Raft Problems

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WepfAir
Posts: 2
Joined: Wed Dec 06, 2017 6:55 am

Raft Problems

Postby WepfAir » Tue Jan 09, 2018 11:30 am

Raft problems
When printing a file there is always the same error during rafting.
The last layer of the raft is warped identically. (see. Picture)

I think if the fault is caused by one of the timing belts or what could be the reason?

I use a Raise3D N2 Plus

WIN_20180109_11_27_55_Pro.jpg

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Vicky@Raise3D
Posts: 3767
Joined: Fri Mar 25, 2016 3:54 am

Re: Raft Problems

Postby Vicky@Raise3D » Wed Jan 10, 2018 6:16 am

Please help try a test print with lower Surface Layer Infill Raftio.
1.png

The default value should be 85%, try 75% and share the result with us.

Levi3D
Posts: 4
Joined: Wed Jan 10, 2018 11:55 pm

Re: Raft Problems

Postby Levi3D » Thu Jan 11, 2018 12:54 am

Hey WepfAir,

Its unlikely a mechanical error because its missing some layers on the exact same spot.
Click the Preview icon and check the bottom of the model by adjusting the Layer scroll bar and see if will show the missing layers.
If its missing then check your stl file if there are holes at the bottom surface, you can also click the Repair if that will remedy the issue.

WepfAir
Posts: 2
Joined: Wed Dec 06, 2017 6:55 am

New Problem

Postby WepfAir » Tue Jan 16, 2018 9:59 am

It was probably an error in the file, but I couldn't resize and print the file because there were other problems:

WIN_20180116_07_28_17_Pro.jpg
WIN_20180116_07_28_09_Pro.jpg
WIN_20180116_07_27_52_Pro.jpg


There was an offset between the layers in the X and Y axes.

What could be the reason for this?

I had already read that power outage can be responsible, but this is not the reason.

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Vicky@Raise3D
Posts: 3767
Joined: Fri Mar 25, 2016 3:54 am

Re: Raft Problems

Postby Vicky@Raise3D » Wed Jan 17, 2018 6:39 am

Have you pause this project in the mid?
Have you checked the height of the two nozzles? The right one seems a little lower than the left side one, which may cause nozzle striking.
If you feel any abnormal of your mechanical system, please shoot us a support ticket.

Levi3D
Posts: 4
Joined: Wed Jan 10, 2018 11:55 pm

Re: Raft Problems

Postby Levi3D » Wed Jan 17, 2018 11:25 pm

Like Vicky said, the right nozzle might be hitting your model causing it to shift.

One option is to remove the right nozzle if you dont do a lot of dual printing. Heat up the Right Extruder first and use a nozzle wrench to remove the nozzle, please use caution not to over twist otherwise you could end up snapping the Throat Tube (barrel)

Another option is lowering the left hotend a little bit. To do this you will have to loosen up the front locking hex screw and the secondary locking grub screw, which is located on left side when you remove the fan and the fan shroud. Bring down the hotend a little bit and dont forget to readjust the nozzle distance so it wont damage your Buildtak and the glass platform.

You can also try lowering temperature as it gets closer to the top. As the extruder head puts down the new layer, the extruded filament tends to curl up as it moves from section to section. Even if you remove the right nozzle, if the one section has too much curing, the left nozzle can easily knock down your print or cause everything to shift.

You can also use the Z-Hop option but this will increase your print time.


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