Product Description

EJS manufactures film extrusion screw barrels for film extrusion people, both cast film(flat film) extrusion and blown film extrusion.

Product Detail

Film extrusion screw barrel

We have most reliable manufacturing equipment, most dedicated and experienced engineers and workers, work full time and long time for Hot-selling China Film Extrusion Screw Barrel. President of our corporation, together with all colleagues, welcomes all buyers to visit our factory. Allow us to cooperate hand in hand to help make a difference for your business in extrusion and injection.

Our company is looking for agents openly. What are you waiting for? Come and join us, the sooner you come aboard, the faster you grow out!


EJS manufactures film extrusion screw barrels for film extrusion people, both cast film(flat film) extrusion and blown film extrusion.


E.J.S has been manufacturing Feed Bush, Feed Throat, Gear Box Reducer, Hastelloy 276 screw barrel for years, you are welcome to contact EJS Team for more details.


Bore diameter available for film extrusion screw barrel

¢45 ~ ¢180


Popular Materials used for film extrusion screw barrel

38CrMoAlA(1.8509)

34CrAlNi7(1.8550)

31CrMoV9(1.8519)

40Cr(4340)

42CrMo(4140)

D2(1.2379)

SKD61

SKD11


Surface Treatment of film extrusion screw barrel

Full body nitrided

Bimetallic alloy powder armoured.


Application of film extrusion screw barrel

industrial films and bags extrusion

agricultural and construction film extrusion

barrier film extrusion

stretch film extrusion

PVC cling film extrusion

laminating film extrusion

can liner extrusion

high barrier small tube system extrusion

And many more to be listed.


We need a lot of film extrusion screw barrels, we also need feeding zones to go with them, can you make them and assembly them?

YES, we are capable to assemble the film extrusion screw barrel, feeding zone with related flanges or tightening rings, please be free to send us drawings for each part as well as assembly chart, we will assemble them well in China without extra charges.


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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