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Hydraulic motor has a low speed crawling factor

Hydraulic motor has a low speed crawling factor

Hydraulic motor has a low speed crawling factor

  1. The amount of leakage is unstable. Its leakage is not the same every moment, it is periodically fluctuated with the change of the phase angle of the rotor. Because the flow rate into the motor is relatively small at low speeds, the proportion of leakage is relatively large, and the instability of the leakage will significantly interfere with the flow value of the motor operation, thus making the rotation speed of the motor unstable.      
  2. The size of the friction is unstable. Ordinary friction is increased as the speed becomes larger, but the frictional resistance inside the motor running in the stationary and low-speed regions is not the same. When the working speed is slightly increased, the frictional resistance does not increase, but decreases. . On the other hand, the hydraulic motor and the load are pushed by the pressure rise after the hydraulic oil is compressed.
  3. The motor speed is too low. When the motor speed is too low, leakage can not be avoided due to the gap between the machines, and the leakage amount inside each plunger post is different. This will cause a discordant slip between the motor speed and the crankshaft. Crawling phenomenon.
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