{"id":835,"date":"2015-12-31T13:48:41","date_gmt":"2015-12-31T12:48:41","guid":{"rendered":"http:\/\/www.xpablo.cz\/?p=835"},"modified":"2015-12-31T13:48:41","modified_gmt":"2015-12-31T12:48:41","slug":"3dpburner-dil-iii-pomocne-dily-a-prakticke-pouziti","status":"publish","type":"post","link":"https:\/\/www.xpablo.cz\/?p=835","title":{"rendered":"3dpBurner \u2013 d\u00edl III. \u2013 Pomocn\u00e9 d\u00edly a praktick\u00e9 pou\u017eit\u00ed"},"content":{"rendered":"

\"IMG_9612_web\"<\/a>V p\u0159edchoz\u00edch dvou d\u00edlech miniseri\u00e1lu o laserov\u00e9 CNC grav\u00edrce 3dpBurner jsem psal o stavb\u011b stroje a popisoval prvn\u00ed pokusy s v\u00fdkonn\u00fdm laserem. V tomto d\u00edlu se chci zam\u011b\u0159it na dopl\u0148ky, kter\u00e9 jsem vyrobil, alespo\u0148 r\u00e1mcov\u011b popsat nastaven\u00ed a v kr\u00e1tkosti zm\u00ednit software, kter\u00fd pro ovl\u00e1d\u00e1n\u00ed pou\u017e\u00edv\u00e1m. P\u0159edem chci upozornit na to, \u017ee oblast CNC grav\u00edrov\u00e1n\u00ed nen\u00ed tak moc amat\u00e9rsky zmapovan\u00e1 a zvl\u00e1dnut\u00e1, jako je oblast 3D tisku. Stavba vlastn\u00edho stroje nen\u00ed obt\u00ed\u017en\u00e1 – je mnohem snadn\u011bj\u0161\u00ed, ne\u017e stavba 3D tisk\u00e1rny, rozchozen\u00ed firmware a jeho nastaven\u00ed je rovn\u011b\u017e snadn\u00e9. Probl\u00e9my ale za\u010dnou v okam\u017eiku hled\u00e1n\u00ed p\u0159\u00edv\u011btiv\u00e9ho \u0159\u00edd\u00edc\u00edho software.<\/p>\n

<\/p>\n

Jak u\u017e jsem psal – m\u00e1m k laser\u016fm zdrav\u00fd respekt a proto jsem se rozhodl, \u017ee stroj dopln\u00edm o mal\u00fd ovl\u00e1dac\u00ed pult, kter\u00fdm p\u016fjde ovl\u00e1dat jak s\u00ed\u0165ov\u00e9 nap\u00e1jen\u00ed, tak zvl\u00e1\u0161\u0165 nap\u00e1jen\u00ed laseru. Dal\u0161\u00edm dopl\u0148kem pak je upevn\u011bn\u00ed s\u00ed\u0165ov\u00e9ho nap\u00e1jec\u00edho konektoru a dr\u017e\u00e1k elektroniky s Arduinem.<\/p>\n

\"IMG_9596_web\"<\/a>\"IMG_9602_web\"<\/a><\/p>\n

Po mont\u00e1\u017ei v\u0161ech komponent vypad\u00e1 hlavn\u00ed ovl\u00e1dac\u00ed pult\u00edk a dr\u017e\u00e1k s\u00ed\u0165ov\u00e9ho konektoru takto:<\/p>\n

\"IMG_9599_web\"<\/a><\/p>\n

Nap\u00e1jec\u00ed zdroj jsem p\u0159i\u0161rouboval na z\u00e1kladovou desku, dr\u017e\u00e1k s\u00ed\u0165ov\u00e9ho konektoru a dr\u017e\u00e1k elektroniky jsem k z\u00e1kladn\u011b p\u0159ilepil vte\u0159inov\u00fdm lepidlem (po zabrou\u0161en\u00ed sty\u010dn\u00fdch ploch v\u00fdtisku jemn\u00fdm smirkov\u00fdm pap\u00edrem).<\/p>\n

