04-24-2015, 07:51 AM
(This post was last modified: 04-24-2015, 07:52 AM by Sunset Machine.)
I'd bore a slightly tapered hole (3 times the diameter or so) and make a tapered end on the shaft. Heat the hole up sizzle hot, slather some loctite "press-fit" (680?) on the male end and assemble.
When you turn the male end, test the fit by chalking it (3 or 4 equidistant lines). Carefully insert it into the hole and give it a little twist. Check the contact pattern. Use a file on the spinning shaft to adjust. The assembly should lock hard even when cold, contraction after heating will lock it even harder and the loctite fills in the gaps.
When you turn the male end, test the fit by chalking it (3 or 4 equidistant lines). Carefully insert it into the hole and give it a little twist. Check the contact pattern. Use a file on the spinning shaft to adjust. The assembly should lock hard even when cold, contraction after heating will lock it even harder and the loctite fills in the gaps.