TheWire 
You guys probably know this, you can get a good bond between aluminium and epoxy by sanding through a thin layer of wet resin, the epoxy can then bond before the aluminium forms a protective oxide layer.
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10-01-2020, 09:54 AM #1
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Re: Torsion box router with a 4th axis.
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10-01-2020, 07:52 PM #2
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Re: Torsion box router with a 4th axis.
I had not heard or thought of that. Thank you. Do you sand through the resin with the hardener in it? I guess I would want to contact the company to ensure the epoxy I'm using would adhere well to aluminum.
Originally Posted by Zorbit
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10-01-2020, 10:00 PM #3
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Re: Torsion box router with a 4th axis.
Mix epoxy as normal, spread a thin layer on the aluminium and sand with coarse grit. The epoxy prevents the oxide forming and makes a strong bond. If you're interested in epoxy and wood construction the Gougeon brothers book is excellent and free: https://www.westsystem.com/wp-conten...k-061205-1.pdf Originally Posted by TheWire
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