{"id":26704,"date":"2025-12-03T14:53:32","date_gmt":"2025-12-03T06:53:32","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=26704"},"modified":"2025-12-03T14:53:32","modified_gmt":"2025-12-03T06:53:32","slug":"pozadavky-na-standardni-toleranci-hlinikovych-vylisku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/aluminum-extrusion-standard-tolerance-requirements\/","title":{"rendered":"Po\u017eadavky na standardn\u00ed toleranci hlin\u00edkov\u00fdch v\u00fdlisk\u016f?"},"content":{"rendered":"

\"Hlin\u00edkov\u00e9
Hlin\u00edkov\u00e9 vytla\u010dovac\u00ed p\u0159\u00edslu\u0161enstv\u00ed<\/figcaption><\/figure>\n<\/p>\n

N\u011bkdy se st\u00e1v\u00e1, \u017ee d\u00edly vyroben\u00e9 z hlin\u00edkov\u00e9ho extrud\u00e1tu se odch\u00fdl\u00ed od zam\u00fd\u0161len\u00fdch rozm\u011br\u016f. To zp\u016fsobuje pot\u00ed\u017ee p\u0159i mont\u00e1\u017ei a vede k pl\u00fdtv\u00e1n\u00ed. <\/p>\n

Porozum\u011bn\u00ed standardn\u00edm pravidl\u016fm tolerance pom\u00e1h\u00e1 t\u011bmto probl\u00e9m\u016fm p\u0159edch\u00e1zet a zaji\u0161\u0165uje, \u017ee d\u00edly budou v\u017edy spr\u00e1vn\u011b pasovat.<\/strong><\/p>\n

N\u00ed\u017ee v\u00e1s provedu typick\u00fdmi tolerancemi, zp\u016fsobem, jak\u00fdm normy definuj\u00ed t\u0159\u00eddy, kter\u00fdmi odv\u011btv\u00edmi jsou vy\u017eadov\u00e1ny p\u0159esn\u00e9 rozm\u011bry a pro\u010d tolerance ovliv\u0148uje funkci. <\/p>\n

Jak\u00e9 jsou typick\u00e9 rozm\u011brov\u00e9 tolerance pro extrudovan\u00e9 profily?<\/h2>\n

Extrudovan\u00e9 d\u00edly se m\u00e1lokdy vyrob\u00ed p\u0159esn\u011b podle v\u00fdkresu. Objevuj\u00ed se mal\u00e9 odchylky. <\/p>\n

Typick\u00e1 tolerance pro hlin\u00edkov\u00e9 v\u00fdlisky se obvykle pohybuje v rozmez\u00ed \u00b10,1 mm a\u017e \u00b10,5 mm, v z\u00e1vislosti na velikosti pr\u016f\u0159ezu a tlou\u0161\u0165ce st\u011bny.<\/strong><\/p>\n

Tento rozsah poskytuje hrub\u00fd p\u0159ehled o tom, co v\u011bt\u0161ina extruz\u00ed nab\u00edz\u00ed. <\/p>\n

\"Hlin\u00edkov\u00e9
Hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed 6005 Velk\u00e1 velikost pr\u016fmyslov\u00fd hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

P\u0159i zkoum\u00e1n\u00ed standardn\u00edch hlin\u00edkov\u00fdch v\u00fdlisk\u016f ur\u010duj\u00ed velikost a tlou\u0161\u0165ka st\u011bny, jak p\u0159\u00edsn\u00e9 mohou b\u00fdt tolerance. Tenk\u00e9 st\u011bny nebo slo\u017eit\u00e9 tvary mohou umo\u017e\u0148ovat pouze \u00b10,2 mm. V\u011bt\u0161\u00ed nebo t\u011b\u017e\u0161\u00ed profily \u010dasto dosahuj\u00ed \u00b10,3 mm nebo v\u00edce. Tlou\u0161\u0165ka st\u011bny nad ur\u010ditou velikost p\u0159id\u00e1v\u00e1 materi\u00e1lov\u00fd man\u00e9vrovac\u00ed prostor. <\/p>\n

