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The formulas are: (use millimeters!) (1a- belts) step/mm = stepsperrev / beltpitch / pulleyteeth (1b-screws) steps/mm = stepsperrev / screwpitch...
thanks, but that is a very long commute from South Africa (-: my sister is in Fort Worth though, but she won't have a clue what you are talking...
Hi Burt Your fundamental problem is that you have your axes reversed. All Gcode is generated according to a convention that if bottom left is 0,0,...
from the GRBL-panel wiki so you do want to do a $13=1 to tell GRBL to default to inches. GRBL-panel will then display inches. Even so, Gcode...
one 'can' use non-end cutting or partial end cutting tools BUT you MUST use *ramping* and ensure that there are no plunge moves in the Gcode. In...
I have used my Ryobi woodworking router quite a bit on aluminum, with standard 2 flute carbide wood cutters. It works just fine, and better if...
check step pulse length, and step rate, and microstepping setting on the drivers.
laser control is in progress and will be released soon in SketchUcam :ROFL:
ah, so the motors are full stepping! this is the worst possible setting for resonance. change to 2x (half stepping) or 4x for much better low...
Hi I would drive the gantry arm with some sort of worm drive at the largest diameter possible. Are you planning to make the arm out of steel?...
have you seen this? [MEDIA]
must put this on my Mega! it is currently running 0.9 with my custom pin assigments
I am working on generating laser code from SketchUcam. at the moment just replacing Z moves with M3/M5 and also setting the S word for PWM power...
I don't think the Pi is a good platform for LinuxCNC, it is too slow. (I have 2 Pi's) An RPi as a front end to GRBL on Arduino is pretty good...
set XY 0,0 at the near left corner, then Gcode like this below will move it to near the ends of the table (assuming a s standard 12x12" C-beam)...
you must watch the construction videos (-: gaps in the center bar are fine, you just let the angle brackets take up the gap.
is the frame square? this means that the diagonals, corner to corner must be equal.
yes, you need more voltage to maximize speed. do use a little less than the max voltage the drivers are rated for. I note that you said you...
make your own? [MEDIA]
why not just adjust the speeds until it loses steps, then back off 10%? same with acceleration. and, depending on your drivers, maybe you can...