Hard Alloy Screw Barrel for Injection Molding Machine

• Screw Barrel: Single Screw for Injection Moulding Machine
• 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
• Model NO.: Dia20-220mm
• 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

Hard Alloy Screw Barrel for Injection Molding Machine

Specification:
Screw diameter: Φ 20mm-Φ 220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G

Technical Information

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

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.