So now that I finally got the machine to move, I tested it out. The first thing I noticed is the z axis almost gets hung up and the motor starts to skip. I pull it off and grip the pineapple coupler in my hand and it doesn’t take much force for this to happen. So then I grab one of the gt2 pulleys on the y axis in front of me and tell the machine to move, same deal.
My motors data sheet says their rated current is 2.0 and their rated voltage is 2.8 and they have a holding torque of .59.
My drv8825 voltages are as follows .75 for x and y and .45 for z.
I tried this same test on my 3d printers and the outcome was very different.
I do have another thread… On a different subject which was resolved. I didn’t think it was right to put this subject matter in a thread about the arduino. I’m sorry if it caused confusion.
Motors are cold.
The motors I own are the ones you have in your parts list. Bought from amazon. The data sheet is garbage at best lol. Stepperonline 84oz. 2a nema 17’s.
besides running the z driver too low, feeling with your hand and cutting are two different sets of forces. If you want to feel the strength don’t grab the shaft grab the part that is moving. it should feel significantly different. The z axis has such a high mechanical advantage if you crash into the bed with the tubes you will rip the machine apart, or at least break something.