Noise can significantly interfere with normal conversations, reduce cognitive abilities, cause fatigue, and disrupt sleep, rest, and work. Vibration is often the root cause of noise. Therefore, while managing noise, it's also important to control vibration. This is why we analyze the motor for you. In this article, we will discuss the noise and vibration issues associated with the Dalan Motor Xiao Bian.
Improper operation of a stepper motor can easily lead to a "squeaking" sound and excessive vibration. When the motor is in a stationary position during driving, it may emit a noticeable noise that resembles rapid coil changes. This is usually caused by an overly high current in the motor coils. To address this issue, one effective method is to reduce the current flowing through the motor’s coils. This can be done by setting the driver to automatically switch to half-current when the motor is stopped or by lowering the drive current.
If you notice significant noise and vibration from your stepper motor during operation, follow these steps to check:
1. Ensure that the stepper motor and driver are properly matched. If they are not, adjustments such as subdivision settings, current levels, and speed may not be effective. From my own experience, I once encountered a situation where Raytheon motors driven by other brands of drivers produced loud noises and vibrations under the same conditions, causing additional noise in the mechanical structure. It is recommended to purchase the motor and driver as a set and ensure that both are from reliable manufacturers. Many different brands offer similar types of drivers on the market.
2. Stepper motor drivers come in two main types: digital and analog. Analog drivers tend to produce more noise, while digital ones are generally quieter. This is because digital drivers often include a DSP chip that optimizes performance. For minimal noise and vibration, it is advisable to use a digital driver.
3. Adjust the subdivision and current settings correctly. The higher the subdivision, the smaller the coil current changes, which helps reduce noise. At the same time, make sure the motor has enough torque to handle the load by keeping the drive current as low as possible. Lowering the parameter settings results in smaller coil current fluctuations in the same motor.
4. Set the acceleration and deceleration properly, along with the maximum operating speed. Experiments have shown that steppers are more prone to generate extra noise during acceleration and deceleration. The solution is to increase the deceleration appropriately, as long as the motor does not lose steps during the process.
----- Editor: Dalan Oil Pump Motor 02 - Procurement Consultant
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