{"id":1946,"date":"2021-03-25T09:32:55","date_gmt":"2021-03-25T09:32:55","guid":{"rendered":"https:\/\/hqeialdi5a.wpdns.site\/?p=1946"},"modified":"2021-08-04T14:48:01","modified_gmt":"2021-08-04T14:48:01","slug":"what-is-the-two-cylinder-four-column-hydraulic-press","status":"publish","type":"post","link":"https:\/\/www.yaiwo.com\/cs\/what-is-the-two-cylinder-four-column-hydraulic-press\/","title":{"rendered":"Co je dvouv\u00e1lcov\u00fd \u010dty\u0159sloupov\u00fd hydraulick\u00fd lis?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Princip a vlastnosti dvouv\u00e1lcov\u00e9ho \u010dty\u0159sloupov\u00e9ho hydraulick\u00e9ho lisu? kolik toho v\u00ed\u0161? V dne\u0161n\u00ed dob\u011b je v\u011bt\u0161ina \u010dty\u0159sloupov\u00fdch hydraulick\u00fdch lis\u016f na trhu jednov\u00e1lcov\u00fdch. Mnoho u\u017eivatel\u016f nev\u00ed mnoho o principu pr\u00e1ce dvouv\u00e1lcov\u00e9ho \u010dty\u0159sloupov\u00e9ho hydraulick\u00e9ho lisu a jak se li\u0161\u00ed od jednov\u00e1lcov\u00e9ho \u010dty\u0159sloupov\u00e9ho hydraulick\u00e9ho lisu a tak d\u00e1le. Dva hydraulick\u00e9 v\u00e1lce dvouv\u00e1lcov\u00e9ho \u010dty\u0159sloupov\u00e9ho hydraulick\u00e9ho lisu mus\u00ed dokon\u010dit automatick\u00e9 pracovn\u00ed cykly rychl\u00e9ho posuvu a rychl\u00e9ho zp\u011btn\u00e9ho pohybu. Okruh je syst\u00e9m z\u00e1sobov\u00e1n\u00ed olejem s dvojit\u00fdmi \u010derpadly. Jedno \u010derpadlo je n\u00edzkotlak\u00e9 vysokopr\u016ftokov\u00e9 \u010derpadlo, kter\u00e9 dod\u00e1v\u00e1 n\u00edzkotlak\u00fd olej pro dvouv\u00e1lcov\u00e9 rychl\u00e9 p\u0159ev\u00edjen\u00ed vp\u0159ed nebo vzad. Jedn\u00edm je vysokotlak\u00e9 malopr\u016ftokov\u00e9 \u010derpadlo, kter\u00e9 dod\u00e1v\u00e1 vysokotlak\u00fd olej pot\u0159ebn\u00fd pro pracovn\u00ed posuv dvou v\u00e1lc\u016f. Jejich tlaky jsou v\u0161ak v\u0161echny regulov\u00e1ny p\u0159epou\u0161t\u011bc\u00edmi ventily.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-a-hydraulic-press-the-low-speed-stability-of-throttling-speed-regulation-is-better\">1) Hydraulick\u00fd lis, stabilita p\u0159i n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch regulace rychlosti \u0161krcen\u00ed je lep\u0161\u00ed.<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"800\" height=\"528\" src=\"https:\/\/www.yaiwo.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72471-1.jpg\" alt=\"\" class=\"wd-lazy-fade wp-image-1952\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72471-1.jpg 800w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72471-1-600x396.jpg 600w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72471-1-150x99.jpg 150w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72471-1-300x198.jpg 300w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72471-1-768x507.jpg 768w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72471-1-700x462.