Achieving High-Precision Positioning with Stepper Motors: Simplicity and Accuracy Combined
Have you ever wished for a way to achieve precise positioning in your designs without complex control systems? Many engineers and designers face this challenge when developing new equipment. Fortunately, stepper motors offer a compelling solution by enabling high-precision positioning with surprisingly simple control.
Why Stepper Motors Excel in High-Precision Positioning
1. Direct Control via Pulse Frequency
One key reason stepper motors excel in this area is that their rotation speed is directly controlled by the input pulse frequency. Each time a pulse signal is sent, the motor rotates by a fixed angle. By carefully adjusting the frequency of these pulses, you can accurately move an actuator to the desired position, thus achieving high-precision positioning. The step angle itself varies depending on the motor’s number of phases and can be further divided through driver control for even finer movements.
2. Strong Holding Torque
Stepper motors possess a strong stopping force, also known as holding torque. This structural feature, which utilizes magnetism to maintain the motor’s position, makes them ideal for applications requiring precise and stable stops.
3. Simplified System Design with Open-Loop Control
Unlike servo motors, which require detectors and feedback loops, stepper motors utilize open-loop control. This simplifies the system design and contributes to cost reduction by eliminating the need for a detector.
Advantages of Stepper Motors in Various Applications
Stepper motors provide a straightforward yet effective method for achieving high-precision positioning. Their reliance on pulse frequency for control and inherent holding torque, coupled with the simplicity of open-loop operation, makes them a valuable tool for a wide range of applications, including:
- Robotics: Precise control of robotic arms and automated systems.
- Packaging: Accurate positioning in packaging machinery.
- Semiconductor Manufacturing: Stable and precise movements in semiconductor equipment.
Also, read our blog on Micromachining application with stepper motors:
Master Micromachining: SANYO DENKI Stepper Motor System’s Superior Accuracy and Speed
Conclusion
In conclusion, stepper motors offer a simple yet powerful solution for achieving high-precision positioning in various applications. Their direct control via pulse frequency, strong holding torque, and simplified system design make them an excellent choice for engineers and designers looking to enhance the accuracy and reliability of their equipment.
Stay tuned for more insights and updates on how stepper motors and other motion control technologies can benefit your designs. If you have any questions or need further information, feel free to reach out to our team.