3d prints layer separation

You say you've replaced the nozzle. Have you replaced the actual hot end? It sounds like the temperature of the filament isn't right. Perhaps that's the cause. They're pretty cheap and easy to change.
 
Ha ha funny you should say that because I have just got in from work and my wife has been looking up the problem. She said the exact same thing. I am just trying to increase the hot end temperature to see if it makes any difference but if it’s no good I guess it wont get any hotter. It’s set at 220 degrees now and first layer has stuck without glue . I will update when it gets further. Thanks again
 
Update. Print failed . Done bottom layers then just started missing bits so just a mess. Will look into new hot end . Thanks again
 
Hi again. Just to update the problem was a blockage between the boden tube and the nozzle inside the hot end itself. Funny enough the only part I did not replace. After all your advice I found a YouTube video on fixing crunchy prints and the guy says it is almost always an extrusion issue , so I stripped it down and luckily there it was. Thanks again for all replies and advice. One last thing , do I have to mark this thread as solved?.
 
ccc100 said:
Hi again. Just to update the problem was a blockage between the boden tube and the nozzle inside the hot end itself. Funny enough the only part I did not replace. After all your advice I found a YouTube video on fixing crunchy prints and the guy says it is almost always an extrusion issue , so I stripped it down and luckily there it was. Thanks again for all replies and advice. One last thing , do I have to mark this thread as solved?.
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This is interesting. I am now wondering if I have a similar issue. Everything was fine and then suddenly it wasn’t. I have cleaned the nozzle and calibrated the PID and calibrated the extruder. Still no joy. Occasionally I hear the extruder clicking. Is it possible to get a blockage between the hole where the filament feeds into the system and the nozzle.
 
Rockface said:
This is interesting. I am now wondering if I have a similar issue. Everything was fine and then suddenly it wasn’t. I have cleaned the nozzle and calibrated the PID and calibrated the extruder. Still no joy. Occasionally I hear the extruder clicking. Is it possible to get a blockage between the hole where the filament feeds into the system and the nozzle.
Click to expand...
Hi there
Sounds like you could have the same problem I had . The clicking extruder could be where the filament can’t get through so the gears are grinding. I removed my boden tube from the top of the hot end and the nozzle so leaving just the hot block,then I heated it up to 200 degrees and used an Allen key to push the blockage through. Just beware the block is hot so the Allen key will heat up , I just put a rag over it and slowly pushed and the blockage came out. Good luck hope this helps.
 
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