3/18/2024 0 Comments Laserdrw 3 cut outlineI am hoping that I made some sort of inadvertent change that would cause the stepper motors to run so poorly. I have compared to other files and the items I would think that relate to the steppers seem to be within standards amongst the community. This was a file I got from the link in the smoothieboard website for laser machines, and made a couple tweaks to get the aftermarket screen working. I have also attached the config file that I am using for reference. It actually blistered my finger (I know, stupid move but everyone touches the stove at some point). I have not been able to find much about what would cause this, and I wish I had a temp probe to give you an idea of how hot the x axis motor gets. ( I get a homing failure regularly) I have a video of the operation at 1.0 but not sure how to post it for reference. If I set my current to 1.0, the motors make all sorts of odd noises, run very odd, the “bucking” sound I hear at idle is almost continual as well as missing steps accompanied by extreme heat. I also notice a “bucking” sound occasionally when idle. The y axis motor gets extremely warm but at a much slower rate and the z axis I added gets warm after a period of time as well. 7,the motors seem to keep step ok, but within 30 seconds, the x axis motor is so hot I cannot touch it, running or sitting idle. I find this very troubling as all of the documentation I read states that a value of 1.0 should be good and used almost as a standard. It definitely results in horrible control of the laser with missing massive steps. I currently have the stepper motor current values very low due to EXTEREME heat in the steppers if I increase them anywhere past about. I have upgraded to a smoothieboard as we discussed last year. I am at a loss as to what I may have incorrect with my overall system and looking for advice. I have tried a number of different speeds and settings, but cannot seem to get this to change. If you notice, the etching is also very rough on the outline, as well as incomplete left to right. Attached is a photo of what the lines look like, as well as the etching I am going to be inquiring about next. The x axis “wobble” or “jitter” is much more pronounced than the y axis, but at 100mms or higher its extremely noticeable. With that being said, I have some operational issues now and hoping the forum can assist in solving the mystery.įirst item - the laser will not cut or etch a straight line, either x or y axis. I now have a completely independent CPU running the software and have been able to use the laser overall. It seems that due to it being a company laptop, there was some type of external USB device block script that was killing the connection when I attempted to operate the laser. I finally rectified my connection problem, (from the NOV 19th post about laser stops working after trying to move it) which turned out to be my initial laptop I was attempting to use. I am finally back at working with my modded K40 laser after a brief hiatus… First off… Happy New Year! I thought I should update on my progress, and with that ask more questions with new issues that I am struggling with as well.
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