Product Description

Barrel and screw manufacturer EJS has been producing barrel and screw since 1990 for customers nationally and internationally with customers in extrusion, injection and blow moulding machines in plastics, rubber and food industries for both end-users and OEMs. The screw is the heart of the machine, the injection moulding machine and the extruder, because it determines its plasticizing ability.

Product Detail

Barrel and Screw:


¢45/2-¢250/2, 67/22, 68/25,114/32, 92/28, 92/32, 114/32, 90/16, 90/22, CM80,40KK, 75/32, 81/17, CM58


Conical twin screw barrel:

24/52, 35/xx, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 68/147, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188, 105/216, 110/220


Extruder single screw barrel:

Ø15mm~Ø500mm


Rubber screw barrel

1.Cold feed rubber screw and barrel   Diameter:¢25-¢300mm
2.Hot feed rubber screw and barrel   Diameter:¢60-¢500mm
3.PIN style rubber screw and barrel   Diameter:¢60-¢250mm


Injection molding Barrel and Screw

Amount Of Injection(G)

Screw Diameter X Length(mm)

Barrel Diameter X Length(mm)

Amount of Injection(G)

Screw Diameter X Length(mm)

Barrel Outer Diameter(mm)

30-90

¢30x900

¢85x860

800-1250

¢75x1825

¢170x1725

60-125

¢35x910

¢85x860

1000-1500

¢80x2000

¢180x1805

100-150

¢38x935

¢95x900

1250-2000

¢85x2300

¢190x1900

125-160

¢40x980

¢95x910

2000-3000

¢90x2700

¢210x2000

125-300

¢42x1030

¢105x1880

2500-5000

¢100x2600

¢230x2405

250-400

¢45x1210

¢115x1165

3000-6000

¢110x2600

¢256x2590

300-500

¢50x1300

¢125x1260

4000-10000

¢120x2800

¢256x2800

450-600

¢55x1335

¢130x1320

6000-8000

¢130x3010

¢256x2970

500-700

¢56x1350

¢130x1350

8000-10000

¢145x3010

¢256x3200

500-700

¢60x1380

¢140x1350

10000-15000

¢160x3500

¢270x3200

650-800

¢65x1415

¢150x1420

13000-25000

¢170x3415

¢317x3380

700-1000

¢70x1790

¢160x1685

 

 

 


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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