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Progressive cavity metering pump(PCP) which is especially good for the transmission of high viscosity liquids containing solid grains has been wildly used in electronic packaging industry in recent years. Due to the existence of pipeline pressure, adequate hydraulic sealing pressure is necessitated to prevent back-flow especially in high accuracy liquid transmission situations. There is a positive correlativity between hydraulic sealing pressure and contact pressure of PCP, so three-dimensional finite element models of PCP with high quality hexahedral mesh divided by ANSYS-ICEM is established to study the effect of stator pitch and stator thickness on contact pressure of PCP.

Numerical Simulation about the Effect of Stator Pitch and StatorThickness on Contact Pressure of Progressive Cavity Pump