Hey there,
I just build my printer, everything went well so far.
However, i finished calibrating the X and Y axis but i am having some trouble with the Z axis, the heating bed is not plane enough. the distances between the printing head and the heated bed are not even. the bed is a little curved.
please help.
thx
Many of us have experienced that.
First thing : don’t push on the bed to flatten it : you’ll break the thermistor.
Some tips to limit the problem :
Widen the holes on the aluminum bed plate to give more play to the screws holding the bed.
Stick a mirror on the bed plate.
After a few heating/cooling cycles the bed will flatten a bit.
Thank you with that. i kind of solves this problem by now.
i just tried to print for the first time, but the PLA comes out not constant. what can i do? higher temperature? and the plastic is not gripping right to the heated bed.
You can try to increase temperature to try if the PLA come out more constant.
About the bed, You can use a fine grit sand paper (400) to roughen up the surface.
i thought about increasing temp. but how much? from 190 to 200,210,220 degrees?
Normally with PLA 190° is enough. The usual range is between 180-200°. At 230° it begins burning.
The best way to get your first layer sticking is to increase the filament flow : layer thickness 0.4 and first layer extrusion width 0.5 or 0.6 (if you use the percentages its dependent of the layer thickness eg 0.4x150%=0.6).
The surface of your bed must also be grease free.
Can you post some pictures of your prints?
You will need to put them on a free picture website and put the link up here.