While I was out of my house after the fire, I picked up a Clarkson cutter grinder - MK1, I think. This weekend, I finally got around to trying it out on a few dull end mills. Some years ago, I started to build a grinder. I got as far as building the spindle, based on R8 collets, since those were the only ones I had at the time. If I were starting now, I'd use 5C collets. My original design was based on a different layout than the Clarkson, so some rework would be necessary to optimize its...
Clarkson Cutter Grinder
Clarkson Cutter Grinder