{"id":1690,"date":"2021-03-17T08:24:01","date_gmt":"2021-03-17T08:24:01","guid":{"rendered":"https:\/\/zlqu95mfyr.wpdns.site\/?p=1690"},"modified":"2021-09-14T06:35:46","modified_gmt":"2021-09-14T06:35:46","slug":"harsle-extend-the-life-of-a-hydraulic-press-machine-or-replace-it","status":"publish","type":"post","link":"https:\/\/avido.cn\/cs\/harsle-extend-the-life-of-a-hydraulic-press-machine-or-replace-it\/","title":{"rendered":"Prodlou\u017eit \u017eivotnost hydraulick\u00e9ho lisu nebo jej vym\u011bnit?"},"content":{"rendered":"

1. Podle \u010d\u00edsel hydrauliky lisovac\u00ed stroj<\/a><\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

Kdy\u017e hydraulick\u00fd lis stroj<\/a> pracuje pro va\u0161i spole\u010dnost v\u00edce ne\u017e deset let, m\u011bli byste nyn\u00ed upgradovat sv\u016fj st\u00e1vaj\u00edc\u00ed lis nebo jej vym\u011bnit? Pokud jej upgradujete, kter\u00e9 polo\u017eky byste se m\u011bli zam\u011b\u0159it na aktualizaci nebo v\u00fdm\u011bnu?<\/p>\n\n\n\n

Na jedn\u00e9 stran\u011b by n\u00e1klady na \u00fapln\u00fd upgrade stroje nem\u011bly p\u0159es\u00e1hnout 65% n\u00e1klad\u016f na nov\u00fd stroj. I po kompletn\u00ed modernizaci hydrauliky, elektriky a mechaniky jsou sou\u010d\u00e1sti r\u00e1mu st\u00e1le star\u00e9. Nov\u00e9 za\u0159\u00edzen\u00ed bude m\u00edt mnohem del\u0161\u00ed \u017eivotnost.<\/p>\n\n\n\n

Na druhou stranu, dal\u0161\u00ed v\u011bc, kterou je t\u0159eba zv\u00e1\u017eit, je odpis majetku. Nov\u00e9 stroje se budou odepisovat l\u00e9pe ne\u017e star\u0161\u00ed za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

2. Stav stroje<\/p>\n\n\n\n

V\u011bd\u011bt, kdy vym\u011bnit sou\u010d\u00e1sti a pomocn\u00e9 \u010d\u00e1sti hydraulick\u00e9ho syst\u00e9mu, m\u016f\u017ee p\u0159im\u011b\u0159en\u011b sn\u00ed\u017eit \u00fadr\u017ebu a prostoje hydraulick\u00e9ho stroje. P\u0159esto\u017ee v\u0161ichni v\u00edme, \u017ee pos\u00edlen\u00ed \u00fadr\u017eby hydraulick\u00fdch lis\u016f m\u016f\u017ee prodlou\u017eit jejich \u017eivotnost, n\u00e1sleduj\u00edc\u00ed poruchy mohou odr\u00e1\u017eet nutnost v\u00fdm\u011bny n\u011bkter\u00fdch sou\u010d\u00e1st\u00ed syst\u00e9mu nebo p\u0159\u00edslu\u0161enstv\u00ed<\/p>\n\n\n\n

2.1 Hydraulick\u00e9 lisy stroj ji\u017e nem\u016f\u017ee zvy\u0161ovat tlak<\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

V d\u016fsledku t\u00e9to z\u00e1vady mus\u00ed b\u00fdt v\u011bt\u0161ina probl\u00e9m\u016f s \u010derpadlem a ventilem, pokud je porucha \u010derpadla z\u00e1va\u017en\u011bj\u0161\u00ed, oprava velk\u00e9ho rozsahu. Pokud je \u010derpadlo v\u00e1\u017en\u011bj\u0161\u00ed a mus\u00ed b\u00fdt opraveno ve velk\u00e9m m\u011b\u0159\u00edtku (\u017e\u00e1dn\u00e1 hodnota opravy), mus\u00edme vym\u011b\u0148te \u010derpadlo, aby byl zaji\u0161t\u011bn norm\u00e1ln\u00ed provoz hydraulick\u00e9ho lisu.<\/p>\n\n\n\n

