First was getting the Mach 4 “Probe” input working. So I was determined to set up a touch plate and have that working with the Mach 4 controller software. This has to be done after each tool change and is just plain tedious. The hard part has been easily zeroing out for cutter height. I measure from the stops / fence to the home position and modify the zero references and I am off and running for several projects. The way I am currently setting up my fixturing on the CNC table, I have a left size (x axis work zero) fence and some movable stops from Rockler in the table slots. 2″ diameter touch) are bit small for woodworking due to the rougher surface of the wood and the large ones seem to be easier for me without false indications of the edge. I particularly like the 1/2 inch diameter ones like this one: Brown & Sharpe 599-792 Edge Finder Single. X and Y i have been doing with a standard edge finder. One of the hard parts has been zeroing out each of the axis. These can be furniture pieces or parts for the router or other tools. That is I can now with modest effort actually make useful things. The CNC router has achieved functional status.
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