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Extrusion Twin Screw Barrel

Plastic tube(pipe) is widely used in our daily life, industrial life as well as commercial life, therefore tube extrusion screw barrel (pipe extrusion screw barrel) is vastly produced by tube extruders ( pipe extruders).

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Product Description

We goal to see good quality disfigurement within the manufacturing and provide the most effective support to domestic and overseas shoppers wholeheartedly for Extrusion Twin Screw Barrel, Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software progress are our distinguishing feature. Extrusion Twin Screw Barrel, Screw Cylinder, Extruder, We insist on "Quality First, Reputation First and Customer First". We are committed to providing high-quality items and good after-sales services. Up to now, our solutions have been exported to more than 60 countries and areas around the world, such as America, Australia and Europe. We enjoy a high reputation at home and abroad. Always persisting in the principle of "Credit, Customer and Quality", we expect cooperation with people in all walks of life for mutual benefits.

Extrusion Twin Screw Barrel

With our intensive working experience and customized solutions, now we have been regarded to be a reliable China Extrusion Twin Screw Barrel Factory; we sincerely hope to develop long lasting business relationship along with you with our greatest service.

With strong technical strength, advanced production equipment, professional & dedicated colleagues, our factory obtained the ISO 9001:2008 international quality management system certification and CE certification. We look forward to keep ourselves connected with each and every plastic/rubber business. You’re very welcome to contact us for Pricelist for China Plastic Machine, Extrusion Twin Screw Barrel.

Plastic tube(pipe) is widely used in our daily life, industrial life as well as commercial life, therefore Extrusion Twin Screw Barrel (pipe extrusion screw barrel) is vastly produced by tube extruders ( pipe extruders).

Each year, EJS produces thousands of Extrusion Twin Screw Barrel for tube extruder machine people as well as tube manufacturers. EJS is a professional manufacturer of Feedscrew, Rubber Screw, Rubber Screw Barrel for years, with customers of OEM machine builders as well as end users.

One taste can’t please all. One material can’t work for all applications either, therefore we select a number of other steels to produce screws and barrels for best performances at best costs, this include 34cralni7, C276 material, Double Screw Extruder.

Bore diameter available for Extrusion Twin Screw Barrel

Single screw barrel for Extrusion Twin Screw Barrel: ¢25 ~ ¢ 250

Twin screw barrel for Extrusion Twin Screw Barrel: ¢25 ~ ¢ 130

Popular Materials used for Extrusion Twin Screw Barrel

38CrMoAlA (DIN1.8509)

34CrAlNi7 (DIN1.8550)

31CrMoV9 (DIN1.8519)

40Cr (AISI 4340)

42CrMo ( AISI4140)

D2 (DIN 1.2379)

SKD61

SKD11

Hastelloy 276

Inconel 625

Surface Treatment of Extrusion Twin Screw Barrel

Full body nitrided

Ni60 hardfacing bimetallic

Colmonoy #56

Colmonoy 83

Ceramic coating

Application of Extrusion Twin Screw Barrel

PVC tube

PP tube

Nylon tube

PE tube

HDPE tube

Recycled HDPE tube

LDPE tube

Inspection of Extrusion Twin Screw Barrel

From materials till shipping mark, every process is strictly and seriously taken care of by EJS dedicated employees to make sure each and every Extrusion Twin Screw Barrel will be well performing in the machine.

What makes EJS Extrusion Twin Screw Barrel better than others?

When EJS factory has rich experiences working with different customers worldwide for almost 30 years, when EJS management keeps investing on the machines and their employees, we are fully aware that PEOPLE plays a significant role in the whole process on the Extrusion Twin Screw Barrel.

About E.J.S.

EJS Screw Barrels is a newly created brand name for Export business with manufacturing experiences since 1992.
A screw barrel manufacturer dedicated on producing customized screw barrel and design extruder screw barrels, injection moulding screw barrels.

Bimetallic Screw Barrels

We started to make bimetallic screw barrel at a very early age, almost the same time as the first bimetallic barrel was born in China. Now we have several types for options depending on different applications

Bimetallic Barrels
Alloy Type		EJS01 Alloy	EJS02 Alloy	EJS03 Alloy	EJS04 Alloy
Alloy Components		Fe+Ni+Cr+B (Fe:65, Ni:14, Cr8, B:3.5)	Ni+Cr+Co+B	Ni+Cr+Co+V+B	Ni+Wc+Cr+B (Ni:50, Wc:15~35,Cr:6~8, B:2.5~3.2)
Wearing Resistance		★★★	★★	★★★	★★★★
Corrosion Resistance		★★	★★★	★★★	★★★
Alloy Thickness		2~3mm	1.5~2mm	1.5~2mm	1.5~2mm
Hardness		HRC 58-65	HRC 50-58	HRC 55-60	HRC 55-65
Temperature Range		≤400	≤450	≤450	≤600
Coefficient Thermal	RT~250℃	11.0x10-6	11.0x10-6	11.5x10-6	11.0x10-6
Expansion(/℃)	RT~400℃	11.4x10-6	11.4x10-6	12.4x10-6	12x10-6
Range of Workable Length		700mm~3000mm/piece
Base Steel Vastly Used		40Cr: 42CrMo
Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good

Bimetallic Screws
Suitable for	Single Screw, Twin Parallel Screw, Twin Conical Screw
Alloy Type	Ni60	CoImonoy 56	CoImonoy 83
Alloy Components	Ni+Cr+Fe+Si (Ni:65, Cr:17, Fe:15, Si:5)	Ni+Cr+Si+Fe (Ni: 68, Cr:18, Si:5, Fe:5)	Ni+Wc+Cr+C (Ni:40, Wc:34, Cr:20, C:2)
Anti-Wearing Level	★★★	★★★	★★★★
Anti-Corrosion Level	★★★★	★★★★	★★★★
Alloy Thickness	1~1.5mm	1~1.5mm	1~1.5mm
Hardness	HRC 56-62	HRC 46~61	HRC 43-48
Applied Glass Fiber	Under 10%
Range of Workable Length	Any length needed
Base Steel Vastly Used	38CrMoAI(1.8509), 34CrAINi7(1.8550), 31CrMoV9(1.8519)
Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good

Quality Inspection

Quality is a very important step during production. For making a quality screw barrel, all tolerances should be fulfilled and all dimensions should be correct and put in records.

We provide inspection report, material certificate for every of our supplied screw barrels.

Packaging

Packaging is the last but very important step before shipping. A strong and smart packing box is also part of our quality. It is not only used to protect the screws barrels well during transportation, also provide an easy way for our customer to unpack.

Hot Tags: Screw Barrel, Screw Cylinder, Extruder

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