Twin Parallel Screw and Barrel for Cable & Wires Extruder

Model NO.: Customized Automation: Automatic Screw Barrel: Twin Parallel Screw And Barrel for Cable & Wires Nitrided Hardness: 900-1000hv Surface Roughness: Ra0.4 Bimetallic Layer Depth: 3mm Trademark: Zhongyang Origin: China(Mainland) Zhejiang Screw: Twin-Screw Computerized: Computerized Nitrided Layer Depth: 0.5-0.8mm Nitrided Brittleness: Less Than Grade 1 Linearity of Screw: 0.015mm Size: Customize Specification: ISO9001: 2008 HS Code: 84779000 Twin parallel screw and barrel for Cable & Wires extruder

Specification: (Parallel Twin Screw )
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35

The compression ratio of screws can be designed according to different products and ingredients
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.

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