Profile Extrusion Screw Barrel
Product Description
Product Detail
profile extrusion screw barrel
Profile extrusion is extrusion of a shaped product that can be a variety of configurations but does not include sheet or film products. Profile extrusion can include solid forms as well as hollow forms. Products ranging from tubing to window frames to vehicle door seals are manufactured this way and considered profile extrusion.
Profile extrusion screw barrel are used on profile extruders, for both single-screw profile extruder and twin-screw profile extruder.
EJS is a professional manufacturer of Extrusion Screw Barrel, Vented Screw Barrel for years, with customers of OEM machine builders as well as end users.
Bore diameter available for profile extrusion screw barrel
Single screw barrel for tube extrusion screw barrel: ¢25 ~ ¢ 250
Twin screw barrel for tube extrusion screw barrel: ¢25 ~ ¢ 130
Popular Materials used for profile extrusion screw barrel
38CrMoAlA (DIN1.8509)
34CrAlNi7 (DIN1.8550)
31CrMoV9 (DIN1.8519)
40Cr (AISI 4340)
42CrMo ( AISI4140)
D2 (DIN 1.2379)
SKD61
SKD11
Hastelloy 276
Inconel 625
Surface Treatment of profile extrusion screw barrel
Full body nitrided
Ni60 hardfacing bimetallic
Colmonoy #56
Colmonoy 83
Ceramic coating
Application of profile extrusion screw barrel
● Vinyl siding
● Window profiles
● Fencing
● Agricultural and drainage tubing
● Automotive body side moldings and bumper strips
● Electrical conduit and cable protectors
● Moldings and trims for both interior and exterior finishings
● Gutters and downspouts
● Vertical blinds, curtain tracks, shutter slats, window treatment components
● Refrigerator seals
● Trims
● Zip strips
● Medical tubing
● Drinking straws
● Dip tubes
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 |
Ni+Cr+Co+B |
Ni+Cr+Co+V+B |
Ni+Wc+Cr+B |
|
|
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+Cr+Si+Fe |
Ni+Wc+Cr+C |
|
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.