{"id":2101,"date":"2021-05-25T06:09:10","date_gmt":"2021-05-25T06:09:10","guid":{"rendered":"https:\/\/saq0hpur0o.wpdns.site\/?p=2101"},"modified":"2021-07-26T07:28:33","modified_gmt":"2021-07-26T07:28:33","slug":"what-i-wish-everyone-knew-about-original-cutting-method-manual-cutting","status":"publish","type":"post","link":"https:\/\/www.hecter.cn\/cs\/what-i-wish-everyone-knew-about-original-cutting-method-manual-cutting\/","title":{"rendered":"Co si p\u0159eji, aby ka\u017ed\u00fd v\u011bd\u011bl o origin\u00e1ln\u00ed metod\u011b \u0159ez\u00e1n\u00ed - ru\u010dn\u00ed \u0159ez\u00e1n\u00ed"},"content":{"rendered":"

<\/span>P\u0159edpokl\u00e1dan\u00e1 doba \u010dten\u00ed: <\/span>10<\/span> minut<\/span><\/p>\n\n\n\n

Ru\u010dn\u00ed \u0159ez\u00e1n\u00ed<\/a> je vyr\u00e1b\u011bt plechy, profily, ty\u010de prost\u0159ednictv\u00edm specializovan\u00e9ho st\u0159i\u017en\u00e9ho za\u0159\u00edzen\u00ed nebo n\u00e1stroj\u016f tak, aby z n\u011bj byla p\u0159\u00edmka nebo k\u0159ivka pod\u00e9l p\u0159edem ur\u010den\u00e9ho odd\u011blen\u00ed. V\u00fdsledkem je tedy \u0159ada p\u0159\u00edm\u00fdch lini\u00ed a tvar\u016f k\u0159ivek (a n\u011bkdy se mohou dostat do tvaru) metody obr\u00e1b\u011bn\u00ed sochoru. Je vhodn\u00fd pro kalenou ocel, tvrd\u00e9 k\u0159ehk\u00e9 materi\u00e1ly (jako je litina, keramika, sklo, tvrd\u00e1 slitina atd.) R\u016fzn\u00fdch materi\u00e1l\u016f.<\/p>\n\n\n\n

Provoz ru\u010dn\u00edho \u0159ez\u00e1n\u00ed<\/a><\/strong><\/h3>\n\n\n\n

Ru\u010dn\u00ed \u0159ez\u00e1n\u00ed v\u010detn\u011b vysek\u00e1v\u00e1n\u00ed, n\u00e1hradn\u00edho materi\u00e1lu atd., T\u00e9m\u011b\u0159 v\u0161echny tvary plechov\u00fdch d\u00edl\u016f lze dokon\u010dit ru\u010dn\u00edm st\u0159\u00edh\u00e1n\u00edm. Ru\u010dn\u00ed \u0159ez\u00e1n\u00ed je flexibiln\u00ed, pohodln\u00e9, t\u00e9m\u011b\u0159 bez omezen\u00ed.<\/p>\n\n\n\n

Ru\u010dn\u00ed \u0159ezac\u00ed n\u00e1stroje<\/strong><\/h4>\n\n\n\n

Obsahuje rovn\u00fd \u0159ez, loketn\u00ed \u0159ez, pneumatick\u00fd p\u0159\u00edm\u00fd \u0159ez a pneumatick\u00fd d\u011brovac\u00ed \u0159ez (viz obr\u00e1zek).<\/p>\n\n\n\n

\"Ru\u010dn\u00ed
Ru\u010dn\u00ed \u0159ezac\u00ed n\u00e1stroje<\/figcaption><\/figure><\/div>\n\n\n\n

