{"id":1303,"date":"2020-08-13T06:11:25","date_gmt":"2020-08-13T06:11:25","guid":{"rendered":"https:\/\/pj4iaixa9m.wpdns.site\/?p=1303"},"modified":"2021-08-04T14:17:18","modified_gmt":"2021-08-04T14:17:18","slug":"analysis-of-stamping-process-of-automobile-anti-collision-beam","status":"publish","type":"post","link":"https:\/\/harslepress.com\/cs\/analysis-of-stamping-process-of-automobile-anti-collision-beam\/","title":{"rendered":"Anal\u00fdza procesu lisov\u00e1n\u00ed automobilov\u00e9ho protisr\u00e1\u017ekov\u00e9ho paprsku"},"content":{"rendered":"

Automobilov\u00fd pr\u016fmysl je pil\u00ed\u0159em sv\u011btov\u00e9ho zpracovatelsk\u00e9ho pr\u016fmyslu. S rozvojem v\u011bdy a techniky a neust\u00e1l\u00fdm r\u016fstem popt\u00e1vky na trhu se frekvence obnovy automobil\u016f zrychluje. Mezi nimi je d\u016fle\u017eit\u00fdm faktorem ovliv\u0148uj\u00edc\u00edm obnovu vozu aktualizace funkce a vzhledu autopotahu. Automobilov\u00e9 antikolizn\u00ed nosn\u00edky jsou d\u016fle\u017eitou sou\u010d\u00e1st\u00ed automobilov\u00fdch panel\u016f a jsou d\u016fle\u017eit\u00fdmi za\u0159\u00edzen\u00edmi automobil\u016f pro pohlcov\u00e1n\u00ed energie n\u00e1razu a zauj\u00edmaj\u00ed d\u016fle\u017eit\u00e9 postaven\u00ed ve v\u00fdrob\u011b automobil\u016f. Proto\u017ee proces tv\u00e1\u0159en\u00ed automobilov\u00fdch nosn\u00edk\u016f je pom\u011brn\u011b komplikovan\u00fd, jedn\u00e1 se o slo\u017eit\u00fd proces tvarov\u00e1n\u00ed s velk\u00fdm pr\u016fhybem a velkou deformac\u00ed. Proto by p\u0159i n\u00e1vrhu formy m\u011bla b\u00fdt pln\u011b zohledn\u011bna tekutost a zpevn\u011bn\u00ed kovu pod nap\u011bt\u00edm a m\u011bly by b\u00fdt br\u00e1ny v \u00favahu mo\u017en\u00e9 praskliny a praskliny kovu. Proto je nutn\u00e9 prozkoumat aplikaci technologie CAE p\u0159i konstrukci antikolizn\u00ed lisovac\u00ed matrice, optimalizovat a upravit proces lisov\u00e1n\u00ed a konstrukci matrice automobilov\u00e9ho protikolizn\u00edho nosn\u00edku, zlep\u0161it m\u00edru kvalifikace d\u00edl\u016f a zkr\u00e1tit n\u00e1vrh formy a doba v\u00fdroby. \u00da\u010del zlep\u0161it efektivitu v\u00fdroby.<\/p>\n\n\n\n

\"Protikolizn\u00ed<\/figure>\n\n\n\n

N\u00e1vrh procesu lisov\u00e1n\u00ed automobilov\u00e9ho protisr\u00e1\u017ekov\u00e9ho nosn\u00edku<\/h2>\n\n\n\n

