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ib-guder

U2 with hot and loud stepper motor

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Hello dear community and dear Ultimaker-Team,

I noticed a temperature difference between the X-Stepper (right one?) and the Y-Stepper (left one?). The current is set to 1300 mA. Printspeed is about 50mm/s.

The left motor becomes very hot, I can't touch it for more than 3 seconds. And it is much louder (hums, buzzes, when it moves).

The right one becomes hot, but I can touch it.

The model to print is a sphere, so both motors should have the "same work to do".

Is this an intended behaviour or should I adjust the current for the hot motor?

Thank you and have a nice day!

Tom Guder

 

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Electronics is not my expertise, so I can't give you exact details. The lower current should not harm the electronics, but will significantly decrease the power of the stepper motors. Something weird is going on as they should be able to handle 1300-1600 mA.

 

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Electronics is not my expertise, so I can't give you exact details. The lower current should not harm the electronics, but will significantly decrease the power of the stepper motors. Something weird is going on as they should be able to handle 1300-1600 mA.

 

Thank you for answering.

For which temperatures are the motors designed? Did you measured temperatures of the motors?

Tom

 

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