Bimetallic Screw Barrel for Each Kind (Welded / Centrifugal Casting)

• After-sales Service: Yes
• Warranty: 12 Months
• Type: Extruder/Injection Moulding Machine
• Plastic Processed: All Kinds
• Product Type: Extrusion Molding Machine
• Screw: Single or Twin
• Model NO.: ZYSCREW
• Engagement System: Full Intermeshing
• Screw Channel Structure: Deep Screw
• Exhaust: Don′t Exhaust
• Automation: Automatic
• Computerized: Computerized
• Screw Barrel: Bimetallic Screw Barrel
• Bimetallic Alloy Depth: 3mm
• Transport Package: Film Wrapped in Wooden Case
• Specification: ISO9001: 2008
• Trademark: Zhongyang
• Origin: China(Mainland)
• HS Code: 84779000
• Production Capacity: 200 Sets/Month

Product Description

Bimetallic Screw Barrel (welded / centrifugal casting)
(used in all kinds of screw barrel)

Specification:
Screw diameter: Φ 15mm-Φ 300mm
Maximal length: 8000mm
Barrel inner diameter: 15-300mm
Maximal length: 4000mm

Different bimetallic alloys are available for different raw materials.

Technical Information

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

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.