{"id":13492,"date":"2021-08-17T03:44:44","date_gmt":"2021-08-17T03:44:44","guid":{"rendered":"https:\/\/pj4iaixa9m.wpdns.site\/?p=13492"},"modified":"2021-08-17T03:44:47","modified_gmt":"2021-08-17T03:44:47","slug":"how-to-choose-a-right-power-press","status":"publish","type":"post","link":"https:\/\/harslepress.com\/cs\/how-to-choose-a-right-power-press\/","title":{"rendered":"Jak vybrat spr\u00e1vn\u00fd vyp\u00edna\u010d Stiskn\u011bte"},"content":{"rendered":"<p class=\"yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__icon\"><\/span><span class=\"yoast-reading-time__descriptive-text\">P\u0159edpokl\u00e1dan\u00e1 doba \u010dten\u00ed:  <\/span><span class=\"yoast-reading-time__reading-time\">8<\/span><span class=\"yoast-reading-time__time-unit\"> minuta<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-choice-of-press-type\">Volba typu lisu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00e9 pro zpracov\u00e1n\u00ed lisov\u00e1n\u00edm zahrnuje p\u0159edev\u0161\u00edm <a href=\"https:\/\/harslepress.com\/cs\/produkt\/aluminum-foil-machine-j23-80t-mechanical-punching-machine\/\">obecn\u00fd tisk<\/a>, speci\u00e1ln\u00ed tisk a <a href=\"https:\/\/forming.harsle.com\/product\/100-ton-hydraulic-ball-joint-removal-tool-deep-drawing\/\" target=\"_blank\" rel=\"noopener\">hydraulick\u00fd lis<\/a>, atd. Volba typu lisu z\u00e1vis\u00ed p\u0159edev\u0161\u00edm na po\u017eadavc\u00edch procesu lisov\u00e1n\u00ed d\u00edl\u016f a v\u00fdrobn\u00ed \u0161ar\u017ei, obecn\u011b by se m\u011bla \u0159\u00eddit n\u00e1sleduj\u00edc\u00edmi z\u00e1sadami.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro mal\u00e9 a st\u0159edn\u00ed tvarov\u00e9 v\u00fdsekov\u00e9 d\u00edly, v\u00fdkresov\u00e9 d\u00edly a oh\u00fdban\u00e9 d\u00edly je hlavn\u00ed volbou otev\u0159en\u00fd gener\u00e1ln\u00ed lis.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuhost t\u011bla otev\u0159en\u00e9ho lisu je \u0161patn\u00e1 a je snadn\u00e9 vytvo\u0159it deformaci p\u016fsoben\u00edm d\u011brovac\u00edho tlaku, co\u017e ovliv\u0148uje kvalitu zat\u00ed\u017een\u00ed d\u011brov\u00e1n\u00edm, ale pokud je vhodn\u011b zvolena kapacita d\u011brov\u00e1n\u00ed, je kompetentn\u00ed. A pohodln\u011bj\u0161\u00ed pou\u017eit\u00ed, snadn\u00e9 ovl\u00e1d\u00e1n\u00ed, snadn\u00e9 dosa\u017een\u00ed mechanizace a automatick\u00e9 v\u00fdroby. Proto mal\u00fd a st\u0159edn\u00ed tvar a p\u0159esnost lisovac\u00edch d\u00edl\u016f nejsou velk\u00fdm vyu\u017eit\u00edm tohoto typu otev\u0159en\u00e9ho lisu.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro velk\u00e9 a st\u0159edn\u00ed tvary a vysoce p\u0159esn\u00e9 lisovan\u00e9 d\u00edly by m\u011bl b\u00fdt vybr\u00e1n univerz\u00e1ln\u00ed lis s rovnou stranou a lep\u0161\u00ed tuhost\u00ed.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Podle velikosti lisovac\u00edch d\u00edl\u016f si m\u016f\u017eete vybrat dvoubodov\u00fd, \u010dty\u0159bodov\u00fd lis.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro tvar slo\u017eit\u011bj\u0161\u00edch mal\u00fdch a st\u0159edn\u00edch tvar\u016f hromadn\u00e9 v\u00fdroby lisovac\u00edch d\u00edl\u016f je t\u0159eba zvolit vysoce \u00fa\u010dinn\u00fd lis nebo automatick\u00fd lis.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro v\u00fdrobu velk\u00fdch d\u00edl\u016f pro lisov\u00e1n\u00ed plech\u016f s mal\u00fdmi d\u00e1vkami by m\u011bl b\u00fdt zvolen hydraulick\u00fd lis.