From 9c5957fc774f384b9db8f97fc1e97f3fcc7aefef Mon Sep 17 00:00:00 2001
From: Brian <bgort@users.noreply.github.com>
Date: Wed, 10 May 2017 15:19:06 -0400
Subject: [PATCH] G26: Add 0.5mm Z-bump between circles to minimize pattern
scraping
---
Marlin/G26_Mesh_Validation_Tool.cpp | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/Marlin/G26_Mesh_Validation_Tool.cpp b/Marlin/G26_Mesh_Validation_Tool.cpp
index 3d93baa91f..33f7590775 100644
--- a/Marlin/G26_Mesh_Validation_Tool.cpp
+++ b/Marlin/G26_Mesh_Validation_Tool.cpp
@@ -605,13 +605,19 @@
return print_line_from_here_to_there(ex, ey, ez, sx, sy, sz);
}
- // Decide whether to retract.
+ // Decide whether to retract & bump
if (dist_start > 2.0) {
retract_filament(destination);
//if (ubl.g26_debug_flag) SERIAL_ECHOLNPGM(" filament retracted.");
+
+ //if (ubl.g26_debug_flag) SERIAL_ECHOLNPGM(" Z bumping by 0.500 to minimize scraping.");
+ //todo: parameterize the bump height with a define
+ move_to(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS]+0.500, 0.0); // Z bump to minimize scraping
+ move_to(sx, sy, sz+0.500, 0.0); // Get to the starting point with no extrusion while bumped
}
- move_to(sx, sy, sz, 0.0); // Get to the starting point with no extrusion
+
+ move_to(sx, sy, sz, 0.0); // Get to the starting point with no extrusion / un-Z bump
const float e_pos_delta = line_length * g26_e_axis_feedrate * extrusion_multiplier;
--
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