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Help CenterScrew for Extruder Screw and Barrel for Plastic Extruder Machine
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1.About E.J.S.
E.J.S industry Co. LTD is specialized in producing screws and barrels for extruders and injection molding machines. Our factory, is located in Jin Tang, Zhoushan, has been in the field since 1992. The sales department moved to downtown Ningbo and became a Golden Supplier on Alibaba in 2012. With our high quality products and sales service, we have satisfied our clients from Europe, South America, North America, and South Asia etc.
2. Product Details
Components of alloy for Bimetallic Screws:
Types of Bimetallic Screw
Four types alloy for bimetallic barrels:
Alloy Type |
EJS01 Alloy |
EJS02 Alloy |
EJS03 Alloy |
EJS04 Alloy |
|
Wear resistance |
Very good |
Good |
Very good |
Excellent |
|
Corrosion resistance |
Good |
Very good |
Very good |
Very good |
|
Alloy components |
Fe+Ni+Cr+B |
Ni+Cr+Co+B |
Ni+Cr+Co+V+B |
Ni+Cr+Wc+Co+B |
|
Hardness (HRC) |
58~64 |
50~58 |
55~60 |
56~62 |
|
Temperature area (°C) |
less than 400 |
less 450 |
less than 450 |
less than 600 |
|
Coefficient thermal |
RT-250°C |
11.0 x 10-6 |
11.0 x 10-6 |
11.5 x 10-6 |
11 x 10-6 |
Expansion (/°C) |
RT-400°C |
11.4 x 10-6 |
11.4 x 10-6 |
12.4 x 10-6 |
12 x 10-6 |
3. E.J.S Workshop
4. PTA Welding Machine
New PTA welding mahince was brought in early 2015.
5. Quality Inspection
We take only first-class steel and check every production procedure to ensure every dimension is produced precisely. A final complete inspection will be executed before dispatch.
6. Packaging
We use strong plywood or wooden case for all our products
7. Our Advantages
1) Quality always comes first. Our experienced workers pay attention to every tiny procedure during the production and inspection, to ensure the precision of every dimension.
2) Service makes us outstanding. Our sales people are trained on the products every day. They are always ready to answer your questions and offer the best solutions in fluent English at any time.
3) Provide an easier working way. With 6 years export experience, we E.J.S offer before-sales, prouction update, after-sales one stop service, which makes an easier way to work with us. We welcome you to visit our factory at any time!
8. Our market
Through years of developing, we satisfy our customer all over the world with mainly market in Europe, South America, Asia, Middle East, ect. We also design the drawings per customer’s detailed request.
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