Quick troubleshooting question. Shapeoko 4XXL with bitsetter. Doing an advanced vcarve on a project. Set up went perfect. First bit hit the bitsetter dead center during initialize. Zero’d lower left on the material and ran the carve for almost 4 hours. Time for a bit change. Spindle went front center like it should and prompted a bit change. Changed out the end mill for a 60⁰ v-bit. Hit resume and the spindle went to the bit setter like it should. Problem is during that part, the Y was off nearly a quarter inch forward somehow and the spindle drove the v bit down into the bitsetter housing, completely missing the probe button.
Of course, after that everything was frozen up. I was able to get going again after saving just the second toolpath separate and re zero without the bitsetter enabled. Project saved, but I need to figure this out so it doesn’t happen again. The Y axis stayed true throughout the entire 4 hour carve up until the tool change. Just went way too far forward when initializing after the tool change.
I had this happen to me. While i’m not 100% certain, i believe my dust collector hose may have gotten trapped between the gantry and a part of the base and made me loose some steps on the Y. Mine was just a simple pocket and contour circle with a tool change and it messed up at the tool change.
I have not been able to reproduce the behavior. But i do watch it like a hawk now when its heading for the bitsetter to make sure its over the button.
I have had trouble on my S3 XXL with the drag chain dropping off the back of the gantry and causing the X to skip. May not be your problem but check that your drag chain is not being caught and causing loss of X steps.
I fixed with some double sided tape. I jogged to the left and put the double sided tape just where the drag chain is not curled.
I can see that being a possible issue, but i didnt even have my dust collection hooked up.
I’ve been having the dreaded static disconnect issue recently. With this project being a 4+ hour carve, I was afraid to use it and end up getting disconnected well into the carve.
It resists you, but you could move it. An accidental jolt when a wrench slips or something could cause the movement. It is recommended that you use two wrenches in one hand to do the initial loosening and final tightening of the collet.