Printing a part with a strong magnet. Print head fan fails.
 
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Sitcom8978
(@sitcom8978)
Member
Printing a part with a strong magnet. Print head fan fails.

Hi! Any idea how to overcome this issue?

I'm trying to print a magnetic cup holder. After the print pauses and I insert the magnet I cant get it to continue because the print head fan stops when it passes over the magnet and the Prusa Mk4 throws an error and stops. I'm sure the BLDC fan motor cant overcome the strong N48 magnet.

Posted : 05/11/2023 7:44 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Printing a part with a strong magnet. Print head fan fails.

Can you turn fan monitoring off, in the LCD Menu? 
Not ideal, but may get you over this print. 

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

Posted : 05/11/2023 7:57 pm
Sitcom8978
(@sitcom8978)
Member
Topic starter answered:
RE: Printing a part with a strong magnet. Print head fan fails.

Turning the fan monitoring off did allow me to get though it however without the fans functioning as intended the print is unusable after I continue it. I'll need to split this into 2 separate parts and glue them after.

Posted : 08/11/2023 11:32 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Printing a part with a strong magnet. Print head fan fails.

Can you cut a magnet shaped core out of the model rather than splitting the model, so that the outside remains un damaged, then install the magnet and a printed core filler, to hold the magnet in place?

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

Posted : 09/11/2023 2:03 am
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