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159esto\u017ee je rychlost v\u00fdroby hydraulick\u00e9ho lisu pomal\u00e1, \u00fa\u010dinnost je n\u00edzk\u00e1, rozm\u011brov\u00e1 p\u0159esnost d\u00edl\u016f je ovlivn\u011bna provozem, ale tlak je velk\u00fd a nebude p\u0159et\u00ed\u017een kv\u016fli tlou\u0161\u0165ce desky, co\u017e je vhodn\u00e9 pro v\u00fdrobu tlust\u00fdch plech\u016f.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro p\u0159esn\u00e9 st\u0159\u00edh\u00e1n\u00ed d\u00edl\u016f je nejlep\u0161\u00ed to ud\u011blat na speci\u00e1ln\u00edm lisu pro jemn\u00e9 st\u0159\u00edh\u00e1n\u00ed.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud v\u00fdrobn\u00ed d\u00e1vka nen\u00ed velk\u00e1, lze lisovac\u00ed za\u0159\u00edzen\u00ed a protitlakov\u00e9 za\u0159\u00edzen\u00ed p\u0159idat ke gener\u00e1ln\u00edmu lisu nebo hydraulick\u00e9mu lisu, aby se provedlo p\u0159esn\u00e9 st\u0159\u00edh\u00e1n\u00ed.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>U velk\u00fdch ta\u017en\u00fdch d\u00edl\u016f zvolit horn\u00ed pohon uzav\u0159en\u00e9ho dvoj\u010dinn\u00e9ho hlubokota\u017en\u00e9ho lisu; Pro mal\u00e9 a st\u0159edn\u011b velk\u00e9 hlubokota\u017en\u00e9 d\u00edly se \u010dasto pou\u017e\u00edv\u00e1 spodn\u00ed pohon dvou\u010dinn\u00fd hlubokota\u017en\u00fd lis; T\u0159\u00ed\u010dinn\u00fd lis lze pou\u017e\u00edt pro velk\u00e9 slo\u017eit\u00e9 v\u00fdkresov\u00e9 d\u00edly.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro korekci oh\u00fdb\u00e1n\u00ed, tvarov\u00e1n\u00ed, lisov\u00e1n\u00ed a dal\u0161\u00edch proces\u016f se vy\u017eaduje, aby lis m\u011bl dostate\u010dnou tuhost, m\u011bl by b\u00fdt preferov\u00e1n v\u00fdb\u011br jemn\u00e9ho lisu, aby se z\u00edskala vy\u0161\u0161\u00ed rozm\u011brov\u00e1 p\u0159esnost lisovan\u00e9ho d\u00edlu; Pokud v\u00fdrobn\u00ed d\u00e1vka nen\u00ed velk\u00e1, lze pou\u017e\u00edt t\u0159ec\u00ed lis.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro st\u0159\u00edh\u00e1n\u00ed plech\u016f by m\u011bl b\u00fdt zvolen lis s vysokou p\u0159esnost\u00ed a tuhost\u00ed.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Viz Tabulka 1-1 pro mapov\u00e1n\u00ed mezi typem lisov\u00e1n\u00ed a v\u00fdb\u011brem lisovac\u00edho za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Typ ra\u017een\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">zatemn\u011bn\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">oh\u00fdb\u00e1n\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">Jednoduch\u00e1 kresba<\/td><td class=\"has-text-align-center\" data-align=\"center\">Komplexn\u00ed hlubok\u00e1 kresba<\/td><td class=\"has-text-align-center\" data-align=\"center\">Plastov\u00e1 nivelace<\/td><td class=\"has-text-align-center\" data-align=\"center\">Trojrozm\u011brn\u00e9 lisov\u00e1n\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Lisovac\u00ed za\u0159\u00edzen\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Univerz\u00e1ln\u00ed lis s mal\u00fdm zdvihem<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Univerz\u00e1ln\u00ed lis se st\u0159edn\u00edm zdvihem<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Univerz\u00e1ln\u00ed lis s velk\u00fdm zdvihem<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Dvoj\u010dinn\u00fd lis