Feed Screw Barrel for HENGLI Weaving Extruder

We provide a wide range of extrusion screw solutions, such as:

Precisely designed screw profiles or geometries tailored to the specific requirements of your process;

High efficiency, superior mixing, and excellent melt quality;

Comprehensive quality checks at every stage of extrusion screw production;

On-site consultations and field support services.

Our extrusion screws are designed to enhance extrusion throughput, improve product quality, and extend component lifespan. We offer a variety of extrusion screws including 3-zone standard screws, multi-thread screws, barrier screws, vented screws, and twin screws.

(1) Precision Fit: Designed specifically for HENGLI extruders, our screw barrel for extrusion machine aligns for optimal fabric production.

(2) Durable Material: High-wear alloy construction of the extruder screw barrel for plastic extrusion machine ensures longevity.

(3) Quality Output: Engineered for consistent yarn quality, crucial for textile strength and uniformity.

(4) Material Versatility: Adaptable screw barrel for PVC extruder, suitable for both synthetic and natural fibers.

(5) Tested Robustness: Proven durability through rigorous testing, ensuring reliability for every production cycle.

(6) Enhanced Throughput: Our feed screw barrel increases production rates without compromising fabric quality.

(7) After-Sale Support: Comprehensive service ensures ongoing performance for your HENGLI machinery.

Our Feed Screw Barrel is the optimal choice for advancing textile creation on HENGLI Weaving Extruders, delivering both endurance and excellence.

(1) Material: High-strength bimetallic alloy

(2) Size: Customized to client specifications

(3) Application: Suitable for various injection molding machines, especially those requiring high-performance screw barrels.

Alloy Steel: 38CrMoAl (SACM645, 1.8509, 41CrAlMo7-10, EN41B),42CrMo (SCM 4140, 1.7725, 42CrMo4)

Stainless Steel: 90Cr18MoV (SUS 440B, 440B, 1.4112, X90CrMoV 18), 4Cr13 (1.2083, X40Cr13)

Tool Steel: JXT1, SKD61(4Cr5MoSiV1, X40CrMoV5-1, 1.2344), SKD11 (Cr12MoV, X165CrMoV12, D2), DC53

High Nickel Alloys: Hastelloy C-276, Inconel 625, Inconel 718

Screw geometry can vary greatly. Commonly used in extrusion are 3-zone screws and barrier screws.

3-zone screws have three sections: the feeding section, compression section, and metering section.

a.In the feeding section, unmelted polymer enters the barrel. The rotating screw transports the material through the heated barrel where melting begins.

b.In the compression section, gases such as air and volatiles like moisture are removed. Here, the depth of the screw channel decreases, pushing gases back towards the hopper.

c.In the metering section, pressure builds up, allowing the material to be shaped through dies such as film or block dies.

d.The compression ratio of the screw is determined by comparing the depth of the channels in the feeding section to those in the metering section.

e. Most screws feature a helix angle that matches the screw diameter.

1.Flexible packaging: film extrusion and co-extrusion (blown film and cast film)

2.Rigid packaging: extrusion blow molding, rigid film, and sheet extrusion

3.Plastic recycling: recycling and pelletizing of films (HDPE/LDPE/LLDPE/PP), recycling and pelletizing of non-woven PP/PP woven bags, nylon/PA filament, netting, and mesh

4.PET monofilament and strap extrusion

5.Extrusion coating and lamination

6.Cable and wire: PVC/XLPE cable sheathing and jacketing

7.Plastic conduits, ducts, pipes, tubes, and hoses

8.Plastic profiles, sheets, boards, and panels

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