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Messages - stiffelt

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General Mach Discussion / Re: Losing y position inconsistently
« on: December 07, 2010, 06:37:50 PM »
I managed a few good days with no problems.  At the end of the toolpath run the machine just moved to the odd position and it did show on the screen.  I don't believe it showed up in the toolpath.  I am pretty new to this and am not sure about saving an xml.  I will try and pay more attention to it and try to root cause it more.  At this point it looks like the problem is at the end of the run and not the beginning.  I will send files the next time it happens.  I appreciate the help.  I have been slow to respond because I have been really busy at work and haven't been able to play with my machine much.

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General Mach Discussion / Re: Losing y position inconsistently
« on: December 01, 2010, 08:47:13 PM »
I caught it before wrecking another part.  After running the finish path correctly the machine decided to move to a random spot and loose both x and y  positions.  This isn't due to overtravel.  x was off by 6.5" and y was 10".  If I didn't notice this before a tool change it would have been bad.  This seems to be a totally random occurance.

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General Mach Discussion / Re: Losing y position inconsistently
« on: November 03, 2010, 06:49:21 PM »
I have had issues after verifying x and y zero prior to starting the run.  I actually mark an offset zeropoint on the machine so I can reset zero between runs and still have issues.  I have also run a pattern with the z high and not cutting multiple times and had it go off after the 3rd or 4th time.

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General Mach Discussion / Re: Losing y position inconsistently
« on: November 03, 2010, 05:53:50 PM »
I haven't noticed that it looked odd but I will have to pay closer attention. 

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General Mach Discussion / Losing y position inconsistently
« on: November 03, 2010, 04:05:42 PM »
Every now and then at the start of a toolpath the machine will move to the center and then go and cut a shifted distance off in the y position.  It's not a machine problem and I start the machine very slowly because I thougt the initial movement may have made it skip a step.  The machine can move fast during long cuts with no problem it is just when starting a new cut.  I can run the same path several times with no problems then I get it again.  This is very frustrating and makes a lot of scrap.    Last night I ran a cut for 1 1/2hrs then started a profile path that started off and ruined it.  The computer running the machine is dedicated and has no internet or screen saver just Mach 3.  Any ideas would be greatly appreciated.

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General Mach Discussion / Re: New and confused
« on: May 17, 2010, 05:38:52 PM »
Ok I am sure something will happen again.  When I close Mach down it want's to know if I want to save the fixture.  Does it matter how I respond to that?  Thanks again for the help.  Do you have any idea what would make it take the dive to begin with?

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General Mach Discussion / Re: New and confused
« on: May 17, 2010, 05:29:48 PM »
I've been using the same xml file all along but have re-loaded it for lack of any better ideas. 

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General Mach Discussion / Re: New and confused
« on: May 17, 2010, 04:38:18 PM »
Thanks for the help, I wasn't able to work on the machine yesterday.  Here are the files.  The xml is from the machine builder and is configured for the machine.  After multiple attempts at reloading it the machine seems to know where it is again.  I would still like to learn the cause of the crash and how to recover.  When doing the finish pass it started at the bottom missing the bottom wing tips.  When it reached about mid way it went back to clean up the wings.  The crash occured when it went back to the middle to continue.  It just kept going down.

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General Mach Discussion / Re: New and confused
« on: May 15, 2010, 07:23:00 PM »
I have a Romaxx with steppers.  I am assuming that when the machine took the plunge it skipped steps but I don't know how to recover from that and why it dove in the first place.   When I try to start over I re-zero all axis and have reloaded programs that have been fine before but there seems to be a disconnect between actual zero and where the machine want's to go.

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General Mach Discussion / New and confused
« on: May 15, 2010, 05:24:06 PM »
I got my new machine and it's been running fine until I tried my firsrt more complex sign.  Part way through the finsih path it took a nose dive.  Now whatever I do to reset it, it doesn't work.  I zero out and reload but it want's to cut elsewhere.  My computer is clean and only runs Mach3.  The sign I was running was built in aspire and the program was fine.  Is there a way to recover from a crash to get the zero points to align and is there a way to avoid the instant dive?  I did have this loose zero problem once before and corrected it through random button pushing but would kind of like to know what I am doing.  Thanks.

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