D3D Automatic Bed Leveling: Difference between revisions
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*Lulzbot Cura initialization file used - [[File:D3DLulzbotCura.ini]] | *Lulzbot Cura initialization file used - [[File:D3DLulzbotCura.ini]] | ||
*See instructable on auto bed level - [http://www.instructables.com/id/Enable-Auto-Leveling-for-your-3D-Printer-Marlin-Fi/] - it says to use G92 to implmement the z offset correction. | *See instructable on auto bed level - [http://www.instructables.com/id/Enable-Auto-Leveling-for-your-3D-Printer-Marlin-Fi/] - it says to use G92 to implmement the z offset correction. | ||
*What is the difference between G92 | *What is the difference between G92 Z-1 and M851 Z-1 and M206 Z-1? | ||
:*See [[Marlin Gcodes]] | :*See [[Marlin Gcodes]] | ||
*Marlin_main.cpp is main code | *Marlin_main.cpp is main code | ||
Revision as of 21:33, 16 June 2017
Intro
- D3D Marlin covers code up to calibration.
- Code works for following the 3D printer - such as Yousef's twisted axis.
- Initial code used - April 29 - see April 29 version of D3D Marlin.
- Lulzbot Cura initialization file used - File:D3DLulzbotCura.ini
- See instructable on auto bed level - [1] - it says to use G92 to implmement the z offset correction.
- What is the difference between G92 Z-1 and M851 Z-1 and M206 Z-1?
- See Marlin Gcodes
- Marlin_main.cpp is main code
Action
- Diable EEPROM - it could be storing one value and never updating from print to print. [2]
- V Set the verbose level (0-4). Example: "G29 V3"
- Try Mattercontrol software [3]
- Check usign G1 Z0 command to see where the print will actually start printing - it should go to the first layer height set by the probe. - comment by Martin at [4]
- Contact Ryan Lutz at Matterhackers - see leveling troubleshooting - [5]
- Probe starting in the center. Find the center coordinate after zeroing. There may be weird things happening when probing is too close to edge (30mm or less) [6]
- As the last step in start gcode - move bed to required height, while leaving firmwar offset zero[7]:
G21; set mm units G92 E0; reset extruder distance G90; set absolute coordinates G28; home all axes G1 Z5; lower platform 5mm to clear bed in case of improper leveling G1 X100 Y100 F3000; move extruder over bed center M104 S195; set extruder temp to 195°C and start heating M301 P39.04 I2.55 D149.66; Set PID for 195°C M109 S195; wait for target extruder temp to be reached G1 Z[first_layer_height]; Move Z to first layer height.
- This one also says you need to change the Z axis microsteps?? - [8]
- Another start gcode - [9]
M104 S[first_layer_temperature_0] ;set extruder temp and start heating G28 X0 Y0 ;home X and Y G29 ;probe bed G90; set absolute coordinates G92 E0; reset extruder distance G1 Z5 F300 ;move platform down 5mm G1 X145 Y145 F3000 ; move to back right corner
- Does it matter if you do G28 X0 Y0 Z0 in one line vs setting G28 Z0 in a separate line? [10]
Useful Links
- Actual explanation, but for manual bed level - [11]