D\u016fle\u017eit\u00e1 je tak\u00e9 rovnost a zkroucen\u00ed. Profily del\u0161\u00ed ne\u017e jeden metr \u010dasto vykazuj\u00ed mal\u00e9 ohyby nebo deformace. Ty mohou dosahovat a\u017e n\u011bkolika milimetr\u016f na d\u00e9lku, i kdy\u017e tolerance pr\u016f\u0159ezu z\u016fst\u00e1v\u00e1 mal\u00e1.<\/p>\n

Zde je jednoduch\u00e1 tabulka zobrazuj\u00edc\u00ed b\u011b\u017en\u00e9 rozsahy:<\/p>\n\n\n\n\n\n\n\n
Velikost pr\u016f\u0159ezu \/ tlou\u0161\u0165ka st\u011bny<\/th>\nTypick\u00e1 tolerance (\u0161\u00ed\u0159ka\/v\u00fd\u0161ka)<\/th>\nTypick\u00e1 tolerance tlou\u0161\u0165ky st\u011bny<\/th>\n<\/tr>\n<\/thead>\n
Mal\u00e9 profily (\u0161\u00ed\u0159ka \u2264 20 mm)<\/td>\n\u00b10,1 a\u017e \u00b10,2 mm<\/td>\n\u00b10,05 a\u017e \u00b10,1 mm<\/td>\n<\/tr>\n
St\u0159edn\u00ed profily (20\u201350 mm)<\/td>\n\u00b10,2 a\u017e \u00b10,3 mm<\/td>\n\u00b10,1 a\u017e \u00b10,15 mm<\/td>\n<\/tr>\n
Velk\u00e9 profily (> 50 mm)<\/td>\n\u00b10,3 a\u017e \u00b10,5 mm<\/td>\n\u00b10,15 a\u017e \u00b10,25 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tato \u010d\u00edsla p\u0159edstavuj\u00ed z\u00e1kladn\u00ed, obecn\u011b p\u0159ijateln\u00e9 tolerance. Plat\u00ed v p\u0159\u00edpad\u011b, \u017ee nen\u00ed prov\u00e1d\u011bna \u017e\u00e1dn\u00e1 speci\u00e1ln\u00ed povrchov\u00e1 \u00faprava ani obr\u00e1b\u011bn\u00ed. <\/p>\n

Pokud je vy\u017eadov\u00e1na vy\u0161\u0161\u00ed p\u0159esnost, lze pomoc\u00ed dokon\u010dovac\u00edch metod, jako je CNC obr\u00e1b\u011bn\u00ed nebo povrchov\u00e9 brou\u0161en\u00ed, sn\u00ed\u017eit tolerance a\u017e na \u00b10,05 mm nebo dokonce je\u0161t\u011b v\u00edce. Takov\u00e9 kroky v\u0161ak zvy\u0161uj\u00ed n\u00e1klady a prodlu\u017euj\u00ed dobu v\u00fdroby.<\/p>\n

\u010cast\u00e9 diskuse s v\u00fdrobci ukazuj\u00ed, \u017ee v\u011bt\u0161ina z\u00e1kazn\u00edk\u016f akceptuje \u00b10,3 mm pro profily pou\u017e\u00edvan\u00e9 v r\u00e1mov\u00fdch konstrukc\u00edch budov nebo okenn\u00edch r\u00e1mech. Tento rozsah pova\u017euj\u00ed za dostate\u010dn\u00fd pro vyrovn\u00e1n\u00ed d\u00edl\u016f pomoc\u00ed \u0161roub\u016f nebo svorn\u00edk\u016f. <\/p>\n

Stru\u010dn\u011b \u0159e\u010deno, typick\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky maj\u00ed rozm\u011bry bl\u00edzk\u00e9, ale ne zcela shodn\u00e9 s rozm\u011bry podle n\u00e1vrhu. Toleran\u010dn\u00ed p\u00e1smo pokr\u00fdv\u00e1 mal\u00e9 odchylky. In\u017een\u00fd\u0159i mus\u00ed tyto odchylky zohlednit p\u0159i navrhov\u00e1n\u00ed sestav. <\/p>\n

Jak jsou definov\u00e1ny t\u0159\u00eddy tolerance v norm\u00e1ch pro hlin\u00edk?<\/h2>\n

Tolerance vy\u017eaduj\u00ed spole\u010dn\u00e1 pravidla. Tyto pravidla stanovuj\u00ed normy. <\/p>\n

