The .008" end mills arrived yesterday. Yes that is really tiny.
My wife had a good idea as she usually does. Fill in the lines with spackle and wipe off the excess. You can press the spackle into the .02" deep gorges.
Saturday, November 15, 2025
Cutting Little Gouges
I mentioned a few days ago solving the problem of cutting degree markers in a 6" hemisemicitcle for the mount by cutting gorges in CFC, painting the entire area, then using a fly cutter to remove all areas above the bottom of the gorges to get excess paint off. This did not work as well as I hoped. The paint did not accumulate very deeply in the .120" wide gorges and this was spray paint.
Because these are likely quite brittle, I was feeding at .1 inch/minute, in .01" depth cuts. Nothing broken.
It actually looks pretty good. Taking .0005" off the top should cure anything that does not wipe off.
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Interesting. The only time I've seem people do stuff like this was to do UV etching with printing on transparencies. This is certainly more exact.
ReplyDeleteWas thinking about your holding a non-square work piece. Have you looked at "Fractal Vises." I've seen them for (cheap) $49.95 to a really nice one at $2995. Some are sized as drill press vises and might work well with machining.
ReplyDeleteInteresting. I only machine stuff that starts as square.
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