Single Screw for Blowing Moulding Plaster Machinery

• Customization: Available
• Material: Carbon Steel
• Type: Plastic Machine Screw
• Model NO.: ZYSCREW
• Connection: Common Bolt
• Head Style: Round
• Standard: GB
• Screw Barrel: Blowing Moulding Single Screw and Barrel
• Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
• Specification: ISO9001: 2008 approved
• Trademark: Zhongyang
• Origin: Zhejiang of China
• HS Code: 84779000
• Production Capacity: 200 Sets/Month

Product Description

Blowing moulding single screw and barrel

Specification:
Screw diameter: Φ 20mm-Φ 220mm

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.