\"IMG_9603_web\"<\/a><\/p>\n

Ovl\u00e1dac\u00ed pult\u00edk pak je zaklesnut\u00fd na vod\u00edc\u00edch \u0161roubovic\u00edch a dota\u017een z vn\u011bj\u0161\u00ed strany maticemi s podlo\u017ekou.<\/p>\n

\"IMG_9613_crop\"<\/a><\/p>\n

Po z\u00e1kladn\u00edm odzkou\u0161en\u00ed funk\u010dnosti p\u0159i\u0161la na \u0159adu kalibrace krok\u016f krokov\u00fdch motor\u016f. P\u0159i kalibraci jsem vy\u0161el z parametr\u016f, doporu\u010den\u00fdch na blogu projektu a pouze je upravil na m\u016fj hardware. V\u00fdsledn\u00e9 nastaven\u00ed vypad\u00e1 takto:<\/p>\n

\"grblsetup\"<\/a><\/p>\n

Jako prvn\u00ed prakticky pou\u017eiteln\u00fd projekt jsem se rozhodl vyrobit pro moje bl\u00edzk\u00e9 visa\u010dky se jm\u00e9ny na v\u00e1no\u010dn\u00ed d\u00e1rky. Pou\u010den nevhodnost\u00ed m\u011bkk\u00fdch materi\u00e1l\u016f jsem objednal leteckou p\u0159ekli\u017eku tlou\u0161\u0165ky 0.8mm – p\u0159edpokl\u00e1dal jsem, \u017ee se laser dok\u00e1\u017ee prokousat takto tenk\u00fdm d\u0159evem a j\u00e1 nebudu m\u00edt moc pr\u00e1ce s vylamov\u00e1n\u00edm a fin\u00e1ln\u00edmi \u00fapravami visa\u010dek. Jako n\u00e1vrhov\u00fd software jsem po del\u0161\u00edm studov\u00e1n\u00ed internetu zvolil Inkscape, dopln\u011bn\u00fd o z\u00e1suvn\u00fd modul, kter\u00fd umo\u017e\u0148uje export k\u0159ivek do G-k\u00f3du. Je t\u0159eba laborovat, proto\u017ee z\u00e1suvn\u00fdch modul\u016f je v\u00edce verz\u00ed. Mn\u011b osobn\u011b se nejl\u00e9pe osv\u011bd\u010dil modul, kter\u00fd je uvnit\u0159 ozna\u010den\u00fd Laserengraver v 0.01 sta\u017een\u00fd odn\u011bkud z Rusk\u00e9ho f\u00f3ra o CNC.<\/p>\n

Po n\u00e1vrhu visa\u010dek a nastudov\u00e1n\u00ed nap\u0159\u00edklad toho, \u017ee vlo\u017een\u00e9 texty je t\u0159eba nejd\u0159\u00edve vyk\u0159ivkovat, jinak se ve v\u00fdsledn\u00e9m k\u00f3du neprojev\u00ed, jsem mohl za\u010d\u00edt d\u011blat pokusy s pou\u017eitou rychlost\u00ed pohybu a v\u00fdkonem laseru. Nalezen\u00ed vhodn\u00e9 kombinace je velmi d\u016fle\u017eit\u00e9 pro dosa\u017een\u00ed hezk\u00e9ho v\u00fdsledku.<\/p>\n

\"IMG_9610_web\"<\/a><\/p>\n

Snaha o vy\u0159\u00edznut\u00ed okraje v\u0161ak i p\u0159i laseru, b\u011b\u017e\u00edc\u00edm na pln\u00fd v\u00fdkon a rychlosti posuvu 30mm\/min v\u0161ak byla ne\u00fasp\u011b\u0161n\u00e1 – nakonec bylo t\u0159eba vyl\u00e1mat visa\u010dky ru\u010dn\u011b a v\u0161echny vn\u011bj\u0161\u00ed okraje dobrousit na brusce.<\/p>\n

\"IMG_9615_web\"<\/a><\/p>\n

Kus plexiskla, kter\u00fd je vid\u011bt na fotografii slou\u017e\u00ed jako z\u00e1t\u011b\u017e – p\u0159ekli\u017eka se p\u0159i \u0159ez\u00e1n\u00ed laserem m\u00edrn\u011b krout\u00ed, tak\u017ee je nutn\u00e9 ji n\u011b\u010d\u00edm zat\u00ed\u017eit pro rovnom\u011brn\u00fd \u0159ez.<\/p>\n

