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I don't think there is much of an advantage. Know that the heater area of the block will be warmer than where the temp sensor is. And the area closest to the temp sensor will be closest to the goal temperature. But the differences in temperature are not serious but I suppose they are large enough that every printer has it's own recommended print temperature for a given material (e.g. UM2 default PLA temp is I think 210C and UM3 is I think 200C).
I don't recommend 2 heaters but if you did that they would most likely be in parallel.
The 25W heater on UM3 core seems to be plenty even for the 0.8mm nozzle. I personally sell UM3 cores with 30W heaters which work fine and for UMO/UM2/UM2+ I sell heaters from 25W to 50W. Unless your fan shroud is touching the block, 35W seems to be more than enough for up to 2mm nozzles.
When you go to higher wattage heaters you need to mess with (adjust) the PID values that control the heater.
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Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more.
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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gr5 2,176
I don't think there is much of an advantage. Know that the heater area of the block will be warmer than where the temp sensor is. And the area closest to the temp sensor will be closest to the goal temperature. But the differences in temperature are not serious but I suppose they are large enough that every printer has it's own recommended print temperature for a given material (e.g. UM2 default PLA temp is I think 210C and UM3 is I think 200C).
I don't recommend 2 heaters but if you did that they would most likely be in parallel.
The 25W heater on UM3 core seems to be plenty even for the 0.8mm nozzle. I personally sell UM3 cores with 30W heaters which work fine and for UMO/UM2/UM2+ I sell heaters from 25W to 50W. Unless your fan shroud is touching the block, 35W seems to be more than enough for up to 2mm nozzles.
When you go to higher wattage heaters you need to mess with (adjust) the PID values that control the heater.
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