Cylinder Planetary Screw For Plastic Extruder

　　Planetary screw specialized in rigid PVC products,such as plastic sheet, PVC medical sheet, PVC card substrate, 

       PVC poker card material, PVC watches sheet, color ,etc.

　　Technical Specification:

　　DiameterΦ70mm-Φ190mm

　　Materials:38CrMoAlA (JIS SACM645)SKD61GH113

　　Nitride Case Depth:0.5mm-0.8mm

　　Nitride Hardness:960-1060HV

　　Nitride Brittleness:≤Grade One

　　Surface Roughness:Ra0.4um

　　Screw Straightness:0.015mm

　　Alloy Hardness:HRC58-70

　　Alloy Depth:1.5mm-3.5mm

　　Design:Screw structure and compression ratio can be designed according to different products & different

　　clamping force requirement. We can select&design the matching screw barrel to meet your requires.

　　Application:All kinds plastic & rubber and All kinds of glass fiber,the PPA, PPS,PA6T, LCP, electric wood powder,

　　magnetic powder ,iron powder and other special engineering plastics .