From d25364401d8ef91517f65ef113707bc8d3c26ec6 Mon Sep 17 00:00:00 2001 From: dakkar Date: Sun, 27 Sep 2009 19:02:07 +0200 Subject: new printed objects: whistle & printruder --- .../HW/makerbot/printed-objects/img_1007-t.jpg | Bin 0 -> 28529 bytes additions/HW/makerbot/printed-objects/img_1007.jpg | Bin 0 -> 1621633 bytes .../HW/makerbot/printed-objects/img_1008-t.jpg | Bin 0 -> 32682 bytes additions/HW/makerbot/printed-objects/img_1008.jpg | Bin 0 -> 1694523 bytes .../HW/makerbot/printed-objects/img_1009-t.jpg | Bin 0 -> 26493 bytes additions/HW/makerbot/printed-objects/img_1009.jpg | Bin 0 -> 1632378 bytes .../HW/makerbot/printed-objects/img_1010-t.jpg | Bin 0 -> 25731 bytes additions/HW/makerbot/printed-objects/img_1010.jpg | Bin 0 -> 1802144 bytes .../HW/makerbot/printed-objects/img_1011-t.jpg | Bin 0 -> 26188 bytes additions/HW/makerbot/printed-objects/img_1011.jpg | Bin 0 -> 1772181 bytes .../HW/makerbot/printed-objects/img_1012-t.jpg | Bin 0 -> 24898 bytes 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100644 index 0000000..95bfae0 Binary files /dev/null and b/additions/HW/makerbot/printed-objects/img_1021-t.jpg differ diff --git a/additions/HW/makerbot/printed-objects/img_1021.jpg b/additions/HW/makerbot/printed-objects/img_1021.jpg new file mode 100644 index 0000000..f855f10 Binary files /dev/null and b/additions/HW/makerbot/printed-objects/img_1021.jpg differ diff --git a/src/HW/makerbot/printed-objects/document.en.rest.tt b/src/HW/makerbot/printed-objects/document.en.rest.tt index 7755110..c4f862f 100644 --- a/src/HW/makerbot/printed-objects/document.en.rest.tt +++ b/src/HW/makerbot/printed-objects/document.en.rest.tt @@ -93,3 +93,92 @@ To do for next time: * check the orthogonality of the base * use the bolted build base, instead of the one held with double-sided tape + +Bolted build base +================= + +Seeing the (little) reliability of the taped build base, I started +using the bolted one. To make it more robust, I used both wooden +plates (by drilling the holes in one of them). + +[% INCLUDE 'image.tt' pic='img_1020' alt="bolted base, for above" %] + +[% INCLUDE 'image.tt' pic='img_1021' alt="bolted base, from the side" +%] + +The whistle +=========== + +Using the new build base, I printed `the whistle +`_ (I actually used `the +cleaned version `_ ). + +It came out pretty well, but it does not actually whistle… + +[% WRAPPER 'figure.tt' pic='img_1017' alt="the whistle" %] +A bit of excess filaments, but it printed. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1018' alt="the mouth of the whistle" %] +As you can see, there's a lot of "ooze", especially on the inside. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1019' alt="the inside of the whistle" %] +You can just see the "pea". +[% END %] + +I should maybe study the effects of the "comb" and "oozebane" settings +in ``skeinforge``\ … + +The "printruder" +================ + +Since the whistle came out well enough, I tried a "hard piece": the +"`printruder `_", which is the +support part of the extruder, in a printable version. + +I have to say that it feels like magic, seeing a printer producing its +own replacement pieces! + +How did it print? Surprisingly well! I noticed almost no distortion / +warping, even with such large pieces. + +[% WRAPPER 'figure.tt' pic='img_1016' alt="the pieces of the printruder" %] +Ensemble: all the pieces of the printruder. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1009' alt="idler bracket" %] +Idler bracket. The "bridges" above the central hole are very thin, and +protrude a bit, but it's not a problem: there is plenty of space, and +the load is toward the opposite side. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1011' alt="motor bracket" %] +Motor bracket +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1012' alt="motor bracket" %] +As you can see, there are a few "blobs", but nothing a little knife +work can't cure. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1013' alt="the filament hole" %] +The motor bracket includes the hole for the ABS filament: the +alignment is perfect. