Removal

I rough machined the backside of the generator mount on my Sportster cases today:

Before (post welds):



Finding the center of the hole, to be concentric with the center of the spindle on my milling machine:



Using my boring head as a surfacing tool:



And all done for now:



I'll probably finish the rest by hand. I only wanted to remove the majority of the excess weld bead, not get it totally flat and smooth. I accomplished exactly what I meant to. Why didn't I know how to do this stuff years ago?