Melt Pump for PC/PMMA Optical Lampshade Extrusion Production Line

PC and PMMA are dominant optical materials for lighting lampshades, valued for their high light transmittance, excellent weather resistance and uniform optical performance. The extrusion production of precision optical lampshades demands extremely stable melt delivery, as minor flow or pressure fluctuations will cause wall thickness deviation, surface ripples, shrinkage marks and uneven light transmission, severely compromising product quality. As a core positive displacement conveying device, the melt pump has become an essential component for high-precision PC/PMMA optical lampshade extrusion lines.

Installed between the extruder and die head, the melt pump effectively isolates periodic pressure and flow fluctuations generated by the extruder screw rotation. Featuring a precise gear meshing structure, it delivers a melt output strictly proportional to rotational speed, achieving constant-pressure and constant-flow material transportation. This stable conveying process completely solves the common defects of traditional extrusion, such as inconsistent lampshade wall thickness and distorted optical texture, ensuring uniform light diffusion and flawless surface finish of finished optical lampshades.

In addition to improving product precision, the melt gear pump optimizes the overall operation of PC/PMMA extrusion lines. It reduces the working load of the extruder, lowers screw and barrel wear, and extends the service life of core equipment. Meanwhile, it improves material utilization and product yield, cutting production and maintenance costs significantly. Designed with high-temperature and high-precision sealing structures, the pump adapts perfectly to the high-temperature melting environment of PC and PMMA, maintaining long-term stable operation and meeting the mass production requirements of high-standard optical lampshades.

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