Conical Twin Screw Barrel
High-Strength Alloy Core
Deep Nitriding
Custom Screw Design
Conical Twin Screw Barrel — Durable Alloy Construction with Custom Screw Design for Stable, Long-Life Extrusion.
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Standard & Custom Sizes: 35/76 to 92/188 standard specifications; tailored dimensions available.
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High-Strength Material: 38CrMoAlA (JIS SACM645) alloy steel for thermal stability and wear resistance.
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Deep Nitriding Protection: 0.50–0.80 mm nitrided layer, 900–1000 HV surface hardness.
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Precision Machining: Ra 0.32 surface finish; screw straightness ≤ 0.015 mm.
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Extended Service Life: Alloy coating (2–3 mm, HRC 58–65) for abrasive and filled formulations.
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Formula-Driven Design: Screw geometry optimized to match product type and processing recipe.
