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Pelletizer Twin Screw Barrel
  • Pelletizer Twin Screw BarrelPelletizer Twin Screw Barrel
  • Pelletizer Twin Screw BarrelPelletizer Twin Screw Barrel
  • Pelletizer Twin Screw BarrelPelletizer Twin Screw Barrel
  • Pelletizer Twin Screw BarrelPelletizer Twin Screw Barrel
  • Pelletizer Twin Screw BarrelPelletizer Twin Screw Barrel
  • Pelletizer Twin Screw BarrelPelletizer Twin Screw Barrel

Pelletizer Twin Screw Barrel

Pelletizer twin screw barrel is used on twin-screw pelletizer extruder, a high-speed, co-rotating extruder to best satisfy the compounding needs. EJS pelletizer twin screw barrel is reliable in most demanding jobs such as extrusion of plastics with rich fillers, reinforcing fibers, or with heat sensitive additives, shear sensitive additives.

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Product Description

pelletizer twin screw barrel

Pelletizer twin screw barrel is used on twin-screw pelletizer extruder, a high-speed, co-rotating extruder to best satisfy the compounding needs. EJS pelletizer twin screw barrel is reliable in most demanding jobs such as extrusion of plastics with rich fillers, reinforcing fibers, or with heat sensitive additives, shear sensitive additives.

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 parallel twin screw.

Popular Materials used for pelletizer twin screw barrel

38CrMoAlA (DIN1.8509)

34CrAlNi7 (DIN1.8550)

31CrMoV9 (DIN1.8519)

40Cr (AISI 4340)

42CrMo ( AISI4140)

D2 (DIN 1.2379)

SKD61


Surface Treatment of pelletizer twin screw barrel

Full body nitrided

Bimetallic carbide liner for twin parallel barrels

Bimetallic alloy coating for twin parallel screws

SKD61 lining


Application of pelletizer twin screw barrel

PVC Cable

Wood plastic composite product

PVC Soft Tube

PVC Ball

PVC Carpet

Medical Tube

CaCO3 Pellets Product

PVC Shoes.


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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