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Nozzle temp during printing  

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3DBastler
(@3dbastler)
Eminent Member
Nozzle temp during printing

Today I made my first prints with my preassembled MK2s and run into a question:
My nozzle temp is sweeping during the print round about +/- 3°C.
Is this a normal MK2 behaviour?

Respondido : 15/04/2017 6:24 pm
SkynetCH
(@skynetch)
Active Member
Re: Nozzle temp during printing

I just built my MK2s a few days ago. I'm using a 40mm noctua fan instead of the stock fan and an e3d silicon sock. I have the same behavior my nozzle temp is +/- 3 deg. I guess it's normal.

Respondido : 15/04/2017 8:19 pm
JeffJordan
(@jeffjordan)
Miembro Moderator
Re: Nozzle temp during printing


with an uncalibrated kit/printer, this is quite normal. but:
💡
you can improve this behaviour by calibrating the pid parameters for the hotend (and the heatbed as well).
have a look at this thread.

afterwards your temperature should be "rock stable" (and way below +/- 1°C deviation during the print).

dem inscheniör is' nix zu schwör...

Respondido : 15/04/2017 8:26 pm
SkynetCH
(@skynetch)
Active Member
Re: Nozzle temp during printing


with an uncalibrated kit/printer, this is quite normal. but:
💡
you can improve this behaviour by calibrating the pid parameters for the hotend (and the heatbed as well).
have a look at this thread.

afterwards your temperature should be "rock stable" (and way below +/- 1°C deviation during the print).

Thank you very much for pointing this out ! I was not aware than you can do PID tuning on the prusa as well, going to test it tomorrow ! so far I've only tuned PID loops on my mini racing quads 🙂

Respondido : 16/04/2017 1:12 am
3DBastler
(@3dbastler)
Eminent Member
Topic starter answered:
Re: Nozzle temp during printing

with an uncalibrated kit/printer, this is quite normal.

I thought that a preassembled one would be calibrated as good as possible
but seems I'm wrong with that idea.
Thx for the link Jeff.

Respondido : 16/04/2017 10:50 am
JeffJordan
(@jeffjordan)
Miembro Moderator
Re: Nozzle temp during printing

...I thought that a preassembled one would be calibrated as good as possible...this would require an individual calibration for each printer... which will take a few minutes more of time.
and as you know, in business: time is money.

dem inscheniör is' nix zu schwör...

Respondido : 16/04/2017 12:13 pm
PJR
 PJR
(@pjr)
Antient Member Moderator
Re: Nozzle temp during printing

this would require an individual calibration for each printer...

Not only that, but this type of calibration needs to be carried out in the environment where the printer will be used. Not really possible.

Peter

Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage…

Respondido : 16/04/2017 12:40 pm
3DBastler
(@3dbastler)
Eminent Member
Topic starter answered:
Re: Nozzle temp during printing

'Problem' solved by following the instructions given inside the link above.
Danke!

Respondido : 16/04/2017 4:31 pm
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