I am trying to determine the cause of a wear issue on our machine. We have a 440c idler bar that rests in a slotted block made of delrin or UHMW conductive Polyethylene holder. The shaft rotates at ~1500 rpm. I am getting wear on the shaft that produces brown dust. The shaft is 8mm and the...
I need some guidance in determining whether or not I need to lock a shaft in a bearing. We have a bearing block that has two deep groove ball bearings installed (one on either side). This block houses a 12mm shaft. The shaft is positioned in place by securing a collar on both sides of the shaft...