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OpenBuilds Control does. OpenBuilds Software: OpenBuilds CONTROL and OpenBuilds CAM - FREE software to run your CNC, Laser, Plasma or Pen Plotter
If you set your Z zero to the table top (spoil board) it should never cut into the table top unless 1) you tell it to by accident or on purpose...
I would (and did) just make custom plates for the pillow block when I built my first CNC ACME OX (A Lead Screw Driven Ox Derivative (850x1500))....
If the used one had a Dewalt or Bosch router it should have been tight.
Are you putting a 65mm spindle into the OpenBuilds 71mm spindle mount? If so, I would add one of these: Router Mount Adapter
I see you mention you calibrated the machine. To get the most accurate cuts, you should calibrate each axis over as long of a distance you can....
You may have to work them back and forth with the drill a few times.
Strange. It appears in the V bit cut letters, but the round grove does not appear to have the chatter in the first photo.
Calibrate over as long of a distance as possible. It will be more accurate.
As for a free course, read through this. It answers most questions. Home
What is your GRBL $1 setting? Grbl v1.1 Configuration If it is not set to 255, it can start to lower slowly. I had this problem when I built my...
If your endmill is short enough where your collet may hit the surface of the uncarved wood perimeter, you can cut a wide profile around the model...
Zeroed on top the wood, or the spoil board? I usually zero on the spoil board for everything except V carves because issues like this arise if...
Is the material a uniform thickness? How are you determining the Z zero point? Is your spoil board surfaced and parallel to the gantry?
I do it by sound. When I am slotting or profile cutting in wood I keep my speed at about 2500mm/min depth is 1/2 the endmill diameter. If the...
In the documents here in section 3.3 is the information you may be looking for. It is for the Blackbox x32 grbl controller....
So it homes to the front of the machine, not the rear right like industry standard? Your X is definitely reversed. You can go into the GRBL...
Does it start in the back and run in reverse? When you jog the machine in the Y positive direction, does it move away from you? When you jog in...
If you have not moved your XY zero point, you could go into the CAM and just remove the cuts that worked. I do this if for some reason I do not...
If it is an OpenBuilds controller then see this: docs:blackbox-x32:connect-xtension-limit [OpenBuilds Documentation] If it is the original then...