• Model NO.：Dia15-300mm
• Screw：Single-Screw
• Engagement System：Full Intermeshing
• Screw Channel Structure：Deep Screw
• Exhaust：Don′t Exhaust
• Automation：Automatic
• Computerized：Computerized
• Screw Barrel：Bimetallic Single Screw for Blowing Moulding
• 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
• Transport Package：Wooden Cases
• Specification：ISO9001: 2008
• Trademark：Zhongyang
• Origin：China(Mainland)
• HS Code：84779000
• Production Capacity：200 Sets,Month

Basic Info.

Model NO. Dia15-300mm Screw Single-Screw Engagement System Full Intermeshing Screw Channel Structure Deep Screw Exhaust Don′t Exhaust Automation Automatic Computerized Computerized Screw Barrel Bimetallic Single Screw for Blowing Moulding 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 Transport Package Wooden Cases Specification ISO9001: 2008 Trademark Zhongyang Origin China(Mainland) HS Code 84779000 Production Capacity 200 Sets/Month

Product Description

Bimetallic single screw for blowing moulding machine/for extruder

1)Specification for bimetallic single screw barrel for injection moulding machine:
Screw diameter: Φ 20mm-Φ 220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G

2)Specification for bimetallic single screw barrel for extruder:
Screw Diameter: Φ 15- Φ 300
L/D ratio: 15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.

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.