Rubber Screw Barrel Rubber Extrusion Rubber Screw Bimetallic Screw Cylinder

• Customization: Available
• After-sales Service: Yes
• Type: Pipe Extruder
• Model NO.: Rubber Screw Barrel
• Plastic Processed: EPE
• Product Type: Extrusion Molding Machine
• Feeding Mode: One Feed
• Assembly Structure: Integral Type Extruder
• Screw: Single-Screw
• Engagement System: Full Intermeshing
• Screw Channel Structure: Deep Screw
• 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(Mainland) Zhejiang
• HS Code: 84779000
• Production Capacity: 150 Sets/ Month

Product Description

Specification:
Screw diameter: 15mm-300mm
Length:  ≤8000mm
Barrel inner diameter: 15-300mm
Length:  ≤4000mm

Different bimetallic alloys are available for different raw materials.

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)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
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