Leakage between hot end and the bit above. help please.
Hi,
I am getting some molten plastic seeping from above the hot end.
It looks to be coming from where the hot end attaches to the heat brake (if that's the right term).
I've taken it apart and tried to slightly tighten this, but still seeping.
Any help and suggestions would be greatly appreciated!
Ta
Best Answer by JoanTabb:
Did this happen after a nozzle change?
If so, was the nozzle genuine E3Dv6 nozzle or clone,
do you have another new nozzle?
if you have used a genuine nozzle, then the heat break has backed off, the nozzle is tightened against the heatbreak and there is a gap between the screw threaded part of the nozzle and the screw threaded part of the heatbreak, inside the heater block
the image above may help describe the issue!
here is a knowledge base article on changing the nozzle.
I believe you need to disassemble the hot end assembly and clean up all of the parts before re assembling.
the filament will act like glue, when cold, so carefully disassemble whilst hot.
be very careful with the wires, (Especially the thermistor wires. )
you may consider ordering a replacement, and re conditioning this one at your leisure. for future use.
Or you may consider switching to a revo6 hot end, which has a completely different configuration, but is a drop in replacement
the Revo has a different heater and thermistor setup, which may be less of an issue in the future if you get a Blob of Doom!
ALSO, the Revo, has an integrated nozzle and heatbreak assembly, which should prevent this particular issue, ever happening again.
If you stay with the E3d V6, I suggest you consider getting spare heater and thermistor, so you have them on hand, when you damage what you have on the machine... (We all do it at some time! )
https://e3d-online.com/products/revo-six?_pos=3&_sid=79dc69e4d&_ss=r&variant=39800219238459
unfortunately the 24 volt revo6 is on Backorder from E3d...
However other companies may have stock
https://www.3djake.uk/e3d/revo-six
https://zaribo.com/hotends/589-5068-e3d-revo-6-six-24v-single-nozzle-3d-printer-hotend.html#/188-voltage-24v
https://zaribo.com/hotends/588-5070-e3d-revo-6-six-24v-fully-loaded-kit-3d-printer-hotend.html#/188-voltage-24v
in the diagram above the dimensions are shown for a genuine E3D v6 nozzle, some nozzles have a shorter threaded section, which wil cause a leak like you have
regards Joan
RE: Leakage between hot end and the bit above. help please.
Previous print was white, this print was orange.
Hope this will help.
Ta.
RE: Leakage between hot end and the bit above. help please.
Did this happen after a nozzle change?
If so, was the nozzle genuine E3Dv6 nozzle or clone,
do you have another new nozzle?
if you have used a genuine nozzle, then the heat break has backed off, the nozzle is tightened against the heatbreak and there is a gap between the screw threaded part of the nozzle and the screw threaded part of the heatbreak, inside the heater block
the image above may help describe the issue!
here is a knowledge base article on changing the nozzle.
I believe you need to disassemble the hot end assembly and clean up all of the parts before re assembling.
the filament will act like glue, when cold, so carefully disassemble whilst hot.
be very careful with the wires, (Especially the thermistor wires. )
you may consider ordering a replacement, and re conditioning this one at your leisure. for future use.
Or you may consider switching to a revo6 hot end, which has a completely different configuration, but is a drop in replacement
the Revo has a different heater and thermistor setup, which may be less of an issue in the future if you get a Blob of Doom!
ALSO, the Revo, has an integrated nozzle and heatbreak assembly, which should prevent this particular issue, ever happening again.
If you stay with the E3d V6, I suggest you consider getting spare heater and thermistor, so you have them on hand, when you damage what you have on the machine... (We all do it at some time! )
https://e3d-online.com/products/revo-six?_pos=3&_sid=79dc69e4d&_ss=r&variant=39800219238459
unfortunately the 24 volt revo6 is on Backorder from E3d...
However other companies may have stock
https://www.3djake.uk/e3d/revo-six
https://zaribo.com/hotends/589-5068-e3d-revo-6-six-24v-single-nozzle-3d-printer-hotend.html#/188-voltage-24v
https://zaribo.com/hotends/588-5070-e3d-revo-6-six-24v-fully-loaded-kit-3d-printer-hotend.html#/188-voltage-24v
in the diagram above the dimensions are shown for a genuine E3D v6 nozzle, some nozzles have a shorter threaded section, which wil cause a leak like you have
regards Joan
I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK
RE: Leakage between hot end and the bit above. help please.
That is a fantastic reply!
Thank you sooo much 😀
Yes, it started after a nozzle change, and whilst not genuine nozzles, i have used them before with no issue.
Although thinking about it, this was a new one so i guess there could be manufacturing tolerance issues.
I assume that the hot end and heat break are a regular screw thread (righty tighty)?
Will give it a good cleanup, replace the nozzle (got an E3D coated one somewhere!) and try again.
Once again, thank you for such an informative post 👍
RE: Leakage between hot end and the bit above. help please.
threads in the heatblock are standard M6 (rightytighty )
you can use an M6Tap, to carefully clean the filament out of the heatblock threads
regards Joan
I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK
RE: Leakage between hot end and the bit above. help please.
you can use an M6Tap, to carefully clean the filament out of the heatblock threads
Handy tip for the next time I have to do this. Thanks.