Koncepce procesu lisov\u00e1n\u00ed<\/h3>\n\n\n\n

Proces tzv. lisov\u00e1n\u00ed je zp\u016fsob zpracov\u00e1n\u00ed obrobku ur\u010dit\u00e9ho tvaru odd\u011blov\u00e1n\u00edm pop\u0159 deformuj\u00edc\u00ed se<\/a> forma pod tlakem zalo\u017een\u00e1 na plastick\u00e9 deformaci kovu. Obrobek zpracovan\u00fd metodou lisov\u00e1n\u00ed se naz\u00fdv\u00e1 lisovac\u00ed d\u00edl a proces lisov\u00e1n\u00ed je d\u016fle\u017eit\u00fd p\u0159i v\u00fdrob\u011b automobil\u016f. Ve srovn\u00e1n\u00ed s jin\u00fdmi d\u00edly maj\u00ed kryc\u00ed d\u00edly vlastnosti slo\u017eit\u00e9 struktury, velk\u00e9 velikosti a plochy, obt\u00ed\u017en\u00e9ho lisov\u00e1n\u00ed a po\u017eadavk\u016f na vysokou kvalitu. Ke zpracov\u00e1n\u00ed takov\u00fdch d\u00edl\u016f se proto b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed metody lisov\u00e1n\u00ed a tv\u00e1\u0159en\u00ed.<\/p>\n\n\n\n

Klasifikace procesu ra\u017een\u00ed<\/h3>\n\n\n\n

P\u0159i v\u00fdrob\u011b lisov\u00e1n\u00ed lze zp\u016fsoby zpracov\u00e1n\u00ed lisov\u00e1n\u00edm rozd\u011blit na dva hlavn\u00ed typy proces\u016f, a to separa\u010dn\u00ed a formovac\u00ed procesy. Separa\u010dn\u00ed proces spo\u010d\u00edv\u00e1 hlavn\u011b v odd\u011blen\u00ed obrobku a polotovaru pod\u00e9l ur\u010den\u00e9ho obrysu, aby se dos\u00e1hlo po\u017eadovan\u00e9ho efektu. Proces tv\u00e1\u0159en\u00ed se t\u00fdk\u00e1 plastick\u00e9 deformace polotovaru za p\u0159edpokladu zaji\u0161t\u011bn\u00ed integrity polotovaru, aby se z\u00edskal antikolizn\u00ed paprsek o\u010dek\u00e1van\u00e9 velikosti a tvaru. Rozd\u011bleno podle procesu lisov\u00e1n\u00ed lze proces lisov\u00e1n\u00ed rozd\u011blit na vysek\u00e1v\u00e1n\u00ed, d\u011brov\u00e1n\u00ed, \u0159ez\u00e1n\u00ed, oh\u00fdb\u00e1n\u00ed, natahov\u00e1n\u00ed, obrubov\u00e1n\u00ed, o\u0159ez\u00e1v\u00e1n\u00ed a tvarov\u00e1n\u00ed.<\/p>\n\n\n\n

Obsah a kroky proces ra\u017een\u00ed<\/a> design<\/h3>\n\n\n\n

Kv\u016fli slo\u017eit\u00e9mu tvaru automobilov\u00e9ho protisr\u00e1\u017ekov\u00e9ho nosn\u00edku, velk\u00e9 konstruk\u010dn\u00ed velikosti, po\u017eadavk\u016fm na vysokou kvalitu a vysok\u00fdm po\u017eadavk\u016fm na tuhost je obt\u00ed\u017en\u00e9 jej vytvo\u0159it najednou a pro z\u00edsk\u00e1n\u00ed produktu je t\u0159eba proj\u00edt n\u011bkolika procesy. d\u00edly, kter\u00e9 spl\u0148uj\u00ed po\u017eadavky. P\u0159i navrhov\u00e1n\u00ed procesu lisov\u00e1n\u00ed automobilov\u00fdch antikolizn\u00edch nosn\u00edk\u016f je t\u0159eba komplexn\u011b zv\u00e1\u017eit r\u016fzn\u00e9 faktory. Nejen, \u017ee by v t\u00e9to f\u00e1zi m\u011bla spl\u0148ovat po\u017eadavky na efektivitu v\u00fdroby v\u00fdrobc\u016f automobil\u016f, ale tak\u00e9 by m\u011bla kombinovat v\u00fdrobn\u00ed n\u00e1klady procesu a ekonomick\u00e9 faktory a navrhnout pl\u00e1n v\u00fdrobn\u00edho procesu revize antikolizn\u00edho paprsku. Kroky zahrnuj\u00ed anal\u00fdzu lisovac\u00edch d\u00edl\u016f, formulaci pl\u00e1nu lisovac\u00edho procesu, stanoven\u00ed pl\u00e1nu lisovac\u00edho procesu, v\u00fdb\u011br typu a struktury lisovnice a v\u00fdb\u011br lisovac\u00edho za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

