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Serving the UK plastics industry

Month: December 2015

Plastic vs Metal – is cost the only consideration?

There will always be an argument for using metal over plastic, which has often been seen by both the engineering fraternity and the general public as a ‘poor cousin’.  However, the field of Plastic Component Design and Production has been evolving in recent years, and should now be viewed as a technical solution that in some cases can out-perform machined or cast metal….

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Replacing a worn plasticising screw? Shouldn’t you be upgrading for better productivity!

When you buy a plastic processing machine, the plasticising screw is often supplied with a General Purpose (G.P.) design and nitrided wear resistance. In many cases the OEM won’t have been told you only process particular material grades, and a GP screw provides the biggest processing window across the spectrum of materials.

This design however, will always be a compromise….

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