Thanks guys,
I now have some success. I switched to a brass nozzle (even if it will break after a while). I have also increased the first layer height. It sticks better now, although at some points it just won't. I suspect that my heated bed is not entierly flat. Slowing the first layer is a good idea too. Gijs from colorFabb also suggested to increase flow to too. I'll try both and report back.
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neotko 1,417
Just wait for the new nozzle @anders-olsson it's making. With that the pain of stainless steel (for me at least) just went away.
Also it prints just fantastic in pla, heats like brass and deals with carbon filament (or abrasive ones) like if they where just normal filaments. It's worth the wait.
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mendells 55
I had a hard time getting XT-CF20 to stick to the bed. Try slowing your Bottom layer speed down (10-20mm/s) and changing the "Initial layer line width" to something like 120%. The XT filament is "sticky" and tends to want to stick to the nozzle itself so make sure its clean before you print.
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Labern 775
@Dim3nsioneer is correct, the nozzle takes a while to heat up, I normally go into tune and raise the nozzle temp as the bed is heating to make sure it's upto temp in time. And make sure the bottom layer speed is slow. Like 10-15mm/s
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