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    Extruder engine temperature

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    • lucundefined
      luc
      last edited by

      Hi guys, I mounted this LDO engine SLIM_POWER_LDO-42STH25-1404MAC Dc 1.4 Amp (0.9 °) and I set the current M906 = E1100 (79%).

      • Do you think it is normal that the temperature, after about 1 hour of printing, is about 49°C measured on the back and about 40°C on the side?
        (All other XYZ engines are 85% and do not exceed 35°C).

      • Maybe I have to decrease the current value in M906?

      Thanks in advance
      Luca

      deckingmanundefined 1 Reply Last reply Reply Quote 0
      • mendenmhundefined
        mendenmh
        last edited by mendenmh

        Steppers, even cheap ones, can generally be operated at a surface temperature of 60C with no worries at all, and probably 80C if you want to push them hard (maybe with a shortened lifetime, but not immediate failure). If you can put your hand on them more than 5 seconds, they are fine! You are running yours very gently.
        For the past month, I have been pushing mine to 60C surface temperature to run the printer faster to print frames for face shields. I normally stay around 40-50C.

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        • deckingmanundefined
          deckingman @luc
          last edited by deckingman

          @luc said in Extruder engine temperature:

          SLIM_POWER_LDO-42STH25-1404MAC

          You have nothing to worry about. LDO actually specify a winding temperature, which in the case of that motor is 130 degC. Winding temperatures are generally about 50C more than ambient, so a 130C winding temperature means that you could run that motor inside a heated chamber temperature of 80C. For info, LDO also make a high temperature version which has a winding temperature rating of 180 deg C meaning that it could be used in a heated chamber at up to 130 deg C.

          Ian
          https://somei3deas.wordpress.com/
          https://www.youtube.com/@deckingman

          Co3getundefined 1 Reply Last reply Reply Quote 0
          • Co3getundefined
            Co3get @deckingman
            last edited by

            @deckingman said in Extruder engine temperature:

            @luc said in Extruder engine temperature:

            SLIM_POWER_LDO-42STH25-1404MAC

            You have nothing to worry about. LDO actually specify a winding temperature, which in the case of that motor is 130 degC. Winding temperatures are generally about 50C more than ambient, so a 130C winding temperature means that you could run that motor inside a heated chamber temperature of 80C. For info, LDO also make a high temperature version which has a winding temperature rating of 180 deg C meaning that it could be used in a heated chamber at up to 130 deg C.

            @deckingman
            I have this same motor and googled my way in here looking up the temperature rating. I can't find it on LDO's website. where did you pick up the into that the motor is OK to 130c?

            I run a 50c chamber.

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