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1014' alt="the base plate" %] +Printruder base plate: I didn't even have to file the dovetail slide. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1015' alt="insulator retainer" %] +The easy part: the support for the insulator and the "hot" part of the +extruder. +[% END %] + +After printing, I cleaned the holes with a drill; I cleaned the +filament hole by hand, with a drill bit, to avoid breaking the plastic +around it. + +Now I only have to buy the required bolts and bearing, and try to use +it. diff --git a/src/HW/makerbot/printed-objects/document.it.rest.tt b/src/HW/makerbot/printed-objects/document.it.rest.tt index 9c5f74b..fe11ab9 100644 --- a/src/HW/makerbot/printed-objects/document.it.rest.tt +++ b/src/HW/makerbot/printed-objects/document.it.rest.tt @@ -92,3 +92,95 @@ Da fare per la prossima volta: * controllare l'ortogonalità della base * usare la base con i bulloni, invece di quella tenuta col biadesivo + +Base di stampa bullonata +======================== + +Vista la (scarsa) affidabilità della base tenuta col biadesivo, sono +passato alla base bullonata. Per robustezza, ho usato entrambe le +basette in legno (forandone una con un trapano). + +[% INCLUDE 'image.tt' pic='img_1020' alt="basetta bullonata, +dall'alto" %] + +[% INCLUDE 'image.tt' pic='img_1021' alt="basetta bullonata, +di lato" %] + +Il fischietto +============= + +Armato della nuova base di stampa, ho stampato `il fischietto +`_ (in effetti ho usato `la +versione ripulita `_ ). + +È venuto piuttosto bene, ma non fischia… + +[% WRAPPER 'figure.tt' pic='img_1017' alt="il fischietto" %] +Un po' sbavato, ma è venuto. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1018' alt="la bocca del fischietto" %] +Come si può vedere, le sbavature sono tante, specie all'interno. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1019' alt="l'interno del fischietto" %] +Si intravede il "seme". +[% END %] + +Forse dovrei studiare meglio gli effetti delle impostazioni "comb" e +"oozebane" di ``skeinforge``\ … + +Il "printruder" +=============== + +Visto che il fischietto è venuto abbastanza bene, ho provato a +stampare un pezzo difficile: il "`printruder +`_", ovvero il supporto +dell'estrusore, in versione stampabile. + +Bisogna dire che ha del magico, vedere una stampante che produce i +propri pezzi di ricambio! + +Come è venuto? Sorprendentemente bene! Non ho notato praticamente +nessuna distorsione, anche se i pezzi sono piuttosto grandi. + +[% WRAPPER 'figure.tt' pic='img_1016' alt="i pezzi del printruder" %] +Vista d'insieme: tutti i pezzi del printruder. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1009' alt="il supporto per la ruota oziosa" %] +Supporto per ruota oziosa. I "ponti" sopra il foro grande sono molto +sottili e sporgono un po', ma non è un problema: c'è posto, e la +spinta è verso l'altro lato. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1011' alt="il supporto per il motore" %] +Supporto per il motore. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1012' alt="il supporto per il motore" %] +Come si vede, ci sono un po' di "gocce", ma nulla che un po' di +coltello non possa curare. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1013' alt="il foro per il filo di ABS" %] +Il supporto per il motore include il foro attraverso cui passa il filo +di ABS: l'allineamento è perfetto. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1014' alt="la base" %] +Base dell'estrusore: l'incastro a coda di rondine non ha avuto bisogno +neppure di una limata. +[% END %] + +[% WRAPPER 'figure.tt' pic='img_1015' alt="supporto dell'isolatore" %] +Il pezzo più facile: il supporto per l'isolatore e la parte "calda" +dell'estrusore. +[% END %] + +Dopo la stampa, ho ripassato i fori con il trapano; il foro per il +filo di ABS l'ho ripassato a mano, con una punta da trapano, per +evitare di rompere la plastica intorno. + +Ora devo solo comprare i bulloni e il cuscinetto che mancano, e +provare a usarlo. -- cgit v1.2.3