{"id":26829,"date":"2025-12-05T11:17:42","date_gmt":"2025-12-05T03:17:42","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=26829"},"modified":"2025-12-05T11:17:42","modified_gmt":"2025-12-05T03:17:42","slug":"pokyny-pro-toleranci-rovinnosti-hlinikovych-vylisku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/aluminum-extrusion-flatness-tolerance-guidelines\/","title":{"rendered":"Pokyny pro toleranci rovinnosti hlin\u00edkov\u00fdch v\u00fdlisk\u016f?"},"content":{"rendered":"

\"Vysoce
Vysoce p\u0159esn\u00e9 vytla\u010dov\u00e1n\u00ed hlin\u00edkov\u00fdch profil\u016f CNC obr\u00e1b\u011bc\u00ed d\u00edly p\u0159\u00edslu\u0161enstv\u00ed<\/figcaption><\/figure>\n<\/p>\n

N\u011bkdy se v\u00fdrobc\u016fm st\u00e1v\u00e1, \u017ee se d\u00edly po vytla\u010den\u00ed deformuj\u00ed nebo oh\u00fdbaj\u00ed. Probl\u00e9my s rovinnost\u00ed zp\u016fsobuj\u00ed probl\u00e9my na mont\u00e1\u017en\u00edch link\u00e1ch. Pokyny pro toleranci rovinnosti pom\u00e1haj\u00ed t\u011bmto probl\u00e9m\u016fm p\u0159edch\u00e1zet.<\/p>\n

Tolerance rovinnosti popisuje, jak ploch\u00fd mus\u00ed b\u00fdt vytla\u010dovan\u00fd hlin\u00edkov\u00fd d\u00edl. Dobr\u00e1 tolerance zaji\u0161\u0165uje, \u017ee d\u00edly do sebe zapadaj\u00ed a dob\u0159e funguj\u00ed. Tyto pokyny pom\u00e1haj\u00ed konstrukt\u00e9r\u016fm, in\u017een\u00fdr\u016fm a v\u00fdrobc\u016fm udr\u017eovat d\u00edly rovn\u00e9 a spolehliv\u00e9.<\/p>\n

P\u0159e\u010dt\u011bte si, co definuje p\u0159ijatelnou rovinnost, jak\u00fd vliv m\u00e1 velikost na toleranci, zda je t\u0159eba u velk\u00fdch profil\u016f zp\u0159\u00edsnit specifikace a co zp\u016fsobuje odchylky rovinnosti.<\/p>\n

Co definuje p\u0159ijatelnou rovinnost vytla\u010dovan\u00fdch d\u00edl\u016f?<\/h2>\n

Tolerance rovinnosti ud\u00e1v\u00e1, jak velk\u00e1 odchylka od dokonale rovn\u00e9ho povrchu je u vytla\u010dovan\u00e9ho d\u00edlu p\u0159\u00edpustn\u00e1. Stanovuje limity pro deformace nebo prohnut\u00ed ve sm\u011bru d\u00e9lky nebo \u0161\u00ed\u0159ky. P\u0159\u00edpustn\u00e1 rovinnost zaji\u0161\u0165uje, \u017ee d\u00edly z\u016fstanou v ur\u010dit\u00e9m \u201cp\u00e1smu rovinnosti\u201d, kter\u00e9 se \u010dasto m\u011b\u0159\u00ed v milimetrech na metr (nebo palc\u00edch na stopu).<\/p>\n

Rovinnost je obvykle definov\u00e1na maxim\u00e1ln\u00ed p\u0159\u00edpustnou v\u00fdchylkou na dan\u00e9 d\u00e9lce. Nap\u0159\u00edklad \u00b1 1,0 mm na metr nebo \u00b1 0,004 palce na stopu. Tyto normy se li\u0161\u00ed v z\u00e1vislosti na pou\u017eit\u00ed d\u00edlu, slo\u017eitosti profilu a po\u017eadavc\u00edch z\u00e1kazn\u00edka.<\/p>\n

Tolerance rovinnosti z\u00e1vis\u00ed na:<\/p>\n

    \n
  • materi\u00e1l (slitina a temperace) <\/li>\n
  • tvar profilu a tlou\u0161\u0165ka st\u011bny <\/li>\n
  • po\u017eadovanou d\u00e9lku a \u0161\u00ed\u0159ku <\/li>\n
  • jak\u00e9koli n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed (\u0159ez\u00e1n\u00ed, obr\u00e1b\u011bn\u00ed, oh\u00fdb\u00e1n\u00ed). <\/li>\n<\/ul>\n

    Dobr\u00e1 specifikace rovinnosti chr\u00e1n\u00ed kvalitu a l\u00edcov\u00e1n\u00ed kone\u010dn\u00fdch v\u00fdrobk\u016f. \u0160patn\u011b definovan\u00e1 rovinnost m\u016f\u017ee zp\u016fsobit mezery, nesouosost nebo \u0161patnou mont\u00e1\u017e.<\/p>\n

    \"Obr\u00e1b\u011bn\u00fd
    Obr\u00e1b\u011bn\u00fd hlin\u00edkov\u00fd v\u00fdlisek<\/figcaption><\/figure>\n<\/p>\n

    Pono\u0159te se hloub\u011bji<\/h3>\n

    Plochost je v\u00edc ne\u017e jen v\u00e1gn\u00ed p\u0159edstava, \u017ee \u201cnen\u00ed ohnut\u00e1\u201d. Pot\u0159ebuje \u010d\u00edselnou definici. V praxi se rovinnost m\u011b\u0159\u00ed bu\u010f polo\u017een\u00edm vytla\u010den\u00e9ho profilu na rovn\u00fd povrch a kontrolou mezer, nebo m\u011b\u0159en\u00edm pr\u016fhybu p\u0159i mal\u00e9m zat\u00ed\u017een\u00ed. Mnoho v\u00fdrobc\u016f pou\u017e\u00edv\u00e1 n\u00e1stroj pro m\u011b\u0159en\u00ed rovinnosti nebo rovnou hranu a m\u011brky.<\/p>\n

