Machine:hardinge VMC1000
Problem:Spindle belt become noisy after only a couple of hour(less than 100).
i check tension but the two belt has not exactly the same tension. Belt has a sticky yellow dust on the bottom. They run hot enough and one of them has some deformation on one side. Last belt has many little crack after only 500 hour.Aligment between sheave seems to be ok. Belt run smooth in M04 but noisy in M03. It is worst when belt are cold. I use cimtech 304MA coolant wich let a sticky deposit. I suspect that it could be the cause. Belt stick on the pulley and make noise when it unstick. That cause excessive heat and premature faillure. Any hypothesis are welcome. This noise make me crazzy!