{"data":{"model":{"id":"191560","slug":"nastenne-hodiny-s-cislicemi-ve-dvojkove-soustave","name":"N\u00e1st\u011bnn\u00e9 hodiny s \u010d\u00edslicemi ve dvojkov\u00e9 soustav\u011b","authorship":null,"eduProject":{"id":"716","subject":{"id":"48","name":"Practical prints","slug":"practical-prints","__typename":"SchoolSubjectType"},"language":{"id":"28","name":"Czech","__typename":"LanguageType"},"free":false,"timeDifficulty":"SHORT_TERM","audienceAge":"ADOLESCENT","complexity":"EASY","equipment":[{"id":"1","name":"3D modeling","__typename":"EquipmentType"}],"suitablePrinters":[{"id":"1","name":"Prusa MK3/S/S+","__typename":"PrinterTypeType"}],"organisation":"St\u0159edn\u00ed odborn\u00e1 \u0161kola technick\u00e1 a zahradnick\u00e1","authors":"Bc. Miroslav Dlouh\u00fd, \u017e\u00e1ci oboru autotronik t\u0159\u00edda AUT2","targetGroupFocus":"

\u017d\u00e1ci st\u0159edn\u00ed \u0161koly, studijn\u00ed obor autotronik, kter\u00fd je v\u00edce zam\u011b\u0159en na praktick\u00e9 zvl\u00e1dnut\u00ed oprav silni\u010dn\u00edch vozidel, p\u0159edev\u0161\u00edm na elektroniku v automobilech, diagnostiku, elektronick\u00e9 syst\u00e9my a nov\u011b i na elektromobily. Tento maturitn\u00ed obor je zam\u011b\u0159en\u00fd na p\u0159\u00edpravu vysoce kvalifikovan\u00fdch pracovn\u00edk\u016f. Teoretick\u00e9 vyu\u010dov\u00e1n\u00ed obsahuje jak v\u0161eobecn\u011b vzd\u011bl\u00e1vac\u00ed p\u0159edm\u011bty, tak p\u0159edm\u011bty odborn\u00e9, kter\u00e9 jsou zam\u011b\u0159eny na celkovou konstrukci automobil\u016f, zejm\u00e9na na jejich elektroniku a elektrick\u00e1 za\u0159\u00edzen\u00ed

","knowledgeAndSkills":"

\u017d\u00e1ci mus\u00ed zvl\u00e1dat tvorbu 3D model\u016f pomoc\u00ed modelovac\u00edho programu TinkerCAD, kter\u00fd je dostupn\u00fd online po vytvo\u0159en\u00ed \u017e\u00e1kovsk\u00e9ho nebo osobn\u00edho \u00fa\u010dtu. Z\u00e1rove\u0148 je d\u016fle\u017eit\u00e1 prostorov\u00e1 p\u0159edstavivost a smysl pro detail a fantazie. Dal\u0161\u00ed co \u017e\u00e1ci mus\u00ed um\u011bt je zpracov\u00e1n\u00ed a p\u0159\u00edprava modelu pro 3D tisk pomoc\u00ed programu PrusaSlicer. V\u00fdhodou je znalost pr\u00e1ce s dal\u0161\u00edmi programy (AutoCAD, Onshape, Fusion 360 apod.) Ned\u00edlnou sou\u010d\u00e1st\u00ed je i pe\u010dlivost a chu\u0165 realizovat zaj\u00edmav\u00e9 projekty.

","objectives":"

\u017d\u00e1ci si prohloub\u00ed znalosti z povinn\u00e9ho p\u0159edm\u011btu \u201ctechnick\u00e9 kreslen\u00ed\u201d, nau\u010d\u00ed se pracovat v prost\u0159ed\u00ed modelovac\u00edch program\u016f CAD, nau\u010d\u00ed se orientovat ve 3D, zvl\u00e1dnou zpracov\u00e1n\u00ed model\u016f pro 3D tisk, um\u00ed zvolit vhodn\u00fd materi\u00e1l, um\u00ed \u0159e\u0161it problematiku 3D tisku, um\u00ed nastavit 3D tisk\u00e1rnu. Vyti\u0161t\u011bn\u00e9 modely um\u00ed zpracovat do fin\u00e1ln\u00ed podoby. Motiva\u010dn\u00edm prvkem je tvorba konkr\u00e9tn\u00edho p\u0159edm\u011btu, kter\u00fdm prezentuj\u00ed svoje dovednosti, mohou jej pou\u017e\u00edt k praktick\u00e9mu vyu\u017eit\u00ed ve \u0161kole, pro vlastn\u00ed pot\u0159ebu doma (nebo se jen pochlubit rodi\u010d\u016fm a kamar\u00e1d\u016fm)

","equipmentDescription":"

