Started a carve and got a Z Axis stall. Assumed it was dirt or something lodged so shutdown and did a clean and check. Some dust but nothing lodged while the truck moved easily with no play. Cleaned up and restarted with the same failure. Restarted again and watched carefully and it occurred when doing the surface thickness test. Watched the next time and realised that the bit was going through the 'shaft' at the encoder assembly shaft after I selected the 1/8 cutting bit.
Way back when with an earlier version the machine had carved through when the bit didn't slow down fast enough after the 'insert bit' step and I had plugged the hole with a piece of plastic and epoxy. Never had another problem till now with it. The only difference I see is that I rarely use the cut out option. Just prefer to save machine time by doing them myself. Found a plastic cap with a pin on it and inserted it into the hole(no glue). Reran the project and no stall. Watched the bit test and noticed it carved down into the plastic, not a pressure mark but cut a 1/8 inch hole approx 1/16 in. deep during the 1/8 cutting bit select test. Hole was not deepened by the carving bit when it ran after the cutting bit. Does anyone have an idea how to resolve this? Does the machine run the cutting bit longer during the test than the carving bit?
Running 1.187 - project is Zan29's Majestic Sun-- pics attached but original hole is hard to see.
Thx ,
Rick H