Try running it at 80% feed override and see if it works okay. Rayh
On Tue, 2008-05-27 at 20:00 +0000, aaron Moore wrote: > 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 > > > > > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. 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