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Supply high temperature BOPA biaxially oriented film melt pump gear melt pump
High-temperature BOPA biaxially oriented film melt pump, Haike melt pump is a type of positive displacement conveying equipment. With high-precision gear clearance and volumetric design, it ensures stable and balanced extrusion. It has been widely applied in various production lines such as chemical fiber, granulation, plastic film, sheet, profile, pipe, wire and cable, wire drawing, and composite extrusion, achieving excellent results.
1. Achieve stable extrusion and improve product dimensional accuracy. During the extrusion process, issues like uneven feeding, temperature fluctuations in the barrel and die, and screw speed pulsation are hard to avoid. The use of a melt gear pump can eliminate feeding errors from the feeding system, significantly reduce fluctuations from upstream processes, and quickly stabilize the working state. This leads to better dimensional accuracy of extruded products and reduces the scrap rate.
2. Increase production efficiency, lower energy consumption, enable low-temperature extrusion, and extend machine life. By equipping the extruder with a polymer melt pump, the decompression function is transferred to the gear pump, allowing the extruder to operate under low pressure and low temperature conditions. This greatly reduces leakage flow and improves output. The gear pump can more effectively establish head pressure than the extruder, reducing the back pressure on the extruder and thus decreasing the axial force on the screw, which extends its service life.
3. Provide linear extrusion characteristics, making it easier to coordinate with upstream and downstream equipment. Since the gear pump has minimal leakage flow, its conveying capacity is nearly linear with speed. Once the gear pump’s speed changes, the flow rate can be accurately predicted. This allows for precise control of the working speed of upstream and downstream equipment. Data such as pressure and temperature at the inlet and outlet of the gear pump can be used for real-time monitoring and feedback control throughout the entire extrusion process.
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Editor: Hardware Business Network Information Center