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li> \u00da\u010dinnost syst\u00e9mu je n\u00edzk\u00e1, tak\u017ee je vhodn\u00fd pouze pro p\u0159\u00edle\u017eitosti s mal\u00fdm v\u00fdkonem; zat\u00edmco n\u00edzk\u00e1 rychlost <a href=\"https:\/\/www.yaiwo.com\/cs\/the-essential-guide-of-hydraulic-press-machine\/\">stabilita<\/a> objemov\u00e1 regulace rychlosti nen\u00ed dobr\u00e1, ale \u00fa\u010dinnost je vysok\u00e1. <\/li><li>Kombinac\u00ed t\u011bchto dvou m\u016f\u017eete z\u00edskat ide\u00e1ln\u011bj\u0161\u00ed kombinovanou smy\u010dku regulace rychlosti s omezen\u00edm hlasitosti. Proces nastaven\u00ed rychlosti tohoto okruhu je: nejprve pou\u017eijte regula\u010dn\u00ed ventil rychlosti k nastaven\u00ed rychlosti<a href=\"https:\/\/www.youtube.com\/watch?v=eTwAW4h0le0\" target=\"_blank\" rel=\"noopener\"> hydraulick\u00e9<\/a> v\u00e1lec, co\u017e je nastaven\u00ed rychlosti \u0161krtic\u00ed klapky, co\u017e m\u00e1 v\u00fdhody nastaven\u00ed rychlosti \u0161krcen\u00ed; a pot\u00e9 upravte pr\u016ftok hydraulick\u00e9ho \u010derpadla na pr\u016ftok po\u017eadovan\u00fd hydraulick\u00fdm v\u00e1lcem. <\/li><li>To znamen\u00e1, \u017ee m\u016f\u017ee pouze zajistit konstantn\u00ed tlak p\u0159ed regula\u010dn\u00edm ventilem ot\u00e1\u010dek, \u010d\u00edm\u017e se syst\u00e9m dostane do stavu s men\u0161\u00edmi ztr\u00e1tami a z\u00edsk\u00e1 v\u00fdhody objemov\u00e9 regulace ot\u00e1\u010dek.<\/li><li>Poka\u017ed\u00e9, kdy\u017e nastavujete regula\u010dn\u00ed ventil rychlosti, mus\u00edte nastavit variabiln\u00ed \u010derpadlo, aby sed\u011blo. Pokud je pou\u017eito variabiln\u00ed \u010derpadlo omezuj\u00edc\u00ed tlak, m\u016f\u017ee b\u00fdt automaticky nastaveno p\u0159i zm\u011bn\u011b zat\u00ed\u017een\u00ed a v\u00fdstupn\u00ed pr\u016ftok hydraulick\u00e9ho \u010derpadla hydraulick\u00e9ho lisu se m\u016f\u017ee rovnat pr\u016ftoku hydraulick\u00e9ho v\u00e1lce. <\/li><li>Tuhost rychlosti, plynulost pohybu, nosnost a rozsah nastaven\u00ed rychlosti tohoto obvodu jsou stejn\u00e9 jako u obvodu ovl\u00e1d\u00e1n\u00ed rychlosti \u0161krt\u00edc\u00edho ventilu rychlosti.<img decoding=\"async\" width=\"553\" height=\"417\" src=\"\" alt=\"\" title=\"\"><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-the-volume-throttling-speed-control-circuit-of-the-differential-pressure-variable-pump-and-the-throttle-valve\">2) Obvod regulace ot\u00e1\u010dek objemov\u00e9ho \u0161krcen\u00ed \u010derpadla s prom\u011bnn\u00fdm diferen\u010dn\u00edm tlakem a \u0161krtic\u00ed klapky. <\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"800\" height=\"528\" src=\"https:\/\/www.yaiwo.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72472-1.jpg\" alt=\"\" class=\"wd-lazy-fade wp-image-1953\" title=\"\" srcset=\"\" data-srcset=\"https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72472-1.jpg 800w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72472-1-600x396.jpg 600w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72472-1-150x99.jpg 150w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72472-1-300x198.jpg 300w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72472-1-768x507.jpg 768w, https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u56fe\u72472-1-700x462.