Parallel Twin Screw Barrel Double Screw Cylinder

• Customization: Available
• After-sales Service: Yes
• Warranty: 12 Months
• Model NO.: parallel screw for pelletizing/profile
• Type: Food Machinery
• Plastic Processed: Food Material
• Product Type: Extrusion Molding Machine
• Feeding Mode: One Feed
• Assembly Structure: Separate Type Extruder
• Screw: Twin-Screw
• Engagement System: Full Intermeshing
• Screw Channel Structure: Deep Screw
• Exhaust: Don′t Exhaust
• Automation: Automatic
• Computerized: Computerized
• Transport Package: Wooden Case
• Specification: ISO9001: 2008
• Trademark: Zhongyang
• Origin: Zhejiang of China
• HS Code: 84779000
• Production Capacity: 500sets/Month

Product Description

Twin Screw and Cylinder, Parallel twin Screw Cylinder, Twin Coincal Screw Cylinder in full specifications.

Technical Information

Base Materials: Stainless

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year

Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly

Experienced manufacture, we will be the best choice.

twin conical screw barrel
Diameter	Φ25/53,35/77,45/90,51/10, 55/110,65/120,65/132, 70/140,75/150,80/156, 80/172,90/184 92/188.etc	Designing	Screw structure and compression ratio can be designed according to different products  &different mixtrues.
Standard Specifications	ISO9001, GBT9001-2000 SO9001-2000 IAF,BOS,CNAS	Advantages	1.Long time Nitriding Technology  2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy3. 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.
Materials	38CrMoAlA  (JIS SACM645) SKD61 .etc	Application	PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE, EVA,PP,PVC,PMMA,POM,PAST,PET,PBT
Nitride Depth	0.4mm-0.7mm	Technology	1)Longer time Gas Nitriding treatment  2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide;4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy
Nitride Hardness	950-1050HV	Packing	Wrapped up by film in wooden
Nitride Brittleness	≤Grade One	Payment  Term	T/T , L/C ,Western Union
Surface Roughness	Ra0.4um	Delivery  Term	20-30 working days
Screw Straightness	0.015mm	Port  Departure	Shanghai/Ningbo
Alloy Hardness	HRC55-62	Min. Order	1 set
Alloy Depth	1.5mm-3.5mm	Warranty period: 2-4years(Depends on the plastic raw materials) Bimetallic: much longer lifetime.
Nitriding time	Over 180 hours