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Through shaft axial piston pumpThrough shaft axial piston pump
c. Variable displacement pump with auxiliary pump figure B shows the structure of through shaft variable displacement axial piston pump with auxiliary pump. The back end cover of the main pump of the pump is equipped w创建于04.25
Main parameters and common problems of hydraulic pumpMain parameters and common problems of hydraulic pump
1.6.8 hydrostatic pressure balance
In the hydraulic pump, usually one side is high pressure, the other side is low pressure, so it will produce an unbalanced hydraulic force. This force acts on th创建于04.25
Main parameters and common problems of hydraulic pumpMain parameters and common problems of hydraulic pump
1.6.4 cavitation and suction performance of hydraulic pump
As we all know, high pressure and high speed is an important way to reduce the size and weight of hydraulic pump. However, one of the ob创建于03.26
The service life of hydraulic motor mainly depends on the service life of bearing and the wear of working components1.7.10 service life
The service life of hydraulic motor mainly depends on the service life of bearing and the wear of working components. The actual service life of the motor is generally longer than that of the pump of the same specification. Becaus创建于03.26
Main parameters and common problems of hydraulic pumpMain parameters and common problems of hydraulic pump
1.6.11 installation flange and shaft extension dimension series
The installation flange of hydraulic pump includes diamond, square, polygon (including circle), cylindrical shaft extension, 1:10 co创建于03.21
Manual servo variable mechanismManual servo variable mechanism
② Composition, principle and characteristics of typical variable mechanism
a. Figure o (a) of manual servo variable mechanism shows a typical structure of manual servo variable mechanism, which is composed of servo val创建于03.21
Constant pressure control variable and constant flow controlConstant pressure control variable and constant flow control
b. The constant pressure variable mechanism in the constant pressure variable pump regulates the output flow of the pump through the difference between the pump outlet pressure and the set 创建于03.20
Gear motorGear motor
2.2.1 type characteristics
(l) Classified gear motor is a hydraulic motor based on meshing principle, which belongs to high-speed hydraulic motor. It is the simplest structure of various hydraulic motors. Its detailed classification is sho创建于03.20
Working principle of axial piston pumpWorking principle of axial piston pump
④ Cylinder bore and plunger pair In order to avoid stress concentration, the edge of the cylinder bore should be polished and rounded; in order to prolong the service life of the cylinder, some of the piston bor创建于03.17
Selection of basic parameters(3) Selection of basic parameters
① The rated pressure of hydraulic pumps with different working pressure types and specifications is also different.
The output pressure PP of the hydraulic pump shall be the sum of the pressure P1 required by the act创建于03.17
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