On 11-09-07 4:03 PM, Kirk Wallace wrote: > I need to make some violin pegs and I have very little experience with > wood turning. One option is to work the wood the same as I would with > metal, but I don't think wood single points very well. I have a wood > lathe I could use, but I want the peg taper to be very accurate and I'm > inclined to not try the taper with a gouge by hand. Plus my CNC lathe > would make the project much shorter (maybe). So, what would be the best > way to CNC wood pegs? > > This link shows how the taper is normally trimmed, but this also seems > like a poor way of cutting wood: > http://hmi.homewood.net/pegjob/ > > As a side note, I made a peg hole reamer by turning a taper on some > unknown piece of steel rod (in other words, probably soft) on my manual > lathe, rotated the cutter so the top faced the spindle (brake locked), > then cranked the compound (still canted at 1 degree) to use the compound > as a shaper. I cut two shallow flutes parallel to the rod axis. The > shallow flutes clogged quickly with wood shavings, but I was able to > ream four holes and fit three pegs. The problem is, I can't find the > fourth, and I can't do my movement #3: > http://www.youtube.com/watch?v=JdYGmPH9fcs > > without it. I don't have a video of my performance, so that's not me in > the above link. I'll most likely find the missing peg after I make a new > peg set. > > I experimented a bit with something similar a few years ago in response to a question on another forum. The video in post 5 of the following link shows my results. http://www.cnczone.com/forums/wood_lathes_mills/72513-need_advice_turning_wood_w.html Tool bit is hand ground 1/8" square HSS mounted with about 15 degrees of positive rake.
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