> hi . i have a belt drive fitted to my mill/drill.please can someone
> help.how hot should the motor be runing .i have not got the belt to
> tight.the motor is not smokeing or runing bad,but is hot to the touch
> thanks for some help jeff
Jeff, an old "Bull of the Woods" machinist pointed this out to me years
back. He would walk through the shop and lightly touch each motor on
machines in use. If he could leave his hand on the motor then it was not
working hard and neither was the machinist! Motors are (were) rated to
run at 30 degrees above ambient. In a 68 degree shop that's a warm 98
degrees and in a 90 degree shop (like I recall!) that's 120 and quite
warm to the touch!
So if you are working your little motor hard then it should be warm to
the touch. A non contacting thermometer (~$20 at HF) will tell you
exactly how hot your motor is and also where the heat/cool is going in
your house too!
With luck there is a nameplate on your motor that will give the power
rating in watts and the temperature rise above ambient! Bill
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