P\u0159\u00edm\u00fd \u0159ez je ru\u010dn\u00ed \u0159ez\u00e1n\u00ed s rovnou \u0159eznou hranou. Pou\u017e\u00edv\u00e1 se k \u0159ez\u00e1n\u00ed listov\u00e9ho materi\u00e1lu s p\u0159\u00edm\u00fdm obrysem. M\u016f\u017ee \u0159ezat 1,5 mm siln\u00fd hlin\u00edkov\u00fd plech a 1 mm siln\u00fd ocelov\u00fd plech. \u0158ezn\u00e1 hrana kolenn\u00edho \u0159ezu, kter\u00e1 je pro \u010d\u00e1sti listov\u00e9ho materi\u00e1lu s profilem k\u0159ivky. M\u016f\u017ee st\u0159\u00edhat hlin\u00edkov\u00fd plech o tlou\u0161\u0165ce 2 mm a ocelov\u00fd plech o tlou\u0161\u0165ce 0,8 mm. P\u0159enosn\u00fd pneumatick\u00fd \u0159ez je polomechanizovan\u00fd ru\u010dn\u00ed n\u016f\u017ekov\u00fd n\u00e1stroj, tlou\u0161\u0165ka \u0159ezu d\u011blen\u00ed a\u017e 2,5 mm.<\/p>\n\n\n\n

Provozn\u00ed metoda ru\u010dn\u00edho \u0159ez\u00e1n\u00ed<\/strong><\/h4>\n\n\n\n

1. Zp\u016fsob ru\u010dn\u00edho st\u0159\u00edh\u00e1n\u00ed: Obecn\u011b ru\u010dn\u00ed \u0159ez\u00e1n\u00ed listov\u00e9ho materi\u00e1lu, kter\u00fd se pou\u017e\u00edv\u00e1 pro pravou ruku dr\u017e\u00edc\u00ed n\u016f\u017eky, lev\u00fd pro dr\u017een\u00ed materi\u00e1lu. N\u00e1sleduj\u00edc\u00ed obr\u00e1zek ukazuje spr\u00e1vn\u00fd zp\u016fsob dr\u017een\u00ed n\u016f\u017eek. \u0158ezac\u00ed rukoje\u0165 by nem\u011bla vystavovat dla\u0148 p\u0159\u00edli\u0161 dlouho. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b je nepohodln\u00e9 p\u016fsobit silou na \u0159ezac\u00ed rukoje\u0165. Konec v\u0161ak nelze dr\u017eet v dlani, jinak nen\u00ed vhodn\u00e9 dr\u017eet n\u016f\u017eky v prav\u00e9 ruce. Kdy\u017e materi\u00e1l dr\u017e\u00ed lev\u00e1 ruka, je pod\u00e1v\u00e1n ve sm\u011bru \u0159ez\u00e1n\u00ed. A horn\u00ed \u0159ezn\u00e1 hrana je zarovn\u00e1na s \u010d\u00e1rou \u0159ezu, na p\u0159\u00edmce nebo na te\u010dn\u00e9 linii k\u0159ivky.<\/p>\n\n\n\n

P\u0159i \u0159ez\u00e1n\u00ed by m\u011bla b\u00fdt \u0159ezn\u00e1 hrana pou\u017eita k pevn\u00e9mu p\u0159itla\u010den\u00ed materi\u00e1lu a \u0159ezac\u00ed \u00fast\u00ed by m\u011blo b\u00fdt s materi\u00e1lem pod \u00fahlem (aby se \u0161et\u0159ilo \u00fasil\u00ed), jak je zn\u00e1zorn\u011bno na obr\u00e1zku.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Na za\u010d\u00e1tku \u0159ez\u00e1n\u00ed by m\u011bly b\u00fdt na obou \u0159ezn\u00fdch hran\u00e1ch otev\u0159eny pouze 3\/4 celkov\u00e9 d\u00e9lky b\u0159itu. Na konci prvn\u00edho \u0159ezu by \u0159ezn\u00e1 hrana nem\u011bla b\u00fdt zcela uzav\u0159ena, ale m\u011bla by b\u00fdt ponech\u00e1na 1\/4 d\u00e9lky b\u0159itu. To znamen\u00e1, \u017ee poka\u017ed\u00e9, kdy\u017e se n\u016f\u017eky otev\u00edraj\u00ed a zav\u00edraj\u00ed, je b\u0159it pouze 1\/4 a\u017e 3\/4 kontaktu b\u0159itu s listov\u00fdm materi\u00e1lem, potom p\u0159i ka\u017ed\u00e9m st\u0159\u00edh\u00e1n\u00ed by d\u00e9lka st\u0159ihu listov\u00e9ho materi\u00e1lu m\u011bla b\u00fdt asi 1 \/2 d\u00e9lky b\u0159itu. Obr\u00e1zek ukazuje ka\u017edou otev\u00edrac\u00ed a koncovou polohu b\u0159itu.<\/p>\n\n\n\n

