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Post by garylyb on Feb 15, 2018 18:15:16 GMT -5
I figured I'd share this as it's so good and easy. I wanted to inlay some numbers into a clock so that the numbers were proud of the clock, and a different color. The hard part was cutting out the numbers that were under 2 inches high. I tried double sided tape, that was a mess. I tried to onion skin on the CNC, but the thin wood was not flat enough. I cut either too much or too little. I sure wasn't going to use tabs on all these little parts and came up with this procedure. I cut some maple a little thicker than I needed, in this case about .2 inches thick and painted it. I then cut the male parts at .185 deep which left them securely attached at that time. Then applied masking tape on the front of the piece, and ran it through the drum sander with small passes. I stopped when you could see the outline of the parts clearly, and some of them were cut all the way through. I then turned it over and removed the masking tape, and amazingly, all the little parts were right there as perfect as could be. The thin skins around the parts can be flicked off with your fingers, no sanding required. No glue, no double sided tape, no sanding. This is a good thing.
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Post by redwood on Feb 16, 2018 12:11:52 GMT -5
Very nice, I guess I need to get a drum sander now.
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Post by branson on Feb 18, 2018 20:55:56 GMT -5
Very nice, I guess I need to get a drum sander now. Agreed
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Post by RetiredAFChief on Mar 1, 2018 9:37:15 GMT -5
very nice...
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Post by Bill Teague on May 31, 2018 6:31:37 GMT -5
What cutter or bit did you use? Appears to be a small end mill. I have only used 60 deg V bit, but parts were sanded smooth.
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Post by garylyb on May 31, 2018 23:09:25 GMT -5
It was a 2mm downcut endmill from drillman1 on ebay
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grg
Junior Member
Posts: 140
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Post by grg on Jun 10, 2018 14:11:55 GMT -5
Cool tip. I've tried onion skin and drum sander routine but not the tape. Word of caution, though - if you try this with a thick piece and the small parts do dislodge, it gets pretty exciting as it jams the drum sander (a jet 16-32)...don't have your fingers near it!
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Post by buildswithbrian on Oct 27, 2018 5:54:57 GMT -5
nice tip, thanks!
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johnb
Full Member
New owner @ March 2019, AR16 Elite, Aspire, 4th Axis & Laser
Posts: 326
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Post by johnb on Oct 28, 2018 7:07:51 GMT -5
I figured it out from the photos, but you had me confused there for a moment with the text "Then applied masking tape on the front of the piece, and ran it through the drum sander with small passes"
Clearly, you applied the masking tape on the front of the piece THEN TURNED IT OVER and ran it through the drum sander.
I'm guessing you didn't have the 60 grit on the drum sander at the time either. Just out of curiosity, what grit DID you use?
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