T\u0159\u00eddy tolerance v norm\u00e1ch definuj\u00ed rozsahy na z\u00e1klad\u011b velikosti profilu, tvaru a zam\u00fd\u0161len\u00e9ho pou\u017eit\u00ed, \u010dasto ozna\u010dovan\u00e9 jako \u201ct\u0159\u00edda A\u201d, \u201ct\u0159\u00edda B\u201d, \u201ct\u0159\u00edda C\u201d atd., p\u0159i\u010dem\u017e t\u0159\u00edda A je nejp\u0159\u00edsn\u011bj\u0161\u00ed.<\/strong><\/p>\n

Tyto kurzy poskytuj\u00ed spole\u010dn\u00fd jazyk pro diskusi o kvalit\u011b. <\/p>\n

\"Hlin\u00edkov\u00e9
Hlin\u00edkov\u00e9 vytla\u010dovac\u00ed tepeln\u00e9 profily Sink<\/figcaption><\/figure>\n<\/p>\n

V praxi standard (nap\u0159\u00edklad od n\u00e1rodn\u00edho nebo mezin\u00e1rodn\u00edho org\u00e1nu pro hlin\u00edk) rozd\u011bluje profily podle:<\/p>\n

    \n
  • Velikost a slo\u017eitost pr\u016f\u0159ezu <\/li>\n
  • Tlou\u0161\u0165ka st\u011bny <\/li>\n
  • \u00da\u010del pou\u017eit\u00ed (dekorativn\u00ed, konstruk\u010dn\u00ed, mechanick\u00fd) <\/li>\n
  • P\u0159ijateln\u00e1 d\u00e9lka, rovnost a odchylka od kroucen\u00ed <\/li>\n<\/ul>\n

    A pot\u00e9 p\u0159i\u0159ad\u00ed t\u0159\u00eddu. Nap\u0159\u00edklad:<\/p>\n\n\n\n\n\n\n\n
    T\u0159\u00edda<\/th>\nPopis<\/th>\nTypick\u00e9 p\u0159\u00edpady pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
    T\u0159\u00edda A<\/td>\nNeju\u017e\u0161\u00ed tolerance pro p\u0159esn\u00e9 d\u00edly<\/td>\nMechanick\u00e9 sestavy, posuvn\u00e9 \u010d\u00e1sti<\/td>\n<\/tr>\n
    T\u0159\u00edda B<\/td>\nSt\u0159edn\u00ed tolerance pro v\u0161eobecn\u00e9 pou\u017eit\u00ed<\/td>\nOkenn\u00ed r\u00e1my, r\u00e1my n\u00e1bytku<\/td>\n<\/tr>\n
    T\u0159\u00edda C<\/td>\nVoln\u011bj\u0161\u00ed tolerance pro velk\u00e9 konstrukce<\/td>\nKonstruk\u010dn\u00ed nosn\u00edky, nosn\u00e9 r\u00e1my<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    N\u00e1vrh\u00e1\u0159 po\u017eaduje t\u0159\u00eddu A, pokud mus\u00ed b\u00fdt d\u00edl p\u0159esn\u011b spojen s ostatn\u00edmi d\u00edly, p\u0159\u00edpadn\u011b s minim\u00e1ln\u00edmi mezerami, nebo pokud se mus\u00ed posuvn\u00e9 d\u00edly vyrovnat. T\u0159\u00edda B nebo C m\u016f\u017ee b\u00fdt vhodn\u00e1, pokud d\u00edly vy\u017eaduj\u00ed pouze obecn\u00e9 p\u0159izp\u016fsoben\u00ed nebo struktur\u00e1ln\u00ed podporu. <\/p>\n

    Normy mohou tak\u00e9 definovat samostatn\u00e9 tolerance pro tlou\u0161\u0165ku st\u011bny, d\u00e9lku a rovinnost. Nap\u0159\u00edklad tlou\u0161\u0165ka st\u011bny m\u016f\u017ee m\u00edt \u00b10,05 mm ve t\u0159\u00edd\u011b A a \u00b10,15 mm ve t\u0159\u00edd\u011b B. Tolerance rovinnosti m\u016f\u017ee b\u00fdt 0,5 mm na 1 metr pro t\u0159\u00eddu A a 2 mm pro t\u0159\u00eddu C. <\/p>\n

