Hello. I have changed over to Mach4 lathe and I am having issues with screwcutting. Using constant area cuts, as this should give the best results, I get very variable results due to excessive cut depth on passes after the first cut. I enter a first cut depth that equates to say 1/10th of thread area, converted to a depth for the 60 deg tool. The first pass is ok, as set, but others are very much deeper than expected, and all done in 5 passes (not 10 as expected).

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