pro hlubok\u00e9 ta\u017een\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Vysokorychlostn\u00ed automatick\u00fd lis<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">T\u0159ec\u00ed lis<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u039f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00d7<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u221a<\/td><\/tr><\/tbody><\/table><figcaption><br>Tabulka 1-1 Mapovac\u00ed tabulka typu lisov\u00e1n\u00ed a v\u00fdb\u011bru lisovac\u00edho za\u0159\u00edzen\u00ed <br>Pozn\u00e1mka: V tabulce \u221a znamen\u00e1 pou\u017eiteln\u00e9, \u039f znamen\u00e1 p\u0159ijateln\u00e9 a \u00d7 znamen\u00e1 nepou\u017eiteln\u00e9.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-power-press-selection-of-specifications\">Power Press V\u00fdb\u011br specifikac\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdb\u011br Power Press by m\u011bl b\u00fdt zalo\u017een na velikosti deforma\u010dn\u00ed s\u00edly, velikosti lisovan\u00e9 \u010d\u00e1sti a velikosti matrice, aby bylo mo\u017en\u00e9 ur\u010dit specifikace za\u0159\u00edzen\u00ed. Konkr\u00e9tn\u011b je t\u0159eba p\u0159i v\u00fdb\u011bru lisu pro dokon\u010den\u00ed ur\u010dit\u00e9ho procesu vz\u00edt v \u00favahu n\u00e1sleduj\u00edc\u00ed hlavn\u00ed technick\u00e9 parametry.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-determination-of-nominal-pressure\">Stanoven\u00ed jmenovit\u00e9ho tlaku<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e1razov\u00e1 s\u00edla p\u0159i skluzu lisu je tlak lisu. Tlak se m\u011bn\u00ed s polohou posuvu jezdce, to znamen\u00e1 s \u00fahlem nato\u010den\u00ed kliky, jak je zn\u00e1zorn\u011bno na k\u0159ivce 1 na obr. 1-1.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-1_Allowable-Pressure-Curve-of-A-Press.png\" alt=\"Obr. 1-1 K\u0159ivka povolen\u00e9ho tlaku lisu A. Obr\" class=\"wd-lazy-fade wp-image-13489\" width=\"340\" height=\"227\" title=\"Obr. 1-1 K\u0159ivka povolen\u00e9ho tlaku lisu A. Obr\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-1_Allowable-Pressure-Curve-of-A-Press.png 972w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-1_Allowable-Pressure-Curve-of-A-Press-300x200.png 300w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-1_Allowable-Pressure-Curve-of-A-Press-768x512.png 768w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-1_Allowable-Pressure-Curve-of-A-Press-18x12.png 18w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-1_Allowable-Pressure-Curve-of-A-Press-150x100.png 150w\" sizes=\"(max-width: 340px) 100vw, 340px\" \/><figcaption>Obr. 1-1 K\u0159ivka povolen\u00e9ho tlaku lisu A. Obr <br>1 \u2014 P\u0159\u00edpustn\u00e1 tlakov\u00e1 k\u0159ivka lisu; 2 \u2014 K\u0159ivka skute\u010dn\u00e9 zm\u011bny zaslepovac\u00ed s\u00edly; 3 \u2014 Proces kreslen\u00ed k\u0159ivka skute\u010dn\u00e9 zm\u011bny s\u00edly kreslen\u00ed<\/figcaption><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-nominal-pressure-of-the-press\">Nomin\u00e1ln\u00ed tlak tisku<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Jmenovit\u00fd tlak lisu se t\u00fdk\u00e1 maxim\u00e1ln\u00edho povolen\u00e9ho pracovn\u00edho tlaku na jezdci, kdy\u017e je klika lisu oto\u010dena do ur\u010dit\u00e9ho \u00fahlu (naz\u00fdvan\u00e9ho jmenovit\u00fd tlakov\u00fd \u00fahel, p\u0159ibli\u017en\u011b rovn\u00fd 20\u00b0 ~ 30\u00b0) p\u0159ed BDC. Velikost jmenovit\u00e9ho tlaku ud\u00e1v\u00e1 velikost r\u00e1zu, kter\u00e9mu lis samotn\u00fd vydr\u017e\u00ed. Pevnost a tuhost lisu je dimenzov\u00e1na na jmenovit\u00fd tlak.