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
