Screw and Barrel for Film Blowing Machine

Specifications

Screw and barrel for plastic machinery

1. High degree of alloy density and hardness with low rate of porosity.

2. Even heating of alloy powder with low rate of residual stress.

3. Attaining effective spray coating.

4. High impact energy and achieving even distribution of hardness.

5. High anti-abrasion and anti-corrosion resistance strength as well as withstanding high temperature.

6. High adhesive strength with adjustable coating thickness.

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Technical Data:

Depth of Nitrated Layer: 0.5-0.8mm             Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1      Surface roughness: Ra 0.4um
Hardness of Cr-coating Layer: ≥950Hv          Thickness of Cr-coated Layer: 0.03-0.08mm
Hardness of Bimetallic Layer: HRC55-72         Depth of Bimetallic Layer: >2mm

Special surface treatment like hard nickel or hard chrome plating depending on the material to be processed can be used on most of these Nitro Alloy Materials as per clients requirements.

If you do not see the particular model you are looking for in our website, please give us a call to discuss your needs.

In most case we can provide you with a complete solution to meet your demands.