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Mach3 under Vista / Mach3 in Windows 7... Z plane problem...

« on: March 01, 2017, 11:46:11 AM »

Hi. I have Mach3 running on a fully updated Windows 7 PC. The problem I have been having is: When I am doing a 1mm deep engraving on Plexiglas, The Z keeps slowly increasing depth of cut as the pattern goes along. The software says it is going to Z0.0000, but the physical depth keeps increasing... could it be with the motor tuning? Too much acceleration or velocity that causes this? It is repeatable, and FRUSTRATING!!!! Any suggestions to check out? Thanks.