    Kdy\u017e konstrukt\u00e9\u0159i nastavuj\u00ed toleranci rovinnosti, mus\u00ed vyv\u00e1\u017eit n\u00e1klady, vyrobitelnost a funkci. Velmi p\u0159\u00edsn\u00fd po\u017eadavek na rovinnost m\u016f\u017ee zv\u00fd\u0161it zmetkovitost nebo prodlou\u017eit dobu v\u00fdroby - proto\u017ee vytla\u010dovan\u00e9 d\u00edly se b\u011bhem chlazen\u00ed \u010dasto deformuj\u00ed. Na druhou stranu p\u0159\u00edli\u0161 voln\u00e1 tolerance m\u016f\u017ee zp\u016fsobit, \u017ee d\u00edly budou p\u0159i mont\u00e1\u017ei \u0161patn\u011b pasovat nebo sel\u017eou.<\/p>\n

    Z\u00e1le\u017e\u00ed na teplot\u011b slitiny. Nap\u0159\u00edklad hlin\u00edk 6063-T5 b\u00fdv\u00e1 m\u011bk\u010d\u00ed a n\u00e1chyln\u011bj\u0161\u00ed k oh\u00fdb\u00e1n\u00ed ne\u017e 6061-T6. Pokud je m\u011bkk\u00fd temperovan\u00fd d\u00edl dlouh\u00fd a tenk\u00fd, m\u016f\u017ee se pod vlastn\u00ed vahou prohnout. Tolerance tedy mus\u00ed zohlednit chov\u00e1n\u00ed materi\u00e1lu.<\/p>\n

    Tvar profilu zvy\u0161uje slo\u017eitost. Jednoduch\u00e9 \u010dtvercov\u00e9 nebo obd\u00e9ln\u00edkov\u00e9 trubky se sn\u00e1ze udr\u017euj\u00ed v rovin\u011b ne\u017e asymetrick\u00e9 nebo t\u011b\u017ek\u00e9 profily s r\u016fznou tlou\u0161\u0165kou st\u011bny. Profily s dlouh\u00fdmi tenk\u00fdmi \u017eebry nebo \u017eebry se mohou v r\u016fzn\u00fdch \u0159ezech r\u016fzn\u011b deformovat.<\/p>\n

    D\u00e9lka je rozhoduj\u00edc\u00ed. T\u0159\u00edmetrov\u00fd profil se m\u016f\u017ee proh\u00fdbat v\u00edce ne\u017e 0,5metrov\u00fd kus. V\u00fdrobci n\u011bkdy ud\u00e1vaj\u00ed rovinnost na jednotku d\u00e9lky (nap\u0159. mm na metr), aby byl po\u017eadavek \u0161k\u00e1lovateln\u00fd. \u010casto po\u017eaduj\u00ed, aby \u017e\u00e1dn\u00fd bod pod\u00e9l profilu nep\u0159ekro\u010dil mezn\u00ed hodnotu pr\u016fhybu vzhledem k rovn\u00e9 hran\u011b.<\/p>\n

    Rovinnost m\u016f\u017ee b\u00fdt zm\u011bn\u011bna tak\u00e9 povrchovou \u00fapravou a navazuj\u00edc\u00edmi operacemi. Obr\u00e1b\u011bn\u00ed, d\u011brov\u00e1n\u00ed nebo oh\u00fdb\u00e1n\u00ed m\u016f\u017ee vn\u00e9st do d\u00edlu nap\u011bt\u00ed, kter\u00e9 jej deformuje. Z\u00e1kladn\u00ed rovinnost proto mus\u00ed zahrnovat p\u0159\u00edpustnou odchylku pro dal\u0161\u00ed opracov\u00e1n\u00ed. V n\u011bkter\u00fdch p\u0159\u00edpadech se dodavatel a z\u00e1kazn\u00edk dohodnou, \u017ee rovinnost mus\u00ed z\u016fstat zachov\u00e1na i po navazuj\u00edc\u00edch operac\u00edch.<\/p>\n

    Kontext pou\u017eit\u00ed tak\u00e9 ur\u010duje, co znamen\u00e1 \u201cp\u0159ijateln\u00fd\u201d. Pro konstruk\u010dn\u00ed aplikace - jako je r\u00e1mov\u00e1n\u00ed, koleje nebo podp\u011bry - mus\u00ed b\u00fdt rovinnost t\u011bsn\u00e1. Pro dekorativn\u00ed nebo m\u00e9n\u011b kritick\u00e9 pou\u017eit\u00ed - jako jsou oblo\u017een\u00ed nebo nenosn\u00e9 panely - m\u016f\u017ee sta\u010dit voln\u011bj\u0161\u00ed tolerance.<\/p>\n

    Pokud je rovnost pe\u010dliv\u011b definov\u00e1na, st\u00e1v\u00e1 se jasnou smlouvou mezi kupuj\u00edc\u00edm a dodavatelem. Pom\u00e1h\u00e1 sn\u00ed\u017eit po\u010det spor\u016f a zmetk\u016f. Bez n\u00ed se kvalita st\u00e1v\u00e1 subjektivn\u00ed: \u201cvypad\u00e1 v po\u0159\u00e1dku\u201d se st\u00e1v\u00e1 d\u016fvodem k reklamaci. Dobrou prax\u00ed je specifikovat rovinnost ve v\u00fdkresov\u00e9 a zad\u00e1vac\u00ed dokumentaci.<\/p>\n

    Z\u00e1v\u011brem: p\u0159ijateln\u00e1 rovinnost je definov\u00e1na \u010d\u00edseln\u00fdm limitem pr\u016fhybu na ur\u010dit\u00e9 d\u00e9lce a m\u011b\u0159ena za definovan\u00fdch podm\u00ednek. Z\u00e1vis\u00ed na slitin\u011b, temperaci, tvaru profilu, velikosti a n\u00e1sledn\u00e9m pou\u017eit\u00ed.<\/p>\n

    <\/svg> Tolerance rovinnosti se \u010dasto ud\u00e1v\u00e1 pomoc\u00ed maxim\u00e1ln\u00ed hodnoty pr\u016fhybu na ur\u010dit\u00e9 d\u00e9lce.<\/b>Pravda<\/span><\/p>

    Specifikace rovinnosti obvykle definuj\u00ed p\u0159\u00edpustnou odchylku (nap\u0159. mm na metr), nikoli pouze vizu\u00e1ln\u00ed 'rovinnost'.<\/p><\/div>
    \n

    <\/svg> Tolerance rovinnosti nez\u00e1vis\u00ed na temperaci slitiny nebo tvaru profilu.<\/b>False<\/span><\/p>

