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reprap:printing [2009/06/13 02:29] – schneider | reprap:printing [2010/03/17 00:11] – 83.133.179.240 | ||
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The raft for the minimug is very strong. The first layer is printed out at 1/4 the normal speed producing a very thick filament. The next layers are printed at a faster speed. | The raft for the minimug is very strong. The first layer is printed out at 1/4 the normal speed producing a very thick filament. The next layers are printed at a faster speed. | ||
+ | ====== Skeinforge ====== | ||
+ | Skeinforge settings for printing at 18mm/s, at 0.4mm layer thickness. Calibrated according to {{http:// | ||
- | Repdist | + | {{: |
- | {{: | + | ---- |
+ | |||
+ | (deprecated: | ||
+ | |||
+ | |||
+ | ====== Printing ====== | ||
+ | **WARNING: It is absolutely necessary to restart the Repman after completing/ | ||
+ | |||
+ | For example the head might move into the base plate producing a hole :( | ||
+ | |||
+ | Select the Print Object menu item and use the right up/ | ||
+ | |||
+ | There is some filament extruded while heating up. Remove this with some tweezers to before the head starts moving when it reaches the target temperature. This might be necessary again between layers. | ||
====== Printed objects and configurations ====== | ====== Printed objects and configurations ====== | ||
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| 12.06.2009 | key_export.bfb | Handcuff Key / Vertical | Blender | ~3g | n/a | Extruder speed: 8mm/s | n/a | slower extrusion, but forgot to set PWM feed accordingly ⇒ extruder tried to feed too much |1| | | 12.06.2009 | key_export.bfb | Handcuff Key / Vertical | Blender | ~3g | n/a | Extruder speed: 8mm/s | n/a | slower extrusion, but forgot to set PWM feed accordingly ⇒ extruder tried to feed too much |1| | ||
| 12.06.2009 | key_export.bfb | Handcuff Key / Vertical | Blender | ~3g | n/a | Extruder speed: 8mm/s, Flowrate PWM: 180 | n/a | Quite good print. Only " | | 12.06.2009 | key_export.bfb | Handcuff Key / Vertical | Blender | ~3g | n/a | Extruder speed: 8mm/s, Flowrate PWM: 180 | n/a | Quite good print. Only " | ||
- | | 12.06.2009 | meter_key_export.bfb | Utility Meter Key | n/a | n/a | http:// | + | | 12.06.2009 | meter_key_export.bfb | Utility Meter Key | n/a | n/a | http:// |
| 12.06.2009 | Untitled_export.bfb | Servoholder | AOI | 15g | n/a | none | n/a | 50mm x 60mm wraping is visible| 1| | | 12.06.2009 | Untitled_export.bfb | Servoholder | AOI | 15g | n/a | none | n/a | 50mm x 60mm wraping is visible| 1| | ||
+ | | 13.06.2009 | http:// | ||
+ | | 15.06.2009 | kleinbottle from bfb-forum | Kleinbottle | n/a | 14g | - | 9r | n/a | - | 1 | | ||
+ | | 17.06.2009 | pyramide with eye | Illuminatenpyramide | n/a | 11g | n/a | 9r | n/a | - | 1 | | ||
+ | | 17.06.2009 | meter_key_export.bfb | Utility Meter Key | n/a | 4g | http:// | ||
+ | | 18.06.2009 | key_diverse | Handcuff Key / Optimized | Blender + G-Code | ~1g | n/a | G-Code Hacking involved. See bottom | n/a | n/a | 4 | | ||
+ | | 20.06.2009 | ScrBoxT.bfb, | ||
+ | | 21.06.2009 | meter_key_export.bfb | Utility Meter Key | n/a | 4g | http:// | ||
+ | | 27.06.2009 | keyb5.bfb | Handcuff Key | n/a | 1g | n/a | 9r-optimized epic fail | n/a | see calibration |1 | | ||
+ | | 30.06.2009 | S.bfb | S-shaped thingy | n/a | 2g | n/a | 9r | n/a | - | 2 | | ||
+ | | 30.06.2009 | x41spare.bfb | spare part for x41 | n/a | 3g | n/a | 9r | n/a | - | 1 | | ||
+ | | 20.07.2009 | secpuzz1.bfb | replacement part for puzzle | BurrTools | 3g | n/a | | http:// | ||
+ | | 23.07.2009 | rail05 | Duplo Lego Gleis | HeeksCAD | 31g | 9Rreprap_profile.tar | mazzoo | n/a | klafft derbe | 1 | | ||
+ | | 08.09.2009 | sb_s*.bfb | 3D-Puzzle Steine | BurrTools | 3g | n/a | 9Rreprap_profile.tar | | good, a little imprecise | 1 | | ||
+ | | 13.10.2009 | official minimug | Minimug | dunno | 3g | n/a | official bfb | | very good | 2 | | ||
+ | | 17.03.2010 | adapter1.bfb | Telescope webcam adapter part1 | QCAD+OpenSCAD | 8g | n/a | skeinforge_profiles_9r_20100316.tar.gz | | started very good, print head crashed into object at end | 1 | | ||
+ | |||
+ | =======Calibration====== | ||
+ | |||
+ | The aim of this calibration process is to find skeinforge parameters for a better print quality and to better understand the influence of those parameters. | ||
+ | |||
+ | With this first test series I'm trying to get watertight floors. | ||
+ | |||
