High-Performance Conical Twin Screw Barrel For Cincinnati Extruders
Zhejiang Zhongyang Screw Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of high-performance conical twin screw barrel for cincinnati extruders in China. With abundant experience, we warmly welcome you to buy durable high-performance conical twin screw barrel for cincinnati extruders from our factory. All customized products are with high quality and competitive price.
Product Description
We supply direct replacement conical twin screw and barrel assemblies for a wide range of Cincinnati conical twin screw extruders. Our components are reverse-engineered or produced from original drawings to guarantee exact dimensional compatibility. The screw design follows the proven progressive compression principle, ensuring gentle, uniform melting and minimizing thermal degradation of sensitive PVC formulations. The screws are made from high-grade nitriding steel and undergo a deep case-hardening process for superior surface hardness. The barrel is available in two versions: standard nitrided for general-purpose PVC extrusion, or bimetallic with a centrifugally cast alloy liner for highly abrasive materials such as wood-plastic composites and high-filler compounds. We also offer custom modifications, including different compression ratios, vented barrel sections, and special flight coatings. Every assembly is precision-ground and inspected to maintain tight clearance tolerances. With full OEM compatibility and flexible customization options, our Cincinnati-compatible screw and barrel assemblies help you reduce downtime and improve product quality.
Technical Date
|
Parameter |
Description |
|
Screw / Barrel Base Material |
- 38CrMoAlA (SACM645) |
|
Alloy Sleeve (Bimetallic Barrel) |
- 4Cr5MoSiV1 (SKD61, H13) |
|
Surface Roughness |
Ra 0.4 μm |
|
Linearity (Straightness) |
0.015 mm/m |
|
Nitrided Hardness |
HV 900-1100 |
|
Nitrided Depth |
0.5 – 0.8 mm |
|
Size |
35/75,45/100,50/105,55/110,55/120,58/124,60/125,65/120,65/132,68/147,70/135,70/140,75/150,80/143,80/156,92/188,95/191,105/191,100/200,110/220,115/233,135/270 |
Reasons to Choose Zhongyang Screw for Your Project
20+ Years of Manufacturing Expertise
With over two decades of experience in screw and barrel production, we have accumulated deep technical knowledge in extrusion and injection molding processes. Our long-standing presence in the industry ensures that every component we deliver is backed by proven engineering practices and continuous improvement.
ISO9001 & CE Certified Quality Assurance
All our screws and barrels are manufactured under strict ISO9001 quality management systems, and key products carry CE certification. From raw material inspection to final dimensional testing, every step is documented and controlled, giving you reliable, repeatable quality for your production lines.
Full Customization Capability (OEM & ODM)
We understand that each extruder or injection molding machine has unique requirements. We offer complete customization – including screw geometry, compression ratio, barrel materials (nitrided, bimetallic, or PTA-coated), and flange configurations – to perfectly match your existing equipment and specific application needs.
Competitive Pricing with Global After-Sales Support
By combining efficient manufacturing processes with direct factory pricing, we deliver high-quality components at competitive costs. We also provide responsive after-sales support, including technical consultation, installation guidance, and worldwide shipping, ensuring a smooth experience from order to operation.
Industry Applications
PVC Pipe Extrusion
Used in the production of rigid PVC pipes for water supply, drainage, irrigation, and electrical conduit applications. Our conical twin screw barrels provide gentle, low-shear plastication that prevents thermal degradation of sensitive PVC compounds, ensuring smooth pipe surfaces, consistent wall thickness, and high output efficiency.
WPC Profile Extrusion
Applied in manufacturing wood-plastic composite (WPC) decking, fencing, railing, and window profiles. Our bimetallic screw and barrel assemblies offer exceptional abrasion resistance against wood fibers and mineral fillers, delivering homogeneous melt quality, reduced downtime, and extended component service life.
Sheet & Foam Board Extrusion
Commonly used in the production of PVC sheet, foam board (e.g., Celuka or free-foam), and rigid film. Our conical twin screw systems ensure uniform melt temperature and consistent thickness control, delivering smooth surface finish and dimensional stability for construction signage, interior decoration panels, and packaging sheets.
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