PVC Film Parallel Twin Screw Cylinder

Model NO.: Customized Certificate: ISO9001 Nitrided Layer Depth: 0.5-0.8mm Nitrided Brittleness: Less Than Grade 1 Specification: ISO9001: 2008 HS Code: 84779000 Screw Barrel: PVC Film Parallel Twin Screw Cylinder Aplication: Extruder Machine Nitrided Hardness: 900-1000hv Trademark: Zhongyang Origin: China(Mainland) PVC film Parallel Twin screw cylinder

Specification:
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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Product Categories : Parallel Twin Screw And Barrel