+ | For this purpose I am using a very small [[https:// | ||
+ | |||
+ | ^ run ^ parameter ^ observations ^ | ||
+ | | 1 | [[https:// | ||
+ | | 2 | " | ||
+ | | 3 | lowered " | ||
+ | | 4 | " | ||
+ | |||
+ | just realized something: in the doku of skeinforge-speed " | ||
+ | |||
+ | ^ run ^ parameter ^ observations ^ | ||
+ | | 5 | Reset " | ||
+ | | 6 | reduced feedrate to 8mm/s and Flowrate PWM to 250 | much better, but a bit clicking in the first base layer | | ||
+ | | 7 | raised feedrate back to 16mm/s and Flowrate PWM to 480 and "Base Layer Thickness over Layer Thickness" | ||
+ | | 8 | raised FLowrate PWM to 520, raised "Base Layer Thickness over Layer Thickness" | ||
+ | | 9 | feedrate 10, Flowrate PWM 300, " | ||
+ | | 10 | "Base Infill Density" | ||
+ | | 11 | "Base Infill Density" | ||
+ | | 12 | "Base Infill Density" | ||
+ | | 13 | "Layer Thickness" | ||
+ | | 14 | " | ||
+ | | 15 | " | ||
+ | | 13b | tried #13 settings on handcuff key | epic fail: completely smeared object. Also the raft seems to be too low on the baseplate. Iggy readjusted baseplate after print as it didn't move smoothly, probably had skipped a gear or so on one pole. BTW: upper part not completely flat (bend), could be a problem for larger/not centric objects | | ||
+ | |||
+ | Right now my skeinforge-config works very well with small to medium layer sizes but is useless with very small layersizes (melting). With large objects the accuracy is good as well, but there can be problems because layers are not connected properly. This can be fixed with a dirty " | ||
+ | |||
+ | You can get the current state of my modified skeinforge-config [[https:// | ||
+ | |||
+ | To use it you will have to unpack it to .skeinforge/ | ||
+ | |||
+ | If you have modified your skeinforge-config it is a good idea to create a profile of your current state before loading another profile. | ||
+ | |||
+ | =======G-Code Hacking====== | ||
+ | Wer die komplette Kontrolle ueber die Hardware will, muss zum Maschinencode greifen, so war es immer, und so wird es immer sein :) Wobei ein " | ||
+ | |||
+ | Aber vorsicht: wer hier wirklich z.B. an Koordinaten rumfuhrwerkt kann den Reprap gegen die Wand, das Objekt, sich selbst und ueberhaupt fahren. Komplette Selbstzerstoerung halte ich fuer umsetzbar... Und nein, die beiden Brandflecken in der Platform kommen nicht von mir! | ||
+ | |||
+ | Durchaus praxisnaeher als Aenderungen am 3D-Modell sind aber Aenderungen an manchen Parametern, hier erstmal die wichtigsten Infos: | ||
+ | [[ http:// | ||
+ | [[ http:// | ||
+ | Generell steuern die G-Codes den Kopf, die M-Codes veraendern Parameter. | ||
+ | |||
+ | Z.B.: Raft mit hoeherer Temperatur plotten (damits am Boden haelt) als das Modell, die Temperatur regelt der Paramter M104. Das Raft erkennt man im Code leicht, es sind die ersten drei " | ||
+ | |||
+ | Bei meinem Schluessel habe ich das Raft jetzt auch in hoeherer Geschwindigkeit als das Objekt (geht einfach schneller und das Raft braucht die Praezision nicht), die Bewegung wird ueber den F Parameter am Ende jeder G1 Zeile bestimmt. Wieder ACHTUNG: den Materialvorschub muss man auch hier wieder an die Geschwindigkeit anpassen. Grob sollte wohl gelten: doppelte Geschwindigkeit, | ||
+ | |||
+ | Ebenfalls machbar: nach dem Printen des Rafts den Extrueder erst "aus dem Weg" bringen, so dass er beim Fahren in die Ecke den Wurstrest nicht gerade quer unter das Objekt legt... Und wohl auch vorher noch ne kleine Ehrenrunde fahren ehe man weiterplottet, | ||
+ | |||
+ | Beobachtungen: | ||
+ | * M104 aendert eben nicht nur die Temperatur sondern faehrt auch in die Ecke bis die neue Temperatur erreicht ist. Das ist eigentlich schade, an den Bedienelementen des RepMan kann man die Temperatur auch " | ||
+ | * M103/M101 schalten den Materialvorschub aus und an. Allerdings laeuft immer noch bischen was nach. Hardcore-Tuner koennten evtl. bei " | ||
+ | * M108 aendert den Materialvorschub, | ||
+ | |||
+ | Paramter: | ||
+ | * (ray) Mein Raft printe ich aktuell mit M108 S400.0, M104 S246.0 bei nem Speed von F960.0 | ||
+ | * (ray) brauchbare Schluessel habe ich jetzt z.B. mit M108 S210,9, M104 S240.0 und nem Speed von F480.0 geprinted. Allerdings habe ich aktuell noch nen suboptimalen Start unten (zieht sich leicht zusammen), muss ich evtl. noch mit dem Materialvorschub experimentieren. Besser ging das mit der hoeheren Temperatur, aber die erzeugt nen unsauberen Ueberhang im schluesselbart, | ||
+ |