Xhc mk4 cnc mach3 support download3/21/2024 i contacted xhc twice and never heard back so i cannot recommend this card.d even in firmware the update notes they suggest to use getoemdro(802) instead of variable 2002, which to me seems like they know it is an issue. it had all sorts of strangeness and it does not have variable 2002 (needed for g31) working correctly. I am not sure if i had the mk4 of this card but the auto tool zero definitely did not work correctly on the version i had. Or which settings will be reset after driver change? My question is what causes Mach3 to change coordinates after all axis are called home without turning off machine? It is somehow related with driver because I tried to copy back old version of driver and coordinates are right after calling axis to home. I am afraid to damage table when I will use shorter tool and wanna use longer tool after that and by some reason I need to call machine to home and forget to autozero it. Somehow mach3 take that "random value" from previous mach3 session, but it wont update that value between current session. It show me right coordinates but changes it to random value 3-5 seconds later after all axis are homed. But I lose this position in case I refer all axis to home again. Now when I start machine, call all axis home and using auto tool zero for Z axis I get Z-coordinate to use. I downloaded ver 2.3.9.8, made copy of original driver and pasted new driver to right location at mach3/plugins. This is serious issue which I tried to solve by downloading latest driver from XHC homepage. Sometimes CNC stops between job and give error "Is the XPod inserted OK? It has ceased to respond." This was long time ago, last year I didnt get this problem.Īnd the worst problem which happened since this week and which I try to solve: sometimes one of the Y-axis motor stop working between job or even motors running on opposite direction which cause damage for CNC construction. I know I inserted right numbers (usually I insert Z-coordinate by increasing or decreasing it by small amount (0,1.0,2mm) and when CNC starts job it cuts parts out from wrong distance on Y-axis. This happen when I use auto tool zero or I manually insert custom coordinates instead. Sometimes it losing Y-coordinates and machine think like actual position of spindle is 10-20mm closer to 0. My CNC is not working properly all the time. I hope somebody give me a hint how to solve my problem or which settings to look for.
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