I've notice that mine get very warm too -- always have for as long as I've been experimenting with steppers. Make sure that your coil voltage matches what the motor is expecting; if you goose it with a higher voltage you'll definitely get more heat than normal.
▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔ Jon Williams
Applications Engineer, Parallax
Dallas Office
Some control systems can adjust the current going to the motor. The faster the motor has to turn, or the more load, the more current is needed to avoid missed pulses. When the motor is stationary the current can be lowered also.
This will lower the heat and the current consumption.
I'm not sure if you could PWM the outputs ? I never tried it.
yzche
Posts: 35
Comments
▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Jon Williams
Applications Engineer, Parallax
Dallas Office
This will lower the heat and the current consumption.
I'm not sure if you could PWM the outputs ? I never tried it.
Terry
stepper motors are not fan cooled so do not shed heat under normal condtions.
Most stepper motors are rated for something like 180 deg C.·
so, if my math is right.· 180 deg C time 9 - 1,620 divide by 5 = 324 + 32 for a normal operatin temp of....·· waaaaaat· ?
Think my math is off.·
op's that was 180 deg F·· Many steppers are rated for 180 deg F
or in normal terms HOT !
If you can, check the data sheets on steppers.· if it bothers you, get a CPU cooler fan and cool it.
When not used, shut the power off if you can.
Dave