some right angle dremel tool attachments have flat sides that can be clamped to other things. there are also air powered pencil die grinders that have been adapted as high rpm spindles. for cutting thin sheets, an exacto knife could be chucked up to use the spindle as the rotating element of a swivel knife arrangement. disengage any drive to spindle so it rotates freely, and plan the tool path so the knife point follows around like a shopping cart wheel. in certain cases, the axis movement motors are capable of providing the useful work energy without any help from a spindle motor. for example, a knurling wheel will work in a neutral spindle, letting the spindle rotate by the friction of the wheel rolling along the work surface.
for cutting aluminum can material, a ball point pen run over the cut line many times against a hard backing surface will produce a breakable score. --- On Sun, 2/12/12, gene heskett <ghesk...@wdtv.com> wrote: From: gene heskett <ghesk...@wdtv.com> Subject: Re: [Emc-users] Need advice on 1/16" end mill To: emc-users@lists.sourceforge.net Date: Sunday, February 12, 2012, 7:50 PM On Sunday, February 12, 2012 10:36:58 PM doug metzler did opine: > I've had good luck with the high-spiral (aluminum specific) 2-flute > cutters, but have not gone below 1/8" The cutters only have about > 3/8" of cutting depth. Something like McMaster 8829A12? > > DougM > I found the 1/16" version, but at $35 a copy, nope. 8515A21 is still $12.50 copy. Supposedly their best TiCN coated stuff. I'll ring up Hemlytool tomorrow & see what they have. I've always gotten decent tools at a decent price from them. > On Sun, Feb 12, 2012 at 5:10 PM, gene heskett <ghesk...@wdtv.com> wrote: > > Hi Guys; > > > > I just broke my last brand new 1/16th carbide end mill in about 15 > > minutes running time, a 4 flute with about 1/2" of working length, > > trying to get started on another alu encoder wheel, getting about 80% > > of the way around the outside, running at 2500 revs, and 1.5 ipm, > > cutting only .005" deep, running in a puddle of cutting oil. > > > > Obviously the 4 flute is a no-no in soft alu as it was pushing alu > > ahead of itself for 90% of what it did cut which tells me it was half > > plugged after the first 1/2" of feed in that heavy duty (0.0037" > > thick) coors can alu . Filled up the flutes nearly instantly even if > > it was swimming in cutting oil. > > > > So, I need to find a more suitable mill for this, I assume only 1 or 2 > > flute, and maybe only 1/8" of working bit. > > > > Since I don't have a 10,000 rpm spindle, 2500 is it, what mill should > > I buy, and how fast can I feed it? Or am I doomed to go find some > > harder sheet alu that cuts cleaner and won't plug up a mill? > > > > Thanks. > > > > Cheers, Gene > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author) > > My web page: <http://coyoteden.dyndns-free.com:85/gene> > > A man usually falls in love with a woman who asks the kinds of > > questions he is able to answer. > > -- Ronald Colman > > > > ---------------------------------------------------------------------- > > -------- Try before you buy = See our experts in action! > > The most comprehensive online learning library for Microsoft > > developers is just $99.99! Visual Studio, SharePoint, SQL - plus > > HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when > > you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------ > ------ Try before you buy = See our experts in action! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-dev2 > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> And do you think (fop that I am) that I could be the Scarlet Pumpernickel? ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
