Parallel Twin Screw Barrel
Your Professional Parallel Twin Screw Barrel Supplier
Established in 2020 as part of East Prospects Int'l Trading Group (referred to as East Prospects), Ningbo DW Plastics Machinery Co., Ltd. (referred to as DW Machinery) specializes in the production of various precision components and the trading of machinery within this industry. Its main product and service offerings include bimetallic, nitrided, or chrome-plated screw barrel sets; tie bars, column shafts, nuts, and pistons; heater bands and couplings; gearboxes (as a sales agent); new and used injection molding machines (as a sales agent); and new and used extrusion machines (as a sales agent).
Why Choose us
R&D Strength
DW Machinery possesses robust research and development capabilities, independently conducting product development, design, and innovation. The company has obtained multiple product patents.
Quality Control
In terms of quality control, as an ISO 9001 certified enterprise, DW Machinery continuously enhances its quality management system by implementing precise inspections at every stage of the production process.
Advanced Production Equipment
DW Machinery is also equipped with a comprehensive range of advanced manufacturing equipment, including a CNC Machining Center, CNC Turning Machine, Inner Hole Grinding Machine, 13-Meter Deep Hole Boring Machine, NC Drilling Machine, Computer-Controlled Nitriding Furnace System, Centrifugal Casting Furnace, PTA Bimetallic Spraying Equipment, Gear Milling Machine, and more.
Parameter
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Product Name: |
Parallel Twin Screw Barre |
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Base Material: |
38CrMoAlA |
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Available Size: |
Φ35 - 188mm, L < 2,500mm |
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Process Method: |
Nitrided or bimetallic |
Benefits of Parallel Twin Screw Barrel
Enhanced Mixing and Dispersion:Parallel twin screw barrels excel at achieving efficient and thorough mixing of additives, colorants, and fillers with the base polymer. The intensive kneading and shearing action between the two screws create multiple interfaces, leading to enhanced dispersion of additives throughout the melt. This level of mixing ensures uniform distribution of additives, resulting in consistent product properties and improved material performance.
Wide Range of Applications:Due to their versatility, parallel twin screw barrels can handle various polymers, including polyethylene, polypropylene, PVC, and engineering plastics. Their ability to process a wide range of materials makes them suitable for diverse applications, from producing simple profiles and pipes to complex multi-layer structures.
Controlled Residence Time:Parallel twin screw barrels offer excellent control over residence time, the duration the polymer spends in the barrel during processing. Controlling residence time is vital when handling temperature-sensitive materials, preventing thermal degradation and ensuring consistent melt quality.
Efficient Heat Transfer:The parallel arrangement of the screws in twin screw barrels allows for efficient heat transfer along the extrusion process. This ensures consistent and uniform heating of the polymer, reducing the risk of hotspots and ensuring a homogeneous melt.
Reduced Material Degradation:With reduced shear rates on the polymer, parallel twin screw barrels minimize material degradation during extrusion. This feature is particularly beneficial for processing shear-sensitive materials, such as certain engineering plastics, ensuring the preservation of their molecular integrity and properties.
High Throughput Rates:Parallel twin screw barrels enable higher throughput rates compared to single screw extruders. The two screws working in tandem increase the material handling capacity, allowing manufacturers to achieve higher production volumes and meet growing demands.
Precautions for Selecting Parallel Twin Screw Barrel
Check the raw materials of the screw and barrel
The high-quality twin screw barrel is made of high-quality raw materials, which can achieve a continuous, stable, high-yield damage resistance ability.
Check the surface treatment of the screw and barrel
The surface of a good screw and barrel is usually spray-welded nickel-based alloy powder or tungsten carbide alloy powder, which can greatly improve the wear resistance of the screw and prolong its service life.
Check the production process of screw and barrel
A pair of good parallel twin screw barrels must undergo multiple heat treatment processes, such as quenching, tempering, qualitative, nitriding, etc., so as to meet various technical requirements.
Shipping
We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.
Shipping costs will be calculated based on the destination and weight of the package.
Customers will receive a tracking number once the package has been shipped, so they can track the status of their delivery.
We strive to ship all orders within 2 business days of receiving the payment.
In case of any delays or issues with shipping, our customer service team will promptly communicate with the customer to resolve the problem.
With our careful packaging and efficient shipping methods, you can trust that your products will arrive in perfect condition and on time.