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UM3E: Y-Axis Print Head Shaft Keeps Falling Out


jrubacha
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Posted · UM3E: Y-Axis Print Head Shaft Keeps Falling Out

Over the past few days I've had a new issue with my machine. During a print with CPE and standard UM print core (AA 0.4), the y-axis print head shaft fell out during the print. (This happened when the print was about two inches off the bed).

 

I popped the shaft back in and did some basic diagnostics and everything seemed to be fine. I did some test prints and sat and watched and everything was good.

 

Later, I switched over to a 3d Solex printcore (so I could print nylonx) and did more test prints. Everything was good. So I let the machine go for another print job and went about my business.

 

Naturally, sometime during the print (about 1 cm off the bed) the same thing happened and the shaft popped out of the front and back brackets.

 

So I fixed it. Again. This time, I was going to watch the print and see what happened if it happened. Of course, the minute I take a bathroom break, it pops out again.

 

I have no idea what's going on. I've had the printer for three years and this is the first real issue I've had.

 

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    Posted · UM3E: Y-Axis Print Head Shaft Keeps Falling Out

    Check if you have any cracks in your sliding blocks. If you do, there's the reason. Your nearest reseller should either have them or be able to get them for you. They're inexpensive, but it's a bit of a pain to do the swap.

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