Ningbo DW Plastics Machinery Co., Ltd.

 

Quality Nitrided Screw For Plastic Injection and Extrusion

 

Our nitriding screw barrels have excellent thermal conductivity, which can help to optimize the plasticizing process and reduce energy consumption.

They are widely used in various plastic machinery, such as injection molding machines, extruders, and blow molding machines. Also, they have been widely recognized by the plastic industry due to their outstanding performance, especially in the processing of high-temperature and high-viscosity materials.

 

Technical Parameters

Material: 38CrMoAlA or DIN1.8550

Suitable Machine: Injection / Extrusion / Blowing ...

Available Size: Φ14 - 500mm, L < 8,000mm

Process Method: Gas or plasma Nitriding

Surface Hardness: 950-1000HV

Nitriding period: 120 hours nitriding process

Effective Nitriding Depth: 0.3 - 0.5mm

Max. Nitriding Depth: 0.6 - 0.8mm

Surface Roughness: < Ra 0.8

Screw Straightness: < 0.02mm/m

Advantages

Automatic CNC lathe, milling machine equipment, deep hole boring machine, up to 10m depth nitriding and automatic heat treatment equipment;

Professional operators to ensure the accuracy of each process;

Various mixing heads design to meet the plasticizing requirements of different plastics.

Applications

General plastics & engineering plastics with below 10% glass fibre filling.