Product Description

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).

Product Detail

Tube extrusion screw barrel

With our intensive working experience and customized solutions, now we have been regarded to be a reliable China Tube Extrusion 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. Youre very welcome to contact us for Pricelist for China Plastic Machine,  Tube Extrusion 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).


Each year, EJS produces thousands of tube extrusion 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 Tube extrusion screw barrel

Single screw barrel for tube extrusion screw barrel: ¢25 ~ ¢ 250

Twin screw barrel for tube extrusion screw barrel: ¢25 ~ ¢ 130


Popular Materials used for Tube extrusion 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 Tube extrusion screw barrel

Full body nitrided

Ni60 hardfacing bimetallic

Colmonoy #56

Colmonoy 83

Ceramic coating


Application of Tube extrusion screw barrel

PVC tube

PP tube

Nylon tube

PE tube

HDPE tube

Recycled HDPE tube

LDPE tube


Inspection of Tube extrusion 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 tube extrusion screw barrel will be well performing in the machine.


What makes EJS tube extrusion 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 tube extrusion 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.





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