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)" <[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)" <[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