\"Pracovn\u00ed
Pracovn\u00ed stav b\u0159itu<\/figcaption><\/figure><\/div>\n\n\n\n

Kdy\u017e je \u0159ezn\u00e1 hrana zav\u0159en\u00e1, tlakov\u00e1 \u010d\u00e1ra je nep\u0159etr\u017eit\u011b \u0159ez\u00e1na, \u0159ezac\u00ed \u00fast\u00ed by m\u011blo udr\u017eovat mezeru 0 ~ 0,2 mm a tenk\u00fd materi\u00e1l by m\u011bl m\u00edt malou hodnotu, vezm\u011bte maxim\u00e1ln\u00ed hodnotu siln\u00e9ho materi\u00e1lu, jak je zn\u00e1zorn\u011bno na obr\u00e1zku.<\/p>\n\n\n\n

\"Mezera
Mezera mezi b\u0159ity<\/figcaption><\/figure><\/div>\n\n\n\n

2. Zp\u016fsob ovl\u00e1d\u00e1n\u00ed \u0159ezac\u00ed struny: Je zobrazen na obr\u00e1zc\u00edch (a) a (b). Jsou uvedeny sm\u011bry spr\u00e1vn\u00e9ho a nespr\u00e1vn\u00e9ho provozu p\u0159i \u0159ez\u00e1n\u00ed p\u0159\u00edmek. A \u0159\u00edk\u00e1 se tomu spr\u00e1vn\u00fd sm\u011br, proto\u017ee v procesu st\u0159\u00edh\u00e1n\u00ed Proto\u017ee prav\u00e1 dr\u017e\u00ed t\u011blo n\u016f\u017eek s pravou nohou na A a levou rukou na B. Jak se \u0159ez\u00e1n\u00ed prohlubuje, lev\u00e1 ruka by m\u011bla b\u00fdt zvednuta nahoru, aby poskytla pomocnou ruku p\u0159i trh\u00e1n\u00ed mezery mezi b\u0159ity a aby spodn\u00ed \u0159ezac\u00ed m\u00edstnost m\u011bla kapacitu t\u011bla, proto\u017ee deska B je mal\u00e1, m\u016f\u017ee se snadno zvednout, tak\u017ee je to spr\u00e1vn\u00fd sm\u011br. Na obr\u00e1zku (b) v\u0161ak kv\u016fli velk\u00e9 plo\u0161e a hmotnosti na B nelze materi\u00e1l p\u0159i st\u0159ihu nadzvednout, tak\u017ee je obt\u00ed\u017en\u00e9 \u0159ezat hluboko, tak\u017ee je ve \u0161patn\u00e9m sm\u011bru.<\/p>\n\n\n\n

