Machsupport Forum
Mach Discussion => General Mach Discussion => Topic started by: nissan20det on March 07, 2017, 11:49:12 PM
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Hey guys take a look at this video. this machines been up and going for years. I can jog all day long without a problem. I just noticed today after trying to cut a programmed piece that my X axis jumps when crossing a specific spot. I doubt is in the ball screw cause i can jog past it fine its only on a coded move. I tried lowering my motor velocity even though i run super conservative and have twice the size motors as anyone with this mill, that didn't help. I have my shuttle at .004 IS is that okay? it's worked for two years now??
https://youtu.be/C3zLL86YSX4 (https://youtu.be/C3zLL86YSX4)
Any thoughts? Thanks Zach
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Interesting.
The obvious question I suppose is - does it still do this with the Shuttle (and any other USB devices) disconnected ?
Tweakie.
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I dont have a pendent or any usb devices. I jog with my key board. my mouse and keyboard are usb.....
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I also really need this piece cut today. but I now know it is for sure only x that need a move command.tried .08-.01-.004-.001 shuttle accel. no different. changed all sorts of motor parameters still nothing. all wires are pristine, no bends or breaks. can not get it to do this wile jogging for the life of me.. Right now Im ganna try to swap the driver with Y and see if Y does it.......Please help Im screwed here
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Alright super weird. I swapped the power/Motor Plug and Breakout plug with Y axis Driver. I then Move Y with MIDI and it jumped!!!! So Okay Its a driver.. NO!!! WTF I take that driver out, put a smaller driver used for A on Z, and took Z's driver and put it on X. button it all up ready to have a super late night cutting my piece, Zero it all in. Do a test move and F**King X jiumps again!!!! When doing this I am using my Z's output on breakout board as X( Just swapped in ports and pins). So that means its not a driver. its not a bad output on breakout. Its not wiring. Its not machine.... Dude this has to me some software issue??????
AHHHHHHHHHHHH!!!!!!!! LOL
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https://www.youtube.com/watch?v=ZhtkO7j0j_Y (https://www.youtube.com/watch?v=ZhtkO7j0j_Y)
updated video found new issue will O scope pc and breakout outputs tomorrow..
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From your earlier posts I assume you are still using the RnR USB motion controller. From another member’s tests it has been shown that the Direction signal from this board is not persistent but is resent following a break in the Step signal train. Your stepper glitch is indicating such a break in the data stream and that could explain it running backwards slightly then correcting itself.
This is not a Mach3 problem per say but your PC could be interrupting the data stream by carrying out other tasks as may be associated with power saving features (allowing USB devices to power down, screensaver, hard drive power down, etc., etc.). It could also be associated with electrical noise spikes etc. Fitting clip-on ferrites at each end of the USB cable between the PC and the RnR may help.
What bugs me is that this glitch is happening in more or less the same place and that I just can’t explain or understand but I will keep digging.
Tweakie.
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Hey thanks for the response,
I am currently not using that RnR motion controller. When I first tried to use that controller any kind of manual movement was very laggy. So I got a standard breakout board from stepper online. It's a standard db25 serial Breakout. but I am almost to the shop I will take some scope pics when I get there
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Okay I cant really get a clear view of whats happening on my scope. I can see the pulse but not a drastic change.
Im Sure its some software setting or error now....... I can open Mach 3 home all Axis' then move X manually. It sounds fine. If i input a command is sounds funky and clunks, If I go to Ports and Pins Swap X and Y So Mach thinks its moving X but really now is moving Y. Y then makes the funny sound. So that right there shows its gatta be the software. By changing the port it is using a different pin on the DB25 connector/ different input on breakout/ different stepper driver and different motor but some how does the same thing??? So that means for some reason mach 3 is outputting a funky signal only for what it thinks Is X.
That means im now lost.....
