1 Topic by jon_bondy

  • jon_bondy
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Topic: repairing broken nut retainer under extruder

I wondered why the extruder had so much vertical play in the back, and come to discover that the part had cracked in half.  I have no idea if it cracked under use, and I just noticed it, or if I cracked it by over-enthusiastic tightening.  I'm trying to glue it now, but 1) the two parts did not mate perfectly to begin with, and 2) it is not an easy place to clamp. 

Anyone else run into this?  Any advice?  I would prefer to avoid getting an entire new carriage for this one issue, but it may come to that.

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2 Reply by pcpoirier

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Re: repairing broken nut retainer under extruder

Use this with a little modification.

http://www.soliforum.com/post/10683/#p10683

3 Reply by jon_bondy

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Re: repairing broken nut retainer under extruder

Thanks for the suggestion, but I'm not sure how your part would help.  Your part assumes that I have two holes where the bottom screw attaches your part to the rest of the assembly.  My problem is that one of those holes is broken.

4 Reply by jooshs

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Re: repairing broken nut retainer under extruder

Jon, is your other printer running?

5 Reply by pcpoirier

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Re: repairing broken nut retainer under extruder

I think that one tab would work with a locking nut on the missing side or glue the tab back on since the spring is doing most of  the work.

6 Reply by jon_bondy

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Re: repairing broken nut retainer under extruder

jooshs wrote:

Jon, is your other printer running?

Yes, it is...

7 Reply by jon_bondy

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Re: repairing broken nut retainer under extruder

jon_bondy wrote:

I'm trying to glue it now

The glue worked, but I've not tried a torture test on the glued joint.

8 Reply by jooshs

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Re: repairing broken nut retainer under extruder

I had to print a part that tied across to the front of the carriage because mine failed there too. If the glue doesn't hold on its own, let me know and ill send you the stl.

9 Reply by jon_bondy (edited by jon_bondy 2013-02-05 01:48:10)

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Re: repairing broken nut retainer under extruder

If you don't mind, please do post the part.  I reported this in part to get assistance, but also so that if someone encounters the problem going forward, they will have a solution in hand.  Solidoodle might also be excited to know how to fix problems like this short of actually replacing the entire carriage!

jooshs wrote:

I had to print a part that tied across to the front of the carriage because mine failed there too. If the glue doesn't hold on its own, let me know and ill send you the stl.

10 Reply by HelmutK

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Re: repairing broken nut retainer under extruder

jon_bondy wrote:

I wondered why the extruder had so much vertical play in the back, and come to discover that the part had cracked in half.  I have no idea if it cracked under use, and I just noticed it, or if I cracked it by over-enthusiastic tightening.  I'm trying to glue it now, but 1) the two parts did not mate perfectly to begin with, and 2) it is not an easy place to clamp. 

Anyone else run into this?  Any advice?  I would prefer to avoid getting an entire new carriage for this one issue, but it may come to that.

Yes. Same thing happened to me a few months back. Here is my post with picture of it...
http://www.soliforum.com/post/5627/#p5627

Mine was just cracked and not broken off and I used straight acetone to glue it and clamped it overnight. Been holding up fine up to now.