\"Provoz
Provoz \u0159ezac\u00ed linky<\/figcaption><\/figure><\/div>\n\n\n\n

3. Zp\u016fsob operace \u0159ez\u00e1n\u00ed konk\u00e1vn\u00edch roh\u016f a \u00fahlov\u00fdch materi\u00e1l\u016f: Pokud je \u0159ezn\u00e1 linie na deskov\u00e9m materi\u00e1lu konk\u00e1vn\u00ed ke tvaru obrobku, tj. Takzvan\u00fd konk\u00e1vn\u00ed \u00fahel, m\u011bla by b\u00fdt vyvrt\u00e1na v pr\u016fse\u010d\u00edku konk\u00e1vn\u00ed \u0159ezac\u00ed linie zastavit otvor nebo ponechat ur\u010ditou vzd\u00e1lenost ne\u0159\u00edznout. \u00da\u010delem otvoru pro zastaven\u00ed vrt\u00e1n\u00ed je nechat st\u0159i\u017enou \u010d\u00e1ru na obou stran\u00e1ch b\u0159itu v \u0159ezn\u00e9m konci polohy b\u0159itu dopadnout na horn\u00ed otvor, p\u0159i\u010dem\u017e ponech\u00e1n\u00ed ur\u010dit\u00e9 vzd\u00e1lenosti neznamen\u00e1 \u0159ez\u00e1n\u00ed na obou stran\u00e1ch b\u0159itu okraj kone\u010dn\u00e9 polohy b\u0159itu v obrobku, \u00fa\u010delem nen\u00ed ponechat zna\u010dku b\u0159itu v pr\u016fse\u010d\u00edku obrobku, aby se nevytvo\u0159il zdroj koncentrace nap\u011bt\u00ed. Obecn\u011b se pou\u017e\u00edv\u00e1 k ponech\u00e1n\u00ed ur\u010dit\u00e9 vzd\u00e1lenosti v pr\u016fse\u010d\u00edku smykov\u00e9 linie, ale po \u0159ez\u00e1n\u00ed se pou\u017e\u00edv\u00e1 k ru\u010dn\u00edmu odlomen\u00ed spoje a pot\u00e9 pomoc\u00ed piln\u00edku k oprav\u011b po\u017eadavk\u016f na \u0159ez\u00e1n\u00ed. Pro zkr\u00e1cen\u00ed diagon\u00e1ln\u00edch \u010d\u00e1st\u00ed lze nejprve od\u0159\u00edznout \u00faheln\u00fd ko\u0159en a pot\u00e9 \u0159ezat pod\u00e9l \u010d\u00e1ry n\u016f\u017ekami, jak je zn\u00e1zorn\u011bno na obr\u00e1zku.<\/p>\n\n\n\n

\"\u0158ez\u00e1n\u00ed
\u0158ez\u00e1n\u00ed konk\u00e1vn\u00edch roh\u016f a rohov\u00fdch materi\u00e1l\u016f<\/figcaption><\/figure><\/div>\n\n\n\n

4. Zp\u016fsob ovl\u00e1d\u00e1n\u00ed k\u0159ivky \u0159ezu: Pokud je \u0159eznou lini\u00ed k\u0159ivka, sm\u011br \u0159ezn\u00e9 hrany pod\u00e9l k\u0159ivky je takov\u00fd, aby \u0159ezn\u00e1 hrana nep\u0159ekr\u00fdvala linii \u0159ezu, tak\u017ee obsluha m\u016f\u017ee udr\u017eet b\u0159it na ovl\u00e1dac\u00edm prvku v souladu s tangentov\u00fdm sm\u011brem k\u0159ivky p\u0159i \u0159ez\u00e1n\u00ed, jak ukazuje obr\u00e1zek.<\/p>\n\n\n\n

\"Sm\u011br
Sm\u011br \u0159ez\u00e1n\u00ed<\/figcaption><\/figure><\/div>\n\n\n\n

Zp\u016fsob \u0159ez\u00e1n\u00ed vnit\u0159n\u00edho otvoru je: nejprve otev\u0159ete procesn\u00ed otvor v deskov\u00e9m materi\u00e1lu a pot\u00e9 pomoc\u00ed zak\u0159iven\u00e9ho st\u0159ihu postupn\u011b expandujte k linii \u0159ezu, roz\u0159\u00edzn\u011bte velk\u00fd vnit\u0159n\u00ed otvor, lep\u0161\u00ed metodou je \u0159ez\u00e1n\u00ed vibracemi.<\/p>\n\n\n\n

B\u011b\u017en\u00e9 vady \u0159ez\u00e1n\u00ed a \u0159e\u0161en\u00ed<\/strong><\/h4>\n\n\n\n

P\u0159i \u0159ez\u00e1n\u00ed plechu se \u010dasto objevuj\u00ed provozn\u00ed chyby nebo vady, jako je kontinu\u00e1ln\u00ed \u0159ez\u00e1n\u00ed, velikost mimo toleranci, p\u0159eru\u0161ovan\u00e1 linie \u0159ez\u00e1n\u00ed, \u0159ez\u00e1n\u00ed trhlin a ot\u0159ep\u016f. N\u00e1sleduje anal\u00fdza a poskytnut\u00ed odpov\u00eddaj\u00edc\u00edch \u0159e\u0161en\u00ed.<\/p>\n\n\n\n

