UM2 printhead for UMO+, top and bottom part

A 90 degrees rotated UM2 printhead top which can be used for the UMO+. Dual extruder version.

Maker/DIY

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Description

In order to use a UM2 printhead on a Ultimaker Original+ (UMO+), the top part of the printhead needs to be rotated 90 degrees. I designed a dual extruder version, based on the original part (see github, UM2, step files). 

Also included is a modified bottom part, which enables to use a thicker fan (10mm) and still guide cables through the printhead. I used a Sunon MC25100V2-000U-A99 fan which has a good airflow while being very silent. 

Works like a charm, see video

Materials and methods

Filament

Documents

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Comments

B1bdd12eb13152b4c559fb9c929bf259?default=blank&size=40fcristy28 added this to the Ultimaker UMO collection ago
44b937a5459f8f2bb9935599e5c55c7c?default=blank&size=40carryaurel added this to the gipsa collection ago
88591ba5e59422d49d1685ff57e09a20?default=blank&size=40tuttoflash added this to the Ultimaker collection ago
531235c7420172ceddd698df9b5da7fe?default=blank&size=40Stephen Brew added this to the UMO Stuff collection ago
7e414cf6ccc5867466a47b7b1cbee668?default=blank&size=40tiedexen1 added this to the UMOplus collection ago
Cc08ffa669f01f88c5864727d98fa191?default=blank&size=40nilrog added this to the Ultimaker extras collection ago
8f921f3c040c44b3226d53e1da3cf6bf?default=blank&size=40M.Schubert added this to the Ultimaker 2 collection ago
Ab14af86ccc672d5721fdabe10431604?default=blank&size=40Brian Daw added this to the printer tools collection ago
75acf7540a0c23d0049f49c40440d22f?default=blank&size=40k1tekat added this to the Want to print collection ago
Mini img 4905Marco3D commented ago

Hi,

1) for the heater and sensor I did not adjust the firmware. Btw I replaced the UM2 nozzle block by an olson block with a 25 W heater, so you're situation could be different. If you notice a temperature overshoot during heating up, or during printing, you should perform an autotune of the PID values. That should be sufficient for the temperature control.

2) Note: there is also a dependency on the fans and the control board. The UM2 fans only work from a certain PWM value and need a kickstart. If you do not update the firmware it will only start spinning at full PWM (see https://bultimaker.bulles.eu for firmware). The heater fan in my case is on by default. However, depending on the version of your control board it is being switched on/off at a certain nozzle temperature. In that case you will probably need a custom firmware.

gr. Marco

Btw see https://ultimaker.com/en/community/21167-assembly-manual-um2-upgrade-kit-on-ultimaker-original-plus for an excellent tutorial by neotko!

Mini profile text3Dprint_fox commented ago

Hi,

did you change some firmware settings to get UM2 heater sensor and heater cartridge working in an espected range?

Greets

3Dprint fox

Mini profile text3Dprint_fox added this to the Ultimaker Upgrades collection ago
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Mini img 4905Marco3D published this design ago