Thread: It's begun....
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29-09-2013 #11
Another quick update:
I still have spurious e-stops, which I thought I might get rid of by running the VFD off of a circuit in the workshop which does not go through the dado trunking next to the control box supply, but to no avail. Also checked all my earthing for the control cables and that is OK i.e. CY shielding going back to the control box star point, with good continuity. Also tried Mach3 de-bounce settings up to 3000. Only thing I have left I think is I replaced a big chunky, but very long (3mtr) parallel cable with a shorter one, so will switch that back to see if there's an improvement.
On the bright side, to do the testing for the spurious e-stops I ran a job in beech block just to try and the following pic resulted, which despite the e-stops probably losing steps when incurred, is at least something and came out nice and clean apart from where the wood won't hold the very thin details. The 3mm end mill went through the wood like it was not even there (ran at 18600 rpm at 800mm/min on a 3flute), so aluminium next :-)
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