Notice that he is stalling on rapids so his max velocity is too high: but the procedure below should tell him where to set it. :-)
Dave On May 27, 2008, at 3:05 PM, Alex Joni wrote: > Aaron, > > another way to try this: > start with the old config (speed at 10 mm/second). > Do a series of tests with increasing F-words (G1 X100 F100, G1X0 F150, > etc..) > Notice when it starts to fall apart, and let us know the speed. > The ini should hold about 80% of the value divided by 60. > > Regards, > Alex > > ----- Original Message ----- > From: "aaron Moore" <[EMAIL PROTECTED]> > To: "Enhanced Machine Controller (EMC)" <emc- > [EMAIL PROTECTED]> > Sent: Tuesday, May 27, 2008 11:00 PM > Subject: Re: [Emc-users] ini.fiiles > > >> Rayh >> >> I just set the velocity to 4 and acceleration to 4. Feed moves >> are okay, >> but the motors just freeze on rapid moves, and I'm tearing my hair >> out, >> and >> the wife is about to divorce me. >> >> Thanks >> Aaron >> >> >> >> >>> ----- Original Message ----- >>> From: "Ray Henry" <[EMAIL PROTECTED]> >>> To: "Enhanced Machine Controller (EMC)" <emc- >>> [EMAIL PROTECTED]> >>> Subject: Re: [Emc-users] ini.fiiles >>> Date: Tue, 27 May 2008 09:58:16 -0500 >>> >>> >>> >>> Hi Aaron >>> >>> As I see it the problem is that your config runs the rapids much >>> to fast >>> for the ability of your hardware. >>> >>> MAX_VELOCITY = 10.0 >>> >>> Means 10mm per second or 600 mm per minute. If you lower that to >>> >>> MAX_VELOCITY = 4.0 >>> >>> your rapids will run about 240 mm a minute. Since that is not much >>> faster than your feedrate you should be okay. But I would not be >>> afraid >>> to play with the numbers until you discover a combination that >>> moves the >>> machine about 80% of the speed at which you begin loosing steps. >>> >>> HTH >>> >>> Rayh >>> >>> >>> >>> >>> >>> >>> >>> On Tue, 2008-05-27 at 14:27 +0000, aaron Moore wrote: >>>> Between 100mm and 200mm a minute >>>> Aaron >>>>> ----- Original Message ----- >>>>> From: "Kenneth Lerman" <[EMAIL PROTECTED]> >>>>> To: "Enhanced Machine Controller (EMC)" >> <[email protected]> >>>>> Subject: Re: [Emc-users] ini.fiiles >>>>> Date: Tue, 27 May 2008 08:52:04 -0400 >>>>>>> Alex, as usual, identified a key question. >>>>>> Just to expand a little, it is important because rapids (G0) use >> the >>>>> maximum velocity; but cutting (G1, G2, G3) use the last specified >> Fword >>>>> as the velocity. Generally, that will be much slower than the >> maximum. >>>>>> So, to repeat Alex's question, what feed rate are you using? >>>>>> Ken >>>>>>>> Alex Joni wrote: >>>>>> What feedrate do you use for cutting? >>>>>> >>>>>> Regards, >>>>>> Alex >>>>>> >>>>>> ----- Original Message ----- From: "aaron Moore" >>>> <[EMAIL PROTECTED]> >>>>>> To: "EMC userslist" <[email protected]> >>>>>> Sent: Tuesday, May 27, 2008 10:24 AM >>>>>> Subject: [Emc-users] ini.fiiles >>>>>> >>>>>> >>>>>>> Hi >>>>>>> Could someone have a look at my ini. files to see if I am >>>> missing something. >>>>>>> >>>>>>> Still have the same problem with my stepper router system. >>>>>>> Cutting moves seem to go okay, but rapid moves screw the >>>> plot up >>>>>>> completely even when max vel and max acc are the same as >>>> cutting > >> speed. I am going to rewire drivers and powersupply >>>> with > >> shielded >>>>>>> cable and fix them to an aluminium backing board, but in the >>>>>>> mean time do these files look okay? >>>>>>> >>>>>>> Also steppconfig wizard still will not test my axis although >>>> it > >> will change config files. >>>>>>> >>>>>>> >>>> >> http://www.quickfilepost.com/download.do? >> get=647fa4e602ea153fa1399379c64108ba >>>>>>> >>>> >> http://www.quickfilepost.com/download.do? >> get=d576ac74852a64a2873d1f43bdd26279 >>>>>>> >>>>>>> Thanks to all >>>>>>> >>>>>>> Aaron >>>>>>> >>>>>> >>>>>> >>>>> >>> -------------------------------------------------------------------- >>> ----- >>>>>> This SF.net email is sponsored by: Microsoft >>>>>> Defy all challenges. Microsoft(R) Visual Studio 2008. >>>>>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >>>>>> _______________________________________________ >>>>>> Emc-users mailing list >>>>>> [email protected] >>>>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>>>> -- >>>>> Kenneth Lerman >>>>> Mark Kenny Products Company, LLC >>>>> 55 Main Street >>>>> Newtown, CT 06470 >>>>> 888-ISO-SEVO >>>>> 203-426-7166 >>>>> >>> -------------------------------------------------------------------- >>> ----- >>>>> This SF.net email is sponsored by: Microsoft >>>>> Defy all challenges. Microsoft(R) Visual Studio 2008. >>>>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >>>>> _______________________________________________ >>>>> Emc-users mailing list >>>>> [email protected] >>>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>> >>>>> >>>> >>>> >>> >>> >>> -------------------------------------------------------------------- >>> ----- >>> This SF.net email is sponsored by: Microsoft >>> Defy all challenges. Microsoft(R) Visual Studio 2008. >>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >>> _______________________________________________ >>> Emc-users mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/emc-users >> >>> >> >> >> -- >> Powered by Outblaze >> >> --------------------------------------------------------------------- >> ---- >> This SF.net email is sponsored by: Microsoft >> Defy all challenges. Microsoft(R) Visual Studio 2008. >> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > ---------------------------------------------------------------------- > --- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. 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