TQPP Film Plant Screw Barrel
TQPP Film Plant Screw Barrel
TQPP film plant screw barrels are essential components in TQPP film extrusion equipment, designed to melt, mix, and extrude polypropylene (PP) resins into thin films that are then quenched to achieve desired properties. These screw barrels play a crucial role in achieving uniform melt distribution, controlled cooling, and precise dimensional accuracy required for different TQPP film specifications.
Specification:
Screw diameter:Ø15-Ø300 Aspect ratio:15-46
Product type:
For
different plastic products screw can be used: ordinary type, pin type,
barrier type, separation type, exhaust type and so on.
Base material:
1)38CrMoAlA(JIS SACM645) 2)42CrMo(AISI 4140)
Process:
Heat treatment Nitriding treatment
Technical Parameters:
Nitriding depth: 0.50mm-0.80mm Nitriding hardness: 900-1000HV
Nitriding: <= Level 1 Surface roughness: Ra 0.4
Screw straightness: 0.015mm The hardness of the surface after chrome plating:≥950HV
Chromium layer thickness: 0.025~0.085mm Double alloy depth: 3mm
Benefits
Uniform Melt Distribution and Dimensional Accuracy
TQPP film plant screw barrels ensure uniform distribution of molten polypropylene resin within the extrusion die, resulting in consistent film thickness and dimensional accuracy. This enhances product performance and reduces material waste.
Enhanced Durability and Wear Resistance
Our screw barrels are manufactured from high-grade materials such as nitrided steel, bimetallic alloys, and tungsten carbide coatings, offering exceptional wear resistance and extended service life. This minimizes downtime and maintenance costs.
Optimized Processing Parameters
By optimizing screw geometry and material composition, our screw barrels improve extrusion parameters such as cooling efficiency, melt homogeneity, and line speed control. This enhances production efficiency and reduces energy consumption.
Customization Options
We offer customization options to meet specific customer requirements, including screw diameter, L/D ratio, flight geometry, material composition, and surface finishes. Our engineering expertise ensures that each TQPP film plant screw barrel is tailored for maximum performance and reliability.
