Conical Twin screw and barrel for pvc, upvc pipe extruders

Product Description

Conical twin screw and barrel of Jinze Plastic Machinery are basically designed to deliver an extrusion process that will give you a head start in producing high-quality products at competitive prices. Please find the detail information of our conical twin screw and barrel below.

Product Specification:
*5/*0, *5/**0, *0/**5, *1/**5, *5/**0, *5/**0, *8/**4, *0/**5, *5/**0, *5/**2, *8/**3, *0/**5, *0/**0, *5/**0, *0/**3, *0/**6, *2/**8

The ranges of specification above are standard models which are normally kept in stock. We can customize screw and barrel according to your special needs and the compression ratio can be adjusted based on your product and ingredients.

Base Materials
Mainly we use high quality *8 CrMoALA(JIS SACM**5), *2CrMo(AISI ***0), 4Cr5MoSi V1 (JIS SKD**1), etc., most of which are imported from Germany or Japan.

Our screws and barrels are covered by alloy in wearing parts. The material of alloy is as follows:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Special treatment and parameters:
Nitrided layer depth: 0.**0.8mm
Nitrided hardness: *******0HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.**5mm
Hard-chrome plating hardness after nitriding: Higher than **0HV
Chrome-plating layer depth: 0.****0.**5mm
Bimetallic layer depth: 3mm

Normal Delivery Date: *0 days
Quality and Service Warranty: 1 year