Injection Screw Barrel
Product Description
Product Detail
INJECTION SCREW BARREL
With a positive and progressive attitude to customer's satisfaction, our company repeatedly improves our products quality to meet the requirements of OEM machine builders as well as end users. More further EJS focuses on safety, reliability, environmental requirements, and innovation for High Quality China Injection Screw Barrel. Consequently our products are sold not only in the Chinese market, but also welcomed in the international industry.
High Quality China Screw and Barrel, Screw Barrel, Injection Barrel, Injection Molding Screw and Barrel, Whether you have detailed drawings or not, you can talk to our sales person about your sourcing requirements. We've been looking forward to cooperating with friends from all over the world.
E.J.S uses high quality 1.8509 to produce screws and barrels for customers globally to ensure the quality of screws and barrels, because raw material is the core and footstone.
Every plastic people knows injection screw barrel is more used than extrusion screw barrels, naturally EJS production can’t show up without injection screw barrel.
Customized injection screw barrels are produced every year for Arburg, Negri Bossi, BOY , Haitian injection moulding machines.
We could make new designs as per your formula, capacity and improve on your design. If a trouble shooting is needed. Or increase the machine power by changing the injection screw barrel size.
Bore diameter available for INJECTION SCREW BARREL
¢16~¢220
Popular Materials used for INJECTION SCREW BARREL
38CrMoAlA (DIN1.8509)
34CrAlNi7 (DIN1.8550)
31CrMoV9 (DIN1.8519)
40Cr (AISI 4340)
42CrMo ( AISI4140)
SKD61
SKD61 hardfacing
D2 ( Din1.2379)
Surface Treatment of INJECTION SCREW BARREL
Full body nitrided
Quenching
Bimetallic alloy coating
Different percentage of glass fiber added, different bimetallic type could be chosen
Application of INJECTION SCREW BARREL
Since first injection moulding machine was born in 1920s, injection screw barrel has been closely linked to our life, from private to professional, from down to the earth to the air space, nobody is leading their life without a product made from injection moulding machine, starting from toothbrush to your phone chargers, computer components, stationery, buttons, gears, electric appliances, car components, cosmestic bottles, switches, buckets, basins, trash cans, shoes and a million others.
Inspection of INJECTION SCREW BARREL
Quality is the key, every INJECTION SCREW BARREL is carefully inspected by our inclusive EJS personnel with the Inspection Report well filed for both customer and our internal use.
Can you help me to design a new injection screw barrel, because I want a larger capacity?
Yes, E.J.S could make a new design as per the material you are processing and the product you are producing. If output increase is needed per hour, please provide us critical connecting dimensions and E.J.S will make you a new design accordingly.
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
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Bimetallic Barrels |
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Alloy Type |
EJS01 Alloy |
EJS02 Alloy |
EJS03 Alloy |
EJS04 Alloy |
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Alloy Components |
Fe+Ni+Cr+B |
Ni+Cr+Co+B |
Ni+Cr+Co+V+B |
Ni+Wc+Cr+B |
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Wearing Resistance |
★★★ |
★★ |
★★★ |
★★★★ |
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Corrosion Resistance |
★★ |
★★★ |
★★★ |
★★★ |
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Alloy Thickness |
2~3mm |
1.5~2mm |
1.5~2mm |
1.5~2mm |
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Hardness |
HRC 58-65 |
HRC 50-58 |
HRC 55-60 |
HRC 55-65 |
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Temperature Range |
≤400 |
≤450 |
≤450 |
≤600 |
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Coefficient Thermal |
RT~250℃ |
11.0x10-6 |
11.0x10-6 |
11.5x10-6 |
11.0x10-6 |
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Expansion(/℃) |
RT~400℃ |
11.4x10-6 |
11.4x10-6 |
12.4x10-6 |
12x10-6 |
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Range of Workable Length |
700mm~3000mm/piece |
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Base Steel Vastly Used |
40Cr: 42CrMo |
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Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good |
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Bimetallic Screws |
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Suitable for |
Single Screw, Twin Parallel Screw, Twin Conical Screw |
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Alloy Type |
Ni60 |
CoImonoy 56 |
CoImonoy 83 |
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Alloy Components |
Ni+Cr+Fe+Si |
Ni+Cr+Si+Fe |
Ni+Wc+Cr+C |
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Anti-Wearing Level |
★★★ |
★★★ |
★★★★ |
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Anti-Corrosion Level |
★★★★ |
★★★★ |
★★★★ |
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Alloy Thickness |
1~1.5mm |
1~1.5mm |
1~1.5mm |
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Hardness |
HRC 56-62 |
HRC 46~61 |
HRC 43-48 |
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Applied Glass Fiber |
Under 10% |
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Range of Workable Length |
Any length needed |
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Base Steel Vastly Used |
38CrMoAI(1.8509), 34CrAINi7(1.8550), 31CrMoV9(1.8519) |
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Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good |
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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.