z-axis motor heats up quite a bit  

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melaniebraun
(@melaniebraun)
Active Member

Hi Everyone,

I'm just curius if this is normal. My z-axis motor becomes quite warm while printing and I wanted to know what temperatures are normal or acceptable. I also checked x and y and they are definitely cooler than the z-axis.

Since my room will probably get warmer in the coming summer weeks I wonder if this can become a problem for the printer? At the moment I have something around 25°C to 27°C room temperature.

 

 

Posted : 30/06/2020 2:30 pm
geoper2
(@geoper2)
Estimable Member

Its pretty normal since the Z axis is constantly moving during retraction for most materials and also keeps the whole assembly steady. You could use a heatsink if that made you feel better but its not necessary since the temperatures that it reaches are normal.

Original Prusa Mini + Smooth PEI
Prusa Slicer 2.2.0
https://www.instagram.com/3dprintedgr/...
Posted : 05/07/2020 4:28 pm
melaniebraun
(@melaniebraun)
Active Member

@geoper2

Thanks for the info, I will monitor the temperature a bit. I still have a spare heatsink from a cpu that I could repurpose if it gets worse.

Posted : 07/07/2020 12:44 pm
mark.ghebrial
(@mark-ghebrial)
New Member

Stepper motors actually tend to consume more current when not moving than when they are moving. Since the z motor moves the least (and when it does, it moves very little), it makes sense for it to get pretty warm.

Posted : 22/07/2020 9:35 pm
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