Yes Ricardo, mostly cost and simplicity. I love servos but if I quoted servos for every machine I would be very hungry and weight a lot less than what I do now. :) I have never set up a machine with steppers that is not as accurate as any servo. The only big downside with steppers for me is the speed does not compare to servos. The last plasma I built with LCNC does 20m/sec on the X and Y axis and about 8m/sec on the Z. The fastest that the machine ever cuts is 8m/sec. The rest is wasted.
On 2013/10/16 05:20 PM, Ricardo Moscoloni wrote: > Hi Marius, did you say that about cost reasons of steppers against servos? > regards > rick > > 2013/10/16 Marius Liebenberg <mar...@mastercut.co.za>: >> Are we naive because we use steppers or because we dont know what is >> happening. I have used steppers on both systems for a long time. If the >> machine is operated within decent operating limits, you will not have >> any problems whatsoever. Even when running steppers. Dont believe that >> servos are any better, I replace them often with steppers. Closed loop >> control is only as good as the mechanical conditions allow. >> >> And yes, a machine that does not perform correctly will mostly have >> incorrect settings. Or a heap of other rubbish running on the machine >> that has nothing to do with CNC. I use the PC on a machine just for that >> and nothing else. It is a machine controller after all, not a games PC >> or the like. >> >> I use a ATOM 525 on all the upgrades or new machines that I build. If >> done correctly, no problems at all. >> >> >> On 2013/10/16 03:39 PM, Eric Keller wrote: >>> On Wed, Oct 16, 2013 at 8:55 AM, Dr.Mclem <dr.mc...@virgin.net> wrote: >>>> Mach3 gives the impression it will run on any motherboard and it not clear >>>> to new users what advantage if anything the rt kernel gives for that >>>> uncertainty. >>> I can't imagine that Mach doesn't have the same problems as linuxcnc >>> with hardware, it's just that most naive users have step/dir hardware >>> so they don't really see the glitches. Unless they miss steps. But >>> then it's blamed on settings. >>> >>> ------------------------------------------------------------------------------ >>> October Webinars: Code for Performance >>> Free Intel webinars can help you accelerate application performance. >>> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most >>> from >>> the latest Intel processors and coprocessors. See abstracts and register > >>> http://pubads.g.doubleclick.net/gampad/clk?id=60135031&iu=/4140/ostg.clktrk >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >> -- >> Regards / Groete >> >> Marius D. Liebenberg >> MasterCut cc >> Cel: +27 82 698 3251 >> Tel: +27 12 743 6064 >> Fax: +27 86 551 8029 >> Skype: marius_d.liebenberg >> >> >> >> --- >> avast! Antivirus: Outbound message clean. >> Virus Database (VPS): 131016-0, 2013/10/16 >> Tested on: 2013/10/16 04:30:22 PM >> avast! - copyright (c) 1988-2013 AVAST Software. >> http://www.avast.com >> >> >> ------------------------------------------------------------------------------ >> October Webinars: Code for Performance >> Free Intel webinars can help you accelerate application performance. >> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from >> the latest Intel processors and coprocessors. See abstracts and register > >> http://pubads.g.doubleclick.net/gampad/clk?id=60135031&iu=/4140/ostg.clktrk >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ > October Webinars: Code for Performance > Free Intel webinars can help you accelerate application performance. > Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from > the latest Intel processors and coprocessors. See abstracts and register > > http://pubads.g.doubleclick.net/gampad/clk?id=60135031&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Regards / Groete Marius D. Liebenberg MasterCut cc Cel: +27 82 698 3251 Tel: +27 12 743 6064 Fax: +27 86 551 8029 Skype: marius_d.liebenberg --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 131016-0, 2013/10/16 Tested on: 2013/10/16 06:48:46 PM avast! - copyright (c) 1988-2013 AVAST Software. http://www.avast.com ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60135031&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