    Pou\u017e\u00edv\u00e1n\u00ed t\u0159\u00edd pom\u00e1h\u00e1 v\u0161em stran\u00e1m \u2013 design\u00e9r\u016fm, dodavatel\u016fm, v\u00fdrobc\u016fm \u2013 pochopit, co mohou o\u010dek\u00e1vat. Nen\u00ed t\u0159eba zas\u00edlat kompletn\u00ed tabulky rozm\u011br\u016f pro ka\u017edou zak\u00e1zku. Jednoduch\u00e1 v\u011bta \u201cpot\u0159ebujeme t\u0159\u00eddu A\u201d ji\u017e implikuje p\u0159\u00edsn\u011bj\u0161\u00ed kontroly a lep\u0161\u00ed kontrolu kvality. <\/p>\n

    U zak\u00e1zkov\u00fdch extruzn\u00edch objedn\u00e1vek se v\u017edy zeptejte dodavatele, jakou standardn\u00ed nebo intern\u00ed t\u0159\u00eddu tolerance dodr\u017euje. Ujasn\u011bte si, zda se t\u0159\u00edda vztahuje na tvar, tlou\u0161\u0165ku st\u011bny nebo na oboj\u00ed. Ov\u011b\u0159te, zda povrchov\u00e1 \u00faprava nebo obr\u00e1b\u011bn\u00ed zp\u0159\u00edsn\u00ed tolerance. <\/p>\n

    Pou\u017eit\u00ed t\u011bchto \u00farovn\u00ed m\u016f\u017ee u\u0161et\u0159it \u010das a zabr\u00e1nit pozd\u011bj\u0161\u00edm oprav\u00e1m. <\/p>\n

    Kter\u00e1 odv\u011btv\u00ed vy\u017eaduj\u00ed nejp\u0159\u00edsn\u011bj\u0161\u00ed tolerance p\u0159i extruzi?<\/h2>\n

    N\u011bkter\u00e1 pole posouvaj\u00ed tolerance na hranici mo\u017enost\u00ed. <\/p>\n

    Odv\u011btv\u00ed vy\u017eaduj\u00edc\u00ed p\u0159esn\u00e9 vyrovn\u00e1n\u00ed, jako jsou automobilov\u00e9 d\u00edly, leteck\u00e9 konstrukce a mechanick\u00e9 komponenty, vy\u017eaduj\u00ed nejp\u0159\u00edsn\u011bj\u0161\u00ed tolerance extruze.<\/strong><\/p>\n

    Pot\u0159ebuj\u00ed d\u00edly, kter\u00e9 p\u0159esn\u011b pasuj\u00ed a funguj\u00ed. <\/p>\n

    \"Hlin\u00edkov\u00e9
    Hlin\u00edkov\u00e9 v\u00fdlisky 2024 7001 7003 Hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

    P\u0159\u00edklady: <\/p>\n

      \n
    • V automobilov\u00e9m pr\u016fmyslu mohou extrudovan\u00e9 hlin\u00edkov\u00e9 d\u00edly tvo\u0159it r\u00e1my, kde p\u0159esn\u00e9 uchycen\u00ed zabra\u0148uje vibrac\u00edm a hluku. N\u011bkter\u00e9 d\u00edly mus\u00ed b\u00fdt vyrovn\u00e1ny s p\u0159esnost\u00ed \u00b10,1 mm. <\/li>\n
    • V leteck\u00e9m pr\u016fmyslu jsou bezpe\u010dnost a hmotnost velmi d\u016fle\u017eit\u00e9. Komponenty pro \u00fachyty nebo nosn\u00edky \u010dasto vy\u017eaduj\u00ed p\u0159esn\u00e9 uchycen\u00ed, aby byla zaji\u0161t\u011bna struktur\u00e1ln\u00ed integrita p\u0159i nam\u00e1h\u00e1n\u00ed. <\/li>\n
    • P\u0159i konstrukci stroj\u016f se \u010dasto pou\u017e\u00edvaj\u00ed extrudovan\u00e9 profily pro kluzn\u00e9 kolejnice, kryty a r\u00e1my za\u0159\u00edzen\u00ed. Nespr\u00e1vn\u00e9 vyrovn\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit zad\u00edr\u00e1n\u00ed, opot\u0159eben\u00ed nebo poruchu. <\/li>\n<\/ul>\n

