Tell me how to change nozzle AA and BB during printing process

[xuyao 0]

Hi, I am a newer with ultimaker 3. I just confused why it can change 2 nozzle during printing. They have a patent or something? could you share it to me? And the different between nozzle AA and BB is geometer. what kind of geometer that I cannot find in its website.

Thank!

[gr5 2,271]

I don't understand the question.  Do you want to change one of the core's during a print?  Or do you want to change the nozzle on the core (not during a print)?

 

The AA core is slightly better at not leaking.  The BB core doesn't have a crack for the PVA to caramelize in.

 

 

[xuyao 0]

20 minutes ago, gr5 said:

I don't understand the question.  Do you want to change one of the core's during a print?  Or do you want to change the nozzle on the core (not during a print)?

 

The AA core is slightly better at not leaking.  The BB core doesn't have a crack for the PVA to caramelize in.

 

 

so where do you find this picture about the difference between AA and BB?I can’t find it at the official website.

Thank you.