My first hotend jamb December 04, 2015 05:07PM |
Registered: 9 years ago Posts: 100 |
When I next checked on the print, there should have been several layers completed, instead I found this, so I cancelled. | |
Removing the hotend you can see the plastic has melted the whole length of the heat break... | |
...and even back into the extruder. | |
This time (rather than completely dismantle the hotend), I put it in the oven at 80C for 15 mins, then was able to tug the blockage out of the hotend with small pliers. Now I have no experience with hotend jambs, but that looks to me as though the heat break has failed somehow, either that or it is normal for a jamb to cause heat to propagate back up the heat break? |
Re: My first hotend jamb December 04, 2015 06:34PM |
Admin Registered: 17 years ago Posts: 7,879 |
Re: My first hotend jamb December 05, 2015 06:01AM |
Registered: 9 years ago Posts: 100 |
Re: My first hotend jamb December 05, 2015 08:56AM |
Admin Registered: 17 years ago Posts: 7,879 |
Re: My first hotend jamb December 05, 2015 12:11PM |
Registered: 9 years ago Posts: 100 |
Re: My first hotend jamb December 06, 2015 05:50AM |
Registered: 10 years ago Posts: 541 |
M190 S40 ; pre-heat bed M104 S185 ; set extruder temp M190 S70 ; set bed temp & wait M109 S185 ; wait for extruder tempI am careful about not abusing my hotend and have not suffered a single jam in over two years of printing on my Mendel90.
Re: My first hotend jamb December 06, 2015 09:53AM |
Registered: 9 years ago Posts: 100 |