60 or 80 watt laser tube on 2.x laser?

[cvoinescu]

Whatever you do, for your own safety, do not grind aluminium alloy: http://web.mit.edu/machineshop/Grinder/aluminum.html

[injunear]

Whatever you do, for your own safety, do not grind aluminium alloy: http://web.mit.edu/machineshop/Grinder/aluminum.html

Yes, I know not to grind aluminum on a 'grinder'. I would likely use a dremel cutoff wheel to take the v-edge off the makerslide in the area of concern.
Bob T.