I used up my thermal paste from the supplied spare parts because I disassembled hotend everything once. On the little bag was written:
Thermal Conductivity 2W/m.k.
Thermal conductivity in the SI system is a unit of watts per meter and Kelvin.
I once learned that a higher value is better and conducts more heat. Is that also the case here with the Bambu X1?
So can I use a product that has 3.17 W/m.k. without hesitation? When I was still playing with processor cores, I used silver thermal paste. Is that ok? Like HY710?
Unfortunately, the operating temperature of most CPU heatsink paste is a little low for hotends at around 240°c
The best stuff is slice engineering boron nitride, is 31.4 w/mk and 850°c
If you don’t want to buy the slice engineering paste, then just look for a thermal grease that will be good for over 300°c temperatures. I use the slice engineering one myself because the original grease dries up and goes powdery after a while, causing issues with the heater and thermistor values.
Exactly right.
Dig into it and you’ll find that the printer is not actually made with high quality components, steppers, bearings etc. Don’t get me wrong, it does a very good job with the ones it has, but they’re not the best quality available. Just using boron nitride paste would likely cost them a few dollars extra per printer. Using for example noctua fans, Misumi bearings, Nema steppers, or actual perfectly flat print beds (), while good for us, would likely add a lot more to each printers cost for little gain in print ability or quality for the majority of consumers and a lot less after sales of spare parts.
I don’t know where you are looking, but Bambu definitely does require the use of thermal paste. Without it, there will be air gaps between parts, heat will not transfer properly from the heater to the nozzle and the thermistor will indicate incorrect temperatures.
A complete hotend with fan comes from the factory with paste already applied.
If you are changing/replacing only the nozzle you will need thermal paste to install it.
), while good for us, would likely add a lot more to each printers cost for little gain in print ability or quality for the majority of consumers and a lot less after sales of spare parts.