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>V tomto okruhu je v\u00fdstupn\u00ed pr\u016ftok hydraulick\u00e9ho \u010derpadla pr\u016ftok po\u017eadovan\u00fd \u0161krtic\u00ed klapkou a nedoch\u00e1z\u00ed k \u017e\u00e1dn\u00e9 ztr\u00e1t\u011b p\u0159ete\u010den\u00edm; tlakov\u00fd rozd\u00edl p\u0159ed a po dosa\u017een\u00ed \u0161krtic\u00ed klapky je tlakov\u00fd v\u00fdstup hydraulick\u00e9ho \u010derpadla. <\/li><li>P\u0159i zm\u011bn\u011b z\u00e1t\u011b\u017ee se m\u011bn\u00ed i v\u00fdstupn\u00ed pr\u016ftok hydraulick\u00e9ho \u010derpadla, p\u0159i\u010dem\u017e tlakov\u00fd rozd\u00edl p\u0159ed a za \u0161krtic\u00ed klapkou z\u016fst\u00e1v\u00e1 konstantn\u00ed, co\u017e zp\u016fsob\u00ed, \u017ee se pr\u016ftok hydraulick\u00e9ho \u010derpadla vr\u00e1t\u00ed na p\u016fvodn\u00ed hodnotu. <\/li><li>Pr\u016ftok nen\u00ed ovlivn\u011bn zm\u011bnou zat\u00ed\u017een\u00ed a m\u00e1 dobrou rychlostn\u00ed tuhost. Je vhodn\u00fd pro mal\u00e9 a st\u0159edn\u011b v\u00fdkonn\u00e9 p\u0159\u00edle\u017eitosti s velk\u00fdmi zm\u011bnami zat\u00ed\u017een\u00ed a n\u00edzkou rychlost\u00ed.<\/li><li>Kdy\u017e za\u010dne pracovat, je sou\u010dasn\u011b aktivov\u00e1n elektromagnetick\u00fd ventil a v\u00fdstup tlakov\u00e9ho oleje z hydraulick\u00e9ho \u010derpadla 2 vstupuje do lev\u00e9 dutiny hydraulick\u00e9ho v\u00e1lce p\u0159es jednocestn\u00e9 ventily 6 a 8. V tomto okam\u017eiku se oba \u010derpadla sou\u010dasn\u011b dod\u00e1vaj\u00ed olej, aby se ka\u017ed\u00fd p\u00edst pohyboval rychle dop\u0159edu. <\/li><li>Kdy\u017e je tlak pod tlakem, zdvihov\u00fd ventil 15 A po 16 se p\u0159evede rychl\u00fdm posunem vp\u0159ed.<img decoding=\"async\" width=\"553\" height=\"369\" src=\"\" alt=\"\" title=\"\"><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fd\u0161e uveden\u00e9 je sezn\u00e1men\u00ed s principem pr\u00e1ce a charakteristikami dvouv\u00e1lcov\u00e9ho \u010dty\u0159sloupov\u00e9ho hydraulick\u00e9ho lisu. Douf\u00e1m, \u017ee to po p\u0159e\u010dten\u00ed ka\u017ed\u00fd pochop\u00ed l\u00e9pe.<\/p>","protected":false},"excerpt":{"rendered":"<p>The working principle and characteristics of a two-cylinder four-column hydraulic press? How much do you know? Nowadays, most four-column hydraulic<\/p>","protected":false},"author":4,"featured_media":1950,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[906,547,907],"class_list":["post-1946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hydraulic-press","tag-a-hydraulic-press","tag-four-column-hydraulic-press","tag-two-cylinder-four-column-hydraulic-press"],"jetpack_featured_media_url":"https:\/\/www.yaiwo.com\/wp-content\/uploads\/2021\/03\/\u5fae\u4fe1\u56fe\u7247_20210325171307.jpg","_links":{"self":[{"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/posts\/1946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/comments?post=1946"}],"version-history":[{"count":0,"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/posts\/1946\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/media\/1950"}],"wp:attachment":[{"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/media?parent=1946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/categories?post=1946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yaiwo.com\/cs\/wp-json\/wp\/v2\/tags?post=1946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}