Po\u010d\u00edta\u010d je vhodn\u00fd v\u00fdkonn\u011bj\u0161\u00ed s dobrou grafickou kartou a v\u011bt\u0161\u00ed monitor, zpracov\u00e1n\u00ed model\u016f pomoc\u00ed modelovac\u00edch program\u016f CAD je pom\u011brn\u011b n\u00e1ro\u010dn\u00e9 na hardware. Software bu\u010f v online verz\u00edch nebo s pot\u0159ebou instalace nap\u0159. programy CAD freeware pro \u0161koly, nebo placen\u00e9 (dle mo\u017enost\u00ed a vybaven\u00ed konkr\u00e9tn\u00ed \u0161koly). Software pro zpracov\u00e1n\u00ed model\u016f pro tisk (PrusaSlicer). Hlavn\u00edm prvkem hardware je samotn\u00e1 3D tisk\u00e1rna Prusa MK3S+. Vzhledem ke koncepci modelu hodin nen\u00ed dal\u0161\u00ed n\u00e1\u0159ad\u00ed pot\u0159eba, v\u0161e je je sestaveno bez pot\u0159eby \u0161roubov\u00e1n\u00ed nebo lepen\u00ed. D\u016fle\u017eitou sou\u010d\u00e1st\u00ed hodin je samotn\u00fd hodinov\u00fd strojek a hodinov\u00e9 ru\u010di\u010dky (volili jsme mezi oby\u010dejn\u00fdm strojkem nebo verz\u00ed s DCF, kdy hodiny jsou \u0159\u00edzeny r\u00e1diov\u00fdm sign\u00e1lem a jsou naprosto p\u0159esn\u00e9). Vhodn\u00e9 jsou n\u011bjak\u00e9 ploch\u00e9 kle\u0161ti\u010dky na dota\u017een\u00ed matice p\u0159i osazov\u00e1n\u00ed hodinov\u00e9ho strojku. Materi\u00e1l na tisk jsme volili nejpou\u017e\u00edvan\u011bj\u0161\u00ed PLA, je mo\u017en\u00e9 pou\u017e\u00edt PLA+ nebo PETG. Barvy jsou na ka\u017ed\u00e9m, podle jeho vkusu.

","timeSchedule":"

P\u0159\u00edprava samotn\u00e9ho projektu, koncept a zpracov\u00e1n\u00ed n\u00e1padu, objedn\u00e1n\u00ed materi\u00e1lu a hodinov\u00e9ho strojku zabrala i s dod\u00e1n\u00edm p\u0159ibli\u017en\u011b 2 dny

Sezn\u00e1men\u00ed \u017e\u00e1k\u016f s projektem a tvorba modelu pomoc\u00ed modelovac\u00edho programu TinkerCAD p\u0159ibli\u017en\u011b 1 den odborn\u00e9ho v\u00fdcviku tedy 6 hodin (ka\u017ed\u00fd \u017e\u00e1k vytv\u00e1\u0159el dle sv\u00e9 p\u0159edstavy hrub\u00fd n\u00e1kres, pot\u00e9 byl vybr\u00e1n nejlep\u0161\u00ed n\u00e1vrh, kter\u00fd se zpracov\u00e1val po jednotliv\u00fdch \u010d\u00e1stech)

Dokon\u010den\u00ed modelov\u00e1n\u00ed, p\u0159\u00edprava a zpracov\u00e1n\u00ed d\u00edl\u010d\u00edch \u010d\u00e1st\u00ed pro tisk pomoc\u00ed programu PrusaSlicer, odstran\u011bn\u00ed p\u0159\u00edpadn\u00fdch nedostatk\u016f a dolad\u011bn\u00ed p\u0159\u00edprava tisk\u00e1rny p\u0159ibli\u017en\u011b 1 den odborn\u00e9ho v\u00fdcviku 6 hodin.

Vlastn\u00ed tisk prob\u00edhal pr\u016fb\u011b\u017en\u011b a trval celkov\u011b i s mezi\u010dasem pro sejmut\u00ed hotov\u00fdch v\u00fdtisk\u016f a p\u0159\u00edprav\u011b na dal\u0161\u00ed tisk cca 7h cifern\u00edk, 6x 5h jednotliv\u00e9 segmenty a 5h spojovac\u00ed d\u00edly tedy celkem cca 42h

Samotn\u00e9 slo\u017een\u00ed cel\u00fdch hodin i s mont\u00e1\u017e\u00ed hodinov\u00e9ho strojku, se\u0159\u00edzen\u00ed vyfocen\u00ed a zav\u011b\u0161en\u00ed na ze\u010f zabralo necel\u00e9 2 hodiny

Radost z hotov\u00e9ho v\u00fdrobku bez \u010dasov\u00e9ho omezen\u00ed

","workflow":"

