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Hot-tightening and hot-loosening is a mandatory step, it is not optional.
it sounds like you are trying to mix 1.75mm and 2.85mm components, both the heat-sink and heat-break are filament diameter specific parts.
We would recommend wiring the heatsink cooling fan directly to the power supply.
Correct, thermal paste is only applied to the long thread section on the heatbreak.
The idea behind PID tuning is to obtain stable temperature, therefore it’s important that the PID tune is done with the same setup as you would use when printing, ie the same temperature, part cooling on (if you use it) and a silicone sock on.
Ideally not, you should aim for the heatbreak to be fastened inside the heatsink.
Hi Tie,
Please contact support@e3d-online.com with some images of your setup, a resistance reading of the thermistor, and the ambient temperature at the time of thermistor reading measurement.
This guide is for VREF adjustment, you are looking at the Esteps per mm value. If you are interested in learning more about E steps per mm I would recommend watching this video https://www.youtube.com/watch?v=VIHgDiCC...
For reference with x16 microstepping, you would need this value to be 409 with Hemera as a starting value. Further calibration may also be required.
Thank you for bringing this to my attention, I have amended the calculation.
I would recommend contacting the manufacturer of the SKR mini for guidance on how to change the VREF values.
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