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.
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 18meters 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
FAQ:
Q: What are we?
A: We are factory, with license of import and export goods by ourself.
Q; How to get to us?
A: The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
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.
Our other products, different kinds of screw and barrel:
1. Conical twin screw and barrel
2. Parallel twin screw and barrel
3. Single screw and barrel for Extruder
4. Injection machinery screw and barrel
5. Rubber screw and barrel
6. Bimetallic alloy screw and barrel
Office:
Zhejiang pinbo plastic machinery co.,ltd is a factory specialized in making screw barrel, gearbox, t die, filter and recycling machine. The former name is ruian yumin machine screw co.,ltd since 1988 with brand name PYM. Our company covers land more than 10000 square meters, with two workshop. We owns advanced CNC machines and technique, and nitriding ovens in depth 8000mm. We study, design and manufacture every product according to the exact need of every client. That is why our goods are hot sell among many coutries and zones.
Thanks for your visiting. Hope to cooperate with your esteemed company. Welcome to contact us~ Thank you!
Main parameters :
| 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 |
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