Proces ra\u017een\u00ed <\/h4>\n\n\n\n

Protikolizn\u00ed nosn\u00edk automobilu je um\u00edst\u011bn na vnit\u0159n\u00ed stran\u011b n\u00e1razn\u00edku. Obvykle se raz\u00ed do dr\u00e1\u017eky ve tvaru U z ocelov\u00e9ho plechu v\u00e1lcovan\u00e9ho za studena a spojuje se s pod\u00e9ln\u00fdm nosn\u00edkem r\u00e1mu automobilu. Je to d\u016fle\u017eit\u00e9 za\u0159\u00edzen\u00ed pro pohlcov\u00e1n\u00ed a ochranu schopnosti vozidla p\u0159i n\u00e1razu a m\u00e1 dobrou tvarovatelnost. V\u00fdrobek m\u016f\u017ee spl\u0148ovat v\u00fdkonnostn\u00ed po\u017eadavky na jeho ochranu proti kolizi. V\u00fdrobek je z\u00e1rove\u0148 nevzhledov\u00fdm d\u00edlem s vysok\u00fdmi n\u00e1roky na v\u00fdkon. P\u0159i n\u00e1vrhu protisr\u00e1\u017ekov\u00e9ho nosn\u00edku je proto t\u0159eba uva\u017eovat s t\u00edm, \u017ee protin\u00e1razov\u00fd nosn\u00edk by m\u011bl m\u00edt po vytvarov\u00e1n\u00ed ur\u010ditou tuhost.<\/p>\n\n\n\n

Vezm\u011bte si jako p\u0159\u00edklad protisr\u00e1\u017ekov\u00fd paprsek automobilu. Materi\u00e1l antikolizn\u00edho nosn\u00edku je B510L, d\u00e9lka je asi 1,2 m, \u0161\u00ed\u0159ka je asi 0,4 m, tlou\u0161\u0165ka p\u0159\u00ed\u0159ezu je 1,5 mm a hloubka v\u00fdkresu je 90 mm. Automobilov\u00e9 antikolizn\u00ed nosn\u00edky by m\u011bly b\u00fdt vyr\u00e1b\u011bny na z\u00e1klad\u011b spln\u011bn\u00ed konstruk\u010dn\u00edch po\u017eadavk\u016f z\u00e1kazn\u00edk\u016f. Proto by vzhled, rychlost zten\u010den\u00ed, dostate\u010dn\u00fd stupe\u0148 deformace a poloha prora\u017een\u00ed antikolizn\u00edho nosn\u00edku m\u011bly spl\u0148ovat konstruk\u010dn\u00ed po\u017eadavky. Z\u00e1rove\u0148 by hotov\u00e9 d\u00edly m\u011bly tak\u00e9 spl\u0148ovat po\u017eadavky na tvrdost a pevnost a b\u00fdt bez vr\u00e1sek a prasklin. Krom\u011b toho se d\u00edky nepravideln\u00e9mu vzhledu sou\u010d\u00e1sti a komplikovan\u00e9 deforma\u010dn\u00ed struktu\u0159e jedn\u00e1 o typick\u00fd velkorozm\u011brov\u00fd a komplikovan\u00fd hlubokota\u017en\u00fd d\u00edl. Mezi hlavn\u00ed body procesu ra\u017een\u00ed proto pat\u0159\u00ed: hlubok\u00e9 ta\u017een\u00ed, nen\u00ed snadn\u00e9 jej pln\u011b tvarovat a je vy\u017eadov\u00e1na velk\u00e1 ta\u017en\u00e1 s\u00edla. Pot\u0159eba pou\u017e\u00edvat mechanick\u00e9 za\u0159\u00edzen\u00ed s velkou ta\u017enou silou, velk\u00fdm zdvihem a rovnom\u011brn\u00fdm rozlo\u017een\u00edm tlaku; p\u0159i navrhov\u00e1n\u00ed procesu lisov\u00e1n\u00ed je t\u0159eba vz\u00edt v \u00favahu velikost odpadu a slo\u017eitost struktury formy a vn\u011bj\u0161\u00ed okraj d\u00edlu lze nejprve o\u0159\u00edznout nebo o\u0159\u00edznout po stran\u00e1ch a nakonec p\u0159etvo\u0159it; nad protin\u00e1razov\u00fdm nosn\u00edkem vozu je pravideln\u00fd kruhov\u00fd otvor o pr\u016fm\u011bru 37 mm, kter\u00fd m\u016f\u017ee kombinovat postupy d\u011brov\u00e1n\u00ed a o\u0159ez\u00e1v\u00e1n\u00ed pro sn\u00ed\u017een\u00ed po\u010dtu technik zpracov\u00e1n\u00ed.<\/p>\n\n\n\n

