Lesun Screw: The Reliable Partner Supporting Quality and Efficiency in Nylon Modification
Lesun Screw: High-Performance Screw Elements and OEM Components for Twin-Screw Extruders
Stretching elements, also called S-type elements, improve material exchange and distributive mixing in partially melted zones.
Best suited for:
Semi-plasticized material zones
Improved dispersion
Gentle mixing processes
SK conveying elements provide approximately 15% higher free volume than standard conveying elements and are particularly suitable for low bulk density materials.
Best suited for:
Feeding zones
Side feeding
Low bulk density materials
Transition elements are designed to connect different screw element geometries while minimizing dead zones and material retention.
Best suited for:
Transition between single and double flight elements
Connection between SK and standard conveying elements
Geometry change zones within complex screw configurations
Six-sided geometry enabling uniform torque transfer and rapid screw element replacement.
Best suited for:
Powder coating
Frequent material changes
Fast screw configuration changes
CKE elements combine conveying and mixing functions, providing gentle material exchange with low shear and reduced energy consumption.
Best suited for:
Heat-sensitive materials
Low-shear compounding processes
Applications requiring stable conveying with mild mixing
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