Is it normal for a stepper motor to get hot?

Is it normal for a stepper motor to get hot?

Stepper motors do get hot. Their cases can get up to about 100 – 110 degrees C. This is because the drive is supplying the motor with full current the whole time to keep the motor in position. The temperature difference of a stepper motor on and off of a heatsink can be up to 40 degrees C!

What happens if a stepper motor gets too hot?

But as current increases, so does motor temperature. If motor temperature rises too high, windings short and the motor ceases to function. It’s normal for step motor temperatures to reach 70°, 80°, or even 90°C. While these temperatures make it too hot to touch the motor, the motor itself is unharmed.

How hot is too hot for a motor?

Normal operating temperature of new and used vehicles Of course, factors such as air conditioning, towing and idling at a stop will impact this, but you should be fine if your car is running at anywhere between 190-220 degrees. Over this limit, and your radiator and coolant fluids run a higher risk of burning.

Do stepper motor heat sinks work?

Yes, steppers can get hot and still work just fine. Yes, what a human feels is too hot may not be too hot for a stepper motor. HOWEVER: Stepper motors DO lose torque as they heat.

How hot is too hot for stepper motor?

It’s normal for step motor temperatures to reach 70°, 80°, or even 90°C. While these temperatures make it too hot to touch the motor, the motor itself is unharmed.

What should the temperature of a step motor be?

Doing that will make the motor hot but not too hot. It’s normal for step motor temperatures to reach 70°, 80°, or even 90°C. While these temperatures make it too hot to touch the motor, the motor itself is unharmed. But how else can design engineers (and motor end users) reduce motor heat? Here we’ll explore three more ways:

What kind of stepper motors do I have?

I have three stepper motors. One Nema 17 – 2.4 ohm, the second smaller noname from color printer – 9.5 ohm and third the smallest noname from cdrom – 10.5 ohm. I have connected them to arduino mega 2560 with ramps 1.4 (set to 1/32 micro stepping) and drivers drv8825.

When do you reduce torque on a stepper drive?

Many motion control applications need the most torque when the motor accelerates and decelerates to meet its mark. But when the motor idles, or holds position, it requires much less torque. These instances are a good time to reduce motor current. Most modern stepper drives do this automatically.

Why is the NEMA 17 stepper motor so hot?

Because the current is constant, the 10.5-ohm motor will dissipate over four (4) times the power of the 2.4-ohm motor and will get much hotter more quickly. Your RAMPs board is supplying your drivers all with similar voltages, with the basic settings calculated for a NEMA 17.