1. List je neust\u00e1le \u0159ez\u00e1n: Hlavn\u00ed d\u016fvody pro kontinu\u00e1ln\u00ed v\u00fdrobu \u0159ezan\u00e9ho plechu jsou n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n

  • U horn\u00edch a doln\u00edch lopatek je mezera p\u0159\u00edli\u0161 velk\u00e1. D\u016fvodem je rozd\u00edln\u00e1 v\u016fle kotou\u010de pro r\u016fzn\u00e9 tlou\u0161\u0165ky plechu, p\u0159\u00edli\u0161 mal\u00e1 mezera povede k opot\u0159eben\u00ed horn\u00edho a doln\u00edho kotou\u010de, co\u017e zv\u00fd\u0161\u00ed operaci \u0159ezac\u00ed s\u00edly; Nadm\u011brn\u00e1 mezera povede k soustru\u017een\u00ed a \u0159ez\u00e1n\u00ed list\u016f. V tomto okam\u017eiku by m\u011bla b\u00fdt p\u0159\u00edslu\u0161n\u011b upravena mezera mezi horn\u00edm a doln\u00edm okrajem. Na obr\u00e1zku je metoda \u00fapravy mezery. Obr\u00e1zek (a) je metoda z\u00fa\u017een\u00ed mezery \u00faderem na okraj hlavy n\u00fdtu a tlakem na konvexn\u00ed podlo\u017eku n\u016f\u017eek, aby se \u010d\u00e1st kovu pohybovala dol\u016f, tak\u017ee mezera mezi dv\u011bma \u0159ezn\u00fdmi hranami bude z\u00fa\u017eena. B\u011bhem provozu nevyv\u00edjejte p\u0159\u00edli\u0161 velkou s\u00edlu a efektu dos\u00e1hnou pouze dv\u011b nebo t\u0159i kladiva kolem. Obr\u00e1zek (b) ukazuje zp\u016fsob zv\u011bt\u0161en\u00ed mezery. \u0158ezn\u00e1 hrana a \u0159ezac\u00ed rukoje\u0165 jsou vyztu\u017eeny pevnou oporou (\u010d\u00edm bl\u00ed\u017ee je k rotuj\u00edc\u00edmu h\u0159\u00eddeli, t\u00edm lep\u0161\u00ed je \u00fa\u010dinek) a pot\u00e9 je kladivem zasa\u017een dal\u0161\u00ed \u0159ezac\u00ed mechanismus (\u010c\u00edm bl\u00ed\u017ee je bod \u00faderu k ose ot\u00e1\u010den\u00ed , t\u00edm l\u00e9pe.) Pokud se z konvexn\u00edch podlo\u017eek staly ploch\u00e9 podlo\u017eky (viz obr\u00e1zek c), pak bez ohledu na to, jak zas\u00e1hnout jakoukoli \u010d\u00e1st hlavy n\u00fdtu, mezeru nelze upravit. V tuto chv\u00edli je \u0159e\u0161en\u00edm zni\u010dit n\u00fdt, vym\u011bnit n\u00fdt a vypoukl\u00e9 podlo\u017eky.<\/li><\/ul>\n\n\n\n
    • \u010cepel je p\u0159\u00edli\u0161 tup\u00e1, \u0159e\u0161en\u00edm je ost\u0159en\u00ed ost\u0159\u00ed.<\/li><\/ul>\n\n\n\n
      • Listov\u00fd materi\u00e1l je p\u0159\u00edli\u0161 siln\u00fd a p\u0159esahuje rozsah ru\u010dn\u00edho \u0159ez\u00e1n\u00ed.<\/li><\/ul>\n\n\n\n
        \"Nastaven\u00ed
        Nastaven\u00ed mezery \u0159ezn\u00e9ho kotou\u010de<\/figcaption><\/figure><\/div>\n\n\n\n

