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
What is the packaging?
We adopt standard wooden case packing
Office:
Zhejiang pinbo plastic machinery co.,ltd is located in ruian wenzhou city with brand of PYM(Former Ruian yumin machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder machine. It has become one of the largest supplier of main parts in Ruian city which is the basement of plastic machines.
It owns many computer-control CNC milling machines in length 8000mm
In Fanuk series, 18000mm length deep hole drilling machine and
other advanced equipment. Long time nitriding treatment for 7days and nights greatly ensure the hardness and lifetime of its products. Meanwhile, the company and its products have passed assessment by SGS company, Bureau of Veritas, Tuv and Ce certificate.
If there is any problem, you can contact with us at any time, we will reply you as soon as possible!
| 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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