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Ch 14Note

Tuning log

Note · Chapter 14 — Calibration and tuning

Fill this in as you go — one row per change, both of you initialling. This is the record that makes the next tuning session cheap, and the thing you check first when a print goes wrong three months from now.

Date What Value set How measured Result / notes By
Bed PID @ 100 °C Kp ___ Ki ___ Kd ___ PID_CALIBRATE + SAVE_CONFIG holds ±___ °C
Hotend PID @ 245 °C Kp ___ Ki ___ Kd ___ PID_CALIBRATE, fans 25 % holds ±___ °C
A belt tension ___ Hz 150 mm span, ___ app
B belt tension ___ Hz 150 mm span, ___ app
Z belts (4) ___ / ___ / ___ / ___ Hz 150 mm, top belt clip to Z idler centre
Z joints locked hot (14.6) soak ___ min, chamber ___ °C QGL ×___ runs, square OK QGL after: ___ retries
PROBE_ACCURACY σ ___ mm hot, soaked ___ min target < 0.003
rotation_distance 13.40: ______ → 14.7: ______ 100 mm extrude, actual ___ mm within 0.5 %?
Chamber soak ___ °C in ___ min chamber_temp, panels + door on
Cube X / Y / Z (Voron) ___ / ___ / ___ mm caliper, mid-height vs Prusa: ___ / ___ / ___
shaper_type_x / freq ______ / ___ Hz SHAPER_CALIBRATE vibrations ___ %, smoothing ___
shaper_type_y / freq ______ / ___ Hz SHAPER_CALIBRATE vibrations ___ %, smoothing ___
max_accel ______ mm/s² lower of the two suggestions, minus margin
Pressure advance (ASA) ______ Ellis pattern, ___ to ___ step ___
Extrusion multiplier (ASA) ___ % Ellis 30×30×3 cubes, centre of the top surface by eye top smooth, no gaps, no ridging?
Z offset (final) position_endstop ______ Z_OFFSET_APPLY_ENDSTOP
Bed mesh variance ___ mm BED_MESH_CALIBRATE, hot
Part H: ASA soak with the housing (14.34) ___ °C in ___ min chamber_temp, bed 110, ceiling 0 still 50–60 °C?
Part H: fan stop at ceiling 45 (14.34) ___ °C bed off, chamber_temp 43 ±1.5?
Part H: PLA under a 35 ceiling (14.36) ___ to ___ °C every 15 min, door shut fan on at ___ of ___ readings