2.2 Mezery v konstrukci<\/p>\n\n\n\n

Celkov\u00fd r\u00e1m hydraulick\u00e9ho lisu je tvo\u0159en sva\u0159en\u00fdmi horn\u00edmi, st\u0159edn\u00edmi (pohybliv\u00fdmi) a spodn\u00edmi nosn\u00edky.<\/p>\n\n\n\n

Pokud je nad r\u00e1mem mal\u00e1 nebo v\u00fdrazn\u00e1 mezera, je do\u010dasn\u00fdm \u0159e\u0161en\u00edm r\u00e1m sva\u0159it, ale p\u0159\u00edpadn\u011b je nutn\u00e9 vym\u011bnit cel\u00fd r\u00e1mov\u00fd p\u0159\u00ed\u010dn\u00edk.<\/p>\n\n\n\n

2.3 V\u00e1\u017en\u00e9 probl\u00e9my s hydraulick\u00fdmi nebo elektrick\u00fdmi sou\u010d\u00e1stmi<\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

P\u0159eru\u0161ovan\u00fd provoz m\u016f\u017ee indikovat zkrat nebo uvoln\u011bn\u00fd vodi\u010d. Ujist\u011bte se, \u017ee jsou v\u0161echny vodi\u010de pevn\u011b upevn\u011bny a jsou zakrou\u017ekovan\u00e9, aby se zabr\u00e1nilo k\u0159\u00ed\u017eov\u00e9mu dotyku s jin\u00fdmi elektrick\u00fdmi sou\u010d\u00e1stmi.<\/p>\n\n\n\n

zajist\u011bte, aby byly v\u0161echny elektrick\u00e9 kabely pevn\u011b uchyceny a opat\u0159eny man\u017eetami, aby se zabr\u00e1nilo k\u0159\u00ed\u017eov\u00e9mu dotyku s jin\u00fdmi elektrick\u00fdmi sou\u010d\u00e1stmi. Po\u0161kozen\u00e9 hadice a nespr\u00e1vn\u011b zalisovan\u00e9 fitinky mohou zp\u016fsobit poruchy potrub\u00ed, nap\u0159\u00edklad: hadice by se nem\u011bly vz\u00e1jemn\u011b dot\u00fdkat a tvarovky by m\u011bly b\u00fdt zalisov\u00e1ny certifikovan\u00fdm za\u0159\u00edzen\u00edm, aby bylo zaji\u0161t\u011bno, \u017ee dok\u00e1\u017eou p\u0159evz\u00edt syst\u00e9mov\u00fd tlak pou\u017e\u00edvan\u00fd na jedin\u00e9m hydraulick\u00e9m lisu. Krom\u011b toho poslouchejte neobvykl\u00e9 zvuky vych\u00e1zej\u00edc\u00ed z hydraulick\u00e9 n\u00e1dr\u017ee, kter\u00e9 mohou b\u00fdt zn\u00e1mkou poruchy \u010derpadla.<\/p>\n\n\n\n

Pokud budete p\u0159i pou\u017e\u00edv\u00e1n\u00ed hydraulick\u00e9ho lisu ignorovat n\u011bkter\u00e9 z t\u011bchto varov\u00e1n\u00ed a budete pokra\u010dovat v provozu lisu, m\u016f\u017ee doj\u00edt ke ztr\u00e1t\u011b v\u00fdkonu. M\u016f\u017ee doj\u00edt k ur\u010dit\u00fdm ztr\u00e1t\u00e1m v\u00fdkonu. Doby cykl\u016f a prostoje lze prodlou\u017eit p\u0159i \u0159e\u0161en\u00ed tlakov\u00fdch zpo\u017ed\u011bn\u00ed. Krom\u011b toho je pravd\u011bpodobn\u00e9, \u017ee bude nep\u0159\u00edzniv\u011b ovlivn\u011bna p\u0159esnost sou\u010d\u00e1sti a r\u016fzn\u00e9 tlaky mohou v\u00e9st k r\u016fzn\u00fdm tvarovan\u00fdm d\u00edl\u016fm nebo dokonce nemohou b\u00fdt d\u00edly vyra\u017eeny.<\/p>\n\n\n\n

