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Clarify Nozzle-to-Probe offset (#18828) 

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
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Giuliano Zaro 2020-07-29 21:35:31 +02:00 committed by GitHub
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1 changed files with 23 additions and 13 deletions
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36
Marlin/Configuration.h
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@ -964,24 +964,34 @@
//
/**
* Z Probe to nozzle (X,Y) offset, relative to (0, 0).
* Nozzle-to-Probe offsets { X, Y, Z }
*
* In the following example the X and Y offsets are both positive:
* - Use a caliper or ruler to measure the distance from the tip of
* the Nozzle to the center-point of the Probe in the X and Y axes.
* - For the Z offset use your best known value and adjust at runtime.
* - Probe Offsets can be tuned at runtime with 'M851', LCD menus, babystepping, etc.
*
* #define NOZZLE_TO_PROBE_OFFSET { 10, 10, 0 }
* Assuming the typical work area orientation:
* - Probe to RIGHT of the Nozzle has a Positive X offset
* - Probe to LEFT of the Nozzle has a Negative X offset
* - Probe in BACK of the Nozzle has a Positive Y offset
* - Probe in FRONT of the Nozzle has a Negative Y offset
*
* Some examples:
* #define NOZZLE_TO_PROBE_OFFSET { 10, 10, -1 } // Example "1"
* #define NOZZLE_TO_PROBE_OFFSET {-10, 5, -1 } // Example "2"
* #define NOZZLE_TO_PROBE_OFFSET { 5, -5, -1 } // Example "3"
* #define NOZZLE_TO_PROBE_OFFSET {-15,-10, -1 } // Example "4"
*
* +-- BACK ---+
* | |
* L | (+) P | R <-- probe (20,20)
* E | | I
* F | (-) N (+) | G <-- nozzle (10,10)
* T | | H
* | (-) | T
* | |
* | [+] |
* L | 1 | R <-- Example "1" (right+, back+)
* E | 2 | I <-- Example "2" ( left-, back+)
* F |[-] N [+]| G <-- Nozzle
* T | 3 | H <-- Example "3" (right+, front-)
* | 4 | T <-- Example "4" ( left-, front-)
* | [-] |
* O-- FRONT --+
* (0,0)
*
* Specify a Probe position as { X, Y, Z }
*/
#define NOZZLE_TO_PROBE_OFFSET { 10, 10, 0 }