I was gifted an assembled Lead 1010 belt driven router. I'm a total newby and stumbling through figuring this out. The previous owner told me that when he tried to carve circles, they came out more egg or oval shaped. I think I see why now that I've observed the X axis only moving sometime, even though it sounds like the motor is trying. While jogging X– or X+, it might move a few times, then stop. (as seen in the video below) Same while running a job. Things might seem to be going ok, but then I'll notice the carved shapes looking weird. While a job is running from OpenBuilds Control, I'll see the X coordinates changing, but the spindle sitting still...then it might move a little. I'd like to know if there are settings or adjustments that need to be made or should I just buy a new motor? If I do get a new motor, do I need to replace the Y and Z motors too? They seem to be working fine. Please let me know if you need any other information besides what's below. Here is the info on the OpenBuilds motor: MT – 2303HS280AW – OB 1.8º / STEP 161026 Here is a video of X– 10mm jogging. It goes a few times, then stops and tries. Here are my GRBL settings: $0=10 ; Step pulse time, microseconds $1=255 ; Step idle delay, milliseconds $2=0 ; Step pulse invert, mask $3=3 ; Step direction invert, mask $4=0 ; Invert step enable pin, boolean $5=0 ; Invert limit pins, boolean/mask $6=0 ; Invert probe pin, boolean $10=1 ; Status report options, mask $11=0.010 ; Junction deviation, millimeters $12=0.002 ; Arc tolerance, millimeters $13=0 ; Report in inches, boolean $20=0 ; Soft limits enable, boolean $21=0 ; Hard limits enable, boolean $22=0 ; Homing cycle enable, boolean (Grbl) / mask (GrblHAL) $23=3 ; Homing direction invert, mask $24=100.000 ; Homing locate feed rate, mm/min $25=1000.000 ; Homing search seek rate, mm/min $26=250 ; Homing switch debounce delay, milliseconds $27=5.000 ; Homing switch pull-off distance, millimeters $30=32000 ; Maximum spindle speed, RPM $31=16000 ; Minimum spindle speed, RPM $32=0 ; Laser-mode enable, boolean $100=26.667 ; X-axis steps per millimeter $101=26.667 ; Y-axis steps per millimeter $102=200.000 ; Z-axis steps per millimeter $110=2500.000 ; X-axis maximum rate, mm/min $111=2500.000 ; Y-axis maximum rate, mm/min $112=2500.000 ; Z-axis maximum rate, mm/min $120=150.000 ; X-axis acceleration, mm/sec^2 $121=150.000 ; Y-axis acceleration, mm/sec^2 $122=150.000 ; Z-axis acceleration, mm/sec^2 $130=810.000 ; X-axis maximum travel, millimeters $131=730.000 ; Y-axis maximum travel, millimeters $132=90.000 ; Z-axis maximum travel, millimeters $I=leadmachine1010
Looks like loose setscrews on the pulley - causing pulley to slip on motor shaft Not a LEAD1010 though - LEAD machines have Leadscrews
That is actually an OpenBuilds Ox. An oldie but a goodie. You probably have either a loose wire on the stepper motor(s) if it only moves sometimes. Or loose couplers/pulleys. You will also have to calibrate the steps/mm for the machine if it still cuts ovals once that is sorted out. It looks like it was never done, because those numbers look like default settings. If you use OpenBuilds Control, there is a wizard to help calculate the steps/mm. Or here are some other resources: OpenBuilds Software: OpenBuilds CONTROL and OpenBuilds CAM - FREE software to run your CNC, Laser, Plasma or Pen Plotter Grbl v1.1 Configuration This whole wiki is a must read for people with grbl based machines. RepRap Calculator - Original Prusa 3D Printers go down to the belt section and enter your numbers.
You guys are awesome!! It was the setscrew on the pulley. I would have never thought of that. THANK YOU!! It's also nice to know what model it is. I was using LEAD 1010 because it seemed the closest to what I have. In OpenBuilds Control, there is a calculator for the steps per millimeter settings which has dropdown menu for LEAD screw or belt drive. Once I selected the belt drive a few days ago, a bunch of other problems I was having went away. I ran a test carving out some shapes. The circle carved true, not egg or oval shaped and all the shapes were as far away from the edge of the material as I drew them in Illustrator. So even if these are mostly the default settings for the LEAD 1010 instead of the OX, it seems to be moving as expected. I'll dive into the resources Giarc provided and learn some more. Thank you both for the quick help. Happy Holidays!!!
