Machsupport Forum
Mach Discussion => Mach3 under Vista => Topic started by: Wrechin2 on April 25, 2015, 03:11:27 PM
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I have a Hp laptop running windows 7 32bit, a usb DDSM6V5.0 6 axis controller and long stepper motors/drivers. I got everything tuned and working good. My issue is I am running 4 axis cutting ports out of 2 stroke cylinder sleeves. The g-codes run perfect as long as backlash is turned off. When I turn on backlash it goes VERY erratic and destroys the part as all 4 axis will start moving. Is this a issue with settings??? Thanks to all that reply
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Sounds like a problem with your controller. Mach 3 handles backlash fairly well if you do not have a large amount . With large amounts nothing works good.
(;-) TP
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Will the controller affect the dro? When this happens you can see it on the mach3 screen as all axis start moving amost as if they all we slaved together.
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Mach can only display what the controller tells it to display.
(;-) TP
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Ok that makes sense. Thanks!
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So if I use a break out board will the pc then be the controller? Then the probe and backlash will not be an issue as i have read my controller does not work well with "probe-it" either. so I can just get a bob to correct both issues . Sorry newbie....
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Did you puchase a separate Mach3 license?
OR
Are you using the one supplied on CD that came with the USB device?
RICH
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I have both. I purchased one off ebay through automationtechsinc. But I do have the version of mach3 and license that came with the controller loaded onto both computers I tried.
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Your USB device is a one that I am not aware of.
Frankly, no one is going to provide you a LEGIT Mach3 license and controller board for $139.00.
Next, problems you have with that board should be addressed by the vendor. The board is taking care of
some of the functions that Mach3 would normaly do. Unless someone on this site has specific knowledge about that board you are not going to get much help here.
Your backlash problem is a good example. It is not as easy as the Chinese may think.
Just trying to save you some time and avoid having other site users try to problem solve a matter that is not
MACH3 related.
RICH
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It also does not like to do probing! It will do the manual commands like G31 X.5 F1 all day long without issues but if you try to use a probing screenset it goes crazy. If I get a BOB and use it with a parallel port will that take care of my issues? Thank you for your all help.
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Mach3 is a CNC software program that works with Windows and provides for controlling all movements and associated
commands to the axes via a parallel port (pp) to motor drives. The drives provide for actual movement of the motors.
Now if one doesn't have a pp, then an external controller must be used and there are number of them avialable that provide a plug-in to software so the drives behave correctly. Not all external controllers are alike, in that, some features are not available. The plug-in is written by the manufacturer.
Now a lap top is not recommeded, but, if used, and many use them with an external device to provide the pulsing to the motors. So the external device must comunicate with Mach correctly.
So you bought an external device and it doesn't work correctly for all you want to do.
Make sure you have read the instructions, have it properly connected, Mach configured correctly.
Ask the VENDOR for how to make it work for what you want to do, what it can or can't do, etc.
I know nothing about the USB device you bought.
Sorry, I can't help........
RICH
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Rich,
Thank you for your help. I am wanting to utilize the backlash feature and probe of mach3. What I was asking is if I go to a BOB if the PC then becomes the controller and overcomes the issues. I am wanting to go away from the USB controller and let the PC be the controller. IF I understand the functions correctly. Will this one do what I need it to do?
http://www.automationtechnologiesinc.com/products-page/breakout-boards/kl-db25-breakout-board
James
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That BoB looks ok. Note however that it has a db25 interface so you almost certainly can't drive it from your laptop, but will need a desktop which has the normal old style parallel port. Yes, probing and backlash compensation should work fine then.
Sent from my iPad using Tapatalk
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Wrechin2,
What make drives or whose controller box are you using?
RICH
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IF your laptop has a PCMCIA slot then you may be able to find an older LPT /PCMCIA card that will work to give you an LPT port.
Just a thought, (;-) TP
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Sorry for the delay. I have up and running a desktop with XP. The board that I got with the kit I never could get to operate and has no support. That is why I am wanting to upgrade to one I can get support on. This was built on a budget and other than the probe and backlash it works perfect. I can't complain about the money. Here is what I have. Thanks again for all your help.
http://www.ebay.com/itm/321267025629?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AITe
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Hi .
I saw this controller to , on e-bay : DDSM6V5.0 6 axis . Does anybody using this controller successfully ? ( i don't have backlash problems so ... except this issue with backlash , does this USB BOB working well ? )
I'm looking for 6 axis (no slave) controller . One option could be this DDSM6V5 50khz usb controller ,or, i should go for two ports and two 5 axis BOB s ?
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Mine went down after a very short time. Was more hassle than was worth to send back to china! I switched over to a BOB on the LPT port and now the thing works great. The other issues with this controller is it would act crazy when probing also. I would not recommend that controller. Just my .02