{"id":736,"date":"2020-07-20T09:40:25","date_gmt":"2020-07-20T09:40:25","guid":{"rendered":"https:\/\/hqeialdi5a.wpdns.site\/?p=736"},"modified":"2021-08-04T14:49:37","modified_gmt":"2021-08-04T14:49:37","slug":"pressing-force-calculation-and-reasons-for-hydraulic-punch-machine-without-pressure","status":"publish","type":"post","link":"https:\/\/yaiwo.com\/cs\/pressing-force-calculation-and-reasons-for-hydraulic-punch-machine-without-pressure\/","title":{"rendered":"V\u00fdpo\u010det lisovac\u00ed s\u00edly a d\u016fvody pro hydraulick\u00fd d\u011brovac\u00ed stroj bez tlaku"},"content":{"rendered":"

Metoda v\u00fdpo\u010dtu tlaku hydraulick\u00e9ho lisu<\/a><\/h4>\n\n\n\n

Hydraulick\u00fd d\u011brovac\u00ed stroj, v\u00edte, jak vypo\u010d\u00edtat pr\u016fm\u011br jeho vyhazovac\u00edho v\u00e1lce? Pot\u0159eba pou\u017e\u00edt 10 tun vyhazovac\u00ed s\u00edly.<\/p>\n\n\n\n

V\u00fdtla\u010dn\u00fd tlak jednoramenn\u00e9ho hydraulick\u00e9ho d\u011brova\u010de olejov\u00e9ho v\u00e1lce (kg) = plocha olejov\u00e9ho v\u00e1lce (centimetr \u010dtvere\u010dn\u00ed) \u00d7 tlak jednoramenn\u00e9ho hydraulick\u00e9ho lisu na jednotku plochy (kg\/centimetr \u010dtvere\u010dn\u00ed) Sada:<\/p>\n\n\n\n

Tlak jednoramenn\u00e9ho hydraulick\u00e9ho d\u011brova\u010de je 10T=10000Kg, tlak jednoramenn\u00e9ho hydraulick\u00e9ho lisu je 160Kg\/cm2<\/p>\n\n\n\n

Plocha v\u00e1lce=10000\/160=62,5(\u010dtvere\u010dn\u00ed centimetr) Pr\u016fm\u011br v\u00e1lce=9cm=90mm<\/p>\n\n\n\n

\u010cast\u011bji pou\u017e\u00edvan\u00e9 v\u00fdpo\u010dtov\u00e9 vzorce pro \u010derpadla hydraulick\u00fdch d\u011brovac\u00edch stroj\u016f v hydraulick\u00fdch v\u00fdpo\u010dtech<\/p>\n\n\n\n

Pokud se jedn\u00e1 o plun\u017erov\u00fd v\u00e1lec, jednoramenn\u00fd hydraulick\u00fd tlak v\u00e1lce je plocha pr\u016f\u0159ezu plun\u017eru vyn\u00e1soben\u00e1 tlakem syst\u00e9mu hydraulick\u00e9ho d\u011brovac\u00edho stroje; pro p\u00edstov\u00fd v\u00e1lec je to vnit\u0159n\u00ed pr\u016fm\u011br hydraulick\u00e9ho v\u00e1lce vyn\u00e1soben\u00fd tlakem syst\u00e9mu hydraulick\u00e9ho d\u011brovac\u00edho stroje. Jednotka pr\u016fm\u011bru je cm a jednotka tlaku je kilogram-s\u00edla na centimetr \u010dtvere\u010dn\u00ed, vypo\u010d\u00edtan\u00fd v\u00fdsledek je kilogramy, d\u011bleno tis\u00edci tunami je tuna, lze ji vypo\u010d\u00edtat na z\u00e1klad\u011b znalosti plochy pr\u016f\u0159ezu v\u00e1lce a tlaku v syst\u00e9mu. Celkov\u00fd v\u00fdkon = pr\u016f\u0159ezov\u00e1 plocha * tlakov\u00fd tlak oleje (kg\/cm2) X plocha v\u00e1lce (3.14XR2) = jednoramenn\u00fd hydraulick\u00fd tlak<\/p>\n\n\n\n

Tlak jednoramenn\u00e9ho hydraulick\u00e9ho d\u011brova\u010de nem\u016f\u017ee vytvo\u0159it nulov\u00fd proudov\u00fd odpor. Mohou vytvo\u0159it n\u00e1sleduj\u00edc\u00ed podm\u00ednky:<\/p>\n\n\n\n

zat\u00ed\u017een\u00ed jednoramenn\u00e9ho hydraulick\u00e9ho d\u011brovac\u00edho stroje tlak<\/p>\n\n\n\n

Jednoramenn\u00fd hydraulick\u00fd tlak (bar) = hmotnost (kg): plocha (cm2)<\/p>\n\n\n\n

Jednoramenn\u00fd hydraulick\u00fd tlak generovan\u00fd pru\u017einov\u00fdm ventilem<\/p>\n\n\n\n

Jednoramenn\u00fd hydraulick\u00fd tlak generovan\u00fd omezen\u00edm pr\u016ftoku<\/p>\n\n\n\n

Jednoramenn\u00fd hydraulick\u00fd tlak generovan\u00fd hlavou kapaliny<\/p>\n\n\n\n

