• Model NO.：Parallel twin screw barrel
• 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
• Size：Customize
• Material：Nitriding Steel
• Nitrided Layer Depth：0.5-0.8mm
• Nitrided Hardness：HRC56-58
• Transport Package：Slushing Oil Coated& Film Wrapped in Wooden Case
• Specification：ISO 9001: 2008 approved
• Trademark：ZHONGYANG
• Origin：China
• HS Code：84779000
• Production Capacity：100 Sets, Month

Basic Info.

Model NO. Parallel twin screw barrel 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 Size Customize Material Nitriding Steel Nitrided Layer Depth 0.5-0.8mm Nitrided Hardness HRC56-58 Transport Package Slushing Oil Coated& Film Wrapped in Wooden Case Specification ISO 9001: 2008 approved Trademark ZHONGYANG Origin China HS Code 84779000 Production Capacity 100 Sets/ Month

Product Description

Twin Parallel Twin Screw and Barrel, bimetallic screw barrel for Recycled Plastic, plastic machinery screw barrel, PVC granule extrusion screw barrel
Specification:
Diameter: Φ 45mm-Φ 200mm
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)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
(5)HPT

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

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
Focus on quality and service.
Experienced manufacturer, we will be the best choice.