Low-Speed Crawling Problem: The Impact of High-Precision Stator-Rotor Pairs on Motor Speed Uniformity
Apr 18, 2026| When agricultural machinery or harvesters operate at low speeds, if the motor exhibits crawling motions, it will ruin the entire machine's operational precision, affecting normal operation and work efficiency.
Why does this crawling occur? Is it due to the motor itself, external factors, or a problem with the machine itself?
First, if the problem lies with the motor, it's highly likely due to insufficient precision in the stator-rotor pair. The stator-rotor pair is the core component of the motor; if the fit is inaccurate, internal leakage and instability will occur, leading to vibration. Therefore, higher precision in the stator-rotor pair results in more stable torque output, thus preventing motor vibration.
Besides inherent motor issues, system-related factors frequently cause motor vibration.
If the system flow rate is too low to drive the motor, vibration is also likely to occur.
Other factors such as system pressure, air contamination in the hydraulic fluid, and excessively low system oil temperature can all affect the normal operation of the motor.
Of course, another reason for motor vibration is uneven motor load.
A motor is not a simple structural component; in mechanical equipment, it plays a crucial role as a core driving component. Therefore, when our products require orbital hydraulic motors, we must conduct thorough research and select the appropriate model and a reliable manufacturer.
