Cylinder Planetary Screw For Plastic Extruder

Product Decription

Planetary screw is a special structural design in plastic extruders, which is composed of a central screw, planetary small screws and a barrel with internal helical teeth. The planetary screw rotates around the central screw and rotates itself simultaneously, achieving efficient transmission through involute tooth profile, thereby ensuring uniform mixing and melting of materials.
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
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 .

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