U\u010ditel sezn\u00e1m\u00ed \u017e\u00e1ky se z\u00e1m\u011brem a koncepc\u00ed cel\u00e9ho projektu
\u017d\u00e1ci se vyj\u00e1d\u0159\u00ed k projektu a navrhnou vlastn\u00ed n\u00e1pady a \u0159e\u0161en\u00ed
Spole\u010dn\u011b vyberou nejlep\u0161\u00ed \u0159e\u0161en\u00ed
Vytv\u00e1\u0159en\u00ed jednotliv\u00fdch model\u016f pomoc\u00ed modelovac\u00edho programu TinkerCAD - viz podrobn\u011bj\u0161\u00ed popis jednotliv\u00fdch krok\u016f v p\u0159\u00edloze v\u010detn\u011b obr\u00e1zk\u016f. Ka\u017ed\u00fd \u017e\u00e1k vytv\u00e1\u0159\u00ed jednu z p\u0159id\u011blen\u00fdch \u010d\u00e1st\u00ed, p\u0159\u00edpadn\u011b mohou pracovat ve dvojic\u00edch nebo trojic\u00edch - ide\u00e1ln\u011b slab\u0161\u00ed \u017e\u00e1ci se zdatn\u011bj\u0161\u00edmi
Poskl\u00e1d\u00e1n\u00ed jednotliv\u00fdch \u010d\u00e1st\u00ed do celku pro kontrolu zda \u201csed\u00ed\u201d
Sta\u017een\u00ed jednotliv\u00fdch \u010d\u00e1st\u00ed ve form\u00e1tu STL tak, aby se ve\u0161ly na tiskovou plochu tisk\u00e1rny
P\u0159\u00edprava a zpracov\u00e1n\u00ed jednotliv\u00fdch \u010d\u00e1st\u00ed pro tisk, nastaven\u00ed parametr\u016f tisku, v\u00fdb\u011br tisk\u00e1rny, v\u00fdb\u011br materi\u00e1lu, nastaven\u00ed podp\u011br, l\u00edmce p\u0159\u00edpadn\u011b dal\u0161\u00ed nastaven\u00ed podle pot\u0159eby, u konkr\u00e9tn\u00edho modelu hodin jsme nastavili v\u00fd\u0161ku vrstvy 0,2mm, bez l\u00edmce, bez podp\u011br, materi\u00e1l Prusament PLA, typ barevn\u00fd tisk a v\u00fdpl\u0148 cca do 30ti procent, pro spojky m\u016f\u017ee b\u00fdt i v\u00edce. U segment\u016f 3, 6, 9 a 12 je v\u00edce barevn\u00fdch vrstev konkr\u00e9tn\u011b 3. V\u011bt\u0161ina nastaven\u00ed je ji\u017e hotov\u00e1 p\u0159ednastaven\u00e1 pro jednotliv\u00e9 typy filament\u016f a tisk\u00e1ren a je vhodn\u00e9 je ponechat tak jak jsou. Pro znal\u00e9 a experty se nab\u00edz\u00ed nep\u0159ebern\u00e9 mno\u017estv\u00ed nastaven\u00ed.
P\u0159\u00edprava 3D tisk\u00e1rny v na\u0161em p\u0159\u00edpad\u011b Prusa MK3S+ kontrola tiskov\u00e9 plochy, odma\u0161t\u011bn\u00ed, zaveden\u00ed po\u017eadovan\u00e9ho filamentu, nahr\u00e1n\u00ed G-Code modelu na SD kartu, spu\u0161t\u011bn\u00ed tisku. B\u011bhem tisku je d\u016fle\u017eit\u00e9 si pohl\u00eddat hlavn\u011b prvn\u00ed vrstvu, kter\u00e1 je rozhoduj\u00edc\u00ed.
Sejmut\u00ed vyti\u0161t\u011bn\u00fdch \u010d\u00e1st\u00ed, kontrola kvality tisku, p\u0159\u00edpadn\u00e9 odstran\u011bn\u00ed nedostatk\u016f, po vyti\u0161t\u011bn\u00ed v\u0161ech d\u00edl\u016f se provede jejich sestaven\u00ed, n\u00e1m se osv\u011bd\u010dilo nasouvat spojovac\u00ed d\u00edly zespodu do cifern\u00edku a zespod do jednotliv\u00fdch segment\u016f. Pozor na um\u00edst\u011bn\u00ed spojek, maj\u00ed rozd\u00edlnou d\u00e9lku.
Dokon\u010den\u00ed mont\u00e1\u017ee osazen\u00edm hodinov\u00e9ho strojku do cifern\u00edku a jeho uta\u017een\u00edm p\u0159ilo\u017eenou matic\u00ed pomoc\u00ed ploch\u00fdch kle\u0161t\u00ed a p\u0159im\u011b\u0159en\u00e9 s\u00edly (p\u0159i n\u00e1kupu strojku je rozhoduj\u00edc\u00ed vybrat vhodnou d\u00e9lku st\u0159edov\u00e9ho z\u00e1vitu podle s\u00edly cifern\u00edku), osazen\u00edm ru\u010di\u010dek ide\u00e1ln\u011b v poloze 12 nebo 6 hodin, po se\u0159\u00edzen\u00ed spr\u00e1vn\u00e9ho \u010dasu lze hodiny zav\u011bsit na vhodn\u00e9 m\u00edsto na ze\u010f apod. (se\u0159\u00edzen\u00ed hodinov\u00e9ho strojku s DCF je tro\u0161ku slo\u017eit\u011bj\u0161\u00ed, n\u00e1vod je dod\u00e1v\u00e1n spolu se strojkem, p\u0159\u00edpadn\u011b je p\u0159ilo\u017een v souborech)

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Nástěnné hodiny s číslicemi ve dvojkové soustavě

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