        2. Velikost st\u0159ihu je mimo toleranci: Hlavn\u00edm d\u016fvodem, pro\u010d je velikost st\u0159ihu nad toleranc\u00ed, je, \u017ee horn\u00ed n\u016f\u017e n\u016f\u017eek nen\u00ed zarovn\u00e1n s lini\u00ed \u0159ezu listov\u00e9ho materi\u00e1lu. Pokud je \u010d\u00e1ra \u0159ezu p\u0159\u00edmka, m\u011bla by b\u00fdt horn\u00ed \u010depel p\u0159itla\u010dena, aby p\u0159\u00edmku o\u0159\u00edzla. Pokud je \u010d\u00e1rou \u0159ezu k\u0159ivka, sm\u011br \u0159ez\u00e1n\u00ed n\u016f\u017eek by nem\u011bl zakr\u00fdvat linii, a \u010depel p\u0159itla\u010d\u00ed listov\u00fd materi\u00e1l tak, aby si zachoval stejn\u00fd te\u010dn\u00fd sm\u011br jako linie pro \u0159ez\u00e1n\u00ed.<\/p>\n\n\n\n

        3. Nespojit\u00e1 \u0159ezac\u00ed linka: D\u016fvody pro p\u0159eru\u0161ovanou \u0159ezac\u00ed linku jsou n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n

        • D\u00edky uvoln\u011bn\u00ed mezi n\u016f\u017ekami a plo\u0161n\u00fdm materi\u00e1lem, kdy\u017e se sousedn\u00ed \u0159ez\u00e1n\u00ed prov\u00e1d\u00ed p\u0159ed a po \u0159ez\u00e1n\u00ed, lze tomuto jevu zabr\u00e1nit, pokud je tlakov\u00e9 potrub\u00ed na ost\u0159\u00ed nep\u0159etr\u017eit\u011b \u0159ez\u00e1no.<\/li><\/ul>\n\n\n\n
          • \u0158ezn\u00e1 hrana se v d\u016fsledku dlouhodob\u00e9ho pou\u017e\u00edv\u00e1n\u00ed oh\u00fdb\u00e1, tvo\u0159\u00ed konvexn\u00ed nebo konvexn\u00ed, \u0159e\u0161en\u00edm je upravit b\u0159it rovn\u011b nebo vym\u011bnit n\u016f\u017eky.<\/li><\/ul>\n\n\n\n

            4. \u0158ez\u00e1n\u00ed trhlin: Hlavn\u00ed d\u016fvody pro odstran\u011bn\u00ed vad trhlin jsou:<\/p>\n\n\n\n

            • V konk\u00e1vn\u00edm rohu obrobku nen\u00ed vyvrt\u00e1n k zastaven\u00ed otvoru, nebo proto, \u017ee b\u0159it p\u0159es \u010d\u00e1ru a opustil nesest\u0159\u00edhan\u00fd b\u0159it, co\u017e m\u00e1 za n\u00e1sledek zdroj koncentrace nap\u011bt\u00ed, z r\u016fzn\u00fdch d\u016fvod\u016f a expanduje do r\u016fzn\u00fdch trhlin. Jedin\u00fdm zp\u016fsobem je vrtat, aby se otvor zastavil, nebo nechat okraj podle pot\u0159eby.<\/li><\/ul>\n\n\n\n
              • Horn\u00ed a doln\u00ed \u0159ezn\u00e9 hrany jsou p\u0159\u00edli\u0161 mal\u00e9, tak\u017ee \u0159ezn\u00e9 hrany jsou v\u0161echny uzav\u0159en\u00e9, aby mohly kousky kousat b\u011bhem \u0159ez\u00e1n\u00ed. Zp\u016fsobu, jak se tomu vyhnout, je upravit mezeru ost\u0159\u00ed, p\u0159i \u0159ez\u00e1n\u00ed ji \u00fapln\u011b nezav\u0159\u00edt a ponechat 1\/4 d\u00e9lky \u010depele pro dal\u0161\u00ed \u0159ez\u00e1n\u00ed.<\/li><\/ul>\n\n\n\n

                5. Mnoho ot\u0159ep\u016f: Hlavn\u00ed d\u016fvody pro ot\u0159epy jsou n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n