    Plochost z\u00e1vis\u00ed na temperaci slitiny, tvaru profilu, tlou\u0161\u0165ce st\u011bny a dal\u0161\u00edch faktorech.<\/p><\/div><\/p>\n

    Jak rozm\u011bry ovliv\u0148uj\u00ed tolerance rovinnosti?<\/h2>\n

    Kr\u00e1tk\u00e1 odpov\u011b\u010f: V\u011bt\u0161\u00ed a ten\u010d\u00ed d\u00edly maj\u00ed tendenci se v\u00edce deformovat. Men\u0161\u00ed nebo siln\u011bj\u0161\u00ed d\u00edly ohybu odol\u00e1vaj\u00ed. Velkou roli tedy hraj\u00ed rozm\u011bry. \u0160ir\u0161\u00ed profily mohou vy\u017eadovat p\u0159\u00edsn\u011bj\u0161\u00ed rovinnost na \u0161\u00ed\u0159ku, zat\u00edmco tenk\u00e9 a dlouh\u00e9 profily mohou vy\u017eadovat voln\u011bj\u0161\u00ed rovinnost na d\u00e9lku, ale celkov\u011b p\u0159\u00edsn\u011bj\u0161\u00ed kontrolu.<\/p>\n

    Na rozm\u011brech z\u00e1le\u017e\u00ed, proto\u017ee ohyb nebo deformace roste s d\u00e9lkou a kles\u00e1 s tlou\u0161\u0165kou nebo tuhost\u00ed pr\u016f\u0159ezu. Tenk\u00e9 st\u011bny snadno podl\u00e9haj\u00ed. \u0160irok\u00e9 profily s t\u011b\u017ek\u00fdmi st\u011bnami jsou tu\u017e\u0161\u00ed. Konstrukt\u00e9\u0159i \u010dasto pou\u017e\u00edvaj\u00ed tabulku nebo graf pro spojen\u00ed rozm\u011br\u016f d\u00edlu s mezn\u00edmi hodnotami rovinnosti.<\/p>\n

    Zde je vzorov\u00e1 orienta\u010dn\u00ed tabulka:<\/p>\n\n\n\n\n\n\n\n\n
    \u0160\u00ed\u0159ka profilu \/ tlou\u0161\u0165ka st\u011bny<\/th>\nTypick\u00e1 tolerance rovinnosti (na metr)<\/th>\n<\/tr>\n<\/thead>\n
    \u0160\u00ed\u0159ka < 50 mm, st\u011bna \u2265 2 mm<\/td>\n\u00b1 0,5 mm\/m<\/td>\n<\/tr>\n
    \u0160\u00ed\u0159ka 50-100 mm, st\u011bna \u2265 3 mm<\/td>\n\u00b1 0,7 mm\/m<\/td>\n<\/tr>\n
    \u0160\u00ed\u0159ka 100-200 mm, st\u011bna \u2265 4 mm<\/td>\n\u00b1 1,0 mm\/m<\/td>\n<\/tr>\n
    \u0160\u00ed\u0159ka > 200 mm nebo slo\u017eit\u00fd tvar<\/td>\n\u00b1 1,2 mm\/m nebo podle dohody<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Tato tabulka pom\u00e1h\u00e1 kupuj\u00edc\u00edmu i dodavateli zah\u00e1jit jedn\u00e1n\u00ed. Nejedn\u00e1 se o pevn\u00e9 pravidlo. M\u011bn\u00ed se v z\u00e1vislosti na slitin\u011b, temperaci a pou\u017eit\u00ed d\u00edlu.<\/p>\n

    \"Eloxov\u00e1n\u00ed
    Eloxov\u00e1n\u00ed pouzder Velk\u00fdch hlin\u00edkov\u00fdch v\u00fdlisk\u016f<\/figcaption><\/figure>\n<\/p>\n

    Pono\u0159te se hloub\u011bji<\/h3>\n

    Rozm\u011bry m\u011bn\u00ed, jak snadno se d\u00edl m\u016f\u017ee oh\u00fdbat nebo deformovat. P\u0159edstavte si prav\u00edtko: tenk\u00e9 plastov\u00e9 prav\u00edtko se oh\u00fdb\u00e1 pod vlastn\u00ed vahou. T\u011b\u017ek\u00e9 d\u0159ev\u011bn\u00e9 prav\u00edtko m\u016f\u017ee z\u016fstat rovn\u00e9. U hlin\u00edkov\u00e9ho v\u00fdlisku se tlou\u0161\u0165ka st\u011bny a tvar pr\u016f\u0159ezu chovaj\u00ed jako tlou\u0161\u0165ka tohoto prav\u00edtka.<\/p>\n

    P\u0159i mal\u00e9 tlou\u0161\u0165ce st\u011bny m\u016f\u017ee i mal\u00e1 d\u00e9lka zp\u016fsobit znateln\u00e9 prohnut\u00ed. Nap\u0159\u00edklad t\u0159\u00edmetrov\u00e1 trubka se st\u011bnami o tlou\u0161\u0165ce 1,5 mm se m\u016f\u017ee pod vlastn\u00ed vahou m\u00edrn\u011b prohnout. Tento ohyb by mohl b\u00fdt nad r\u00e1mec toho, co z\u00e1kazn\u00edk akceptuje.<\/p>\n

    \u0160ir\u0161\u00ed profily zvy\u0161uj\u00ed tuhost v cel\u00e9 \u0161\u00ed\u0159ce, ale tak\u00e9 zv\u011bt\u0161uj\u00ed plochu. To znamen\u00e1, \u017ee p\u0159i chlazen\u00ed by se nerovnom\u011brn\u00e9 rozlo\u017een\u00ed nap\u011bt\u00ed mohlo na jedn\u00e9 stran\u011b deformovat v\u00edce ne\u017e na druh\u00e9. U \u0161irok\u00fdch profil\u016f s tenk\u00fdmi st\u011bnami m\u016f\u017ee b\u00fdt rovinnost na \u0161\u00ed\u0159ku hor\u0161\u00ed ne\u017e na d\u00e9lku. Kupuj\u00edc\u00ed mohou po\u017eadovat rovinnost v obou sm\u011brech - pod\u00e9ln\u011b i p\u0159\u00ed\u010dn\u011b - zejm\u00e9na pokud je profil dostate\u010dn\u011b \u0161irok\u00fd.<\/p>\n

