The main advantage of screw barrel:
A. Advanced Nitriding Technology
B. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
C. We uses special alloy powders being sprayed and welded on the screw's ridge, and uses different alloy and welding methods for the screw of different functions.
Certificate: BV, SGS, CE, TUV
Why choose us?
A> long time experience and history
B> long time nitriding treatment and heating treatment by itself
C>advanced Fanuk series CNC computer-controlled milling machines
D>depth hole drilling machine in 8meters length, which ensure the straigtnss of barrel inside.
E> CAD drawing confirmation before start making
F> Prompt after sale service
G>Land owner and registration capital 25, 000, 000RMB
Remarks: We can design and manufacture various kinds of screw barrels according to the customer's requirement
What is the packaging?
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package
Payment: T/T, Western union, moneyGram and so on.
FAQ:
1. Q: What are we?
A: We are factory, with license of import and export goods by ourself.
2. Q; How to get to us?
A: The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
3. Q: How do we control the quality of screw barrel?
A: We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself, we have nitriding ovens in depth8000mm, and do nitriding treatment in 8 days and nights, which greatly ensure the hardness of screw barrel.
Office:
1 Our Strength: We have an experience of more than 20 years of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design ,enhancing service and after service .
2 Our products: The company is specialized in making screw barrel,
gearbox zlyj series, t die, filter and recycling machine. It has become
one of the largest supplier of main parts in Ruian city which is the
basement of plastic machines .
3 Location advantage: located in -Ruian Town in Wenzhou City, near to Ningbo Port and Shanghai Port .
4 Market areas: global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East etc. welcome to visit our company .
Welcome to visit our factory Any question pls feel free to contact us. Waiting for your inquiries! !
| Product |
The best single screw barrel for extruder in ruian |
| Material |
38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440) |
| Hardness of nitrogen treatment |
HV900°~1100° |
| Tempering hardeness |
HB240 ° ~280° |
| Depth of nitrogen layer: |
0.6~0.8mm |
| Nitrided Brittleness |
above 1 stage |
| Surface Roughness |
Ra0.4 um |
| Screw straightness |
0.015mm |
| Hardess of surface chromium-plating after Nitriding |
HV≥950HV |
| Chromium plating Depth |
0.025-0.085mm |
| Alloy Depth |
2.5mm-4mm |
| Alloy hardness |
HRC62°~72° |
| Heating-treatment |
nitrogen ,electroplated hard -chrome finish,high frequency quenching |
Audited Supplier 
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