• Model NO.：90mm
• Engagement System：Full Intermeshing
• Screw Channel Structure：Deep Screw
• Exhaust：Exhaust
• Automation：Automatic
• Computerized：Computerized
• Base Material：38crmoaia,42CrMo
• Diameter for Single Screw：20-500mm
• Screw Design：Single Screw
• Application：PP PVC PE
• Certificat：CE BV SGS TUV
• End Product：Plastic Bag
• Delivery：25days
• Tempering Hardness：240-280hv
• Depth of Nitrogen Layer：0.6-0.8mm
• Hardness of Nitrogen Treatment：900-1100hv
• Transport Package：Stardand
• Specification：CE SGS BV TUV
• Trademark：PYM
• Origin：Wenzhou, Zhejiang
• HS Code：847790000
• Production Capacity：300set,Sets Per Month

Basic Info.

Model NO. 90mm Engagement System Full Intermeshing Screw Channel Structure Deep Screw Exhaust Exhaust Automation Automatic Computerized Computerized Base Material 38crmoaia,42CrMo Diameter for Single Screw 20-500mm Screw Design Single Screw Application PP PVC PE Certificat CE BV SGS TUV End Product Plastic Bag Delivery 25days Tempering Hardness 240-280hv Depth of Nitrogen Layer 0.6-0.8mm Hardness of Nitrogen Treatment 900-1100hv Transport Package Stardand Specification CE SGS BV TUV Trademark PYM Origin Wenzhou, Zhejiang HS Code 847790000 Production Capacity 300set/Sets Per Month

Product Description

bimetallic twin screw and barrel for extruder machine

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:
Ruian yumin machine screw co., ltd is a factory specialized in making screw barrel in various materails, filter, t die, gearbox, and extruder machine. We are largest one in Ruian city who supply main parts to machine- maker with the history over 24 years. Our workshops cover lands over5.000 cube meters. We have two factories in Ruian, with 4workshops. We have many computer-control CNC milling machines with the length 8000mm in Fanuk series, 18000mm length deep hole drilling machine, and other advanced equipments. All the process is done by ourself, including nitrding treatment. We do nitriding treatment for 7 days and nights, which ensure the hardness and lifetime of screw barrel a lot. Meanwhile, our factory and products are passed the assessment by SGS company, and Bureau of Veritas, TUV, and CE certificate.
Thanks for your visiting. Hope to cooperate with your esteemed company. Welcome to contact us~ Thank you!

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