Ender 5 plus printing petg fast .
Hi , I've had problem printing PETG where I've had to slow it down to sub 50m/s to get it to print.
I've being using the default ender 3 setting for the hot end and printing at what it says I should print at 235c for PETG.
At 80m/s the layers wasn't sticking together , so started increasing the temp trying 245c ,250c , 255c and found that I needed 260c which is far too high for PETG.
So is the default ender 3 hot end wrong for the ender 5 plus ? , OR is the temperature dropping that much that I need the extra boost.
No problem with printing PLA at 195c - 205c , so the temperature can't be that far off.
its normal that petg needs to be printed a bit slower.
also depending on your petg it also need very little part cooling. to much and it can stop the layers from bonding.
Ender 5 uses the same hotend as the Ender 3 doesn't it? If so it's PTFE lined and 240°C is as high as you want to print.
PETg, does need more heat and 230°C should be fine, but less cooling than PLA.
Its normal that petg needs to be printed a bit slower.
A bit slower at 50/25 m/s more like stopped !!
The fan was switched off , but the ender's hot end fan acts as the good part cooler, At 235c zero layer bonding @ 80m/s.
If so it's PTFE lined and 240°C is as high as you want to print.
I am using a capricorn tubing so it should be o.k upto 300c
So if your canary pegs it , it may not be carbon monoxide then !!!!!
I don't have any pet birds?
that is to make you aware of the danger
You've both lost me, I know not to print with a PTFE lined hotend above 240, as I just said it. In fact I don't use PTFE lined hotends so no birds are dying because of me.
A Former User last edited by
PETG needs to be printed much slower, end of story, either put up with it or choose another material.
You've both lost me, I know not to print with a PTFE lined hotend above 240
See the safety link Veti posted. They have a chart and one of the tiers talks about small birds because of their sensitivity to toxins. This is why coal miners used canaries to detect the build up of toxic gases.
found that I needed 260c which is far too high for PETG.
Why do you say 260 is too high for PETG? IF you're really pushing the flow rate the filament melting will extract a lot of heat so upping the temp will compensate.
If you really want to know what your volumetric rate is for your setup, measure it. https://duet3d.dozuki.com/Guide/Ender+3+Pro+and+Duet+Maestro+Guide+Part+4:+Calibration/40#s165