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authorGhostkeeper <rubend@tutanota.com>2020-06-02 12:53:52 +0300
committerGhostkeeper <rubend@tutanota.com>2020-06-19 12:20:00 +0300
commit10b5f4dc1fe4dad048f189943b98a4e09488366b (patch)
treee47de2cb14a38c351ae49fb544752342c7c932e1
parentbab037554ca5df35d59ac707a2e985308c13f344 (diff)
Avoid hitting the prime blob when Z hop is enabled
If Z hop is enabled, it would move to the height of the Z hop at the start of the print, in order to hop for the initial travel move. Cura sort of assumes that this hop is going up and so it's safe to do, but in reality this hop is going down due to the starting process in the firmware. As a hotfix, we'll just move away from that blob so that we don't hit it even if you enable Z hops.
-rw-r--r--resources/definitions/ultimaker2.def.json2
1 files changed, 1 insertions, 1 deletions
diff --git a/resources/definitions/ultimaker2.def.json b/resources/definitions/ultimaker2.def.json
index 68b41feeb0..3980baba31 100644
--- a/resources/definitions/ultimaker2.def.json
+++ b/resources/definitions/ultimaker2.def.json
@@ -23,7 +23,7 @@
"overrides": {
"machine_name": { "default_value": "Ultimaker 2" },
"machine_start_gcode" : {
- "value": "\"\" if machine_gcode_flavor == \"UltiGCode\" else \"G21 ;metric values\\nG90 ;absolute positioning\\nM82 ;set extruder to absolute mode\\nM107 ;start with the fan off\\nG28 Z0 ;move Z to bottom endstops\\nG28 X0 Y0 ;move X/Y to endstops\\nG1 X15 Y0 F4000 ;move X/Y to front of printer\\nG1 Z15.0 F9000 ;move the platform to 15mm\\nG92 E0 ;zero the extruded length\\nG1 F200 E10 ;extrude 10 mm of feed stock\\nG92 E0 ;zero the extruded length again\\nG1 F9000\\n;Put printing message on LCD screen\\nM117 Printing...\""
+ "value": "\"G0 F3000 Y50 ;avoid prime blob\" if machine_gcode_flavor == \"UltiGCode\" else \"G21 ;metric values\\nG90 ;absolute positioning\\nM82 ;set extruder to absolute mode\\nM107 ;start with the fan off\\nG28 Z0 ;move Z to bottom endstops\\nG28 X0 Y0 ;move X/Y to endstops\\nG1 X15 Y0 F4000 ;move X/Y to front of printer\\nG1 Z15.0 F9000 ;move the platform to 15mm\\nG92 E0 ;zero the extruded length\\nG1 F200 E10 ;extrude 10 mm of feed stock\\nG92 E0 ;zero the extruded length again\\nG1 Y50 F9000\\n;Put printing message on LCD screen\\nM117 Printing...\""
},
"machine_end_gcode" : {
"value": "\";Version _2.6 of the firmware can abort the print too early if the file ends\\n;too soon. However if the file hasn't ended yet because there are comments at\\n;the end of the file, it won't abort yet. Therefore we have to put at least 512\\n;bytes at the end of the g-code so that the file is not yet finished by the\\n;time that the motion planner gets flushed. With firmware version _3.3 this\\n;should be fixed, so this comment wouldn't be necessary any more. Now we have\\n;to pad this text to make precisely 512 bytes.\" if machine_gcode_flavor == \"UltiGCode\" else \"M104 S0 ;extruder heater off\\nM140 S0 ;heated bed heater off (if you have it)\\nG91 ;relative positioning\\nG1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure\\nG1 Z+0.5 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more\\nG28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way\\nM84 ;steppers off\\nG90 ;absolute positioning\\n;Version _2.6 of the firmware can abort the print too early if the file ends\\n;too soon. However if the file hasn't ended yet because there are comments at\\n;the end of the file, it won't abort yet. Therefore we have to put at least 512\\n;bytes at the end of the g-code so that the file is not yet finished by the\\n;time that the motion planner gets flushed. With firmware version _3.3 this\\n;should be fixed, so this comment wouldn't be necessary any more. Now we have\\n;to pad this text to make precisely 512 bytes.\""