Pr\u00e1zdn\u00e1 anal\u00fdza <\/h4>\n\n\n\n

B510L je b\u011b\u017en\u00fd lisovac\u00ed materi\u00e1l pro automobilov\u00e9 nosn\u00edky s dobr\u00fdm v\u00fdkonem p\u0159i tv\u00e1\u0159en\u00ed za studena a pevnost\u00ed. Tento materi\u00e1l se vyzna\u010duje vysokou kvalitou, vysokou povrchovou \u00fapravou, dobr\u00fdm sva\u0159ovac\u00edm v\u00fdkonem a snadnou aplikac\u00ed oleje a barvy. Polotovar je analyzov\u00e1n softwarem Dynaform a velikost polotovaru je 1200 mm dlouh\u00e1, 340 mm \u0161irok\u00e1 a 1,5 mm tlust\u00e1.<\/p>\n\n\n\n

N\u00e1vrh procesu kreslen\u00ed <\/h4>\n\n\n\n

P\u0159i n\u00e1vrhu v\u00fdkresu by m\u011bl b\u00fdt nejprve ur\u010den pracovn\u00ed sou\u0159adnicov\u00fd syst\u00e9m ka\u017ed\u00e9ho procesu, konkr\u00e9tn\u011b sm\u011br ra\u017een\u00ed a referen\u010dn\u00ed bod digit\u00e1ln\u00edho modelu. Ur\u010den\u00ed sm\u011bru ra\u017een\u00ed je kl\u00ed\u010dov\u00fdm procesem konstruk\u010dn\u00ed pr\u00e1ce a jeho spr\u00e1vnost p\u0159\u00edmo ovliv\u0148uje tvar polotovaru a kvalitu n\u00e1sledn\u00e9ho ta\u017een\u00ed. Proces ra\u017een\u00ed by m\u011bl b\u00fdt ur\u010den komplexn\u00edm zv\u00e1\u017een\u00edm v\u00edce faktor\u016f: sm\u011br ra\u017een\u00ed by nem\u011bl zp\u016fsobovat z\u00e1porn\u00e9 \u00fahly, aby bylo zaji\u0161t\u011bno, \u017ee ra\u017eba m\u016f\u017ee b\u00fdt formov\u00e1na do o\u010dek\u00e1van\u00e9ho prostorov\u00e9ho tvaru, pokud je to mo\u017en\u00e9, aby se minimalizoval rozd\u00edl ve v\u00fd\u0161ce ta\u017een\u00ed, a t\u00edm se sn\u00ed\u017eil tekutost a deformace kovu. Probl\u00e9my s kvalitou zp\u016fsoben\u00e9 uniformitou. Na za\u010d\u00e1tku ta\u017een\u00ed by m\u011bl b\u00fdt zkontrolov\u00e1n stav kontaktu mezi razn\u00edkem a plechem, aby se zabr\u00e1nilo relativn\u00edmu pohybu razn\u00edku a plechu, co\u017e by ovlivnilo \u00fa\u010dinnost lisov\u00e1n\u00ed a zlep\u0161ilo kvalitu povrchu sou\u010d\u00e1sti.<\/p>\n\n\n\n

