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Installation method of hydraulic pump of hydraulic press

by:WORLD     2022-09-06
Improper installation of the hydraulic pump of the hydraulic press will cause noise and vibration, affect the working performance and reduce the service life, and should be installed in accordance with the following requirements.

(1) The support or flange of the pump and the motor should have a common installation foundation. The foundation, flange or support must have sufficient rigidity. Install rubber vibration isolation pads under the base and between the flange and the bracket to reduce noise.

(2) Hydraulic pumps are generally not allowed to bear radial loads, so motors are commonly used to drive directly through elastic couplings. When installing, it is required that the shaft of the motor and the hydraulic pump should have a high degree of coaxiality, the deviation should be less than 0.1mm, and the inclination angle should not be greater than 10 to avoid increasing the extra load of the pump shaft and causing noise.

(3) For the self-priming pump installed on the oil tank, usually the distance from the center of the pump to the liquid level of the oil tank should be less than 500mm; for the pump installed under or beside the oil tank, in order to facilitate maintenance, a cut-off reading should be installed on the suction pipe.

(4) The inlet, outlet position and rotation direction of the hydraulic pump should meet the requirements marked on the pump, and must not be reversed.

(5) Tighten the connecting screws of the oil inlet and outlet pipe joints, and the sealing device must be reliable, so as not to cause air suction and oil leakage, which will affect the working performance of the pump.

(6) Coarse filters can be installed on the suction pipes of gear pumps and vane pumps, but oil filters are generally not installed on the suction ports of plunger pumps.

(7) When installing the coupling, do not knock the pump shaft hard, so as not to damage the rotor of the pump.

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