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---
tag: g033
title: Delta Auto Calibration
brief: Calibrate various Delta parameters
author: LVD-AC
contrib: thinkyhead
since: 1.1.0
requires: DELTA_AUTO_CALIBRATION
group: [ calibration, delta ]
codes: [ G33 ]
parameters:
-
tag: C
optional: true
description: If omitted iterations stop at best achievable precision. If set iterations will stop at the set precision.
values:
- type: float
-
tag: E
optional: true
description: Engage the probe for each point.
values:
- type: bool
-
tag: F
optional: true
description: Run ("force") this number of iterations and take the best result.
values:
- type: int
tag: 1-30
-
tag: P
optional: true
description: Number of probe points. If not specified, uses DELTA_CALIBRATION_DEFAULT_POINTS
values:
- type: int
-
tag: 0
description: Normalize end-stops and tower angle corrections only (no probing).
-
tag: 1
description: Probe center and set height only.
-
tag: 2
description: Probe center and towers. Set height, endstops, and delta radius.
-
tag: 3
description: Probe all positions - center, towers and opposite towers. Set all.
-
tag: 4-10
description: Probe all positions with intermediate locations, averaging them.
-
tag: T
optional: true
description: Disable tower angle corrections calibration (`P3`-`P7`)
values:
- type: bool
-
tag: V
optional: true
description: Set the verbose level
values:
- type: int
-
tag: 0
description: Dry run, no calibration
-
tag: 1
description: Report settings
-
tag: 2
description: Report settings and probe results
-
tag: 3
description: Report settings, probe results, and calibration results
-
default: 1
-
tag: O
optional: true
since: 2.0.9.2
description: Probe at probe-offset-relative positions instead of the required kinematic points.
values:
- type: bool
-
tag: R
optional: true
since: 2.0.9.2
description: Temporarily reduce the size of the probe grid by the specified amount.
values:
- type: float
notes:
examples:
-
pre: Default (Verbose 1)
code: |
G33
> G33 Auto Calibrate
> Checking... AC
> .Height:295.00 Ex:+0.00 Ey:+0.00 Ez:+0.00 Radius:100.00
> .Tower angle : Tx:+0.00 Ty:+0.00 Tz:+0.00
> Iteration : 01 std dev:2.665
> .Height:297.85 Ex:-0.18 Ey:-0.13 Ez:+0.00 Radius:100.68
> .Tower angle : Tx:-0.05 Ty:+0.08 Tz:+0.00
> Iteration : 02 std dev:0.128
> .Height:297.77 Ex:-0.19 Ey:-0.09 Ez:+0.00 Radius:100.80
> .Tower angle : Tx:-0.07 Ty:+0.15 Tz:+0.00
> Iteration : 03 std dev:0.025
> .Height:297.78 Ex:-0.17 Ey:-0.09 Ez:+0.00 Radius:100.78
> .Tower angle : Tx:-0.09 Ty:+0.20 Tz:+0.00
> Iteration : 04 std dev:0.022
> .Height:297.80 Ex:-0.14 Ey:-0.07 Ez:+0.00 Radius:100.79
> .Tower angle : Tx:-0.10 Ty:+0.22 Tz:+0.00
> Iteration : 05 std dev:0.019
> .Height:297.81 Ex:-0.13 Ey:-0.06 Ez:+0.00 Radius:100.80
> .Tower angle : Tx:-0.10 Ty:+0.25 Tz:+0.00
> Calibration OK rolling back.
> .Height:297.80 Ex:-0.14 Ey:-0.07 Ez:+0.00 Radius:100.79
> .Tower angle : Tx:-0.10 Ty:+0.22 Tz:+0.00
> Save with M500 and/or copy to Configuration.h
-
pre: Verbose 2
code: |
G33 V2
> G33 Auto Calibrate
> Checking... AC
> .Height:297.80 Ex:-0.14 Ey:-0.07 Ez:+0.00 Radius:100.79
> .Tower angle : Tx:-0.10 Ty:+0.22 Tz:+0.00
> . c:+0.01 x:+0.06 y:+0.04 z:+0.01
> . yz:-0.02 zx:-0.01 xy:+0.01
> Iteration : 01 std dev:0.028
> .Height:297.81 Ex:-0.10 Ey:-0.04 Ez:+0.00 Radius:100.81
> .Tower angle : Tx:-0.10 Ty:+0.24 Tz:+0.00
> . c:-0.03 x:-0.01 y:-0.02 z:-0.03
> . yz:-0.05 zx:-0.05 xy:-0.06
> Calibration OK rolling back.
> .Height:297.80 Ex:-0.14 Ey:-0.07 Ez:+0.00 Radius:100.79
> .Tower angle : Tx:-0.10 Ty:+0.22 Tz:+0.00
> Save with M500 and/or copy to Configuration.h
-
pre: Using `V0` for Dry Run with no calibration.
code: |
G33 V0
> G33 Auto Calibrate
> Checking... AC (DRY-RUN)
> .Height:295.00 Ex:+0.00 Ey:+0.00 Ez:+0.00 Radius:100.00
> .Tower angle : Tx:+0.00 Ty:+0.00 Tz:+0.00
> . c:-2.86 x:-2.68 y:-2.62 z:-2.56
> . yz:-2.55 zx:-2.61 xy:-2.78
> End DRY-RUN std dev:2.668
-
pre: Using the `T` flag for no tower angles.
code: |
G33 T
> G33 Auto Calibrate
> Checking... AC
> .Height:297.79 Ex:-0.13 Ey:-0.06 Ez:+0.00 Radius:100.83
> Iteration : 01 std dev:0.024
> .Height:297.82 Ex:-0.09 Ey:-0.05 Ez:+0.00 Radius:100.82
> Calibration OK rolling back.
> .Height:297.79 Ex:-0.13 Ey:-0.06 Ez:+0.00 Radius:100.83
> Save with M500 and/or copy to Configuration.h
-
pre: Use a single point (`P1`) to check the height.
code: |
G33 P1
> G33 Auto Calibrate
> Checking... AC
> .Height:297.79
> Calibration OK
> .Height:297.80
> Save with M500 and/or copy to Configuration.h
---
With the `G33` command you can:
- Probe a circular grid of points,
- Calibrate Delta Height,
- Calibrate endstops,
- Calibrate Delta Radius, and
- Calibrate Tower Angles.
|
