Spindle is making an inconsistent noise.
2019-3-21 · One thing to understand is noise will travel. Make sure it is the spindle and not something inline with it. I had a fan on top of my Fanuc spindle that was filthy and had a bearing that was bone dry. The fan would make random noise and often at higher RPM. After removing the fan assembly, cleaning it and repacking the bearing it has gone away.Get Price