Twin Parallel Screw Barrel
Product Description
Product Detail
Twin parallel screw barrel
We E.J.S “Emphasize Details, Pursue Excellence”, and will sincerely “Keep Communicating, Keep Focusing, Keep Cooperating, Keep Improving”, we create and share success with all purchasers for Hot sale China Twin Parallel Screw Barrel.
Hot sale China Parallel Twin Screw, Plastic Machine, with the superior and exceptional service, we've been well growing all these years along with our customers. Expertise and know-how assures that we are always highly respecting the trust from our customers in our business activities. "Details", "Excellence" is our principle. Our loyalty and commitments remain online 24 hours each and every day. Contact us today for further information, contact us now.
Twin Parallel Screw Barrel are widely used for large capacity extruder. Each year, EJS produces thousands sets of Twin parallel screw barrels sets for export. They serve on KraussMaffei , battenfeld-cincinnati, Theysohn extruders etc. all over the world.
Every year, E.J.S exhibits our screw barrels at different shows. We meet our old and new customers at Npe Show.
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 Twin Screw Barrel.
Bore diameter available for Twin parallel screw barrel
¢25~¢220
Popular Materials used for Twin parallel screw barrel
38CrMoAlA (DIN1.8509)
34CrAlNi7 (DIN1.8550)
31CrMoV9 (DIN1.8519)
40Cr (AISI 4340)
42CrMo ( AISI4140)
D2 (DIN 1.2379)
SKD61
Surface Treatment of Twin parallel screw barrel
Full body nitrided
Bimetallic carbide liner for twin parallel barrels
Bimetallic alloy coating for twin parallel screws
SKD61 lining
Application of Twin parallel screw barrel
Panel extrusion
Profile extrusion
Sheet extrusion
Pipe extrusion
Board extrusion
Compound extrusion
Foam extrusion
Inspection of Twin parallel screw barrel
Quality is always the priority, we never sacrifice our quality for any reason, the unqualified twin parallel screw barrel will not have the permission to leave our factory at all.
For customized parallel twin screw barrel, we inspection at least 5times per drawings during production. A final inspection will be executed and an official Inspection Report will be provided for future records.
I have 9 Krauss Maffei extruders in my plant, I never bought Twin parallel screw barrel from China in the past, I don’t have drawings either, how can I work with you?
EJS has been producing some KMD twin screw barrels; if you engineer could help to measure the dimensions, that would be fantastic; in the worst case, we’ll send a senior engineer to your plant for on-site measurement. Please be free to contact your Sales Representative to discuss all the details.
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.