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-the-relationship-between-the-nominal-pressure-of-the-press-and-the-actual-required-punching-pressure\">Vztah mezi jmenovit\u00fdm tlakem lisu a skute\u010dn\u00fdm po\u017eadovan\u00fdm lisovac\u00edm tlakem<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Proces ra\u017een\u00ed ve velikosti r\u00e1zov\u00e9ho tlaku je tak\u00e9 s pojezdem a zm\u011bnou razn\u00edku (nebo jezdce lisu). Na obr. 1-1 p\u0159edstavuj\u00ed k\u0159ivky 2 a 3 skute\u010dn\u00e9 k\u0159ivky d\u011brovac\u00edho tlaku p\u0159i vysek\u00e1v\u00e1n\u00ed a ta\u017een\u00ed. Z obr\u00e1zku je vid\u011bt, \u017ee dv\u011b skute\u010dn\u00e9 k\u0159ivky r\u00e1zov\u00e9ho tlaku nejsou synchronizovan\u00e9 s p\u0159\u00edpustnou k\u0159ivkou tlaku lisu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V procesu lisov\u00e1n\u00ed by m\u011bl b\u00fdt razn\u00edk v jak\u00e9koli poloze po\u017eadovan\u00e9 razn\u00edkem men\u0161\u00ed ne\u017e lis v t\u00e9to poloze. Jak je zn\u00e1zorn\u011bno na obr. 1-1, a\u010dkoli je maxim\u00e1ln\u00ed ta\u017en\u00e1 s\u00edla men\u0161\u00ed ne\u017e jmenovit\u00fd maxim\u00e1ln\u00ed tlak lisu, je v\u011bt\u0161\u00ed ne\u017e r\u00e1zov\u00fd tlak vytv\u00e1\u0159en\u00fd lisem, kdy\u017e je klika oto\u010dena do polohy maxim\u00e1ln\u00ed ta\u017en\u00e9 s\u00edly, to znamen\u00e1, \u017ee k\u0159ivka ta\u017en\u00e9ho tlaku nen\u00ed v r\u00e1mci povolen\u00e9 k\u0159ivky tlaku lisu. Proto by m\u011bl b\u00fdt vybr\u00e1n lis s v\u011bt\u0161\u00ed ton\u00e1\u017e\u00ed tlaku, ne\u017e je zn\u00e1zorn\u011bno na k\u0159ivce 1 na obr. 1-1. Proto, aby bylo zaji\u0161t\u011bno, \u017ee d\u011brovac\u00ed tlak je dostate\u010dn\u00fd, m\u011bla by b\u00fdt ton\u00e1\u017e lisu o 30% v\u011bt\u0161\u00ed ne\u017e vypo\u010d\u00edtan\u00fd d\u011brovac\u00ed tlak p\u0159i obecn\u00e9m vysek\u00e1v\u00e1n\u00ed a oh\u00fdb\u00e1n\u00ed. P\u0159i ta\u017een\u00ed by ton\u00e1\u017e lisu m\u011bla b\u00fdt o 60% ~ 100% v\u011bt\u0161\u00ed ne\u017e vypo\u010dten\u00e1 ta\u017en\u00e1 s\u00edla.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-power-press-selection-of-slider-stroke-length\">Power Press V\u00fdb\u011br d\u00e9lky zdvihu posuvn\u00edku<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9lka zdvihu jezdce se vztahuje na vzd\u00e1lenost, o kterou se klika ot\u00e1\u010d\u00ed kolem jezdce, a jej\u00ed hodnota je dvojn\u00e1sobkem polom\u011bru kliky. P\u0159i volb\u011b lisu by d\u00e9lka zdvihu jezdce m\u011bla zajistit hladk\u00e9 vkl\u00e1d\u00e1n\u00ed polotovaru do matrice a plynul\u00e9 vyj\u00edm\u00e1n\u00ed lisovac\u00edch d\u00edl\u016f z matrice. Zejm\u00e9na p\u0159i tv\u00e1\u0159en\u00ed d\u00edl\u016f pro hlubok\u00e9 ta\u017een\u00ed a oh\u00fdb\u00e1n\u00ed d\u00edl\u016f by d\u00e9lka pojezdu jezdce m\u011bla b\u00fdt v\u011bt\u0161\u00ed ne\u017e 2,5~3,0 n\u00e1sobek v\u00fd\u0161ky obrobku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-power-press-selection-of-travel-times\">Power Press V\u00fdb\u011br doby j\u00edzdy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u010det zdvih\u016f je po\u010det dopad\u016f posuvn\u00edku