Precautions for the use of hydraulic motors

1. When the inertia of the driven part is large, if it is required to achieve braking or reversing and smoothing in a short time, a safety valve buffer should be set in the oil return circuit to prevent damage caused by sudden hydraulic shock. 
2. When using a quantitative motor, if you want to start and stop smoothly, you should use the necessary pressure control or flow control methods in the circuit design. 
3. When the hydraulic motor is used as the power part of the hoisting tool or the walking device, a speed limit valve must be set to prevent the heavy object from falling rapidly or the vehicle and other walking mechanisms from overspeed when going downhill, which may cause serious accidents.
4. Since the hydraulic motor always leaks, the inlet and outlet of the hydraulic motor are closed for braking, and it will still slip slowly. When braking for a long time, an additional brake to prevent rotation should be provided.
5. When starting with full load, attention should be paid to the starting torque value of the hydraulic motor, because the starting torque of the hydraulic motor is smaller than the rated torque. If it is ignored, the working mechanism will not be able to operate.
6. Since the oil return back pressure (outlet pressure) of the hydraulic motor is higher than the atmospheric pressure, the oil drain pipe of the motor must be led back to the oil tank separately and cannot be connected with the oil return line of the hydraulic motor.

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