- Model NO.: Dia15-300mm
- Size: Customize
- Nitrided Layer Depth: 0.5-0.8mm
- Bimetallic Layer Depth: 3mm
- Trademark: ZHONGYANG
- Origin: China
- Screw: Single-Screw
- Material: Nitriding Steel
- Nitrided Hardness: HRC56-58
- Bimetallic Layer Hardness: HRC58-62
- Specification: ISO 9001: 2008 approved
- HS Code: 84779000
Specification:
Screw diameter: 15mm-300mm
Maximal length: 8000mm
Barrel inner diameter: 15-300mm
Maximal length: 4000mm
Different bimetallic alloys are available for different raw materials.
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)9Cr18MOV
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.


Focus on quality and service.
Experienced manufacturer, we will be the best choice.
The fourdrinier Paper Making Machine is mainly used for making top grade corrugated base paper, test liner paper,medium paper, high quality light-weight paper (culture paper, newsprint, light weight specialty paper). This kind of peper machine needs to chosse papermaking type, dewatering structure of press section, arrangement of dryer cylinder group, sizing and finishing equipment according to different paper grades and operating speed requirements.
Paper Machine,Paper Product Making Machinery,Liner Board Paper Machine,Test Liner Paper Machine
Dandong Tianshin Automatization Technology Co.,Ltd , https://www.paper-machine.com