Za druh\u00e9, p\u0159i navrhov\u00e1n\u00ed lisovac\u00ed plochy, aby se z\u00edskaly kvalifikovan\u00e9 lisovac\u00ed d\u00edly, je nutn\u00e9 zajistit, aby podkladov\u00e1 tkanina byla hladk\u00e1 a ploch\u00e1, aby se zabr\u00e1nilo ma\u010dk\u00e1n\u00ed listu b\u011bhem lisovac\u00edho procesu. Sou\u010dasn\u011b by m\u011bla b\u00fdt konstrukce lisovac\u00ed plochy co nejjednodu\u0161\u0161\u00ed, ploch\u00e1 a naklon\u011bn\u00e1, aby se zabr\u00e1nilo velk\u00e9 bo\u010dn\u00ed s\u00edle v ur\u010dit\u00e9m sm\u011bru.<\/p>\n\n\n\n

N\u00e1vrh procesu o\u0159ez\u00e1v\u00e1n\u00ed a d\u011brov\u00e1n\u00ed<\/h4>\n\n\n\n

Vzhledem k velk\u00fdm rozm\u011br\u016fm automobilov\u00fdch antikolizn\u00edch nosn\u00edk\u016f, pokud se pou\u017eije jednor\u00e1zov\u00fd proces tv\u00e1\u0159en\u00ed, odpad vytvo\u0159en\u00fd d\u011brov\u00e1n\u00edm nemus\u00ed b\u00fdt vypu\u0161t\u011bn v\u010das. Proto p\u0159i navrhov\u00e1n\u00ed d\u011brov\u00e1n\u00ed m\u011b\u0159en\u00ed proti sr\u00e1\u017ece pou\u017eijte dva procesy, jmenovit\u011b bo\u010dn\u00ed o\u0159ez a d\u011brov\u00e1n\u00ed a bo\u010dn\u00ed o\u0159\u00edznut\u00ed. Ur\u010dete o\u0159ezovou linii podle po\u017eadavk\u016f, osvojte si kombinaci vertik\u00e1ln\u00edho o\u0159ez\u00e1v\u00e1n\u00ed a o\u0159ez\u00e1v\u00e1n\u00ed \u0161ikm\u00fdm kl\u00ednem, p\u0159i o\u0159ez\u00e1v\u00e1n\u00ed vyrazte kulat\u00e9 otvory. Po ur\u010den\u00ed o\u0159ezov\u00e9 linie by m\u011bla b\u00fdt ur\u010dena obrann\u00e1 linie o\u0159ezu a sm\u011br kolm\u00fd k povrchu protisr\u00e1\u017ekov\u00e9ho paprsku by m\u011bl b\u00fdt zvolen pokud mo\u017eno co nejd\u00e1le. Pokud nejsou vhodn\u00e9 podm\u00ednky, lze pro o\u0159ez\u00e1v\u00e1n\u00ed pou\u017e\u00edt proces \u0161ikm\u00e9ho kl\u00ednu. P\u0159i pou\u017eit\u00ed t\u00e9to metody \u0161ikm\u00e9ho kl\u00ednu je t\u0159eba zajistit, aby \u00fahel mezi sm\u011brem o\u0159ez\u00e1v\u00e1n\u00ed a povrchem profilu byl men\u0161\u00ed ne\u017e 15\u00b0 a ne v\u011bt\u0161\u00ed ne\u017e 30\u00b0. Po ur\u010den\u00ed sm\u011bru o\u0159ez\u00e1v\u00e1n\u00ed by m\u011bl b\u00fdt pln\u011b zv\u00e1\u017een n\u00e1sledn\u00fd proces n\u00e1vrhu formy a struktura formy by m\u011bla b\u00fdt co nejjednodu\u0161\u0161\u00ed, aby se p\u0159ede\u0161lo zbyte\u010dn\u00fdm probl\u00e9m\u016fm s n\u00e1sledn\u00fdm procesem.<\/p>\n\n\n\n

