ASA at the limits
I am trying to print a relatively large part (19 cm high by 20 cm wide by 10 cm deep), that needs to be relatively strong (25% in-fill), out of ASA (Filamentum) on my MK4. I have printed successfully with ASA before, but not such a large part and not with so much in-fill; the trick to avoid the print warping away from the heat-bed has always been to max the heat-bed temperature out at 120 C for the first layer, 95 C thereafter, and of course to have the printer inside an enclosure. That wasn't sufficient in this case: by about 5 cm up the print had warped away from the heat-bed at the edges and so failed.
However, I have now tried the ultimate: Pritt-stick on the heat-bed before printing. It turns out that the warping power of ASA is SO strong that it pulls the magnetic sheet away from the bed: the print got further, 7 cm up this time, and is still attached to the heat-bed, but the PE sheet came with it and the print failed.
What are my options to make this work?
RE: ASA at the limits
Oops, wrong forum, moving to the right one...
RE: ASA at the limits
It turns out that the warping power of ASA is SO strong that it pulls the magnetic sheet away from the bed
This is not with a Prusa printer, but I had a similar issue with a large flat piece warping and breaking away from the build plate.
I applied a liberal dose of Layerneer to try to nail it down to the build plate and the print actually cracked instead of pulling away. It had finished with the flat part of the print and was working on the upper details. This was on a borosilicate glass build plate.
The 'crack' sound was so loud that I heard it from two rooms away.
