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z_thermal_adjust: Add Z thermal adjuster module (#4157)

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Use a frame-coupled temperature probe to compensate for thermal
expansion in real-time.

Signed-off by: Robert Pazdzior <robertp@norbital.com>
This commit is contained in:
alchemyEngine
2022-09-25 18:39:14 +02:00
committed by GitHub
parent 51da02b7f8
commit 34870d3e2a
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18
docs/G-Codes.md
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@@ -1281,6 +1281,24 @@ print.
#### SDCARD_RESET_FILE
`SDCARD_RESET_FILE`: Unload file and clear SD state.
### [z_thermal_adjust]
The following commands are available when the
[z_thermal_adjust config section](Config_Reference.md#z_thermal_adjust)
is enabled.
#### SET_Z_THERMAL_ADJUST
`SET_Z_THERMAL_ADJUST [ENABLE=<0:1>] [TEMP_COEFF=<value>] [REF_TEMP=<value>]`:
Enable or disable the Z thermal adjustment with `ENABLE`. Disabling does not
remove any adjustment already applied, but will freeze the current adjustment
value - this prevents potentially unsafe downward Z movement. Re-enabling can
potentially cause upward tool movement as the adjustment is updated and applied.
`TEMP_COEFF` allows run-time tuning of the adjustment temperature coefficient
(i.e. the `TEMP_COEFF` config parameter). `TEMP_COEFF` values are not saved to
the config. `REF_TEMP` manually overrides the reference temperature typically
set during homing (for use in e.g. non-standard homing routines) - will be reset
automatically upon homing.
### [z_tilt]
The following commands are available when the