On 20 Feb 2016, at 09:29, Gene Heskett wrote: > On Saturday 20 February 2016 02:49:15 Marcus Bowman wrote: > >> On 20 Feb 2016, at 02:31, Gene Heskett wrote: >>> Greetings all; >>> >>> I am not haveing any luck finding one smaller than 3/8 radius, and I >>> need one that cuts with a 1/8" radius. >>> >>> Any body know of a place I might be able to source one that small? >> >> Not sure where might be close to you, but I have one which I got at a >> local wood turners' store. It is a 1/8inch gouge tool, but I made it >> into something more like a fingernail tool by grinding. I just copied >> the shape of one of my larger fingernail gouges. With a tool that >> small in section, it needs support close to the cutting edge, because >> I find mine prone to chatter unless the rest is set close in. I would >> be inclined to fix it in a 5/8inch sleeve machined with a tapered >> nose. >> >> I can also highly recommend the Drozda Finial Gouge, which takes >> things a stage further. Cuts beautifully when used by hand. You can >> buy one here: http://www.cindydrozda.com/html/Tool_Info.html >> >> but I bought the DVD which shows you how to make one (too far away for >> the expensive carriage on the tool to make sense). There is a youTube >> video around which shows much the same thing, I think. There used to >> be a clip on the Drozda site, as I recall. >> >> Marcus > > But Marcus, I am not doing this by hand, or even on a wood lathe, this > would be a router bit, chucked in my milling machine, possibly making > multiple passes to get the correct edge profile.
Point taken; sorry. So could you do this using a ball-nosed end mill? Or could you reshape an end mill? > The workpiece is > clamped in a vise mounted on the table, jacked up to achieve the correct > tilt. > > I considered making a planer/molder wheel of the type that uses > interchangeable knives, but I haven't come up with a planer/shaper blade > to do that either. Blank molding knives ISTR one could once buy, but the > grizzly catalog has none today. Worse comes to worse, I have some 1/2" x > 1/8" unhardened A2 but I am not set up to do the hardening. That I can > shape with a 1/4" SC mill, lapping the face on a 12,000 grit water stone > to sharpen it but no idea if it could do 72 ends of these mahogany > things without several trips to the powered waterstone. At 1.75" radius > of knife holder, a single tooth at 2500 revs should do it, and I do have > the raw stuff on hand to make that. Sounds viable and would probably give you the same result as the end mill, but with fewer passes. Marcus > And the weather is looking good for > tomorrow too, so I won't freeze my feet. > > I need 2 tilting vises, I hate disturbing the angle its set at right now > as its hard to restore exactly. No vernier drive on the tilt. Cheap $60 > Snears & Takeitback vise. But it is solid. > >>> A fingernail bit is not quite a beading bit as the ends of the >>> cutters are at a 90 degree angle to each other, 45 degrees off axis >>> for both upper and lower "wings". I need to roundover the ends of >>> these trim pieces, but do it in 3d by tipping the vise 45 degrees so >>> the meeting line of two curves is horizontal and I can then cut a >>> curve of the same radius as if a 1/8" roundover was used. But since >>> its two curves meeting, and LCNC can't cut a 3d curve, I don't see >>> another way to do it without the fingernail style tool. >>> > Thanks everybody. > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