Krom\u011b pe\u010dliv\u00e9 a rozumn\u00e9 \u00fadr\u017eby v\u0161ech sou\u010d\u00e1st\u00ed v hydraulick\u00e9m lisu je d\u016fle\u017eit\u00e9, aby byly vadn\u00e9 sou\u010d\u00e1sti vym\u011bn\u011bny, jakmile se objev\u00ed. Krom\u011b pe\u010dliv\u00e9 a rozumn\u00e9 \u00fadr\u017eby v\u0161ech komponent\u016f v hydraulick\u00e9m lisu je d\u016fle\u017eit\u00e9, aby byly vadn\u00e9 komponenty okam\u017eit\u011b vym\u011bn\u011bny, tak\u017ee hydraulick\u00fd lis m\u00e1 nejen del\u0161\u00ed \u017eivotnost, ale tak\u00e9 zvy\u0161uje bezpe\u010dnost \u017eivotnosti.<\/p>\n\n\n\n

3. Dva zp\u016fsoby posouzen\u00ed, zda do\u0161lo k z\u00e1vad\u011b na hydraulick\u00e9m lisu<\/p>\n\n\n\n

V procesu \u00fadr\u017eby hydraulick\u00e9ho stroje mohou n\u011bkter\u00e9 relativn\u011b praktick\u00e9 diagnostick\u00e9 metody pro diagnostiku poruch hydraulick\u00e9ho stroje urychlit dobu \u00fadr\u017eby, rychle naj\u00edt \u010d\u00e1st, kde do\u0161lo k poru\u0161e, co\u017e \u0161et\u0159\u00ed \u010das a \u00fasil\u00ed.<\/p>\n\n\n\n

3.1 Zp\u016fsob v\u00fdm\u011bny <\/p>\n\n\n\n

Stejn\u00fd typ, stejn\u00e1 struktura, stejn\u00fd princip hydraulick\u00e9ho stroje na stejn\u00fdch sou\u010d\u00e1stech, v\u00fdm\u011bna (vym\u011bniteln\u00e1) instalovan\u00e1 v jednotn\u00e9 poloze, m\u016f\u017ee rychle potvrdit, zda vym\u011bn\u011bn\u00e9 sou\u010d\u00e1sti maj\u00ed spolehlivou poruchu. V\u00fdhodou t\u00e9to metody je, \u017ee i kdy\u017e je technick\u00e1 \u00farove\u0148 oprav\u00e1rensk\u00e9ho person\u00e1lu n\u00edzk\u00e1, mohou tuto metodu pom\u011brn\u011b rychle aplikovat i na poruchu hydraulick\u00e9ho stroje, aby ud\u011blali spr\u00e1vn\u00fd \u00fasudek a o\u0161et\u0159en\u00ed. Pou\u017eit\u00ed t\u00e9to metody v\u0161ak mus\u00ed b\u00fdt stejn\u00e9ho typu, stejn\u00e9 konstrukce, stejn\u00e9ho hydraulick\u00e9ho principu a stejn\u00fdch hydraulick\u00fdch komponent jako podm\u00ednka, tak\u017ee tato metoda m\u00e1 velk\u00e1 omezen\u00ed a ur\u010ditou slepotu.<\/p>\n\n\n\n

3.2 Pomocn\u00fd zp\u016fsob hydraulick\u00e9ho lisu<\/p>\n\n\n\n

Pomoc\u00ed jednoduch\u00fdch pomocn\u00fdch d\u00edl\u016f lze hydraulick\u00fdm komponent\u016fm hydraulick\u00e9ho tlaku diagnostikovat, zda nedo\u0161lo k z\u00e1vad\u011b.<\/p>\n\n\n\n

(1) Zablokov\u00e1n\u00ed olejov\u00e9ho portu, jako je zablokov\u00e1n\u00ed sou\u010d\u00e1st\u00ed hydraulick\u00e9ho ventilu a otvoru pro olej ve v\u00e1lci, m\u016f\u017ee diagnostikovat, zda tyto hydraulick\u00e9 sou\u010d\u00e1sti net\u011bsn\u00ed.<\/p>\n\n\n\n

(2) Um\u011bl\u00e1 sm\u011brov\u00e1 metoda horn\u00ed ty\u010de, aby sou\u010d\u00e1sti hydraulick\u00e9ho ventilu zm\u011bnily sm\u011br, m\u016f\u017ee diagnostikovat, zda sm\u011brov\u00fd ventil zaplavuje, jako je zaseknut\u00ed, c\u00edvka nen\u00ed na sv\u00e9m m\u00edst\u011b a jin\u00e9 z\u00e1vady. Tuto metodu lze pou\u017e\u00edt k diagnostice, zda jsou hydraulick\u00e9 komponenty vadn\u00e9, ani\u017e by bylo nutn\u00e9 komponenty demontovat, \u010d\u00edm\u017e se zabr\u00e1n\u00ed nadm\u011brn\u00e9mu zat\u00ed\u017een\u00ed p\u0159i demont\u00e1\u017ei, zkr\u00e1t\u00ed se doba diagnostiky poruch a usnadn\u00ed se rychl\u00e1 diagnostika, zejm\u00e9na u v\u011bt\u0161\u00edch t\u011bsn\u011bn\u00ed v\u00e1lc\u016f a jin\u00fdch poruch s velmi dobrou prakti\u010dnost\u00ed.<\/p>\n\n\n\n

