On 2010-07-31, Jon Elson wrote:

Anyway, if the spindle temp levels off after a longer run, then I
agree, it probably isn't a big problem. If the temp keeps going up,
then you are going to have to investigate. You can get plenty of
advice here from people who know these machines better than me.

I ran the mill for 1/2 hour at 2400 RPM. The rise does stabilize at
some point and 115F seems to be the max.

i