diff options
| -rw-r--r-- | docs/Delta_Calibrate.md | 19 | ||||
| -rw-r--r-- | docs/Manual_Level.md | 6 | ||||
| -rw-r--r-- | docs/Probe_Calibrate.md | 15 |
3 files changed, 40 insertions, 0 deletions
diff --git a/docs/Delta_Calibrate.md b/docs/Delta_Calibrate.md index 7eb6ec1b..023e6865 100644 --- a/docs/Delta_Calibrate.md +++ b/docs/Delta_Calibrate.md @@ -30,6 +30,13 @@ automatic probe has a bias of more than 25 microns (.025mm) then use manual probing instead. Manual probing only takes a few minutes and it eliminates error introduced by the probe. +If using a probe that is mounted on the side of the hotend (that is, +it has an X or Y offset) then note that performing delta calibration +will invalidate the results of probe calibration. These types of +probes are rarely suitable for use on a delta (because minor effector +tilt will result in a probe location bias). If using the probe anyway, +then be sure to rerun probe calibration after any delta calibration. + Basic delta calibration ======================= @@ -228,3 +235,15 @@ Additional notes errors elsewhere in the hardware. For example, small differences in arm length may result in a tilt to the effector and some of that tilt may be accounted for by adjusting the arm length parameters. + +Using Bed Mesh on a Delta +========================= + +It is possible to use [bed mesh](Bed_Mesh.md) on a delta. However, it +is important to obtain good delta calibration prior to enabling a bed +mesh. Running bed mesh with poor delta calibration will result in +confusing and poor results. + +Note that performing delta calibration will invalidate any previously +obtained bed mesh. After performing a new delta calibration be sure to +rerun BED_MESH_CALIBRATE. diff --git a/docs/Manual_Level.md b/docs/Manual_Level.md index 38327c97..3ae75447 100644 --- a/docs/Manual_Level.md +++ b/docs/Manual_Level.md @@ -185,3 +185,9 @@ This means that: Repeat the process several times until you get a good level bed - normally when all adjustments are below 6 minutes. + +If using a probe that is mounted on the side of the hotend (that is, +it has an X or Y offset) then note that adjusting the bed tilt will +invalidate any previous probe calibration that was performed with a +tilted bed. Be sure to run [probe calibration](Probe_Calibrate.md) +after the bed screws have been adjusted. diff --git a/docs/Probe_Calibrate.md b/docs/Probe_Calibrate.md index f7e62b4c..5ec06bda 100644 --- a/docs/Probe_Calibrate.md +++ b/docs/Probe_Calibrate.md @@ -70,6 +70,21 @@ results to the config file with: SAVE_CONFIG ``` +Note that if a change is made to the printer's motion system, hotend +position, or probe location then it will invalidate the results of +PROBE_CALIBRATE. + +If the probe has an X or Y offset and the bed tilt is changed (eg, by +adjusting bed screws, running DELTA_CALIBRATE, running Z_TILT_ADJUST, +running QUAD_GANTRY_LEVEL, or similar) then it will invalidate the +results of PROBE_CALIBRATE. After making any of the above adjustments +it will be necessary to run PROBE_CALIBRATE again. + +If the results of PROBE_CALIBRATE are invalidated, then any previous +[bed mesh](Bed_Mesh.md) results that were obtained using the probe are +also invalidated - it will be necessary to rerun BED_MESH_CALIBRATE +after recalibrating the probe. + # Repeatability check After calibrating the probe X, Y, and Z offsets it is a good idea to |