Have you considered trying single flute endmills? With single flute you could run at twice the RPM of 2 flute and the same chip loads and axis speeds. That might solve the problem of insufficient power for high speed movement and insufficient low speed spindle torque.
> -----Original Message----- > From: Gene Heskett [mailto:ghesk...@shentel.net] > Sent: Monday, June 03, 2019 1:18 PM > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC > > On Monday 03 June 2019 12:16:09 pm Jon Elson wrote: > > > On 06/03/2019 10:02 AM, Dave Cole wrote: > > > Mach4 is unknown to me and requires a phone home > > > license. Is there a compelling reason to go there? > > > > Does this mean Mach4 will no longer run if Artsoft closes or > > changes their net address? > > Yikes, I sure would not want to be locked in like that! > > > > Jon > > > If they change the address, but not the name, and Artsoft updates that > address at the root dns servers in a timely manner, it should fix > itsself in a day max. But if they change the name, the doo-doo quickly > gets pretty deep. > > IMO (mach, either 3 or 4) is off the table for exactly that reason. > > And the interface in the control box that comes with a 6040 gantry is > designed only for mach3 and that severely limits what linuxcnc can do, > no home switch, no limit switches, and by then I was so pissed I never > checked for a G38.2 input. All it can do is start and stop the spindle > motor at what ever speed the knob is set for, no speed, no reverse > despite the fact that its vfd does have those inputs, but they don't > work. > > So in the end that whole shebang is now holding down the lid on a can of > paint, replaced by a new 5i25<->7i76 interface, and the psu and motor > drivers that used to run my hf mill. Which means I have a clone vfd > running the spindle too. So I got a reverse too. The motor drivers, > tb6560's, are probably ok, but the psu needs 5 more amps to drive all 4 > axis's, doing a foldback to about 14 volts from its 24 volt label. My > old psu is 28 volts at 12.5 amps and just sits there, running cool with > all motors plugged in. > > I gotta learn how fast to run the spindle though, even with coolant, alu > welds itself into a tool gullets pretty quickly at >10k revs. I have > some tooling sitting in 3/8" of liquid drano eating the alu out of the > gullets. Slower than lye, but working. > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > 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> > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
