If a layer would normally take less time than the set value, the printer slows down, so that the minimum layer time is reached. The minimum layer time determines the time it should take to print one layer. The speed then changes back to the regular fan speed, which is achieved once it reaches the height setting for the regular fan speed. This controls the fan speed on the initial layer only, which adheres to the build plate. Printing with the fans on full from a height of 0.5 mm is usually sufficient. Using a higher value increases the adhesion to the bed, but can also lead to oozing and a reduced print quality. It’s also possible to change this parameter by adjusting the layer number at which the fans should be on full speed. In the layers below, the fan speed will gradually increase from zero to regular fan speed.
This is the height at which the fans will increase to full speed. For faster layers the fan speed gradually increases towards the maximum fan speed. Layers that print slower than this time use the regular fan speed. This setting defines the layer time at which the fan will switch between regular fan speed and maximum fan speed. The fan speed gradually increases between the regular fan speed and maximum fan speed after the threshold is hitĪn overview of common cooling settings combinations, projected onto a pyramid model Regular/maximum fan speed threshold Maximum fan speed: The speed at which the fan spins on the minimum layer time.When a layer prints faster than the threshold, the speed gradually increases towards the maximum fan speed
Regular fan speed: The speed at which the fan spins before hitting a threshold.This setting is divided into the following parameters: The preset material profiles on the Ultimaker already contain the default values for Ultimaker materials. This is why the speed may be different for different materials.
A higher speed allows for better cooling and reduces oozing, but can also increase the shrinkage of the material. One of these is the fan speed – the speed at which the fans spin. When the print head fans are enabled, you can adjust certain parameters. For layers with a short layer time, and those with bridges/overhangs, cooling will increase the print quality. The print head fans ensure that the material is cooled properly before the next layer is printed. With this setting you can enable or disable the print head fans during printing.
0 kommentar(er)