    D\u00edly se slo\u017eit\u00fdmi pr\u016f\u0159ezy tento efekt zesiluj\u00ed. Sloupky, kan\u00e1ly nebo profily s v\u00edce dutinami mohou chladnout nerovnom\u011brn\u011b. Tenk\u00e9 p\u00e1sy a tlust\u00e9 p\u0159\u00edruby se ochlazuj\u00ed r\u016fznou rychlost\u00ed. Tento rozd\u00edl v rychlosti chlazen\u00ed vytv\u00e1\u0159\u00ed vnit\u0159n\u00ed pnut\u00ed. Toto nap\u011bt\u00ed m\u016f\u017ee v\u00e9st ke zkroucen\u00ed, prohnut\u00ed nebo jin\u00fdm deformac\u00edm.<\/p>\n

    D\u00e9lka a tlou\u0161\u0165ka spole\u010dn\u011b ovliv\u0148uj\u00ed prakti\u010dnost. P\u0159i velk\u00fdch d\u00e9lk\u00e1ch a tenk\u00fdch st\u011bn\u00e1ch mus\u00ed b\u00fdt tolerance rovinnosti shov\u00edvav\u011bj\u0161\u00ed. Pokud z\u00e1kazn\u00edk po\u017eaduje p\u0159\u00edsnou toleranci, m\u016f\u017ee b\u00fdt dodavatel nucen zv\u00fd\u0161it tlou\u0161\u0165ku st\u011bny nebo omezit d\u00e9lku d\u00edlu. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b se zv\u00fd\u0161\u00ed zmetkovitost.<\/p>\n

    V\u00fdrobci se n\u011bkdy dohodnou na \u201crovinnosti na stopu (nebo metr)\u201d nam\u00edsto absolutn\u00ed rovinnosti. Tento p\u0159\u00edstup se stup\u0148uje s d\u00e9lkou d\u00edlu. Odb\u011bratel a dodavatel mohou odvodit toleranci na metr a pot\u00e9 ji aplikovat na celkovou d\u00e9lku d\u00edlu. Tato metoda je spravedliv\u011bj\u0161\u00ed a p\u0159edv\u00eddateln\u011bj\u0161\u00ed ne\u017e pevn\u00e1 absolutn\u00ed hodnota pro v\u0161echny d\u00e9lky.<\/p>\n

    Tak\u00e9 navazuj\u00edc\u00ed procesy, jako je \u0159ez\u00e1n\u00ed, obr\u00e1b\u011bn\u00ed a oh\u00fdb\u00e1n\u00ed, z\u00e1vis\u00ed na rozm\u011brech d\u00edl\u016f. U velk\u00fdch \u0161irok\u00fdch profil\u016f nemus\u00ed mal\u00e9 odchylky rovinnosti vadit p\u0159i estetick\u00e9m o\u0159ez\u00e1v\u00e1n\u00ed, ale mohou m\u00edt v\u00fdznam pro konstruk\u010dn\u00ed r\u00e1my. V t\u011bchto p\u0159\u00edpadech mus\u00ed b\u00fdt tolerance v souladu s funk\u010dn\u00edmi pot\u0159ebami. P\u0159ed definov\u00e1n\u00edm rovinnosti mus\u00ed konstrukt\u00e9\u0159i pochopit kone\u010dn\u00e9 pou\u017eit\u00ed - konstruk\u010dn\u00ed nebo kosmetick\u00e9.<\/p>\n

    Ve skute\u010dnosti je \u201cp\u0159ijateln\u00e1 rovinnost\u201d ot\u00e1zkou vyjedn\u00e1v\u00e1n\u00ed. Kupuj\u00edc\u00ed ur\u010duje, co je pot\u0159eba. Dodavatel odpov\u00edd\u00e1, co je vzhledem k rozm\u011br\u016fm a materi\u00e1lu mo\u017en\u00e9. M\u016f\u017ee upravit tlou\u0161\u0165ku, temperaci, nebo dokonce navrhnout p\u0159epracov\u00e1n\u00ed profilu. N\u011bkdy p\u0159id\u00e1 podp\u016frn\u00e1 \u017eebra nebo v\u00fdztuhy pro zlep\u0161en\u00ed tuhosti. Toto vyjedn\u00e1v\u00e1n\u00ed zaji\u0161\u0165uje, \u017ee d\u00edly mohou b\u00fdt vytla\u010dov\u00e1ny hospod\u00e1rn\u011b a z\u00e1rove\u0148 spl\u0148uj\u00ed konstruk\u010dn\u00ed funkci.<\/p>\n

    <\/svg> Tenkost\u011bnn\u00e9, dlouh\u00e9 lisovan\u00e9 d\u00edly jsou n\u00e1chyln\u011bj\u0161\u00ed k odchylk\u00e1m rovinnosti.<\/b>Pravda<\/span><\/p>

    Tenk\u00e9 st\u011bny a velk\u00e1 d\u00e9lka sni\u017euj\u00ed tuhost a zvy\u0161uj\u00ed riziko ohybu.<\/p><\/div>
    \n

    <\/svg> \u0160ir\u0161\u00ed profily v\u017edy usnad\u0148uj\u00ed dodr\u017een\u00ed tolerance rovinnosti bez kompromis\u016f.<\/b>False<\/span><\/p>

    Vysv\u011btlen\u00ed nen\u00ed k dispozici.<\/p><\/div>\"] <\/p>\n

    Jsou specifikace rovinnosti pro velk\u00e9 profily p\u0159\u00edsn\u011bj\u0161\u00ed?<\/h2>\n

    Na prvn\u00ed pohled se m\u016f\u017ee zd\u00e1t, \u017ee v\u011bt\u0161\u00ed profily vy\u017eaduj\u00ed p\u0159\u00edsn\u011bj\u0161\u00ed specifikace. \u010casto se v\u0161ak st\u00e1v\u00e1, \u017ee velk\u00e9 profily maj\u00ed ve srovn\u00e1n\u00ed s mal\u00fdmi p\u0159esn\u00fdmi d\u00edly voln\u011bj\u0161\u00ed toleranci rovinnosti. Pot\u0159eba p\u0159\u00edsn\u011bj\u0161\u00edch specifikac\u00ed z\u00e1vis\u00ed na pou\u017eit\u00ed, nejen na velikosti. U velk\u00fdch konstruk\u010dn\u00edch d\u00edl\u016f nemus\u00ed b\u00fdt tolerance rovinnosti extr\u00e9mn\u011b p\u0159\u00edsn\u00e9. U men\u0161\u00edch p\u0159esn\u00fdch d\u00edl\u016f m\u016f\u017ee b\u00fdt tolerance p\u0159\u00edsn\u011bj\u0161\u00ed.<\/p>\n

