During printing the bowden tube is moving in a circular motion back and forth... the coupling can hold the bowden tube when you lift it, but when you make circular motion with it, the coupling will slip. Some couplings are better than others.
Did you use a coupling clip?
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jeroenelectrum 1
At this point i am printing a new print 14 hour. We are over halfway. And no failure
i put another coupling on the bowden tube by the feeder
so if this is the problem Ihad 2 bad couplings in my upgrade kit ☹️☹️
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gr5 2,224
Anytime your bowden slips out like that you should also cut off 3mm from the end of the bowden so that the collet can bite into fresh bowden. I know you replaced the bowden which is just as good.
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