      Zde je tabulka zobrazuj\u00edc\u00ed odv\u011btv\u00ed a jejich typickou p\u0159\u00edsnost toleranc\u00ed:<\/p>\n\n\n\n\n\n\n\n\n\n
      Pr\u016fmysl<\/th>\nPo\u017eadovan\u00e1 typick\u00e1 t\u0159\u00edda tolerance<\/th>\nD\u016fvod pro p\u0159\u00edsnou toleranci<\/th>\n<\/tr>\n<\/thead>\n
      Letectv\u00ed a kosmonautika<\/td>\nT\u0159\u00edda A<\/td>\nVysok\u00e9 nam\u00e1h\u00e1n\u00ed, bezpe\u010dnost, pevn\u00e1 mont\u00e1\u017e<\/td>\n<\/tr>\n
      Automobilov\u00fd pr\u016fmysl<\/td>\nT\u0159\u00edda A nebo vy\u0161\u0161\u00ed t\u0159\u00edda B<\/td>\nP\u0159esn\u00e9 p\u0159izp\u016fsoben\u00ed, kontrola hluku\/vibrac\u00ed<\/td>\n<\/tr>\n
      Stroj\u00edrenstv\u00ed \/ Robotika<\/td>\nT\u0159\u00edda A<\/td>\nJe nutn\u00fd p\u0159esn\u00fd pohyb a vyrovn\u00e1n\u00ed<\/td>\n<\/tr>\n
      N\u00e1bytek \/ Okna<\/td>\nT\u0159\u00edda B nebo t\u0159\u00edda C<\/td>\nS\u00edla nad p\u0159esnost\u00ed, estetick\u00e1 mont\u00e1\u017e<\/td>\n<\/tr>\n
      Konstruk\u010dn\u00ed r\u00e1my<\/td>\nT\u0159\u00edda C<\/td>\nNosnost p\u0159es t\u011bsn\u00e9 ulo\u017een\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Vid\u011bl jsem z\u00e1kazn\u00edky z automobilov\u00e9ho pr\u016fmyslu a stroj\u00edrenstv\u00ed, kte\u0159\u00ed po\u017eadovali extruzi t\u0159\u00eddy A s toleranc\u00ed tlou\u0161\u0165ky st\u011bny \u00b10,05 mm a rovinnost\u00ed do 0,3 mm na metr. Jin\u00ed, kte\u0159\u00ed vyr\u00e1b\u011bj\u00ed okenn\u00ed r\u00e1my, akceptuj\u00ed \u00b10,3 mm. <\/p>\n

      P\u0159\u00edsn\u011bj\u0161\u00ed tolerance t\u00e9m\u011b\u0159 v\u017edy zvy\u0161uje n\u00e1klady. Proces vytla\u010dov\u00e1n\u00ed se st\u00e1v\u00e1 v\u00edce kontrolovan\u00fdm. Kontrola kvality zabere v\u00edce \u010dasu. M\u00edra zmetkovitosti stoup\u00e1. N\u011bkter\u00e9 tvary nemus\u00ed v\u016fbec spl\u0148ovat p\u0159\u00edsn\u00e9 tolerance. <\/p>\n

      Proto pouze odv\u011btv\u00ed, kter\u00e1 skute\u010dn\u011b pot\u0159ebuj\u00ed p\u0159esn\u00e9 rozm\u011bry, plat\u00ed za pr\u00e1ci t\u0159\u00eddy A. Ostatn\u00ed akceptuj\u00ed voln\u011bj\u0161\u00ed tolerance, aby u\u0161et\u0159ili n\u00e1klady. <\/p>\n

      Mohou tolerance ovlivnit funk\u010dnost produktu?<\/h2>\n

      Rozsah tolerance se m\u016f\u017ee zd\u00e1t mal\u00fd. M\u016f\u017ee v\u0161ak zm\u011bnit zp\u016fsob fungov\u00e1n\u00ed produktu. <\/p>\n

      Ano. Voln\u011bj\u0161\u00ed toleran\u010dn\u00ed rozsah m\u016f\u017ee zp\u016fsobit nespr\u00e1vn\u00e9 vyrovn\u00e1n\u00ed d\u00edl\u016f, \u0161patn\u00fd posuv, net\u011bsnost, chrast\u011bn\u00ed nebo selh\u00e1n\u00ed p\u0159i zat\u00ed\u017een\u00ed \u2013 tolerance tedy p\u0159\u00edmo ovliv\u0148uje funkci produktu.<\/strong><\/p>\n

