On 2020-07-17 23:03, Gene Heskett wrote:
What I've found on the web seems to say that black
PLA needs more heat for normal stuff and even more for starter
adhesion.
I use a fair amount of black PLA+, and run my Anet A8 at 225 nozzle, 60
bed. I have found some variation in temperature for different colours,
but nothing that would cause problems here (black, white, red, blue).
Note this is PLA+ rather than straight PLA, but other users I talk to
seem to have success with PLA and pretty much the same temperatures.
I gave up on rafts: too much cleaning up after the print has finished. I
use a glass bed (attached with crocodile clips) and lay down a coat of
strong PVA glue, mixed 3 parts glue to 1 part water. Then I use a brim,
one layer high. Works a treat. In fact it takes a bit of knocking to get
it off the glass (run it under hot water, and swipe the brim layer with
a large kitchen knife. The same glue works just fine with the aluminium
plate bed.
The Anet is basically the same as the Ender, but cheaper (and probably
not as refined).
My nozzle is 0.1mm (4 thou) off the bed at Home.
Large prints can take a long time, but I notice that a low infill
percentage still provides decent strength for most jobs, and speeds
things up. I usually print at 0.2mm layer height, unless I need fine
detail. That keeps run times a little shorter.
Other users report that the best prints seem to occur when the ambient
temperature in the room is high. I print in a cold room (big garage),
but PLA doesn't seem to mind. I think ABS would.
Marcus
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