Screw Elements

• Outer Diameter: φ25 – φ400 mm

• Connection Types: Keyed, Hexagonal Spline, Internal Hexagon, Involute Spline

• Structure: The screw consists of a central shaft and hollow screw elements.

Key Features:

• By replacing certain screw elements, the system can be adapted to extrude different materials.

• Kneading segments and movable segments can be easily installed or replaced.

• A single screw shaft can be configured to process a wide variety of materials.

Types of Screw Elements

Conveying Elements

Deep channel conveying elements (SK)

Single-thread, double-thread, and triple-thread screw elements

Mixing Elements

Kneading blocks and kneading discs

Transition elements (GD)

Side feeder elements

Customized elements available upon request

Compatible Extruder Models

- APV                    - Kobe                - Theysohn             - Bühler        - Toshiba              - Buss                  - USEON                - Clextral        - Labtech             - Ｋｕｒｉｍｏｔｏ         - Coperion             - Lantai

- JSW                   - Leistritz             - KEYA                    - Maris         - OMC                - Ikegai

Material Categories & Properties

1. German Imported HIP Material System (Ultra-Wear-Resistant Bimetallic Powder Alloy)

• Type: HWA

• Features: Ultra-high wear resistance, high torque capacity, excellent corrosion resistance, anti-fracture performance

• Applications: Designed for high-end twin-screw extruders; ideal for processing engineering plastics with over 50% glass fiber content and other highly abrasive environments

2. Standard Materials

• Types: HW01, HW02

• General-purpose materials for conventional applications

3. High-Speed Tool Steel

• Type: HW03

• Features: Vacuum quenched and fully hardened screw elements; high wear resistance with strong toughness

• Applications: Suitable for materials with less than 30% glass fiber, high-filler engineering plastics, and wood-plastic composite (WPC) processing

4. Nitrided Steel

• Type: HC01

• Features: High hardness, excellent corrosion resistance, superior toughness, anti-fracture properties

• Applications: Used for standard and compound screw elements;

• Note: Hard outer layer with tough core, corrosion resistant

5. Hastelloy Alloy (Nickel-Based Superalloy)

• Types: HCS03, HCS04

• Features: Exceptional corrosion resistance

• Applications: Ideal for screw production in fluoropolymer (F46) extrusion processes

6. Stainless Steel

• Types: HCS01, HCS02

• Features: Excellent rust and corrosion resistance

• Applications: Commonly used for food-grade extruders and anti-corrosion screw components