Move out of range! but i have mesh loaded!

General Discussion
1

I have big problem with Z i don’t want put negative values on position_min because i have a mesh of the bed!
Can any one help me?
klippy.log (1.2 MB)

Cura gcode:
Start:
;M201 X500.00 Y500.00 Z100.00 E5000.00 ;Setup machine max acceleration

;M203 X500.00 Y500.00 Z10.00 E50.00 ;Setup machine max feedrate

M204 P500.00 R1000.00 T500.00 ;Setup Print/Retract/Travel acceleration

;M205 X8.00 Y8.00 Z0.40 E5.00 ;Setup Jerk

M220 S100 ;Reset Feedrate

M221 S100 ;Reset Flowrate

G28 ;Home

;M420 S1 Z2 ;Enable ABL using saved Mesh and Fade Height

BED_MESH_PROFILE LOAD=“default” ;klipper

G92 E0 ;Reset Extruder

G1 Z2.0 F3000 ;Move Z Axis up

;G1 X10.1 Y20 Z0.28 F5000.0 ;Move to start position

G1 X2 Y2 Z0.28 F5000.0 ;Move to start position

;G1 X10.1 Y200.0 Z0.28 F1500.0 E15 ;Draw the first line

G1 X2.1 Y200.0 Z0.28 F1500.0 E15 ;Draw the first line

;G1 X10.4 Y200.0 Z0.28 F5000.0 ;Move to side a little

G1 X2.4 Y200.0 Z0.28 F5000.0 ;Move to side a little

;G1 X10.4 Y20 Z0.28 F1500.0 E30 ;Draw the second line

G1 X2.4 Y2 Z0.28 F1500.0 E30 ;Draw the second line

G92 E0 ;Reset Extruder

G1 Z2.0 F3000 ;Move Z Axis up

END:
G91 ;Relative positioning

G1 E-2 F2700 ;Retract a bit

G1 E-2 Z0.2 F2400 ;Retract and raise Z

G1 X5 Y5 F3000 ;Wipe out

G1 Z10 ;Raise Z more

G90 ;Absolute positioning

G1 X{machine_width} Y{machine_depth} ;Present print

M106 S0 ;Turn-off fan

M104 S0 ;Turn-off hotend

M140 S0 ;Turn-off bed

M84 X Y E ;Disable all steppers but Z

2

Use position_min: -3 . Your bed mesh is falling below Z=0 and that’s why you get “out of range”.

3

Bed mesh is not a virtual bed?
Why the machine don’t change 0 of Z next move to XY coordinates of mesh bed?
Negative position_min is not dangerous?
mesh is useless ?

4

Mesh is just a map of hills and valleys. Some valleys are under 0 because you bed isn’t perfectly flat. Negative position is not dangerous as long as you don’t try deliberate to move your Z under 0 but it’s necessary as a buffer for mesh.

2 Likes
5

i know , but “I have big problem with Z i don’t want put negative values on position_min” is not possible?
Thank you anyway.

6

No, not possible. You need some head-room for the mesh also in the negative direction. How much depends on the quality of your bed and the respective deviations of the mesh.

1 Like
7

Thank you,
a lot of people and guides they explain the negative value on only for testing and next you need put only 0 because is dangerous have negative value!
I thought why are another way for work.