Bed correction problem on CoreXY
Hi there
I'm seeing the following problem on my CoreXY printer after doing a G32 S2 and then G33 (Assuming this is the correct method ?)
When printing a block of X 10mm, Y 50mm and Z 2mm:
the edges of the first layer prints fine and flat on the bed, but when starting the infill between the edges of the first layer,
it lifts the Z-axis around the center (with X=5mm)
Like below "shape" where F is flat to the bed, L is slightly lifted, and H is high
FFFFF
FFLFF
FLHLF
FLHLF
FLHLF
FLHLF
FLHLF
FFLFF
FFFFF
The measurement of the bed seems OK with roughly 0,7mm lift in the middle compared to the edges of the bed which is 400x400mm.
And the grid i use is 5x5 over the entire bed
With G33 L0 the grid shown corresponds with the roughly 0,7mm max difference in height
Any ideas as to why it lifts up in the middle of the infill on the first layer ?
Second layer seems fine/better
Best regards
Claus Hansen
cstenager
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