    U velk\u00fdch profil\u016f \u010dasto ur\u010duje tuhost tlou\u0161\u0165ka st\u011bny a geometrie pr\u016f\u0159ezu. To sni\u017euje riziko ohybu. Nap\u011bt\u00ed p\u0159i chlazen\u00ed a hmotnost v\u0161ak mohou zp\u016fsobit prohnut\u00ed. Tolerance pro velk\u00e9 profily tedy mohou povolit v\u011bt\u0161\u00ed pr\u016fhyb na dlouh\u00fdch d\u00e9lk\u00e1ch, ale st\u00e1le se o\u010dek\u00e1v\u00e1 rovinnost v rozumn\u00fdch mez\u00edch. Specifikace by m\u011bla odr\u00e1\u017eet skute\u010dn\u00e9 funk\u010dn\u00ed pot\u0159eby.<\/p>\n

    Velk\u00e9 profily pou\u017e\u00edvan\u00e9 ve stavebnictv\u00ed nebo p\u0159i r\u00e1mov\u00e1n\u00ed \u010dasto vy\u017eaduj\u00ed dostate\u010dn\u011b dobrou rovinnost pro zaji\u0161t\u011bn\u00ed vyrovn\u00e1n\u00ed, ale ne dokonalou kosmetickou rovinnost. Naproti tomu mal\u00e9 profily pou\u017e\u00edvan\u00e9 ve strojn\u00edch sou\u010d\u00e1stech nebo sestav\u00e1ch mohou vy\u017eadovat velmi t\u011bsnou rovinnost, aby bylo zaji\u0161t\u011bno spr\u00e1vn\u00e9 ulo\u017een\u00ed. Specifikace rovinnosti tedy nejsou u velk\u00fdch profil\u016f striktn\u011b p\u0159\u00edsn\u011bj\u0161\u00ed; z\u00e1vis\u00ed na pou\u017eit\u00ed d\u00edlu a jeho kone\u010dn\u00e9 funkci.<\/p>\n

    \"Stavebn\u00ed
    Stavebn\u00ed hlin\u00edkov\u00e9 v\u00fdlisky OEM Interlocking<\/figcaption><\/figure>\n<\/p>\n

    Pono\u0159te se hloub\u011bji<\/h3>\n

    Velk\u00e9 profily \u010dasto p\u016fsob\u00ed t\u011b\u017ece a strnule. V mnoha p\u0159\u00edpadech takov\u00e9 jsou. To p\u0159in\u00e1\u0161\u00ed v\u00fdhodu v odolnosti proti ohybu. Nap\u0159\u00edklad 150 mm \u0161irok\u00fd profil se st\u011bnami o tlou\u0161\u0165ce 6 mm m\u016f\u017ee na \u0161estimetrov\u00e9 d\u00e9lce snadno z\u016fstat rovn\u00fd. V takov\u00e9m p\u0159\u00edpad\u011b se dodavatel a odb\u011bratel mohou dohodnout na m\u00edrn\u00e9 toleranci rovinnosti, nap\u0159\u00edklad \u00b1 1,5 mm na metr. Tato \u00farove\u0148 je dostate\u010dn\u00e1 pro konstruk\u010dn\u00ed r\u00e1my nebo podp\u011bry budov, kde m\u00edrn\u00e1 odchylka neporu\u0161\u00ed mont\u00e1\u017e.<\/p>\n

    Velk\u00e9 profily v\u0161ak p\u0159in\u00e1\u0161ej\u00ed n\u011bkter\u00e9 specifick\u00e9 probl\u00e9my. Za prv\u00e9, jejich vlastn\u00ed hmotnost m\u016f\u017ee zp\u016fsobit prohnut\u00ed p\u0159i manipulaci nebo skladov\u00e1n\u00ed. Pokud jsou profily naskl\u00e1d\u00e1ny na sebe nebo podep\u0159eny v n\u011bkolika bodech, m\u016f\u017ee \u010dasem doj\u00edt k jejich prohnut\u00ed. To znamen\u00e1, \u017ee i kdy\u017e je vytla\u010dov\u00e1n\u00ed rovn\u00e9, skladov\u00e1n\u00ed nebo p\u0159eprava mohou d\u00edl ohnout. T\u011bsn\u00e1 specifikace rovinnosti p\u0159ed zabalen\u00edm nemus\u00ed p\u0159i \u0161patn\u00e9 manipulaci po dod\u00e1n\u00ed vydr\u017eet. Aby se tomu p\u0159ede\u0161lo, mus\u00ed b\u00fdt sou\u010d\u00e1st\u00ed specifikace zp\u016fsob balen\u00ed a podep\u0159en\u00ed.<\/p>\n

    Za druh\u00e9, chlazen\u00ed je u \u0161irok\u00fdch nebo t\u011b\u017ek\u00fdch profil\u016f nerovnom\u011brn\u00e9. R\u016fzn\u00e9 oblasti se ochlazuj\u00ed r\u016fznou rychlost\u00ed. Tento rozd\u00edl zp\u016fsobuje vnit\u0159n\u00ed pnut\u00ed. Toto nap\u011bt\u00ed m\u016f\u017ee profil po ochlazen\u00ed nebo po obr\u00e1b\u011bn\u00ed deformovat. U velk\u00fdch profil\u016f s r\u016fzn\u00fdmi pr\u016f\u0159ezy se m\u016f\u017ee jedna strana smr\u0161tit d\u0159\u00edve ne\u017e druh\u00e1. Tento efekt m\u016f\u017ee profil m\u00edrn\u011b zkroutit nebo prohnout. Specifikace rovinnosti tedy mus\u00ed s t\u011bmito deformacemi po\u010d\u00edtat nebo stanovit rovn\u00e1n\u00ed po ochlazen\u00ed.<\/p>\n