3.3 Empirick\u00e1 metoda hydraulick\u00e9ho lisu<\/p>\n\n\n\n

Zvl\u00e1dnut\u00edm teorie hydraulick\u00e9ho syst\u00e9mu hydraulick\u00e9ho stroje, pochopen\u00edm struktury a principu \u010dinnosti hydraulick\u00fdch komponent\u016f a na z\u00e1klad\u011b bohat\u00fdch praktick\u00fdch zku\u0161enost\u00ed m\u016f\u017ee inspektor prov\u00e9st komplexn\u00ed anal\u00fdzu poruch generovan\u00fdch hydraulick\u00fdm strojem, a spr\u00e1vn\u00e1 diagn\u00f3za m\u016f\u017ee b\u00fdt stanovena rychle. V souhrnu lze obecn\u00e9 poruchov\u00e9 oblasti hydraulick\u00fdch stroj\u016f a jejich p\u0159\u00ed\u010diny \u0161iroce rozd\u011blit do n\u00e1sleduj\u00edc\u00edch p\u011bti oblast\u00ed.<\/p>\n\n\n\n

(1) nespr\u00e1vn\u00e9 se\u0159\u00edzen\u00ed hydraulick\u00fdch sou\u010d\u00e1st\u00ed, jako jsou: hydraulick\u00e1 \u010derpadla, olejov\u00e9 motory, sekven\u010dn\u00ed ventily, ventily k ventilu, pojistn\u00e9 ventily, vypou\u0161t\u011bc\u00ed ventily, chyby se\u0159\u00edzen\u00ed tlaku vyrovn\u00e1vac\u00edho ventilu a pr\u016ftoku.<\/p>\n\n\n\n

(2) Ut\u011bsn\u011bte po\u0161kozen\u00e9 sou\u010d\u00e1sti nebo ne\u010distoty, aby hydraulick\u00e9 sou\u010d\u00e1sti nemohly spr\u00e1vn\u011b fungovat;<\/p>\n\n\n\n

(3) Opot\u0159eben\u00ed nebo po\u0161kozen\u00ed hydraulick\u00fdch sou\u010d\u00e1st\u00ed, jako je selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed sou\u010d\u00e1st\u00ed ventilu, selh\u00e1n\u00ed pru\u017einy, p\u0159\u00edli\u0161 velk\u00e1 nebo p\u0159\u00edli\u0161 mal\u00e1 v\u016fle atd.;<\/p>\n\n\n\n

(4) Selh\u00e1n\u00ed elektrick\u00e9ho ovl\u00e1dac\u00edho mechanismu hydraulick\u00e9ho stroje, jako je: porucha rel\u00e9, \u0161patn\u00fd nebo po\u0161kozen\u00fd kontakt tla\u010d\u00edtka, nep\u0159esn\u00e1 instalace solenoidu, nespr\u00e1vn\u00e9 p\u0159ipojen\u00ed f\u00e1zov\u00e9ho veden\u00ed motoru a dal\u0161\u00ed d\u016fvody zp\u016fsoben\u00e9 nespr\u00e1vnou funkc\u00ed hydraulick\u00fdch komponent nebo chybou programu.<\/p>\n\n\n\n

(5) Porucha pomocn\u00e9ho mechanismu, jako je: nespr\u00e1vn\u00e9 se\u0159\u00edzen\u00ed nebo po\u0161kozen\u00ed polohy koncov\u00e9ho sp\u00edna\u010de, po\u0161kozen\u00ed bud\u00edc\u00edho stolu, po\u0161kozen\u00ed silov\u00e9ho rel\u00e9, p\u0159\u00edli\u0161 velk\u00fd nebo p\u0159\u00edli\u0161 mal\u00fd po\u010det filtr\u016f olejov\u00e9 n\u00e1dr\u017ee atd.<\/p>\n\n\n\n

