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Merge pull request #6021 from Bob-the-Kuhn/BUG-FIX--Switching-extruder-tool-change-Z-height

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Bug Fix: Switching extruder tool change leaves Z in wrong position
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Scott Lahteine 2017-03-16 21:15:20 -05:00 committed by GitHub
parent 48925b7298 685ed5393a
commit 0b22069e82
1 changed files with 5 additions and 3 deletions
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2
Marlin/Marlin_main.cpp
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@ -8033,6 +8033,7 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
z_raise = 0.3 + (z_diff > 0.0 ? z_diff : 0.0);
// Always raise by some amount (destination copied from current_position earlier)
float save_Z = destination[Z_AXIS]; // save Z for later on
destination[Z_AXIS] += z_raise;
planner.buffer_line_kinematic(destination, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
stepper.synchronize();
@ -8046,6 +8047,7 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
planner.buffer_line_kinematic(destination, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
stepper.synchronize();
}
destination[Z_AXIS] = save_Z; // restore original Z position so the 'Move to the "old position"' is correct
#endif
/**