Shanghai Jinwei Machinery PVC Conical Twin Screw

Description :

　　·Product, Golden Conch

　　·Multiple product models

　　·Product Description

　　Conical twin-screw barrel

　　Product Introduction

　　Conical twin-screw barrel

　　material

　　alloy steel

　　1)38CrMoAlA(JIS SACM645)

　　heat treatment

　　nitriding treatment

　　Spray corrosion-resistant and wear-resistant bimetallic layer

　　Electroplated hard chromium layer

　　technical indicators

　　Depth of nitride layer: 0.5~0.8mm

　　Nitriding hardness: 900~1000Hv

　　Nitriding brittleness: less than,,

　　Surface roughness: Ra0.4

　　Screw straightness: 0.015mm

　　Surface chrome hardness after nitriding: greater than 950Hv

　　Chrome plating thickness: 0.025-0.085mm

　　Scope of application:

　　PVC wood plastic, PE wood plastic, ultra-high molecular weight board, unburned brick pallet, high calcium ratio of 1:2 or above

　　Buckles, high calcium pipes, high calcium profiles, soft PVC sheets, PVC foam boards and other ordinary plastics

　　PP、PE、ABS、PVC、 Raw material granulation, production of pipes, profiles, sheets and other products.

AfterSalesService :

• Jinwei Machinery PVC Conical Twin Screw