Double Screw and Barrel Parallel Twin Screw and Barrel

• Customization: Available
• After-sales Service: Yes
• Warranty: 12 Months
• Model NO.: ZYSCREW
• Plastic Processed: WPC
• Product Type: Profile 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
• 48mm: Double Screw and Barrel
• Bimetallic: Abrasion Resistant
• Nitrided Layer Depth: 0.5-0.8mm
• Nitrided Hardness: 900-1000hv
• Nitrided Brittleness: Less Than Grade 1
• Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
• Specification: ISO 9001: 2008 approved
• Trademark: Zhongyang
• Origin: Zhoushan, China
• HS Code: 84779000
• Production Capacity: 100 Sets/Month

Product Description

ZY is a professional and experienced manufacturer/producers of all types of screws and barrels for plastic machinery.

Pls find the detailed info. For parallel twin screw and barrel as below:

Specification:
Diameter: Φ45mm-Φ200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients

Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)9Cr18MOV

Bimetallic alloy materials:
(1)Fe-based alloy
(2)Ni-based alloy/Deloro alloy
(3)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
Nitriding treatment
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
Bimetallic layer depth: 3mm