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Olsson Block Help


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Posted (edited) · Olsson Block Help

We have an UM2. I finally upgraded the hot block to an Olsson hot block and Micro Swiss Wear Resistant Nozzle.

 

 

Of course, now the UM2 and I look like we both forgot how to print things.

 

I had to raise the temp to print PLA. Is this normal?

 

PETG is making me lose my mind.

 

I used to get good prints like this.

 

petg5.thumb.PNG.3241748bdb4e07037c60919fdd1c93fd.PNG

 

Now it looks like this

 

petg6.thumb.PNG.988d3443ab9cbba186f67f7f6cbcf444.PNG

 

It is hard to see, but the hairs and bumpy surface happen where the "base" of the part stops and the "walls" start.

 

petg7.thumb.PNG.a2e26106de944468d873c4376d882175.PNG

 

It is easier to see this on this larger part.

 

2127691619_petg1.thumb.PNG.1120d3a5f16dae7c2ba403a52e655de1.PNG

 

petg2.thumb.PNG.c15511e5d235284faaccd4452e0bf80b.PNG

 

Here is a section view.

 

petg3.thumb.PNG.e1d103746a37f86d3e31f3d2f4e9929a.PNG

 

I am using Simplify 3D and always have. Same materials. 

 

I didn't change any of the settings during this print.

 

This artifact does not align with the layer that the fans start (50%).

 

 

Any ideas??? Please and thanks.

 

 

Also, I was getting temp errors so I wrapped up the hot block in ceramic wool. Is that normal?

 

1783803030_petg8.PNG.47e8c74ce3f1a68111a49eeefea0fe15.PNG

 

 

 

Is there a magic nozzle that doesn't stick to PETG?

 

petg9.PNG.d2a78ac9606bed203e835e9b1df56558.PNG

Gross.

 

 

 

 

 

 

Edited by BrayChristopher
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    Posted · Olsson Block Help

    What kind of nozzles are you using?

     

    I had to up the tempurature a bit on my 3dsolenx block to acheive the same quality as I was getting on my stock block.

     

    Also, have you tightened the nozzle to spec while warm, then done a bed leveling?

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    Posted · Olsson Block Help

    I am using the  Micro Swiss Wear Resistant Nozzle, which is a brass nozzle with nickel composite coating.

     

    I did re-level the bed.

     

    I did not tighten the nozzle while it was hot.

     

    Bed adhesion doesn't seem to be the problem. 

     

    And I am not getting any leakage between the nozzle and the Olsson block.

     

     

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    Posted · Olsson Block Help

    Sorry, I cannot Help more, I only gave from my limited experience. My only suggestion is that now you need to figure out the temps again. try a heat tower, see if that helps selecting the best temp?

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    Posted · Olsson Block Help

    In case anyone was wondering, it seems that canola oil has solved my problems... for now. 

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