Quote Originally Posted by Jonathan View Post
Agree with Jazz here, you hardly get anything from melting down the swarf as the surface area to volume ratio is so high and the surface is aluminium oxide which obviously doesn't melt.
I take the swarf to the scrap place and keep the offcuts for when I eventually get round to melting it....
Again i agree but im not sure that a max of 5nm of oxide per surface is the problem if your chips are cut correctly rather the burn off.