      Mal\u00e9 chyby se mohou s\u010d\u00edtat. <\/p>\n

      \"Pr\u016fmyslov\u00fd
      Pr\u016fmyslov\u00fd hlin\u00edkov\u00fd vytla\u010dovac\u00ed profil<\/figcaption><\/figure>\n<\/p>\n

      Zde jsou p\u0159\u00edklady, pro\u010d je tolerance d\u016fle\u017eit\u00e1: <\/p>\n

      Probl\u00e9my s mont\u00e1\u017e\u00ed a sestaven\u00edm<\/h3>\n

      Pokud se maj\u00ed dv\u011b vytla\u010dovan\u00e9 sou\u010d\u00e1sti zasunout do sebe a jedna z nich je o 0,4 mm \u0161ir\u0161\u00ed, zat\u00edmco dr\u00e1\u017eka m\u00e1 nomin\u00e1ln\u00ed rozm\u011br, sou\u010d\u00e1sti se nemus\u00ed vej\u00edt. Nebo se mohou zasunout n\u00e1sil\u00edm, \u010d\u00edm\u017e dojde k po\u0161kozen\u00ed povrch\u016f. <\/p>\n

      I mal\u00e9 zkroucen\u00ed nebo zk\u0159iven\u00ed zp\u016fsobuje mezery. V okenn\u00edch r\u00e1mech mohou tyto mezery propou\u0161t\u011bt vodu nebo vzduch.<\/p>\n

      Mechanick\u00fd v\u00fdkon<\/h3>\n

      U posuvn\u00fdch d\u00edl\u016f, jako jsou z\u00e1suvky, kolejnice nebo pr\u016fmyslov\u00e1 lo\u017eiska, zp\u016fsobuje mal\u00e9 \u00fahlov\u00e9 zkroucen\u00ed nebo nerovnom\u011brn\u00e1 tlou\u0161\u0165ka st\u011bny zv\u00fd\u0161en\u00e9 t\u0159en\u00ed. To m\u016f\u017ee v\u00e9st k rychlej\u0161\u00edmu opot\u0159eben\u00ed d\u00edl\u016f nebo k jejich zaseknut\u00ed. <\/p>\n

      Pokud r\u00e1m nese zat\u00ed\u017een\u00ed, nerovn\u00e9 st\u011bny nerovnom\u011brn\u011b koncentruj\u00ed nap\u011bt\u00ed. P\u0159i velk\u00e9m zat\u00ed\u017een\u00ed se m\u016f\u017ee d\u00edl zdeformovat nebo prasknout. <\/p>\n

      Estetika a povrchov\u00e1 \u00faprava<\/h3>\n

      U viditeln\u00fdch \u010d\u00e1st\u00ed n\u00e1bytku nebo architektonick\u00fdch prvk\u016f mohou mal\u00e9 rozd\u00edly naru\u0161it symetrii. Na lakovan\u00fdch nebo eloxovan\u00fdch povr\u0161\u00edch mohou b\u00fdt nespr\u00e1vn\u011b viditeln\u00e9 spoje nebo p\u0159echody. <\/p>\n

      U d\u00edl\u016f, kter\u00e9 podl\u00e9haj\u00ed toleranci, nav\u00edc povrchov\u00e1 \u00faprava (nap\u0159\u00edklad eloxov\u00e1n\u00ed) p\u0159id\u00e1v\u00e1 malou tlou\u0161\u0165ku. Pokud byla p\u016fvodn\u00ed tolerance mal\u00e1, m\u016f\u017ee povrchov\u00e1 \u00faprava zp\u016fsobit nespr\u00e1vn\u00e9 uchycen\u00ed. <\/p>\n

      Kumulativn\u00ed chyba<\/h3>\n

      Pokud sestava obsahuje mnoho extrudovan\u00fdch d\u00edl\u016f, z nich\u017e ka\u017ed\u00fd vykazuje mal\u00e9 odchylky, m\u016f\u017ee se celkov\u00e9 nesouosost v\u00fdrazn\u011b zv\u00fd\u0161it. Chyba 0,2 mm na jeden d\u00edl v sestav\u011b o 10 d\u00edlech m\u016f\u017ee v\u00e9st k nesouososti p\u0159esahuj\u00edc\u00ed 1 mm, co\u017e je dostate\u010dn\u00e1 hodnota k naru\u0161en\u00ed ulo\u017een\u00ed nebo funk\u010dnosti.<\/p>\n

