The hydraulic pump is the power component of the hydraulic system. Its function is to convert the mechanical energy of the prime mover into the pressure energy of the liquid. It refers to the oil pump in the hydraulic system, which provides power to the entire hydraulic system. What should we do when the hydraulic pump produces noise?
1) The filter of the pump is blocked by dirt and cannot function as a filter: remove the dirt with a clean cleaning oil.
2) The oil level is insufficient, the oil suction position is too high, and the oil suction pipe is exposed to the oil surface: refueling to the oil standard position, reducing the oil absorption position.
3) There is no paper pad on both sides of the pump body and the pump cover; the pump body and the pump cover are not vertically sealed: air is sucked during rotation: a paper pad is added between the pump body and the pump cover; the pump body is ground with a diamond on the plate to make the pump The verticality error between the body and the pump cover shall not exceed 0.005mm, and the connection between the pump body and the pump cover shall be tightened, and there shall be no leakage.
4) The drive shaft of the pump is not concentric with the motor coupling, and there is a twisted friction: adjust the concentricity of the pump and the motor coupling so that the error does not exceed 0.2 mm.
5) The meshing precision of the pump gear is not enough: the grinding gear reaches the gear meshing precision.
6) The oil seal skeleton of the pump shaft falls off, and the pump body is not sealed: replace the qualified pump shaft oil seal.
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Label: Causes and troubleshooting of hydraulic pump noise
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