Has anyone ever printed Ferro magnetic PLA (blackmagic3d.com) - I need help

[EMDL 0]

Printing core suggestions needed

[kmanstudios 1,120]

That would depend on the printer. If you put your printer information in your profile, it makes it easier.

At least in the description.

[EMDL 0]

I am using an UM 3 with a 0.8 mm core. I will upload the pictures  , I am having some issues with air-gaps between layers.

[DidierKlein 729]

Air gaps is called under extrusion and can be caused by many things

Speeds, low printing temps, inconsistent filament etc...

[kmanstudios 1,120]

If it is ferro magnetic, it has to be abrasive as heck. And metal fills present their own challenges. under extrusion is also a problem as the heat transfers faster and higher up the filament and can cause clogs that cause it to have difficulty passing the filament through.

[ultiarjan 1,223]

On 5-12-2017 at 6:52 PM, EMDL said:

Printing core suggestions needed

 

As mentioned the metal particles will kill your CORE nozzle quickly.

Unfortunately Ultimaker does not have any solution on the market for this atm. I hope they someday will bring us a 0.6 RUBY CORE.

 

For now the only solution for the UM3 comes from 3DSolex, with the "everlasting" nozzle ( lol, I would not take that literally ) 

http://3dsolex.com/product/um3-hardcore/

http://3dsolex.com/product/everlast-hardcore-nozzles/

 

I have not tried the "everlast" myself, but as said it's the only UM3 option atm.  For now the best/cheapest option is printing abrasives on an Ultimaker2. Here you have the option to simply throw away the worn out brass nozzle, or get a RUBY  nozzle; http://olssonruby.com/