[Replacing second feed motor with 0.2A stepper]

I am designing an expansion Kit that could allow some new functionality and improved print quality on Ultimaker S3 (later S5).

I need to replace the second feeder motor by a smaller stepper motor rated at 0.2 A.

Any advice on how to reduce the current for the smaller motor?

 

I will be adjusting the G-code later to use the second feed motor for a different function while the first feeder motor operates normally and prints using core 1 normally.

[Ultimaker Cura Arachne Engine Beta 2]

 

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[Surface defect and Corner overshoot on Ultimaker 3]

Hello Users of Ultimaker 3 Printers.

 

I am having surface defects on my prints with Ultimaker 3.

 

I believe the problem could be belt tension, so i followed the instructions to adjust tension. The surface problem persists and the corners appear to strongly overshoot while printing at 30mm/s.

 

Any suggestions for a solution? Anyone familiar with the problem, why does it happen and how to solve it?

I attached pictures.

 

[Printing strange lines S5]

[Printing strange lines S5]

The extra travel and deposition does not appear in the slicer.

[Printing strange lines S5]

I am trying to print a simple part as shown in the picture, the nozzle however keeps traveling to the corner and deposits an extra unconnected lines on the left. Anyone has had this problem ? I could not find the reason for this in the cura slicer settings.

[Print with 0.8 Nozzle]

Thank you for the comment gr5 that helped a lot.
1) The test is also done in the build direction , the layers are pulled apart.

I will try to program the nozzle to keep going without extrusion an extra distance forward in gcode.

2)Fans are on 100%

3) 4) I will print slower and maybe make pauses between layers or print two parts at the same time .

 

5) i will run it at 10mm and maybe try with thermal camera to see differences .

6)That is a great tip , i will disable that , slice again and check changes in the gcode.

 

Thank you for the very helpful tips.

[Print with 0.8 Nozzle]

Thank you for the reply smithy. I uploaded the 3mf and a picture of the slice. I am printing parallel non connected infill lines to test bond strength . (This geometry is perfectly suitable for my test setup)

UMS5_Block-print.3mf

[Print with 0.8 Nozzle]

I tried to print a plate upward with 0.8 Nozzle. It seems to have over extrusion and beginning and at end , but the middle of the line looks perfect .

This was done on Ultimaker 5 PLA material. Any suggestions on how to fix it ?

[Alternating filament colors]

Thank you for the replies. I will try this to get every layer in different color. So i am calculating the length. 

[Alternating filament colors]

Has anyone tested extruding pieces of filament of different color ? 

Any suggestion for a better way to do this ?

 

[Ultimaker S5 two material infills]

I just found the easy solution staring me in the face in cura !!!

 

Just switch Infill extruder to "Not overridden".

[Ultimaker S5 two material infills]

I managed to slice each part independently and generate two gcodes.

 

Then i combined the gcodes in notepad++  and it is now working. 

 

I hope the manual solution could become a feature in cura at some point.

[Ultimaker S5 two material infills]

I am trying to print a part with two materials. I need to fill one section with  nozzle 1 and infill with nozzle 1 and then when i switch to nozzle 2 , and i want the infill to also be nozzle 2 .

 

Cura 4.2.1 says " The settings is always shared between all extruders " it always sets the infill to one default nozzle. I cannot independently select the infill nozzle.

 

Is there already a method to remove this link between nozzle settings ? Is there a  work around ?

 

[Where can I buy a UM3 BB nozzle?]

On 6/27/2018 at 9:26 AM, Dim3nsioneer said:

Why crazy? It's standard. The Ultimaker 3 is designed for professional users who usually don't have the time to fiddle around with things so they replace the core.

As you already disassembled the core, you could also just drill out the nozzle, no?

 

You can get two new print cores AA and BB if you buy a new printer. Just buy a new printer anytime the nozzle clogs.

[Where can I buy a UM3 BB nozzle?]

 ,

[Disable Automatic active bed levelling for Ultimaker S5]

Thank you dxp.

One at a time is a great feature i did not know about it. Now i can print 4 specimens together.

I have to keep large space between them.

 

I wish i could do more.

So what about that "Sequential" suggestion ?

[Alternating Infil Position]

I am printing infill on Ultimaker s5 and s3. The default parallel lines are as shown on the left. By editing the g-code I obtain the alternating pattern on the right.

Is there a feature in Cura that can have the infill lines shifted like this ?

 

[Disable Automatic active bed levelling for Ultimaker S5]

Thank you for the reply SandervG.

 

The specimens have different layers heights , different speed prints...
Maybe there is a way to have a "Sequential print" . To bundle the files into one Gcode that print them all.

 

Then the machine could ask me to remove "Part1" and click resume, When part 2 is done , machine displays "Remove Part 2" and asks to resume... Could this be a feature.

[Ultimaker 3]

Got the S5 yesterday . It prints great PLA / ABS .

 

Still getting used to the touch screen. Is there a tune option to adjust nozzle temperature during print ? I could not find that.

[Disable Automatic active bed levelling for Ultimaker S5]

I am printing hundreds of small parts sequentially. I need the prints to be independent but i do not want to wait for bed leveling for every print. Is there a way around that ?

 

Bed leveling takes 1 minutes and i have 100 small parts to print, that means 100 minutes of waiting. I am printing tensile specimens and they need to be printed individually.

Please advise.

Another small question, is it possible to adjust nozzle temperature during print with the S5 ? (The  universal option called "Tune" )

[Ultimaker 3]

Thank you . I will be buing the S5 by the end of the year.

[Ultimaker 3]

I really like the product but it surprises me that for it to print the second most used filament like ABS you need to adjust the printer.

 

And again UM3 is not cheap. I just expect that at that price the door would be default.

I know there is the core exchange technology and that costs research and i am also paying for the research. I really like the printer reliability and quality, but for the price it should be a solid choice for PLA / ABS / Nylon print without adjustments.

[Ultimaker 3]

Actually no. I was told there is no kit and i should go to third party. That was yesterday in Hannover.

 

I found it on the website now. https://ultimaker.com/en/resources/49779-installing-the-advanced-3d-printing-kit-for-the-ultimaker-3

 

The representative mentioned that a door i can buy or build would solve 80% of the problem.
Third parties produce complete enclosure kits.https://www.matterhackers.com/store/l/ultimaker-3-enclosure-kit/sk/MJPRFC8C

[Ultimaker 3]

So you are telling me a 3600+ $ printer does not come with a door.

 

I actually met yesterday with sales people from Ultimaker and voiced my feedback on the problem. The company does not sell a kit . I can only buy a third party enclosure or build one.

 

But I think Ultimaker 3 is the only expensive pritner without a door,very unique feature.