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quite so, rather a 'convention' as per Sonny GRBL Controller Issues because homing a moving table mill at the positive ends means the table is...
GRBL home is at positive X and positive Y ends (top right), and Z 'up'. this is the industry standard, so that all of the work are is negative....
I added an option to SketchUcam for exactly this, to move the tool away from part 0,0 so you can retrieve the parts.
you need to make sure that when you command the X and Y to go a certain distance, that they actually go exactly that distance. so if you do G91...
To my mind, the outriggers will never be as stiff as having 2 Y C-beams instead, with 2 Y motors. With a table that wide I feel it will twist...
a rule of thumb with electronics is never use use them at their maximum, they last longer that way (-: so, driver max is 36v, use about 80% of...
0.5mm is close to 0.020" or 20 thou for exact conversion 1" = 25.4mm
You asked about using a 12v power supply. Don't Use 24v, at least. Set the drivers for 2 amps, fit the heatsinks, blow on them with a fan....
oddly, I tried to get some gcode out of inkscape and totally failed, watched videos, read help, etc etc, just no joy at all.
is 15000 your real spindle speed? step size will not make any difference, IMHO, unless your current steps are larger than your intended 'cut...
Sketchup 8 runs just fine under WINE (on my Ubuntu box), you may need to tweak the OpenGL settings though. Could not get Sketchup 2015 working,...
Yes, all new versions of Sketchup will load all old versions of the files. the recent Sketchup has many nifty new tools (compared to sk7), have fun!
You mentioned the heat generated in the wire by friction with the tube. what if one glued/pressed a glass bead into each end of the guide tube?...
um, it is supposed to be: M03 is 'spindle on clockwise' M04 is 'spindle on anticlockwise' M05 is 'spindle off' ignoring S words is a function of...
no, SketchUcam will not do raster images as there are already a lot of programs that do it quite well. SketchUcam WILL do the more prosaic...
not surprised you had 'some issues', the version of SketchUcam that is currently released does not support laser control (-: but the next version...
I am saying that before you can sort out where home is, you need to make sure that the machine is moving in the correct direction according to the...
'Many' - in the form of plugins Extension Warehouse | SketchUp Extension Warehouse some are better than others, so try a few and see what you like.
the big problem with this is that the smaller your zone the less pressure and friction you have. you want as much area as possible being sucked...
easiest is to use one of the GUI programs and just click the '0' button for each axis as needed. Using Grbl · grbl/grbl Wiki · GitHub or use...