I wish I had the space to play with one of those... > -----Original Message----- > From: Martin Dobbins [mailto:tu...@hotmail.com] > Sent: February-22-22 10:06 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] FW: [MachCNC] Mach4 teach/record > > Hi John, > > I am a member of the Mach group from Yahoo times, I don't have the rights to > post (don't want them either) but sometimes? the > discussions are interesting. I do know the original poster has a robot but > didn't want to use it because it is too expensive for the > task. > > With that in mind maybe a robot would be the best thing for this project- but > not an expensive one: > > https://www.youtube.com/watch?v=P2O8KCmVjU0 > > Martin > > ________________________________ > From: John Dammeyer > > Thanks Martin, > His question and the subsequent discussion on the MACH group has morphed in > now discussions on whether to use closed loop > steppers and ethercat. Not sure why everyone is so fond of leadshine closed > loop steppers but what do I know. I like my AC servos. > > A decade or more ago it was MACH3 and the ESS or USB smooth stepper or the > EMC as it was then called. Now it seems there are a > lot more CNC solutions around and the number of people even considering LCNC > seems to have dropped. > > I'm also surprised there isn't some sort of teaching module ready to go for > LCNC although again, really, how many even want > something like that. > > Much as Brian Barker might want to create a module the ultimate issue isn't > the starting point but support a year or so later. > Without sales to support the work that only one client wanted that may leave > him hi and dry. At least a DIY LCNC solution is always > open source with more than one clever person ready to help. > > And since there are versions of the MESA that close the loop for servo > control on each axis I'd think that a training version with > servos would be pretty easy. But again I may be simplifying all this. > > Before I send the original poster a link to this group along with the say the > MESA site are there any other hardware solutions that > would also be suitable? > > John > > > -----Original Message----- > > From: Martin Dobbins [mailto:tu...@hotmail.com] > > Sent: February-22-22 6:31 AM > > To: Enhanced Machine Controller (EMC) > > Subject: Re: [Emc-users] FW: [MachCNC] Mach4 teach/record > > > > John, > > > > No, the video isn't relevant to the original question, the attitude > > expressed in the video may be. "I figured it out, it took me 5 > > seconds, 5 months, and after I did I wondered why it took so long because > > it was so easy" . I think I know why he does that ?? > > > > Some folks like figuring things out, others want someone else to do it for > > them. The fact that you also wrote that Brian Barker > > (MACH4 support) is interested in writing a module that does it, along with > > the tenor of the original post might suggest that this isn't > a > > "teach a person to fish" opportunity. I could be wrong, I often am . > > > > It looks like there's a starting point here, and if the person already > > knows python (or is willing to learn it) he could hit the ground > > running, that's if he wants to give up Mach 4 that he's so familiar with. > > > > Martin > > > > ________________________________ > > From: andy pugh > > On Mon, 21 Feb 2022 at 19:09, John Dammeyer <jo...@autoartisans.com> wrote: > > > > > My wired pendant like the one in the video works great. But I'm not sure > > > how that's relevant to my question with respect to > > someone wanting 4 rotary axis that currently doesn't exist in MACH4 > > > > I don't think it matters all that much if an axis is rotary or linear. > > There isn't anything to stop you setting the U axis scale such that it > > rotates an effector in degrees. > > > > Teach programming isn't super well-explored, I don't think. But there > > is a sample script: > > https://github.com/LinuxCNC/linuxcnc/blob/master/src/emc/usr_intf/axis/scripts/teach-in.py > > With a minimal manual page: > > https://linuxcnc.org/docs/2.8/html/man/man1/teach-in.1.html > > As it stands the script only records X, Y, Z. But as it's Python > > expanding to more would be trivial. It would also be relatively easy > > to have it output actual G-code programs rather than a position list. > > > > -- > > atp > > "A motorcycle is a bicycle with a pandemonium attachment and is > > designed for the especial use of mechanical geniuses, daredevils and > > lunatics." > > ? George Fitch, Atlanta Constitution Newspaper, 1912 > > > > > > _______________________________________________ > > 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 > > > > _______________________________________________ > 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
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