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Wear parts for compressed sawdust

I have a piston type machine for manufacturing compressed sawdust fire logs. This machine is really very basic and has only four wear parts. Namely a piston head, wear nut, taper and wear sleeve. The finished product fire logs are 75 mm diameter.

The taper and wear sleeve need to be frictionless to manufacture a good log and highly abrasive resistant to last. Can somebody please help me to find a suitable abrasive resistant and low friction coating or steel / treatment for these wear parts.

Gerald van den Blink
firelogs - Cape Town, South Africa
2006

There are certainly alternatives, and some may even be better, but the 'standard' time-proven approach for components like this is hardening the steel and then hard chrome plating it. Good luck.

Ted Mooney, P.E.
Striving to live Aloha
(Ted can offer longterm or instant help)
finishing.com - Pine Beach, New Jersey
2006

adv.
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