    Za t\u0159et\u00ed, navazuj\u00edc\u00ed pou\u017eit\u00ed je d\u016fle\u017eit\u00e9. Pokud bude profil pou\u017eit jako nosn\u00edk nebo konstruk\u010dn\u00ed podp\u011bra, m\u016f\u017ee b\u00fdt ur\u010dit\u00e1 odchylka rovinnosti p\u0159ijateln\u00e1, proto\u017ee nosn\u00edky se p\u0159i pou\u017eit\u00ed stejn\u011b oh\u00fdbaj\u00ed. Pokud v\u0161ak bude profil sou\u010d\u00e1st\u00ed r\u00e1mu, kter\u00fd vy\u017eaduje p\u0159esn\u00e9 vyrovn\u00e1n\u00ed, nebo bude p\u0159ipojen k jin\u00fdm d\u00edl\u016fm, pak je rovinnost d\u016fle\u017eit\u011bj\u0161\u00ed. N\u011bkdy kupuj\u00edc\u00ed prost\u011b specifikuj\u00ed \u201cp\u00e1smo rovinnosti\u201d sp\u00ed\u0161e ne\u017e striktn\u00ed hodnotu - nap\u0159. \u201c\u017e\u00e1dn\u00e1 odchylka v\u011bt\u0161\u00ed ne\u017e 2 mm po cel\u00e9 d\u00e9lce a \u017e\u00e1dn\u00fd lok\u00e1ln\u00ed oblouk v\u011bt\u0161\u00ed ne\u017e 0,5 mm na metr\u201d.<\/p>\n

    Velk\u00e1 velikost tedy nemus\u00ed v\u017edy znamenat p\u0159\u00edsn\u011bj\u0161\u00ed specifikace. Pot\u0159eba p\u0159\u00edsn\u011bj\u0161\u00ed rovinnosti z\u00e1vis\u00ed na funkci, mont\u00e1\u017en\u00ed toleranci a kone\u010dn\u00e9m pou\u017eit\u00ed. Dodavatel\u00e9 to mus\u00ed projednat se z\u00e1kazn\u00edky. Ob\u010das m\u016f\u017ee z\u00e1kazn\u00edk po\u017eadovat i rovn\u00e1n\u00ed po vytla\u010dov\u00e1n\u00ed nebo po obr\u00e1b\u011bn\u00ed. To je b\u011b\u017en\u00e9, kdy\u017e velk\u00e9 d\u00edly mus\u00ed spl\u0148ovat p\u0159\u00edsn\u00e9 zarovn\u00e1n\u00ed v konstrukc\u00edch.<\/p>\n

    Stru\u010dn\u011b \u0159e\u010deno, specifikace rovinnosti pro velk\u00e9 profily nen\u00ed automaticky p\u0159\u00edsn\u011bj\u0161\u00ed. M\u011bla by vych\u00e1zet z toho, jak bude d\u00edl pou\u017e\u00edv\u00e1n. Tuh\u00e1 konstrukce, manipulace, chlazen\u00ed a kone\u010dn\u00e9 pou\u017eit\u00ed ovliv\u0148uj\u00ed, jak\u00e1 tolerance m\u00e1 smysl.<\/p>\n

    <\/svg> Velk\u00e9 a t\u011b\u017ek\u00e9 profily v\u017edy vy\u017eaduj\u00ed p\u0159\u00edsn\u011bj\u0161\u00ed tolerance rovinnosti.<\/b>False<\/span><\/p>

    Specifikace rovinnosti u velk\u00fdch profil\u016f z\u00e1vis\u00ed na funkci a manipulaci, nikoli pouze na velikosti.<\/p><\/div>
    \n

    <\/svg> U velk\u00fdch profil\u016f je men\u0161\u00ed pravd\u011bpodobnost, \u017ee se ohnou pod vlastn\u00ed vahou, ne\u017e u tenk\u00fdch a mal\u00fdch profil\u016f.<\/b>Pravda<\/span><\/p>

    V\u011bt\u0161\u00ed tlou\u0161\u0165ka a velikost pr\u016f\u0159ezu zaji\u0161\u0165uj\u00ed v\u011bt\u0161\u00ed tuhost a odolnost proti ohybu.<\/p><\/div><\/p>\n

    Co zp\u016fsobuje odchylku rovinnosti p\u0159i vytla\u010dov\u00e1n\u00ed?<\/h2>\n

    Mnoho faktor\u016f zp\u016fsobuje, \u017ee vytla\u010dovan\u00e9 d\u00edly nejsou ploch\u00e9. N\u011bkter\u00e9 z nich souvisej\u00ed se samotn\u00fdm procesem vytla\u010dov\u00e1n\u00ed. Jin\u00e9 jsou zp\u016fsobeny chlazen\u00edm, manipulac\u00ed nebo n\u00e1sledn\u00fdm zpracov\u00e1n\u00edm. Mezi hlavn\u00ed p\u0159\u00ed\u010diny pat\u0159\u00ed nerovnom\u011brn\u00e9 chlazen\u00ed, vnit\u0159n\u00ed pnut\u00ed, slitina a temperace, konstrukce profilu, zm\u011bny tlou\u0161\u0165ky st\u011bny a manipulace po vytla\u010dov\u00e1n\u00ed.<\/p>\n

    B\u011b\u017en\u00e9 p\u0159\u00ed\u010diny:<\/p>\n

      \n
    • Nerovnom\u011brn\u00e9 chlazen\u00ed v cel\u00e9m pr\u016f\u0159ezu <\/li>\n
    • Vnit\u0159n\u00ed nap\u011bt\u00ed z nestejnom\u011brn\u00e9ho pr\u016f\u0159ezu nebo tlou\u0161\u0165ky st\u011bny <\/li>\n
    • M\u011bkk\u00e1 slitina, kter\u00e1 se pod t\u00edhou nebo tlakem oh\u00fdb\u00e1. <\/li>\n
    • Nespr\u00e1vn\u00e1 konstrukce matrice nebo rychlost vytla\u010dov\u00e1n\u00ed <\/li>\n
    • \u0160patn\u00e1 manipulace, skladov\u00e1n\u00ed nebo stohov\u00e1n\u00ed <\/li>\n<\/ul>\n

