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A polystyrene (PS) sheet line was constructed using a two-stage, vented extruder and a gear pump. On several occasions the bearings on a gear pump would seize. Gear Pump Seizing is as follows.
Extrusion gear pumps is maily used in high temperature and high vidcosity polymer melt transportation,pressurization metering.
Melt pump extrosion becomes crucial, in-cluding preheating of the resin. Batte extrusion involves much lower shear than normal. Feedback control is used to maintain proper head by screw and/or feed control. The reduced output-stability requ
Batte extrusion pump is mainly used in conjunction with extrusion pumpders or kneaders.And the introdutions of the Batte extrusion pump Technical Features
4, the extrusion pump test, it should start low, check the rotation direction is correct; it must be stationary when starting the fan speed and then start to prevent high-speed reverse rotation, causing the switch trips and motor damage.
extrusion pump is a complex structure of the equipment, the main air inlet valve, impeller, motor, the outlet composition. In different states, extrusion pump effect is not the same. Therefore, different operating conditions partly dissentin