                • Mezera pro \u0159ez\u00e1n\u00ed horn\u00edho a doln\u00edho no\u017ee nen\u00ed vhodn\u00e1. Mezera je p\u0159\u00edli\u0161 velk\u00e1 nebo p\u0159\u00edli\u0161 mal\u00e1, co\u017e zp\u016fsob\u00ed v\u011bt\u0161\u00ed ot\u0159epy.<\/li><\/ul>\n\n\n\n
                  • Ost\u0159\u00ed je p\u0159\u00edli\u0161 tup\u00e9. Pokud je b\u0159it p\u0159\u00edli\u0161 tup\u00fd, vytvo\u0159\u00ed p\u0159\u00edli\u0161 mnoho ot\u0159ep\u016f.<\/li><\/ul>\n\n\n\n

                    Opat\u0159en\u00ed pro \u0159ez\u00e1n\u00ed<\/strong><\/h4>\n\n\n\n

                    1. V procesu ru\u010dn\u00edho \u0159ez\u00e1n\u00ed deskov\u00e9ho materi\u00e1lu mus\u00ed b\u00fdt \u0159ezn\u00e1 plocha, kde jsou um\u00edst\u011bny dv\u011b \u0159ezn\u00e9 hrany, udr\u017eov\u00e1na kolmo k povrchu \u0159ezan\u00e9 desky, aby se \u0159ezn\u00e1 hrana dostala do nejefektivn\u011bj\u0161\u00ed smykov\u00e9 relativn\u00ed polohy ; \u0158ezan\u00fd povrch je zak\u00e1z\u00e1n naklonit se k povrchu desky, v opa\u010dn\u00e9m p\u0159\u00edpad\u011b to povede k nadm\u011brn\u00e9mu ot\u0159epu \u0159ezac\u00edho \u00fast\u00ed obrobku, nen\u00ed kolm\u00e9 na rovinu desky, nebo dokonce \u0159ez\u00e1n\u00ed nebo up\u00edn\u00e1n\u00ed obrobku mezi rovinou ot\u00e1\u010den\u00ed dv\u011b n\u016f\u017eky.<\/p>\n\n\n\n

                    2. \u0158ezn\u00e1 s\u00edla vyv\u00edjen\u00e1 b\u0159item na obrobek. M\u011blo by b\u00fdt souvisl\u00e9 a hladk\u00e9. P\u0159i \u0159ez\u00e1n\u00ed siln\u011bj\u0161\u00edch desek je zak\u00e1z\u00e1no zatloukat zadn\u00ed \u010d\u00e1st n\u016f\u017eek, aby se zv\u00fd\u0161ila \u0159ezn\u00e1 s\u00edla. Po\u0161kozen\u00ed \u0159ezn\u00e9 hrany je nejen snadn\u00e9, ale tak\u00e9 v d\u016fsledku n\u00e1razov\u00e9ho \u0159ez\u00e1n\u00ed se k\u0159ivka, kter\u00e1 se m\u00e1 \u0159ezat, stane p\u0159eru\u0161ovanou \u010darou, kter\u00e1 ovliv\u0148uje kvalitu \u0159ezu. V tuto chv\u00edli zkuste prodlou\u017eit d\u00e9lku rukojeti n\u016f\u017eek, abyste zv\u00fd\u0161ili \u0159eznou s\u00edlu na obrobek, nap\u0159\u00edklad p\u0159id\u00e1n\u00edm obj\u00edmky z ocelov\u00e9 trubky.<\/p>","protected":false},"excerpt":{"rendered":"

                    Manual cutting is to make sheet metal, profiles, bars through specialized shear equipment or tools to make it a straight<\/p>","protected":false},"author":3,"featured_media":2120,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[844,831,843],"class_list":["post-2101","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shearing-machine","tag-cutting-operation","tag-manual-cutting","tag-sheet-metal-cutting"],"jetpack_featured_media_url":"https:\/\/www.hecter.cn\/wp-content\/uploads\/2021\/05\/\u672a\u547d\u540d\u7684\u8bbe\u8ba1-7.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/posts\/2101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/comments?post=2101"}],"version-history":[{"count":0,"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/posts\/2101\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/media\/2120"}],"wp:attachment":[{"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/media?parent=2101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/categories?post=2101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hecter.cn\/cs\/wp-json\/wp\/v2\/tags?post=2101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}