N\u00e1vrh procesu tvarov\u00e1n\u00ed <\/h4>\n\n\n\n

Proces tvarov\u00e1n\u00ed je posledn\u00edm krokem cel\u00e9ho procesu ra\u017een\u00ed. Po v\u00fd\u0161e uveden\u00e9m procesu se tvar polotovaru bl\u00ed\u017e\u00ed tvaru hotov\u00e9ho d\u00edlu, ale je pot\u0159eba jej lok\u00e1ln\u011b p\u0159etvarovat. Proto mus\u00ed b\u00fdt p\u0159i n\u00e1vrhu procesu antikolizn\u00ed paprsek p\u0159etvo\u0159en. Zpracov\u00e1n\u00ed pro korekci a kontrolu tvaru antikolizn\u00edho paprsku. Proto\u017ee profil antikolizn\u00edho paprsku je pom\u011brn\u011b slo\u017eit\u00fd a polom\u011br n\u011bkter\u00fdch zaoblen\u00fdch roh\u016f je mal\u00fd, jsou p\u0159i tvarov\u00e1n\u00ed n\u00e1chyln\u00e9 ke vzniku defekt\u016f, jako jsou praskliny a po\u0161kozen\u00ed. Proto lze podle aktu\u00e1ln\u00ed situace prohlouben\u00e9 zaoblen\u00e9 rohy b\u011bhem tvarov\u00e1n\u00ed zv\u011bt\u0161it, aby se usnadnilo hlubok\u00e9 ta\u017een\u00ed. V procesu tvarov\u00e1n\u00ed, aby byly spln\u011bny konstruk\u010dn\u00ed po\u017eadavky na kone\u010dn\u00fd tvar \u010d\u00e1sti protisr\u00e1\u017ekov\u00e9ho paprsku, by m\u011blo b\u00fdt zaoblen\u00ed zpracov\u00e1no v procesu tvarov\u00e1n\u00ed, aby se upravil kone\u010dn\u00fd tvar sou\u010d\u00e1sti, zlep\u0161ila se rozm\u011brov\u00e1 p\u0159esnost zpracov\u00e1n\u00ed sou\u010d\u00e1sti. a spl\u0148uj\u00ed konstruk\u010dn\u00ed po\u017eadavky sou\u010d\u00e1sti.<\/p>\n\n\n\n

N\u00e1vrh razidla pro automobilov\u00fd antikolizn\u00ed nosn\u00edk<\/h2>\n\n\n\n

P\u0159i v\u00fdrob\u011b automobilov\u00fdch antikolizn\u00edch nosn\u00edk\u016f je forma nezbytnou sou\u010d\u00e1st\u00ed lisovac\u00edho procesu. Podle r\u016fzn\u00fdch funkc\u00ed a proces\u016f lze automobilov\u00e9 antikolizn\u00ed formy rozd\u011blit na formy pro hlubok\u00e9 ta\u017een\u00ed, o\u0159ez\u00e1vac\u00ed d\u011brovac\u00ed formy, o\u0159ezov\u00e9 formy, tvarovac\u00ed formy a ta\u017en\u00e9 formy. Hlubok\u00e1 forma je z\u00e1kladem n\u00e1sledn\u00fdch forem, omezen\u00fdch na d\u00e9lku \u010dl\u00e1nku, tento \u010dl\u00e1nek bere jako p\u0159\u00edklad hlavn\u011b ta\u017enou formu automobilov\u00e9ho antikolizn\u00edho nosn\u00edku a p\u0159edstavuje metodu n\u00e1vrhu formy automobilov\u00e9ho antikolizn\u00edho nosn\u00edku z hlediska d\u011brova\u010d, matrice, polohovac\u00ed za\u0159\u00edzen\u00ed atd.<\/p>\n\n\n\n

