Roller stator hydraulic motor as one of the executive components of the hydraulic system, is a hydraulic device that drives the partial rotation of the equipment, roller stator hydraulic motor mainly has the remaining four commonly used technical indicators.
1. Traffic
The hydraulic oil is injected into the hydraulic motor, and the injected hydraulic oil is measured by "flow", that is, the volume of hydraulic oil injected into the motor in one minute, and the unit is "L/min".
Hydraulic oil injected into the motor but also out, otherwise hydraulic oil all gathered in the motor, is to cause an explosion, theoretically, hydraulic oil injection into the motor flow and flow from the hydraulic motor is equal.
The flow rate and the speed of the motor output shaft are related, they are directly proportional, and then we get another invisible parameter of the motor called displacement, that is, when the motor rotates, the volume of hydraulic oil injected or discharged is "ml/r".
The size of the hydraulic motor is measured by displacement, so the size of the motor refers to the displacement.
The flow rate of the hydraulic motor can be determined by the flow meter, and almost every hydraulic system will be arranged with a flow meter to monitor the flow change of the hydraulic system at any time.
2. Pressure
After the hydraulic oil is injected, it is necessary to drive the motor to rotate, so the hydraulic oil needs to have a certain pressure, that is, it needs a force to drive the hydraulic motor to rotate, this driving force is pressure, their unit is not "N", but "MPa", which is a unit of pressure, but in the hydraulic pressure is usually called pressure.
The amount of pressure in the hydraulic motor is determined by the load, not by the motor.
The rated pressure of the motor refers to the allowable pressure value when the motor is running continuously.
The pressure is determined by the pressure gauge, the range of the pressure gauge is selected according to the maximum pressure of the hydraulic system, and it is best to reserve several pressure gauge interfaces when designing the hydraulic system in order to monitor the pressure change of the system at any time.
3. Rotational speed
The speed of the hydraulic motor is a parameter that measures the speed of rotation of the output shaft of the motor, and is generally determined by the customer according to the operating speed of the equipment.
The classification of hydraulic motors is defined according to the speed, divided into high-speed motors and low-speed motors, high-speed motors are generally more than 500 rpm, and low-speed motors are speeds below 500 rpm.
Hydraulic motors generally have a minimum stable speed, below this value, the motor will crawl.
4. Torque
The output shaft of the motor is to drive the mechanical parts to rotate, so the motor must have a certain driving force to drive the mechanical parts up, and the parameter to measure the driving force of the motor is "torque", the unit "Nm", is the force acting on a certain length of force arm.
The amount of torque of the motor is determined by the load, how much torque is required to drive the load, how much torque the motor will provide, if the torque required by the load is too large, the motor will not move the load, which is overload for the motor.
Torque is measured with a torque meter.
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