Ultimaker 2 to 2+ Feeder Spacer

thingiverse

This adapter spacer frame is essential if you want to fit the Chinese Ultimaker 2+ feeder to the Ultimaker 2, as some stepper shafts are too long on certain Ultimaker 2 models. Instead of cutting the shaft, which can be a bad idea, use this adapter to get it right. You will also need an alloy mounting plate and some m3 bolts; I shortened my m3 bolts with a Dremel to achieve the correct lengths. Some feeder steppers on the UM2 do not have the necessary D-shaped shaft to fit the new plastic gear, so you will need to file or grind a flat spot to accommodate it. Set the tension on the feeder to about halfway by turning the hex bolt on top anti-clockwise, like loosening it, but actually increasing the spring tension. Install Tinkergnome firmware using Cura because you will need to change the feeder E steps to around 738; Tinkergnome has a feeder calibration to extrude 100mm of filament. To do this, remove the bowden tube from the feeder and insert a piece of filament into the feeder until it's level with the top. Now use Tinkergnome to extrude 100mm and measure how much you get; if you get 103mm, just calculate the desired number by dividing 100 by 103 times the E steps it's set on. So I got 103mm, so I calculated the desired number by dividing 100 by 103 multiplied by the E steps it was set on - which is 716. So I set the E steps to 716 and now I get 100mm of filament. I added the 3Dsolex TFN couple and my Ultimaker 2 is printing very nicely! Additional setup with Tinkergnome involves PID Autotune your nozzle and heated bed, setting the target temp to what you normally print at, which helps a lot. And don't forget to do a bed level with a new install on Tinkergnome!!!