Design d\u011brov\u00e1n\u00ed<\/h3>\n\n\n\n

N\u00e1vrh pr\u016fbojn\u00edku automobilov\u00e9ho protin\u00e1razov\u00e9ho nosn\u00edku zahrnuje v\u00fdrobu pr\u016fbojn\u00edku protin\u00e1razov\u00e9ho nosn\u00edku a v\u00fdrobu profilov\u00e9ho d\u00edlu. P\u0159i navrhov\u00e1n\u00ed razn\u00edku by m\u011bl b\u00fdt nata\u017een sm\u011brem nahoru od p\u0159\u00ed\u010dn\u00e9ho nosn\u00edku proti sr\u00e1\u017ece, aby vytvo\u0159il pravo\u00fahl\u00fd rovnob\u011b\u017enost\u011bn, m\u011bl by b\u00fdt korigov\u00e1n konvexn\u00ed povrch modelu a otvory pro sn\u00ed\u017een\u00ed hmotnosti a mont\u00e1\u017en\u00ed polohy vodic\u00ed desky by m\u011bly b\u00fdt navr\u017eeny tak, aby se dos\u00e1hlo t\u011bla razn\u00edku pro hlubok\u00e9 ta\u017een\u00ed. . P\u0159i n\u00e1vrhu profilov\u00e9 \u010d\u00e1sti jsou v\u00fdrobn\u00ed kroky stejn\u00e9 jako konstruk\u010dn\u00ed kroky lisovn\u00edku a profil je \u0159ez\u00e1n prota\u017een\u00edm d\u011blic\u00ed \u010d\u00e1ry, aby se vytvo\u0159il kone\u010dn\u00fd profil.<\/p>\n\n\n\n

Konstrukce konk\u00e1vn\u00ed formy<\/h3>\n\n\n\n

Pro dosa\u017een\u00ed \u00fa\u010delu sn\u00ed\u017een\u00ed hmotnosti lze p\u0159i v\u00fdrob\u011b hlubokota\u017en\u00e9 matrice automobilov\u00e9ho antikolizn\u00edho nosn\u00edku vyt\u00e1hnout ze st\u0159edn\u00edho profilu obd\u00e9ln\u00edkov\u00fd rovnob\u011b\u017enost\u011bn a matrici o\u0159\u00edznout ve sm\u011bru d\u011blic\u00ed \u010d\u00e1ry ta\u017een\u00ed, aby se z\u00edskal profilu. Prove\u010fte booleovsk\u00e9 ode\u010d\u00edt\u00e1n\u00ed s pravo\u00fahl\u00fdm rovnob\u011b\u017enost\u011bnem matrice, abyste z\u00edskali r\u00e1m matrice proti sr\u00e1\u017ece paprsku. Na tomto z\u00e1klad\u011b je r\u00e1m vyhlouben. Sou\u010dasn\u011b jsou uvnit\u0159 dutiny p\u0159id\u00e1na n\u011bkter\u00e1 \u017eebra, aby se z\u00edskala dutina dutiny.<\/p>\n\n\n\n

Konstrukce lisovac\u00edho j\u00e1dra<\/h3>\n\n\n\n

P\u0159i navrhov\u00e1n\u00ed formy zaslepovac\u00edho j\u00e1dra nejprve vytvo\u0159te obd\u00e9ln\u00edkov\u00fd rovnob\u011b\u017enost\u011bn ur\u010dit\u00e9 velikosti, ur\u010dete profil vn\u011bj\u0161\u00ed hrany nata\u017een\u00e9ho povrchu a pou\u017eijte operace obd\u00e9ln\u00edkov\u00e9ho rovnob\u011b\u017enost\u011bnu a booleovsk\u00e9 operace ode\u010d\u00edt\u00e1n\u00ed k ovl\u00e1d\u00e1n\u00ed obd\u00e9ln\u00edkov\u00e9ho rovnob\u011b\u017enost\u011bnu k vytvo\u0159en\u00ed horn\u00edho za\u0159\u00edzen\u00ed zaslepovac\u00edho j\u00e1dra a horn\u00ed za\u0159\u00edzen\u00ed, Horn\u00ed deska spodn\u00ed matrice a vyhazovac\u00ed \u010dep kone\u010dn\u011b dostanou konstruk\u010dn\u00ed pl\u00e1n lisovac\u00edho j\u00e1dra.<\/p>\n\n\n\n

