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there is also a Resource for this, which explains all the math HOWTO Calibrate your CNC Machine for MACH3 or GRBL
if you run OBControl with the old controller connected and do a settings backup, disconnect that, connect the BB, and restore the backup, should...
are both posts cutting in the same direction? this can affect outline sizes. maybe the new post is obeying a 'radial stock to leave' setting...
did you select 'LASER: Use Z motions at start and end.' in the post options? This applies to PLASMA as well. in your gcode: (Made in : Autodesk...
i don't see a problem in that small fuzzy image (-: so long as you select everything and then scale it all together it should be fine, otherwise...
do you mean you are importing a DXF into Openbuilds CAM? if so the scale function should fix it 16" = 406.4mm so you need to scale up by 25.4 to...
this resource HOWTO Calibrate your CNC Machine for MACH3 or GRBL will teach you how to do the calibration manually. Using those methods, you can...
Yes, I quite agree, it should be doing a G53 Z *safetymove* before moving to the current WCS X0 Y0. You can create a little gcode file for...
Being short on table space myself I do like this idea for a laser marker/cutter. I think putting a sheet of aluminum foil under the foam will...
just to confuse you, here are some more things to watch and learn from (-: https://www.youtube.com/results?search_query=clough42+laser
note that if you cut about 1/4 of the way through an MDF sheet the resulting surface is like a sponge and will not need holes to transmit vacuum....
please don't ignore this warning [MEDIA]
What you both want to do is look at RCKeith on Youtube who does in depth videos on making and using hotwire cutters. I have helped him with his...
He probably means OpenBuildsCONTROL? it is easy to miss that the GRBL ecosystem is 2 distinct parts, GRBL on the controller itself (firmware),...
Most sources I have seen agree that using full circles is generally bad and will cause some problems on some controllers. I have also seen R...
The probing sequence is a little tricky so please carefully read this page Engraving Curved Surfaces and also watch (on a PC not a phone) the...
no, you do not need to change boards, it won't help. The total solution is to NEVER go to machine coordinate 0. Most of the postprocessors...
are you sure you did all the setup? in particular, after the surface probe you must also do 2 separate Z probes, one to tell the system where the...
Hi GRBL regards a hit on any limit switch as a hard limit and will then stop with an ALARM. This is mainly because the Arduino Uno does not have...
plenty of googleable help on importing a foto into Sketchup, however, That will not get you useful Gcode from SketchUcam, sorry, the 3D module is...