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Cutting freatbord - Little saw on CNC - Do you know this ?? http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10106&t=32817 |
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Author: | rdpdo [ Sun Jul 10, 2011 4:17 pm ] |
Post subject: | Cutting freatbord - Little saw on CNC - Do you know this ?? |
Hello, I'm interessting about this. It use a little saw on a CNC to cut fret inlay... Do you kwnow where I can buy one ? Thanks [youtube]http://youtube.com/watch?v=C466kYYIVqA[/youtube] http://youtube.com/watch?v=C466kYYIVqA |
Author: | Mike Kroening [ Sun Jul 10, 2011 9:47 pm ] |
Post subject: | Re: Cutting freatbord - Little saw on CNC - Do you know this ?? |
Looks like a 90* rotary attachment with chuck. Most likely custom made to attach either an arbor with a 0.025 slotting mill, or rotary blade or something similar? MK |
Author: | Chris Pile [ Sun Jul 10, 2011 11:23 pm ] |
Post subject: | Re: Cutting freatbord - Little saw on CNC - Do you know this ?? |
It's a technique known as mill sawing. |
Author: | Bob Garrish [ Mon Jul 11, 2011 3:44 pm ] |
Post subject: | Re: Cutting freatbord - Little saw on CNC - Do you know this ?? |
Video is fuzzy, but it looks like a standard right angle head to me. They're off the shelf from a few suppliers. It uses the machines spindle to spin a secondary collet chuck. They use them at Taylor, and I know I've seen some other builders with machining centers using them as well. They tend to be pretty pricey; in the $3500 range last I checked. I've also heard that they don't last all that long in production, requiring a rebuild after a few months. If you were set on that method, I'd recommend getting a head made with a small spindle in a frame running the saw to get around the gears. I'd recommend using a high speed turbine spindle and a small end mill, as the startup / maintenance costs are much lower and you can make blind slots as well. It's not quite as fast as a saw being optimally used, but you can slot with a turbine faster than he's slotting with a saw in that video. |
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