I posted my settings maybe its something weird i have in there
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I at least know whats happening......Okay the Pulse does not change at all.. that's why i couldn't see it on my scope. Its the carrier frequency that's changing on X. If i type a G01 command so its slower i can see the frequency changes. you can see in the two pictures one has evenly spaced pulses. the other has a gap this gap changes all the time. its like the carrier freq for X isn't stable. the freq counter on O scope also wiggs out and cant find a stable frequency... its also its not the computer since it'll change to what ever pin is set as X.
So what could be causing that??? 2nd pic is on page 2
I tried a fresh download, didn't help..
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Pic 2
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Okay erased the R3.043.066 version and installed an old VR2.63 i had and it seems to be working. I'll try and cut my piece and see. Fingers crossed!!!
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Hi,
when I first started with Mach3, before I had Home switches I used to set 0,0 at roughly the centre of the table.
I noted that whenever Mach crossed the positive to negative boundary it would hiccup ever so slightly, not enough to
lose steps, more of an audio thing. While I never proved it I was of the opinion that as the machine co-ords passed thru
zero the PC had to do extra work to avoid a divide-by-zero type numeric fault.
In more recent time my machine homes to an extreme corner and so my machine never passes though machine co-ord
of zero...unless I'm on my way to a crash!. The little audio hiccup disappeared and has never come back.
Craig
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Hello Zach, it looks like you ended up with a cracked/pirated license file and version of Mach3. The pirated license file MaoA˜A ¯Ðtonar and the cracked version that you are using will cause you all sorts of issues and is not supported. Please do not judge the poor performance that these cracked/pirated vesions provide as a representation of the legit software. Best regards Jim.
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Ya no where good, I download an older version I had, R2.64 and walla no more issues. Maybe somthing with that license on the never version? Donno but yea they screwed me at stepper online. They said I was getting a real license. I emailed them the other day I'm just waiting to hear back. But it was for sure the programs carrier freq changing when controlling X. And for G53 I only work in +X&Y & -Z. It makes scripting all that much easier. But also what do you mean cracked version? I installed from the mach website
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Many of these cracked license files will cause erratic behavior when they are loaded into the legit versions. For example if the .xml files come from a cracked version it will cause issues as well. Did that version of R2.64 come from our FTP server or on a writable CD? There are many unethical people that pass these pirated license files off to unsuspecting users who end up in our support help desk with these issues all the time.
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Yeah okay that'll make sense. Well looks like I need to save some money up then. I'm sick of these problems I'm going to get a real license ASAP. Okay so this doesn't happen again and I don't screw myself the second time how do I ensure I'm getting a real license do I get to pick the name that's on the top?
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Yes you can input what ever you want for a Licensed too name along the header when you purchase the license file. We have over 260+ distributors from all over the world. You can verify if they are legitimate distributor by making sure that they are listed on our partners page on the machsupport.com website. When you purchase directly from the website you create an account that allows you to resend your license file in case you crash a PC on the weekend you are not waiting for us at Machsupport. If you purchase through a distributor, license replacements come through them. Plus you will find users are more inclined to help when they know your running a legit license and version.
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Ya Tweakie notified me the first time I had a pirated license from eBay. But that's was due to using a newer version and not know how to movie the .lic file around. But now to find out the Stepper online version was also pirated. ugh..will see im still waiting to hear back, maybe I got the wrong disk. well that explains all the damn problems I was having with making scrips and having random moves being added without actually writing them.. So that's definitely the next purchase on the list... Thanks for all help guys I know its very frowned upon for guys like me seeking help. It just sucks that these versions even exist, it really throws the people off that are trying to do things honestly.
Thanks Agiain
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Hi Zach,
When you are ready to purchase a genuine Mach3 license I recommend you buy direct from Artsoft http://www.machsupport.com/shop/mach3/
(recently, one of the authorized distributors has been identified as peddling fake licenses).
Tweakie.
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Cool! will do!
Ya i'm to scared of getting another fake, I will definitely go through Artsoft Directly
Thanks again guys!