This position should be machine absolute zero. You can just loosely tighten tool in spindle and if accident happens nothing will be damaged. Be careful not to crush tool into machine table when you descent Z axis. Tool is put in spindle and machine is jogged to this position. I will put some tape to mark it so that you will see it better on image. What is important is, that it is always at same position. Usually machine works in relative coordinates and it is not really important where absolute zero is. We need to choose where machine absolute zero position is. This means that we will use them to set machine absolute coordinates. Limit switches can be used as reference switches. When machine stops you should be able to jog in opposite direction.Īll 5 limit switches should be verified like this. Your hand near moving machine in usually not good idea so keep safe distance. To verify that limit switches stop machine jog in direction of limit switch and trigger it with hand. To do this "Limit Switches Stop" checkboxes should be checked. Triggered limit switch should stop machine. To verify that all limit switches are working, trigger switch with hand and position display will become red or purple.
Two limit switches on X, two on Y and one on Z axis. Machine that I will use has 5 limit switches. For now it is important that everything is set to zero. “Empty” tool should be selected with with "Machine/Tools/Select/Empty" and tool offset should be set to zero with with "Machine/Tools/Zero Tool Offset" command. Working offset should be set to zero with command "Machine/Offset/Zero". If position display changes for 100mm then machine should move 100mm.įirst we need to set offsets to zero. You should verify that distances in all directions are correct when machine moves. "Steps per unit" settings are already calculated and set. I use metric (millimeter) units but everything is same with imperial (inches) units except numbers are different (1mm is apporximately 0.03937in).
I will use my router machine as an example but you can do it similar way on all machine types.
#CNC USB CONTROLLER USB DRIVER HOW TO#
I will try to show you how to setup CNC using PlanetCNC software.
#CNC USB CONTROLLER USB DRIVER SOFTWARE#
How to setup CNC machine using PlanetCNC software and controller?
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