I just don’t know what to do. Something here seems to be beyond my scope of knowledge, or I’m simply missing something. I’m pretty sure at this point, I’m beating a dead horse on this subject, but I really do need help…
I’ve had my kossel pro for some time now. I’m STILL having problems with making sure the print head is level across the entire print surface. I can’t get that - It’s becoming quite frustrating.
I’m using the delta-calibration setting which will adjust the distances to my endstops on all 3 towers, this works fine. All this is done running the G32 command. Once I re-hom my printer (G28) I move 5mm above the bed and work dow to the witdth of paper. Re-home again, test the height again, followed finally by M500. This is the standard instruction set on the delta portion of the smoothieware website…
I’ve also adjusted my delta-tower-offset (M666) by hand the same way the video describes. I’ve played with this for close to an hour witl nominal (at best) results.
The problem is my bed isn’t level. G32 adjusts heights at the towers, but no where else. The bed between my X and Z Towers seem to be the high-point, but a standard ‘delta-calibration’ just doesn’t catch that difference. I honestly need something like a ZGrid-leveling strategy, but it just doesn’t work on the deltas. :’(
Is there something I’m missing? I would hate to move back to a Brainwave/Marlin solution just so I can print without having bed leveling issues. If someone could offer any insight that I’m missing, I would be very greatful. Or if there’s any chance that we can somehow get the ZGrid to work properly on deltas? It’s so close…
Thanks again, and I aplogize about this in advance, but I’m at my wits end…
Well if your bed isn’t level, you are correct that delta calibration won’t be able to help with that. My first advice would be to fix that first of all, very flat pieces of glass are not that hard to find I believe.
If you can’t change your bed, you would indeed need something like z-grid, and that is indeed not supported for deltas yet.
I’ve struggled with this too. And, since smoothieware doesn’t have all the delta parameter adjustments like marlin or repetier you must focus on checking mechanical aspects of your delta. This will make a positive difference. I’d be happy to provide guidance. Drop me a line.
I had I think the same thing and found an extra command needed to be added to the confiig file. I found this after extensive google searches. I will need to go to my workshop and cut and paste it from my config. The extra command seems to enable the rest of the process. My next problem is to find the correct syntax for adjusting the tower positions and then I think I am all go.
I will get back to you with the command.
I have been using Matter Control and it allows for a Z-Grid Leveling with in the g code. It might not be the best solution for the long term but will hold you over till the function is added into firmware. It seems to work for my delta.
Here is the line I found on another copy of the config file, it was missing in the one I had. I inserted it under the section relating to the “z probe enable”
hope it helps.
two things.
First adjusting the towers. Trying to alter them with commands did not work, a slight adjustment seemed to be working and then a little more and the wheels fell off. So have made up six long (1.25 meter) turnbuckles with left and right hand rod ends and will bolt them onto the three sides diagonally and then loosen the bolts on the frame and adjust the turn buckles to get the sides equal and parallel and then tighten the bolts up.
Second. G32
My steppers seem to be intermittently loosing their way when traversing from tower to tower. I have the travel speed quite low.
any suggestions?