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HMR series Orbital motor

HMR series Orbital motor

  • Category:BM series orbital hydraulic motor
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  • Release time:2022-02-15 16:29:05
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Structural features:


● The design of fixed rotor with inserted column, high oil distribution accuracy and mechanical efficiency.


● Imported shaft seal, can withstand high back pressure.


● A variety of oil port, flange, output shaft and other connection forms.


● Steady speed, easy to reverse and reverse conversion.


● Small volume, compact structure.


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1. Discontinuous refers to the maximum pressure at the entrance, and continuous working pressure refers to the difference of working pressure.


2. The motor should not work under the highest pressure and the highest speed at the same time.


3. The running time of the motor should not exceed 10% under intermittent working conditions.


4. Maximum operating temperature 80°.


5. The maximum allowable back pressure of the motor is 10MPa, but it is recommended that the back pressure should not exceed 5MPa. If the back pressure exceeds 5MPa, the leakage pipe should be connected.


6. It is recommended to run the motor under 40% of the maximum working pressure for 1 hour before working at full load.


7. It is recommended to use 68# anti-wear hydraulic oil, viscosity 37-73CST, cleanliness ISO18/13.




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When the high pressure oil enters from the oil inlet, the adjacent three chambers enter the high pressure oil. Under the direct influence of steam pressure, the spiral swing hydraulic motor rotates according to the expansion of volume between teeth of the high pressure chamber. Because the motor rotor is firmly immobile, the rotor of the rotary wheel line motor is distorted around its axis at low speed, in addition, it also rotates rapidly in reverse rotation around the middle of the motor rotor. When the rotation of the wheel line motor rotor rotation along the motor stator transfer changes, the oil suction cavity ceaseless change, but continuous to the two middle as the boundary of the two cavities, that is, tooth volume ceaselessly expanding for high pressure cavity and tooth volume ceaselessly shrinking for high pressure cavity. Rotation 1 turn (each tooth volume for 1 time into, back to the cargo ship) rotation 1 tooth, that is, rotating wheel line motor rotor rotation 6 laps, only 1 personal biography, rotation and rotation of deceleration ratio 6∶1. When the rotor of the rotary wheel line motor rotates 1 turn, the change of oil in and out of 42 cavities is carried out. Low speed gear large torque oil motor valve plate is stimulated by small linkage shaft with the rotor of the rotating wheel line motor with continuous distortion, continuous flow distribution obligation, so that the volume of the high pressure chamber continues to expand, promoting the rotor of the rotating wheel line motor ceaseless distortion. The rotation mechanical energy of the rotor of the hydraulic motor is sent to the input shaft according to the long linkage shaft, so that the input shaft continues to distort the input torque.

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