Jednoramenn\u00fd tlak hydraulick\u00e9ho lisu = hmotnost: plocha<\/p>\n\n\n\n

Hmotnost = objem \u00d7 hustota<\/p>\n\n\n\n

Objem = v\u00fd\u0161ka \u00d7 plocha<\/p>\n\n\n\n

\u3000\u3000 Jednoramenn\u00fd hydraulick\u00fd d\u011brovac\u00ed lis<\/a> tlak stroje = v\u00fd\u0161ka \u00d7 hustota<\/p>\n\n\n\n

Co je d\u016fvodem slabosti hydraulick\u00e9ho d\u011brovac\u00edho stroje<\/h4>\n\n\n\n

Hydraulick\u00fd stroj je stroj, kter\u00fd vyu\u017e\u00edv\u00e1 kapalinu jako pracovn\u00ed m\u00e9dium a je vyroben podle Pascalova principu k p\u0159enosu energie k realizaci r\u016fzn\u00fdch proces\u016f. Hydraulick\u00fd lis se obecn\u011b skl\u00e1d\u00e1 ze stroje (hostitele), energetick\u00e9ho syst\u00e9mu a hydraulick\u00e9ho \u0159\u00eddic\u00edho syst\u00e9mu.<\/p>\n\n\n\n

D\u016fvody slabosti hydraulick\u00e9ho d\u011brovac\u00edho stroje jsou n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n

1) Hladina oleje v n\u00e1dr\u017ei hydraulick\u00e9ho oleje je p\u0159\u00edli\u0161 n\u00edzk\u00e1<\/p>\n\n\n\n

2) Hydraulick\u00fd olej se nepou\u017e\u00edv\u00e1 podle ro\u010dn\u00edho obdob\u00ed<\/p>\n\n\n\n

3) P\u0159\u00edvodn\u00ed potrub\u00ed oleje je v\u00e1\u017en\u011b ucpan\u00e9 ne\u010distotami;<\/p>\n\n\n\n

4) Olejov\u00e9 t\u011bsn\u011bn\u00ed hnac\u00edho kola olejov\u00e9ho \u010derpadla je po\u0161kozen\u00e9 a do syst\u00e9mu hydraulick\u00e9ho d\u011brovac\u00edho stroje se dost\u00e1v\u00e1 vzduch;<\/p>\n\n\n\n

5) Klouby vstupn\u00edho a v\u00fdstupn\u00edho olejov\u00e9ho otvoru olejov\u00e9ho \u010derpadla nebo \u201eO\u201c t\u011bsn\u011bn\u00ed kolenov\u00e9ho kloubu jsou po\u0161kozeny, upev\u0148ovac\u00ed \u0161rouby kolenn\u00edho kloubu nebo matice vstupn\u00ed a v\u00fdstupn\u00ed trubky nejsou dota\u017eeny a do syst\u00e9mu hydraulick\u00e9ho d\u011brovac\u00edho stroje se dost\u00e1v\u00e1 vzduch;<\/p>\n\n\n\n

6) Vnit\u0159n\u00ed net\u011bsnost olejov\u00e9ho \u010derpadla a st\u00e1rnut\u00ed t\u011bsnic\u00edho krou\u017eku;:<\/p>\n\n\n\n

7) Koncov\u00e1 plocha olejov\u00e9ho \u010derpadla nebo koncov\u00e1 plocha pouzder h\u0159\u00eddele hlavn\u00edho a hnan\u00e9ho kola jsou opot\u0159eben\u00e1 nebo po\u0161kr\u00e1ban\u00e1 a nerovnost koncov\u00fdch ploch obou pouzder h\u0159\u00eddele je mimo toleranci;:<\/p>\n\n\n\n

8) Vnit\u0159n\u00ed net\u011bsnost zp\u016fsoben\u00e1 nespr\u00e1vnou mont\u00e1\u017e\u00ed vnit\u0159n\u00edch \u010d\u00e1st\u00ed olejov\u00e9ho \u010derpadla;<\/p>\n\n\n\n

9) \u201eLev\u00e1\u201c instalace \u201epravoruk\u00e9ho\u201c olejov\u00e9ho \u010derpadla, kter\u00e1 zp\u016fsobuje po\u0161kozen\u00ed kostry olejov\u00e9ho t\u011bsn\u011bn\u00ed;<\/p>\n\n\n\n

10) Olej hydraulick\u00e9ho d\u011brovac\u00edho stroje je p\u0159\u00edli\u0161 zne\u010di\u0161t\u011bn\u00fd.<\/p>\n\n\n\n

M\u016f\u017eete zkontrolovat hydraulick\u00fd d\u011brovac\u00ed stroj, abyste zjistili, kde je probl\u00e9m, a pot\u00e9 jej vym\u011b\u0148te nebo vy\u010dist\u011bte.<\/p>","protected":false},"excerpt":{"rendered":"

Pressure calculation method of hydraulic press Hydraulic punch machine,do you knowhow to calculate the diameter of the ejector cylinder of<\/p>","protected":false},"author":4,"featured_media":739,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[260,261,235],"class_list":["post-736","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hydraulic-press","tag-calculation-formulas","tag-hydraulic-machine","tag-hydraulic-punch-machine"],"jetpack_featured_media_url":"https:\/\/yaiwo.com\/wp-content\/uploads\/2020\/07\/7760744e604829e821451f9e9e6.jpg","_links":{"self":[{"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/posts\/736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/comments?post=736"}],"version-history":[{"count":0,"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/posts\/736\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/media\/739"}],"wp:attachment":[{"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/media?parent=736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/categories?post=736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yaiwo.com\/cs\/wp-json\/wp\/v2\/tags?post=736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}