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Batte Machinery Zhengzhou Co., Ltd.
E-mail: info@battemachinery.com
whatsapp: +86 158 38331071
Tel: +86 371 67991755
After-sales Tel: +86 371 67997677 / 67997877
Address:No.11 Changchun Road, High-tech Zone, Zhengzhou, China.

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Comprehensive interpretation of rubber extrusion melt pump: from structure to performance advantages

The rubber extrusion melt pump is a key equipment used in rubber and elastomer extrusion systems, mainly for conveying, pressurizing, stabilizing, and metering the melt during the rubber extrusion process. Its working principle is based on the positive displacement conveying principle, which forms a closed working volume through the meshing of the driving gear and the driven gear inside the pump casing. With the rotation of the gear, the working volume continuously changes, thereby achieving the suction, conveying, and discharge of the melt.

rubber extrusion melt pump

Rubber extrusion melt pumps are usually composed of key components such as motors, reducers, universal couplings, pump heads, and control systems. The pump head is the core component, consisting of the pump casing, front and rear side covers, gear shaft, sliding bearings, and shaft seal. The pump casing is usually manufactured using integral casting technology to ensure structural strength and sealing performance; The gear shaft adopts a straight or helical tooth design to ensure efficient transmission; Sliding bearings are made of special alloy materials, which have good wear resistance and corrosion resistance; The shaft seal adopts a spiral outward discharge design to prevent melt leakage.

polymer melt gear pump

Rubber extrusion melt pumps are widely used in the extrusion molding field of plastics, resins, rubber, and chemical fiber products, including granulation, film, pipe, plate, sheet, artificial fiber, optical fiber, and medical plastic conduit production. In these fields, rubber extrusion melt pumps can ensure stable pressure and precise flow rate of the melt during transportation, effectively avoiding common pressure fluctuations and uneven flow problems in traditional extrusion systems, and improving production efficiency and product quality.

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