Originally Posted by HAAS MM  the company i work for just got a mini mill after Christmas and before the tech left after he setup the machine he started the run in program, and every morning i run the warm up program. and so far i havent noticed a warm spindle. but then again i havent really used the machine to its capacity either. we are just using it for small parts for the time being. i think the biggest spindle load i have seen is about 30%. |
Thisn is the way to do it I think. All my machines get the Warm Up every morning before starting work. Provided this is done we may get warm spindles but never hot; in addition I have never found any correlation between load and spindle temperature, speed yes but not load.