High Rigidity Conical Twin Screw Barrel Plastic

Zhejiang Zhongyang Screw Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of high rigidity conical twin screw barrel plastic in China. With abundant experience, we warmly welcome you to buy durable high rigidity conical twin screw barrel plastic from our factory. All customized products are with high quality and competitive price.

• Dual High Compression Ratio Design - The conical structure of the screw (large diameter at the feeding section, small diameter at the homogenizing section) forms dual compression ratios (screw diameter gradient + screw groove depth change), which is far higher than that of parallel screw barrels, ensuring full and uniform plasticization of materials, with a plasticization degree of ≥95% and effectively reducing material degradation risk.
• Low Shear Rate & Suitable for Heat-Sensitive Materials - The gradual conical design realizes gentle plasticization and low shear rate, which is especially suitable for processing heat-sensitive materials such as PVC, effectively avoiding material overheating and decomposition, and reducing the consumption of heat stabilizers by 12%.
• High-Quality Alloy Material - Made of high-grade alloy steel (38CrMoALA as standard),
• Professional Surface Treatment - Adopts nitriding treatment (nitriding layer depth 0.45-0.8mm, surface hardness HV≥900) or hard chrome plating (thickness 0.03-0.05mm, hardness ≥1000HV), and the screw edge is welded with bimetallic alloy (alloy layer ≥2mm, hardness HRC60-70), which greatly improves wear resistance and corrosion resistance, and prolongs service life.
• Customizable Specifications - Support customization of screw diameter (40mm-250mm), length-diameter ratio (10:1-24:1), compression ratio, thread design (single flight, double flight), and specifications.
• Energy-Saving & High Efficiency - Reasonable power distribution (large torque at the feeding section, small torque at the discharge section) reduces unit output energy consumption; direct material plasticization and conveying reduce heat loss, and the processing efficiency is 10-15% higher than that of traditional screw barrels.
• Factory Direct Supply - Professional conical screw barrel manufacturer, no middlemen, providing competitive wholesale prices

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