- Model NO.: Twin Parallel screw barrel
- Plastic Processed: Food Material
- Automation: Automatic
- Trademark: Zhongyang
- Origin: Zhejiang of China
- Type: Food Machinery
- Screw: Twin-Screw
- Computerized: Computerized
- Specification: ISO9001: 2008
- HS Code: 84779000
Technical Information
Base Materials: Stainless
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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