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Ask help for leaning prints

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Posted · Ask help for leaning prints

Hello, everyone

I just got my Ultimaker 2 last week.

I have got some leaning prints, as see in the picture:

ultimaker2_bad.thumb.JPG.b40a807a6975ace7bd1a2c96dcb4c255.JPG

And I also get some good ones:

ultimaker2_good.thumb.JPG.cf6b438ccd562a9467c4365445f7aacf.JPG

What confused me is that I can print cube (show in the picture) successfully just after printing a leaning one, without any adjusting.

Here are some more information:

The leaning problem only occurred on the direction from back of UM2 to front, or from front to the back.

I'm using Cura 15.02.1, with the latest firmware.

I'm using "Normal print" quickprint profile.

I'm using windows 8.1 x64.

Any comments are welcome, thanks.

ultimaker2_bad.thumb.JPG.b40a807a6975ace7bd1a2c96dcb4c255.JPG

ultimaker2_good.thumb.JPG.cf6b438ccd562a9467c4365445f7aacf.JPG

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Posted · Ask help for leaning prints

This looks like a mechanical issue. You have something loose, and it get tightened after printing once, then probably loosens again afterwards.

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Posted · Ask help for leaning prints

@danilius

So how can I known which part is loose?

If the belt is loose, I don't think it can be tightened after printing.

Thanks.

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Posted · Ask help for leaning prints

Thanks, @labern

I'm trying to fix this problem according your link.

And will give feedback after testing.

Another thing I want to mention here is that the screws of UM2 are really low-quality.

It's easy to slip when using hex wrenches (the edges are scuffed), and I'm doubting whether the screws are able to loose again.

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Posted · Ask help for leaning prints

Yes I agree that you need to be careful with the screws

The screws are not that bad but the allen keys that they supplied are low quality. dome head screws tend to strip easily as the hexagon hole isn't very deep so care needs to be taken.

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Posted · Ask help for leaning prints

@labern

Nice to see you online.

I have tried to open the extruder, but failed due to three of the four screws stripping.

Maybe need to buy some good ones to replace original ones, but don't know where to buy:angry:

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Posted · Ask help for leaning prints

Yeah I grabbed a few spares from work :p

there should be a good fastener store in your area

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Posted · Ask help for leaning prints

Try using a Torx-driver instead, it grabs the screws fairly tightly even if they have been damaged.

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Posted · Ask help for leaning prints
Try using a Torx-driver instead, it grabs the screws fairly tightly even if they have been damaged.

Thanks, I will try this.

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Posted · Ask help for leaning prints

Wow that's a nice print. Glad it's all going good now. You will be pleased

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