Z fotek je patrn\u00e9, \u017ee font je vykreslen pouze obrysov\u011b – bohu\u017eel toto je jeden z probl\u00e9m\u016f, kter\u00fd se mi zat\u00edm nepoda\u0159il vy\u0159e\u0161it. Na\u0161el jsem sice \u0159e\u0161en\u00ed, kter\u00e9 mi p\u0159i\u0161lo nejlep\u0161\u00ed<\/a> (modifikovan\u00fd Octoprint), p\u0159elo\u017eil ho pod Windows, ale narazil jsem na probl\u00e9m s t\u00edm, \u017ee nebyl schopen detekovat p\u0159ipojen\u00fd s\u00e9riov\u00fd port s Arduinem.<\/p>\n

Na z\u00e1v\u011br bych cht\u011bl znovu upozornit na nebezpe\u010d\u00ed laseru. Dvakr\u00e1t se mi stalo, \u017ee se Arduino zaseklo (dlouh\u00fd USB kabel) a j\u00e1 si nev\u0161iml, \u017ee laser sv\u00edt\u00ed pln\u00fdm v\u00fdkonem a p\u0159itom se nepohybuje. Na obr\u00e1zku n\u00ed\u017e je vid\u011bt v\u00fdsledek<\/p>\n

\"IMG_9619_web\"<\/a><\/p>\n

Laser se prop\u00e1lil p\u0159ekli\u017ekou, plexisklem a vyp\u00e1lil je\u0161t\u011b \u010dern\u00e9 kole\u010dko na dubovou stoln\u00ed desku…<\/p>\n

STL soubory dopl\u0148k\u016f zde nejsou uv\u011b\u0159ejn\u011bny z\u00e1m\u011brn\u011b – p\u0159i instalaci se jedn\u00e1 o pr\u00e1ci se s\u00ed\u0165ov\u00fdm nap\u011bt\u00edm a hroz\u00ed nebezpe\u010d\u00ed \u00farazu, tak\u017ee pokud je n\u011bkdo chce, tak a\u0165 po\u017e\u00e1d\u00e1 a j\u00e1 mu je po\u0161lu, ale tou \u017e\u00e1dost\u00ed potvrzuje, \u017ee si je v\u011bdom v\u0161ech rizik a byl na n\u011b upozorn\u011bn\u00fd.<\/p>\n","protected":false},"excerpt":{"rendered":"

V p\u0159edchoz\u00edch dvou d\u00edlech miniseri\u00e1lu o laserov\u00e9 CNC grav\u00edrce 3dpBurner jsem psal o stavb\u011b stroje a popisoval prvn\u00ed pokusy s v\u00fdkonn\u00fdm laserem. V tomto d\u00edlu se chci zam\u011b\u0159it na dopl\u0148ky, kter\u00e9 jsem vyrobil, alespo\u0148 r\u00e1mcov\u011b popsat nastaven\u00ed a v kr\u00e1tkosti zm\u00ednit software, kter\u00fd pro ovl\u00e1d\u00e1n\u00ed pou\u017e\u00edv\u00e1m. P\u0159edem chci upozornit na to, \u017ee oblast CNC grav\u00edrov\u00e1n\u00ed … Pokra\u010dov\u00e1n\u00ed textu 3dpBurner \u2013 d\u00edl III. \u2013 Pomocn\u00e9 d\u00edly a praktick\u00e9 pou\u017eit\u00ed<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[3,31],"tags":[41,36,32],"class_list":["post-835","post","type-post","status-publish","format-standard","hentry","category-arduino","category-cnc","tag-3dpburner","tag-arduino","tag-cnc"],"_links":{"self":[{"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=835"}],"version-history":[{"count":7,"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/835\/revisions"}],"predecessor-version":[{"id":852,"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=\/wp\/v2\/posts\/835\/revisions\/852"}],"wp:attachment":[{"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xpablo.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}