      Zde je tabulka shrnuj\u00edc\u00ed p\u0159\u00ed\u010diny a jejich n\u00e1sledky:<\/p>\n\n\n\n\n\n\n\n\n\n
      P\u0159\u00ed\u010dina<\/th>\nVliv na rovinnost<\/th>\n<\/tr>\n<\/thead>\n
      Nerovnom\u011brn\u00e9 chlazen\u00ed<\/td>\nPok\u0159iven\u00ed, zkroucen\u00ed nebo prohnut\u00ed po cel\u00e9 d\u00e9lce<\/td>\n<\/tr>\n
      Nerovnom\u011brn\u00e1 tlou\u0161\u0165ka st\u011bny<\/td>\nNerovnom\u011brn\u00e9 nam\u00e1h\u00e1n\u00ed \u2192 ohyb nebo zak\u0159iven\u00ed<\/td>\n<\/tr>\n
      M\u011bkk\u00e1 slitina (nap\u0159. T5)<\/td>\nProh\u00fdb\u00e1n\u00ed pod t\u00edhou nebo zat\u00ed\u017een\u00edm<\/td>\n<\/tr>\n
      Rychl\u00e9 vytla\u010dov\u00e1n\u00ed nebo \u0161patn\u00e1 matrice<\/td>\nDeformace zp\u016fsoben\u00e1 mechanick\u00fdm nam\u00e1h\u00e1n\u00edm<\/td>\n<\/tr>\n
      \u0160patn\u00e1 manipulace nebo skladov\u00e1n\u00ed<\/td>\nOh\u00fdb\u00e1n\u00ed nebo proh\u00fdb\u00e1n\u00ed v pr\u016fb\u011bhu \u010dasu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \"p\u0159izp\u016fsoben\u00e9
      p\u0159izp\u016fsoben\u00e9 LED p\u00e1sek sv\u011btla hlin\u00edkov\u00fd profil LED hlin\u00edkov\u00fd v\u00fdlisek<\/figcaption><\/figure>\n<\/p>\n

      Pono\u0159te se hloub\u011bji<\/h3>\n

      Vytla\u010dov\u00e1n\u00ed nen\u00ed dokonal\u00fd proces. Kdy\u017e roztaven\u00fd hlin\u00edk vystupuje z formy, doch\u00e1z\u00ed k jeho ochlazov\u00e1n\u00ed. K chlazen\u00ed se \u010dasto pou\u017e\u00edv\u00e1 vzduch nebo voda. Pokud je geometrie d\u00edlu jednoduch\u00e1 a rovnom\u011brn\u00e1, je chlazen\u00ed rovnom\u011brn\u011bj\u0161\u00ed. Slo\u017eit\u00e9 profily s tlust\u00fdmi p\u0159\u00edrubami a tenk\u00fdmi p\u00e1sy se v\u0161ak ochlazuj\u00ed r\u016fznou rychlost\u00ed. Tlust\u00e9 plochy zadr\u017euj\u00ed teplo d\u00e9le, tenk\u00e9 plochy chladnou rychleji. Kdy\u017e se hork\u00e9 a studen\u00e9 d\u00edly ochlazuj\u00ed r\u016fznou rychlost\u00ed, vznik\u00e1 vnit\u0159n\u00ed pnut\u00ed. Toto nap\u011bt\u00ed vytahuje d\u00edl z roviny. V\u00fdsledkem m\u016f\u017ee b\u00fdt deformace, zkroucen\u00ed nebo lok\u00e1ln\u00ed prohnut\u00ed.<\/p>\n

      Velk\u00fd rozd\u00edl je v temperaci materi\u00e1lu. Slitiny jako 6063-T5 jsou b\u011b\u017en\u00e9, proto\u017ee se snadno vytla\u010duj\u00ed a obr\u00e1b\u011bj\u00ed. Ale 6063-T5 je m\u011bk\u010d\u00ed. Pokud dlouh\u00fd d\u00edl spo\u010d\u00edv\u00e1 na podp\u011br\u00e1ch s velk\u00fdmi rozte\u010demi, gravitace zp\u016fsobuje prohnut\u00ed. \u010casem se toto prohnut\u00ed m\u016f\u017ee st\u00e1t trval\u00fdm. Pou\u017eit\u00ed tvrd\u0161\u00edho kalen\u00ed, jako je 6061-T6, sni\u017euje pr\u016fhyb. Tvrd\u0161\u00ed temperace v\u0161ak m\u016f\u017ee zt\u00ed\u017eit vytla\u010dov\u00e1n\u00ed nebo zv\u00fd\u0161it zmetkovitost. Konstrukt\u00e9\u0159i mus\u00ed vyb\u00edrat temperaci s v\u011bdom\u00edm kompromis\u016f.<\/p>\n

      Z\u00e1le\u017e\u00ed tak\u00e9 na konstrukci profilu a tlou\u0161\u0165ce st\u011bny. Pokud m\u00e1 profil nestejnou tlou\u0161\u0165ku, je jedna strana t\u011b\u017e\u0161\u00ed. T\u011b\u017ek\u00e1 strana se smr\u0161\u0165uje pomaleji, lehk\u00e1 strana chladne rychleji. To zp\u016fsobuje nerovnom\u011brn\u00e9 nam\u00e1h\u00e1n\u00ed. Tak\u00e9 tenk\u00e9 st\u011bny maj\u00ed men\u0161\u00ed tuhost. Snadn\u011bji se oh\u00fdbaj\u00ed. Pokud m\u00e1 profil dlouh\u00e9 tenk\u00e9 lamely nebo \u017eebra, mohou se oh\u00fdbat nebo deformovat, i kdy\u017e hlavn\u00ed t\u011blo z\u016fstane ploch\u00e9.<\/p>\n

      Rychlost vytla\u010dov\u00e1n\u00ed a konstrukce matrice \u0159\u00edd\u00ed tak\u00e9 nap\u011bt\u00ed. Pokud lisovac\u00ed forma p\u016fsob\u00ed na kov nerovnom\u011brn\u011b, vznik\u00e1 nap\u011bt\u00ed. Rychl\u00e9 vytla\u010dov\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit, \u017ee vytla\u010dovan\u00fd materi\u00e1l vystupuje s nerovnom\u011brn\u00fdm tokem. Tento nerovnom\u011brn\u00fd tok m\u016f\u017ee zkroutit d\u00edl. Lisovac\u00ed forma mus\u00ed b\u00fdt spr\u00e1vn\u011b navr\u017eena pro rovnom\u011brn\u00fd tok. Pak kov te\u010de rovnom\u011brn\u011b a sni\u017euje se vnit\u0159n\u00ed pnut\u00ed.<\/p>\n

