Print failure when printing vertical columns?

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Print failure when printing vertical columns?

Postby jjenco » Sun Jun 24, 2018 9:25 pm

Okay, so I designed this prototype that could generally be described as a 7" tall vertical hollow column with several proprietary features. I have tried to print it twice on my Rostock MAX v2 w/ upgraded 280 print head. Other smaller (shorter) pieces seem to print fine. I'm printing Carbon Fiber PLA. The print job is set to 'Stardard' and still calcs out at around 19 hours and change to complete.

In both cases, when I check the print job first thing in the morning after printing all night, I find the print head stalled at a completed height of 3-4 inches. The print head and bed have returned to ambient temperature and the print head is stuck on the top of piece where it stopped. I have to reheat the head in order to free it.

First question, what the heck is going on? I've never had this happen before, but then I've never tried printing a piece that took this long either. At first, I thought it might have something to do with a 'middle of the night' software update, so I turned off my network connection for the second attempt but it still failed sometime during the night.

Second question, at present I have a 3-inch tall semi-completed piece on the bed. Is there a way to have the printer pickup where it left off and complete the piece? I figure this piece has about 9 hours of effort into it already.

Sorry that i can't post a picture but any help would be appreciated.



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