Measures to improve the service life of 2CG series gear pump
2023-02-05 14:10:06
1, 2CG series gear pump running at high temperature, so the cold pipe should be installed on the hinge support seat, to prevent the displacement pipe after warming. 2, the coupling must be heat pump after heating to find the correct, in order to avoid running additional torque. 3,2CG series gear pump outlet pressure measuring point to be interlocked to stop the alarm, otherwise, once the discharge pipe blocked, easy to cause damage to the pump. 4,2CG series gear pump start, no pressure in the export formation, you can not blindly speed, in order to prevent premature failure of the shaft or bearing. 5, cleaning pipetting, do not pump delivery of cleaning fluid, the inner part should be removed, pipetting after the end of installation, so as to avoid foreign matter in the pump. 6, 2CG series gear pump pump heat medium jacket temperature can be slightly lower than before and after the jacket heat medium temperature. Because the melt viscosity and shear rate as a decreasing function, the gear extrusion, bearing shear will make the melt temperature rise after the pump 3 ~ 5 ℃, reduce the heat medium temperature to prevent the melt degradation. Data show that by reducing the bearing zone temperature can greatly increase bearing capacity, do not need to replace the large-capacity pump, just by increasing the speed can be used gear pump output capacity increased by 50%. 7, speed to be slow, do not make the sharp rise in pressure before and after, in order to avoid damage to the bearings or melt blocked the lubrication channel. 8,2CG series gear pump outlet after the melt filter to be replaced on a regular basis, do not long-term high pressure and pressure in the upper limit of operation. 9, Regular replacement of bearings can save maintenance costs. When it is found that the amount of wear on the inner surface of the shaft or bearing is close to the thickness of the hardened layer, the shaft can be polished and reused, replacing only the bearing. This prolongs the life of the shaft by 8 to 10 years.
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