      Navazuj\u00edc\u00ed operace zvy\u0161uj\u00ed riziko. P\u0159i \u0159ez\u00e1n\u00ed, obr\u00e1b\u011bn\u00ed, oh\u00fdb\u00e1n\u00ed nebo sva\u0159ov\u00e1n\u00ed doch\u00e1z\u00ed k p\u016fsoben\u00ed tepla nebo mechanick\u00e9 s\u00edly. Tato s\u00edla zvy\u0161uje nap\u011bt\u00ed v materi\u00e1lu. Nap\u011bt\u00ed m\u016f\u017ee zp\u016fsobit ohnut\u00ed d\u00edlu nebo lok\u00e1ln\u00ed deformaci. N\u011bkdy je d\u00edl na v\u00fdstupu z vytla\u010dov\u00e1n\u00ed rovn\u00fd, ale p\u0159i obr\u00e1b\u011bn\u00ed se deformuje. Proto by specifikace rovinnosti m\u011bla definovat, zda se rovinnost m\u011b\u0159\u00ed p\u0159ed nebo po zpracov\u00e1n\u00ed.<\/p>\n

      Nakonec z\u00e1le\u017e\u00ed na manipulaci, skladov\u00e1n\u00ed a p\u0159eprav\u011b. Pokud jsou dlouh\u00e9 profily ulo\u017eeny na podp\u011br\u00e1ch s velk\u00fdmi rozte\u010demi, doch\u00e1z\u00ed k jejich proh\u00fdb\u00e1n\u00ed vlivem gravitace. Pokud na sebe d\u00edly p\u0159i p\u0159eprav\u011b nar\u00e1\u017eej\u00ed, mohou se oh\u00fdbat. Mnoho dodavatel\u016f p\u0159id\u00e1v\u00e1 pro dlouh\u00e9 d\u00edly podp\u011brn\u00e9 bloky nebo d\u00edly obaluje ochrann\u00fdmi materi\u00e1ly. Dobr\u00e9 balen\u00ed pom\u00e1h\u00e1 udr\u017eet rovinnost p\u0159ed dod\u00e1n\u00edm.<\/p>\n

      Aby se sn\u00ed\u017eily probl\u00e9my s plochost\u00ed, mus\u00ed se ob\u011b strany - dodavatel i z\u00e1kazn\u00edk - dohodnout na slitin\u011b, temperaci, konstrukci profilu, zp\u016fsobu chlazen\u00ed, rychlosti vytla\u010dov\u00e1n\u00ed, konstrukci formy a manipulaci. N\u011bkdy dodavatel po vytla\u010dov\u00e1n\u00ed p\u0159id\u00e1v\u00e1 dodate\u010dn\u00e9 rovn\u00e1n\u00ed nebo objedn\u00e1v\u00e1 d\u00edly v krat\u0161\u00edch d\u00e9lk\u00e1ch a pak je sva\u0159uje nebo spojuje. Rovn\u00e1n\u00ed je b\u011b\u017en\u00fdm \u0159e\u0161en\u00edm, kdy\u017e chlazen\u00ed deformuje d\u00edly nad r\u00e1mec tolerance. Stoj\u00ed to v\u0161ak \u010das a pen\u00edze.<\/p>\n

      Souhrnn\u011b lze \u0159\u00edci, \u017ee odchylky rovinnosti vznikaj\u00ed v d\u016fsledku procesn\u00edho nam\u00e1h\u00e1n\u00ed, chlazen\u00ed, volby materi\u00e1lu, konstrukce profilu a manipulace. Ka\u017ed\u00fd faktor zvy\u0161uje riziko. Dobr\u00e1 komunikace a pe\u010dliv\u00e9 pl\u00e1nov\u00e1n\u00ed pom\u00e1haj\u00ed tato rizika zvl\u00e1dat.<\/p>\n

      <\/svg> Nerovnom\u011brn\u00e9 chlazen\u00ed b\u011bhem vytla\u010dov\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit vnit\u0159n\u00ed pnut\u00ed vedouc\u00ed k deformaci.<\/b>Pravda<\/span><\/p>

      Rozd\u00edly v rychlosti ochlazov\u00e1n\u00ed v pr\u016f\u0159ezu zp\u016fsobuj\u00ed nap\u011bt\u00ed, kter\u00e9 m\u016f\u017ee d\u00edl deformovat.<\/p><\/div>
      \n

      <\/svg> Balen\u00ed a manipulace po vytla\u010dov\u00e1n\u00ed nemaj\u00ed vliv na rovinnost po dokon\u010den\u00ed vytla\u010dov\u00e1n\u00ed.<\/b>False<\/span><\/p>

      Nespr\u00e1vn\u00e9 podep\u0159en\u00ed nebo skladov\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit prohnut\u00ed nebo ohnut\u00ed i po vytla\u010den\u00ed.<\/p><\/div><\/p>\n

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

      Tolerance rovinnosti u vytla\u010dovan\u00e9ho hlin\u00edku z\u00e1vis\u00ed na mnoha faktorech v\u010detn\u011b materi\u00e1lu, konstrukce profilu, rozm\u011br\u016f, chlazen\u00ed a manipulace. Dobr\u00e1 specifikace a pe\u010dliv\u00fd proces mohou zajistit, \u017ee d\u00edly z\u016fstanou rovn\u00e9 a budou plnit svou funkci. Jasn\u00e1 dohoda mezi z\u00e1kazn\u00edkem a dodavatelem pom\u00e1h\u00e1 p\u0159edch\u00e1zet probl\u00e9m\u016fm.<\/p>","protected":false},"excerpt":{"rendered":"

      High Precision Aluminum extrusion Profile CNC Machining Accessory Parts At times manufacturers get parts that warp or bend after extrusion. Flatness issues cause trouble for assembly lines. Flatness tolerance guidelines help avoid those problems. Flatness tolerance describes how flat an extruded aluminum part must be. Good tolerance ensures parts fit together and perform well. These […]<\/p>\n","protected":false},"author":6,"featured_media":8446,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-26829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/26829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=26829"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/26829\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/8446"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=26829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=26829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=26829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}