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Compared with hydraulic pump hydraulic motor


Hydraulic motor is the pressure of the fluid is converted into mechanical energy equipment, according to the working principle, hydraulic pump and hydraulic motor can be used interchangeably, but the expert reminds the two devices while structure is similar, but is different because of their work, so there are still some differences.
1, hydraulic motors are generally positive &negative, so the structure of the equipment must meet symmetry; But the hydraulic pump is one direction, so there is no this rule.
2, hydraulic pump to reduce oil absorption resistance, reduce the radial force, will often oil suction mouth diameter larger than the oil outlet design. Hydraulic motor internal cavity pressure is greater than atmospheric pressure, so you don't have this regulation.
3, hydraulic motor must be capable of normal operation in large speed range, therefore, must use the sliding bearing or hydrostatic bearing, the motor speed is slow, if use the dynamic pressure bearing, is not conducive to form the lubrication film.
The above content is provided by the ningbo hengtong hydraulic co., LTD. About the summary of the dominance of compared with hydraulic pump, hydraulic motor more knowledge about the hydraulic motor can seek advice at

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