I’ve been told that the best approach to cutting small circular inlays is w/ brass tubing. Can someone please describe the process.
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Replies
The way I've done it is by handfiling "teeth" on one end of the tube and chucking the other end in a drill press. Hope I helped - Scott
For anything a 1/4" or large, I use a tapered cutter for the plug, and then a Forstner bit of matching size for the hole. With this procedure, the material to be inlayed must be about a 1/4" thick, or preferably thicker.
Or ---- are you talking about smaller inlay dots on thinner stock ---- such a guitar face?
Thinner, for 1/2 scale model furniture.
Perhaps you could contact a local machine shop. In my experience, brass that small and that thin is too soft to be used repeatedly, especially on hard maple, oak etc.
Think hypodermic needles. Cut it off flat, sharpen the outside, use a drill press, and punch the dot out of the tool with the next lower size blunt needle, These needles are made from stainless steel, 150-200 KPSI tensile.I just bought 30' of .058" OD x .042" ID from a place in MA but they have a $100 minimum.For me this was cheaper than continually buying blunt needles from McMaster Carr, but I needed to do a lot of hole punching. Needles for vets go up to 1/8". A #13 needle is .092" OD X .073" ID, and a #15 needle is .072" OD for a punch.
reep, A hollow revolving paper punch should do the job . Slow speed ( to prevent burning)
May have to poke out the 'Slugs'after 3 cuttings. Just use a rod through the top of the punch and push down.
If wood is very thin, and you can afford it, buy an 'Arch' punch (Made by Osborne
of the correct size.and punch out some, using a hammer and a block of hardwood with the end grain up, and held in a vise or atop a flat block of metal. Steinmetz
Edited 8/12/2004 4:13 pm ET by steinmetz
reepenstein,
I've used a leather punch (like a pair of pliers, with a revolving head and various sized hollow punches). Choose the size you want, punch the dots out of veneer. Drill appropriate size hole in your stock, and glue in place.
Regards,
Ray
Re',
Try Stewart Macdonald - They have "everything for building and repairing stringed instruments".
They have all the tools and materials needed to create small inlays like the ones you're attempting.
http://www.stewmac.com/shop/Tools/Special_tools_for:_Inlay.html
Dan Kornfeld, Owner/President - Odyssey Wood Design, Inc.
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