3.4 Senzorick\u00e1 metoda hydraulick\u00e9ho lisu<\/p>\n\n\n\n

Diagnostika poruch hydraulick\u00e9ho lisu, kter\u00e1 je \u010dasto nejpou\u017e\u00edvan\u011bj\u0161\u00ed metodou.<\/p>\n\n\n\n

\u201eZeptejte se\u201c: Po\u017e\u00e1d\u00e1n\u00edm oper\u00e1tora hydraulick\u00e9ho lisu, aby porozum\u011bl jevu z\u00e1vady, co\u017e pom\u016f\u017ee person\u00e1lu oprav prov\u00e1d\u011bt diagnostiku a anal\u00fdzu z\u00e1vad.<\/p>\n\n\n\n

\u201ePod\u00edvejte se\u201c: sledov\u00e1n\u00edm provozn\u00edho stavu hydraulick\u00e9ho stroje, sledov\u00e1n\u00edm tlakom\u011bru a tlakov\u00e9ho rel\u00e9, sn\u00edma\u010de polohy atd. m\u016f\u017eete ur\u010dit, zda hydraulick\u00e1 sou\u010d\u00e1st funguje spolehliv\u011b nebo zda do\u0161lo k poru\u0161e.<\/p>\n\n\n\n

\u201ePoslouchejte\u201c: poslechem, jak hydraulick\u00fd syst\u00e9m a komponenty hydraulick\u00e9ho stroje pracuj\u00ed, kdy\u017e je zvuk abnorm\u00e1ln\u00ed, abyste zjistili, zda p\u0159\u00edslu\u0161n\u00e9 hydraulick\u00e9 komponenty funguj\u00ed spr\u00e1vn\u011b, jako je vykl\u00e1d\u00e1n\u00ed v\u00e1lce, zda jsou vibrace a hluk hydraulick\u00e9ho syst\u00e9mu p\u0159\u00edli\u0161 velk\u00e9; zp\u011btn\u00fd ventil reverzace, n\u00e1raz je p\u0159\u00edli\u0161 velk\u00fd provoz olejov\u00e9ho \u010derpadla, zvuk je norm\u00e1ln\u00ed;<\/p>\n\n\n\n

\u201eTouch\u201c: dotykem pom\u00e1h\u00e1 diagnostikovat, zda komponenty a syst\u00e9my funguj\u00ed spr\u00e1vn\u011b.<\/p>\n\n\n\n

Existuje sice mnoho metod diagnostiky selh\u00e1n\u00ed hydraulick\u00e9ho stroje, ale ur\u010dit\u00e1 \u2013 metoda diagnostiky je tak\u00e9 pom\u011brn\u011b nedosta\u010duj\u00edc\u00ed, tak\u017ee p\u0159i pou\u017eit\u00ed t\u011bchto metod by m\u011blo j\u00edt o komplexn\u00ed aplikaci technologie p\u0159eru\u0161en\u00ed hydraulick\u00e9ho selh\u00e1n\u00ed stroje, sou\u010dasn\u011b s pomoc\u00ed v\u011bdeck\u00fdch p\u0159\u00edstroj\u016f, abyste mohli v\u011bdecky, p\u0159esn\u011b, ekonomicky a rychle naj\u00edt d\u00edly selh\u00e1n\u00ed hydraulick\u00e9ho stroje co nejd\u0159\u00edve, aby hydraulick\u00fd stroj fungoval spr\u00e1vn\u011b.<\/p>","protected":false},"excerpt":{"rendered":"

Kdy\u017e pro va\u0161i spole\u010dnost funguje hydraulick\u00fd lis v\u00edce ne\u017e deset let, m\u011bli byste nyn\u00ed upgradovat st\u00e1vaj\u00edc\u00ed lis nebo jej vym\u011bnit? <\/p>","protected":false},"author":1,"featured_media":13296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[647,233,648],"class_list":["post-1690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hydraulic-press","tag-hydraulic-press-electrical-component","tag-hydraulic-press-machine","tag-press-machine"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/avido.cn\/wp-content\/uploads\/2021\/03\/Extend-the-life-of-a-hydraulic-press-or-replace-it.jpg","_links":{"self":[{"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/posts\/1690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/comments?post=1690"}],"version-history":[{"count":0,"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/posts\/1690\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/media\/13296"}],"wp:attachment":[{"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/media?parent=1690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/categories?post=1690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/avido.cn\/cs\/wp-json\/wp\/v2\/tags?post=1690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}