Good Plasticity Bimetallic Screw Barrel for Extruder

=== Base Info ===

=== Description ===

screw diameter
Φ20-Φ500mm
Maximum screw length
10000mm
Barrel inner bore diameter
Φ500mm
Materail
A. 38crmoala in high quality
B. alloy steel in high quality
Technology
A. nitriding treatment
B. alloy coating spraying
C.  heating treatment
D.  screw fully hardening 
E.  vacuum quenching
F: electroplate hard chrome
Technical parameter
 A: depth of nitrition layer: 0.6-0.8mm
 B: nitriding treatment for 7 day and night, surface hardness HV>900
 C: fragility of nitriding: less than grade 1
 D: surface roughness: ra0.4um
 E: streightness of screw: 0.015mm
 F: depth of bimetallic layer>2mm
 G: hardness of alloy platig: HRC 62-72
 H: surface of hardness of chrome coating layer: HRC 62-72
 I: thickness of chrome coating layer: 0.03-0.06mm

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 10meters 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.


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.

Waiting for your inquiry .Welcome to visit our company .