High Corrosion Resistance Single Screw and Barrel for Rubber Extruder Machine
Rubber Compound And Rubber Plastic Sealing Product Rubber Plastic Sealing,Food Grade Rubber Compound,Rubber Soft Connection Luohe Letone Hydraulic Technology Co., Ltd , https://www.zjlitonghose.com
Diameter of cold feed screw and barrel: Φ 30mm- Φ 300 mm
Diameter of pin screw and barrel: Φ 75mm- Φ 200 mm
L/D ratio: 12-18
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
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