3dCase
Well-known member
I have recently installed a new Phaetus Rapido UHF hotend and it has a PT1000 thermistor. I am also using canbus, the BTT EBB36 board, and it does not have the dedicated 4 channel PT thermistor section on it, so I am using the jumper and the config pullup resistor call of 2.2K.
I started with ASA Spectrum275, which before this change printed at 230 ok, now I have to raise the temperature to 250 otherwise I have very bad layer to layer adhesion. Now last week I changed to PLA, Devil Design, for the first time. This also printed very well before at 210, now I have raised it to 230 already since at 220 I have very loose layers.
Could this be because I am not using a dedicated PT1000 connection, and the system is simply less accurate? 5 to 10% off represents approximately 10 to 20 degrees so that could account for it. I am not sure what is going on really, it seems to print fine otherwise. Unfortunately my heatgun does not register temperatures well enough on the small surface of the nozzle so I cannot use it.
Anybody using the same setup could perhaps comment?
To clarify a bit more I also run a CPAP fan for which I have designed a slitted valve system to reduce the flow more on the lower end. This worked fine before as well so it is not the culprit after this change.
I started with ASA Spectrum275, which before this change printed at 230 ok, now I have to raise the temperature to 250 otherwise I have very bad layer to layer adhesion. Now last week I changed to PLA, Devil Design, for the first time. This also printed very well before at 210, now I have raised it to 230 already since at 220 I have very loose layers.
Could this be because I am not using a dedicated PT1000 connection, and the system is simply less accurate? 5 to 10% off represents approximately 10 to 20 degrees so that could account for it. I am not sure what is going on really, it seems to print fine otherwise. Unfortunately my heatgun does not register temperatures well enough on the small surface of the nozzle so I cannot use it.
Anybody using the same setup could perhaps comment?
To clarify a bit more I also run a CPAP fan for which I have designed a slitted valve system to reduce the flow more on the lower end. This worked fine before as well so it is not the culprit after this change.
