Product name : High quality 105mm New design bimetallic screw and barrel for plastic extrusion, injection, blowing machine
Specification:
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)
3) 9Cr18Mov
4) CW6Mo5Cr4V2
Characteristic
High quality alloy-steel
Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
Spray bimetallic coating
Depth of nitriding layer: 0.5~0.8mm
Nitriding hardness: 900~1000Hv
Nitriding brittleness: less than one grade
Surface roughness: Ra0.4
Straightness of screw: 0.015mm
Surface hardness of chromium plating after nitriding: greater than 950Hv
Chromium plating thickness: 0.025~0.085mm
Application
1) Used for plastic products extrusion: blowing film, film, sheet, sheet, pipe extrusion
2) For chemical fiber extrusion: PET, PA6, film, non-woven fabric, rope fiber
3) Used for plastic recycling granulation
4) For cable extrusion: suitable for PVC, PE, PBT, and plastic fluoride