0 Members and 1 Guest are viewing this topic.
I have some perforated sheets of aluminium, about 18"x30", and about 2.5mm thick. I'm trying to make electrostatic loudspeakers with them but the edges of the perforations are too sharp causing corona leakage off of them.Is it possible to put these sheets in a bath of sodium hydroxide and let it disolve the edges? Is this feasable?
Instead of removing material to smooth out the sharp edges cant you have to the aluminium powder coated or sprayed with some form of paint or lacquer instead
I have tried to lacquer the panels but the sharp edges repel it and that is the most important place the lacquer needs to be
Quote from: bigwill on 04/07/2007 13:14:49I have tried to lacquer the panels but the sharp edges repel it and that is the most important place the lacquer needs to beMaybe you could use this to your advantage.If the sharp edges are repelling the lacquer, then coating the aluminium with lacquer to protect it from acid would help prevent the acid from eroding the main body of the aluminium, while leaving the sharp edges more exposed to the acid.