Parallel Twin Screw and Barrel for Plastic Extruder Machine

Technical Specifications:

The product is made from high-quality chromium-molybdenum aluminum alloy (38 CrMoAlA), ensuring durability and performance under demanding conditions.

Surface hardness: HV 290

Nitriding hardness: HV 950 – 1000

Nitriding depth: 0.45 – 0.7 mm

Nitriding brittleness: More than level 1

Surface roughness: Ra 0.4

Screw straightness: 0.015 mm

After nitriding, chromium plating surface hardness: 900 HV

Chromium plating thickness: 0.05 – 0.10 mm

Double alloy hardness: 60-70 HRC

Product Specification:

PX-62 to 200

Length-to-diameter ratio: L/D = 18 to 25

Screw compression varies based on raw materials and product design requirements.

Product Overview:

This parallel twin screw is specifically designed for processing PVC tubing, as well as other materials such as boards, sheets, and modified polymers. It ensures efficient and consistent extrusion performance across various applications.