotor to the external mechanical load.
- Bearings: Support the shaft, allowing smooth and stable rotation.
- Housing: Encases and protects the internal components from dust, debris, and damage.
- End Bells/Caps: Attached to housing ends, containing bearings and providing structural support.
- Terminal or Connector: The interface for electrical connections to the windings.
Featured products
From 0 to N - Full Motor Solutions
By Operation Modes
Each operation mode of a PM stepper motor offers different advantages and trade-offs, making them suitable for a wide range of applications.
Microstepping
Description
- This mode involves dividing the current between the motor windings in smaller increments.
Characteristics
- Provides the highest resolution and smoothest motion.
- Reduces vibration and noise.
- Often used in applications requiring precise control, such as CNC machines or 3D printers.
Synchronous Operation
Description
- The motor is driven at a constant frequency, matching the input pulses to the motor’s natural stepping frequency.
Characteristics
- Guarantees constant, fluid mobility.
- Used in applications where consistent speed is crucial.
By Control Methods
Control methods for permanent magnet type stepper motor are designed to effectively manage the motor’s position, speed, and torque.
Open-Loop Control
- Easy and economical to use, providing cost-effective and user-friendly solutions.
- Perfect for applications where precision is not necessary.
- Commonly used in printers, basic CNC machines, and simple automation tasks.
Closed-Loop Control
- Improves reliability and accuracy.
- Compensates for steps missed or external disturbances.
- Utilizes encoders or resolvers for feedback.
- Used in high-precision applications like robotics and advanced CNC machines.
Current Control
- Ensures consistent torque regardless of speed variations.
- Prevents motor overheating by limiting current.
- Used in applications where maintaining constant torque is crucial.
Applications
Printers and Scanners: PM stepper motors are commonly used in printers and scanners for positioning the print head and moving paper.
Small Robotics: Due to their cost-effectiveness and sufficient torque at low speeds, PM stepper motors are often used in small robotic applications and hobby projects.
Security Cameras: They are used in pan and tilt mechanisms for security cameras to provide smooth and precise movement.
Automotive Instrumentation: PM stepper motors can be found in automotive dashboards for gauge control and needle positioning.
Textile Machinery: PM stepper motors are utilized in textile machinery to provide precise control over thread and fabric movement.
Vending Machines: PM stepper motors are used to control the dispensing mechanisms in vending machines.
FAQ
Can a PM stepper motor be used for continuous rotation?
Yes, a PM stepper motor can be used for continuous rotation by continuously sending pulses to the motor driver. However, stepper motors are typically used for applications requiring precise control of position and speed rather than high-speed continuous rotation.
How do I select the appropriate PM stepper motor for my industry?
Choosing the right PM stepper motor involves considering factors such as the required torque, step angle, speed, voltage, and current ratings, as well as the specific requirements of your application.
Are high speeds possible for PM stepper motors?
PM stepper motors are generally more efficient at lower speeds. While they can run at higher speeds, their performance and torque may decrease compared to hybrid stepper motors.
Are PM stepper motors suitable for precise positioning applications?
Yes, PM stepper motors are suitable for applications requiring precise positioning, especially when high precision and fine resolution are not critical.
How does the operation of a permanent magnet stepper motor differ from a variable reluctance stepper motor?
A permanent magnet stepper motor uses a magnet rotor for higher low-speed torque, while a variable reluctance motor has a soft iron rotor without magnets.
How can a permanent magnet stepper motor's performance be maximized?
Optimize performance by matching the motor with a precise current control driver, selecting correct microstepping settings, ensuring proper alignment, and minimizing friction and load inertia.