N\u00e1vrh polohovac\u00edho za\u0159\u00edzen\u00ed<\/h3>\n\n\n\n

Polohovac\u00ed za\u0159\u00edzen\u00ed je polohovac\u00ed za\u0159\u00edzen\u00ed na protisr\u00e1\u017ekov\u00e9m nosn\u00edku, slou\u017e\u00edc\u00ed k upevn\u011bn\u00ed horn\u00ed a spodn\u00ed formy ta\u017en\u00e9 formy. P\u0159i navrhov\u00e1n\u00ed polohovac\u00edho za\u0159\u00edzen\u00ed by v\u00fd\u0161ka za\u0159\u00edzen\u00ed m\u011bla zohled\u0148ovat v\u00fd\u0161ku p\u0159\u00edtla\u010dn\u00e9 plochy, aby bylo zaji\u0161t\u011bno, \u017ee polohovac\u00ed blok je um\u00edst\u011bn kolmo k linii plechu, aby bylo zaji\u0161t\u011bno, \u017ee polohovac\u00ed blok je um\u00edst\u011bn relativn\u011b kolmo k linii plechu. P\u0159i navrhov\u00e1n\u00ed polohovac\u00edho za\u0159\u00edzen\u00ed je t\u0159eba vz\u00edt v \u00favahu faktory, jako je v\u00fd\u0161ka lisovac\u00ed plochy.<\/p>\n\n\n\n

Z\u00e1v\u011br<\/h2>\n\n\n\n

Automobilov\u00fd antikolizn\u00ed nosn\u00edk je d\u016fle\u017eitou sou\u010d\u00e1st\u00ed automobilov\u00fdch kryc\u00edch d\u00edl\u016f a je tak\u00e9 d\u016fle\u017eit\u00fdm za\u0159\u00edzen\u00edm pro pohlcov\u00e1n\u00ed energie n\u00e1razu p\u0159i sr\u00e1\u017ece automobilu. V automobilov\u00fdch za\u0159\u00edzen\u00edch zauj\u00edm\u00e1 v\u00fdznamn\u00e9 postaven\u00ed. V procesu v\u00fdzkumu procesu lisov\u00e1n\u00ed a n\u00e1vrhu forem antikolizn\u00edch nosn\u00edk\u016f vozidel by m\u011bly b\u00fdt formulov\u00e1ny podrobn\u00e9 pl\u00e1ny procesu s pomoc\u00ed technologie CAE, proces kreslen\u00ed by m\u011bl b\u00fdt analyzov\u00e1n a studov\u00e1n a parametry procesu by m\u011bly b\u00fdt optimalizov\u00e1ny. Sou\u010dasn\u011b je lisovnice navr\u017eena pomoc\u00ed softwaru UG, aby se zjednodu\u0161il proces lisov\u00e1n\u00ed a proces n\u00e1vrhu lisovnice, zlep\u0161ila se \u00fa\u010dinnost n\u00e1vrhu lisovnice a zajistila se kvalita antikolizn\u00edch paprsk\u016f.<\/p>","protected":false},"excerpt":{"rendered":"

The automobile industry is a pillar industry in the global manufacturing industry. With the development of science and technology and<\/p>","protected":false},"author":4,"featured_media":1298,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[487,489,490,488],"class_list":["post-1303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-punching-machine","tag-anti-collision-beam","tag-cae-technology","tag-mold-design","tag-stamping-process"],"jetpack_featured_media_url":"https:\/\/harslepress.com\/wp-content\/uploads\/2020\/08\/car.png","_links":{"self":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/posts\/1303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/comments?post=1303"}],"version-history":[{"count":0,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/posts\/1303\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/media\/1298"}],"wp:attachment":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/media?parent=1303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/categories?post=1303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/tags?post=1303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}