      N\u00e1klady a \u0161rot<\/h3>\n

      P\u0159\u00edsn\u00e9 tolerance znamenaj\u00ed v\u00edce odpadu a v\u00edce kontrol. To zvy\u0161uje n\u00e1klady. Ale voln\u00e9 tolerance mohou zp\u016fsobit poruchy nebo vr\u00e1cen\u00ed zbo\u017e\u00ed. <\/p>\n

      Vzhledem k t\u011bmto vliv\u016fm mus\u00ed konstrukt\u00e9\u0159i pe\u010dliv\u011b pl\u00e1novat tolerance. In\u017een\u00fd\u0159i by m\u011bli: <\/p>\n

        \n
      • Rozhodn\u011bte se, jak velk\u00e1 variabilita je p\u0159ijateln\u00e1 v dob\u011b n\u00e1vrhu. <\/li>\n
      • Zva\u017ete, zda budou d\u00edly pozd\u011bji dokon\u010deny nebo obr\u00e1b\u011bny (dokon\u010den\u00ed zvy\u0161uje tlou\u0161\u0165ku). <\/li>\n
      • Vyberte standardn\u00ed t\u0159\u00eddu tolerance odpov\u00eddaj\u00edc\u00ed pou\u017eit\u00ed. <\/li>\n
      • Jasn\u011b sd\u011blte dodavateli, jak\u00e1 tolerance je po\u017eadov\u00e1na: \u0161\u00ed\u0159ka, tlou\u0161\u0165ka st\u011bny, rovnost, zkroucen\u00ed. <\/li>\n<\/ul>\n

        P\u0159esnost m\u016f\u017ee b\u00fdt dra\u017e\u0161\u00ed. Ale m\u016f\u017ee u\u0161et\u0159it opravy, \u00faniky, bezpe\u010dnostn\u00ed probl\u00e9my nebo selh\u00e1n\u00ed produktu. <\/p>\n

        P\u0159\u00edsn\u00e9 tolerance ignorujte pouze v p\u0159\u00edpad\u011b, \u017ee konstrukce dok\u00e1\u017ee absorbovat odchylky \u2013 nap\u0159\u00edklad u velk\u00fdch konstruk\u010dn\u00edch r\u00e1m\u016f nebo d\u00edl\u016f skryt\u00fdch uvnit\u0159 jin\u00fdch sestav. <\/p>\n

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

        Tolerance hlin\u00edkov\u00fdch v\u00fdlisk\u016f je velmi d\u016fle\u017eit\u00e1. Typick\u00e9 tolerance se pohybuj\u00ed v rozmez\u00ed \u00b10,1 a\u017e \u00b10,5 mm. Normy pou\u017e\u00edvaj\u00ed t\u0159\u00eddy (A, B, C) podle tvaru a pou\u017eit\u00ed. Pot\u0159eba p\u0159\u00edsn\u00fdch toleranc\u00ed vznik\u00e1 hlavn\u011b v leteck\u00e9m, automobilov\u00e9m a stroj\u00edrensk\u00e9m pr\u016fmyslu. Voln\u00e9 tolerance mohou negativn\u011b ovlivnit mont\u00e1\u017e, funkci a kone\u010dnou kvalitu. Pou\u017e\u00edvejte spr\u00e1vnou t\u0159\u00eddu tolerance \u2013 nebo pozd\u011bji zaplat\u00edte.<\/p>","protected":false},"excerpt":{"rendered":"

        Aluminum Extrusion Accessories At times, parts made with aluminum extrusion drift from their intended sizes. This causes headaches in assembly and waste. Understanding standard tolerance rules helps prevent those issues and ensures parts fit right every time. Below I walk you through typical tolerances, how standards define classes, which sectors need tight fits, and why […]<\/p>\n","protected":false},"author":6,"featured_media":8588,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-26704","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\/26704","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=26704"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/26704\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/8588"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=26704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=26704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=26704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}