za minutu. Je t\u0159eba vz\u00edt v \u00favahu po\u017eadavky na deformaci materi\u00e1lu a produktivitu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-power-press-selection-of-countertop-size\">Power Press V\u00fdb\u011br velikosti pracovn\u00ed desky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9lka a \u0161\u00ed\u0159ka pracovn\u00edho stolu mus\u00ed b\u00fdt v\u011bt\u0161\u00ed ne\u017e velikost sedla matrice pod matric\u00ed a na ka\u017ed\u00e9 stran\u011b mus\u00ed b\u00fdt ponech\u00e1no 60~100 mm, aby se usnadnila instalace \u0161roub\u016f, podlo\u017eek a lisovac\u00edch desek pro upevn\u011bn\u00ed matrice. Kdy\u017e obrobek nebo odpad spadne, velikost \u010dela stolu mus\u00ed b\u00fdt v\u011bt\u0161\u00ed ne\u017e velikost rozpadaj\u00edc\u00edho se. U formy s pru\u017einov\u00fdm horn\u00edm za\u0159\u00edzen\u00edm by velikost \u010dela pracovn\u00edho stolu m\u011bla b\u00fdt v\u011bt\u0161\u00ed ne\u017e vn\u011bj\u0161\u00ed velikost spodn\u00edho pru\u017einov\u00e9ho horn\u00edho za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-determine-the-hole-size-of-the-slider-die-handle\">Ur\u010dete velikost otvoru rukojeti posuvn\u00e9 matrice<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u016fm\u011br otvoru rukojeti matrice by m\u011bl odpov\u00eddat pr\u016fm\u011bru rukojeti matrice a hloubka otvoru rukojeti matrice by m\u011bla b\u00fdt v\u011bt\u0161\u00ed ne\u017e d\u00e9lka rukojeti matrice.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-selection-of-the-closing-height\">V\u00fdb\u011br uzav\u00edrac\u00ed v\u00fd\u0161ky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uzav\u00edrac\u00ed v\u00fd\u0161ka lisu se vztahuje na vzd\u00e1lenost mezi spodn\u00ed plochou skluzn\u00e9ho bloku a povrchem pracovn\u00edho stolu (tj. rovinou pod podlo\u017ekou), kdy\u017e je posuvn\u00fd blok BDC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fd\u0161ku zav\u00edr\u00e1n\u00ed lisu lze v ur\u010dit\u00e9m rozsahu m\u011bnit \u00fapravou d\u00e9lky ojnice. P\u0159i nastaven\u00ed ojnice na nejkrat\u0161\u00ed (zdvih excentrick\u00e9ho lisu by m\u011bl b\u00fdt nastaven na minimum) je vzd\u00e1lenost mezi spodn\u00ed plochou kluzn\u00e9ho bloku a rovinou pracovn\u00edho stolu maxim\u00e1ln\u00ed uzav\u00edrac\u00ed v\u00fd\u0161kou lisu; Kdy\u017e je ojnice nastavena na maximum (maximum pro excentrick\u00fd zdvih lisu), je jezdec v BDC a vzd\u00e1lenost mezi spodn\u00ed plochou jezdce a povrchem pracovn\u00edho stolu je minim\u00e1ln\u00ed uzav\u00edrac\u00ed v\u00fd\u0161ka lisu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fd\u0161ka lisu je rozd\u00edl mezi uzav\u00edrac\u00ed v\u00fd\u0161kou lisu a tlou\u0161\u0165kou nosn\u00e9 desky. U lisu bez op\u011brn\u00e9 desky je v\u00fd\u0161ka dr\u017e\u00e1ku rovna v\u00fd\u0161ce uz\u00e1v\u011bru lisu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uzav\u00edrac\u00ed v\u00fd\u0161ka z\u00e1pustky je vzd\u00e1lenost mezi horn\u00ed rovinou sedla z\u00e1pustky a spodn\u00ed rovinou sedla z\u00e1pustky, kdy\u017e je z\u00e1pustka v nejni\u017e\u0161\u00ed pracovn\u00ed poloze.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Obr. 1-2 ukazuje vztah mezi v\u00fd\u0161kou matrice a v\u00fd\u0161kou lisu.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">H<sub>max<\/sub>\u00a0\u2013 5 mm \u2265 H + T \u2265 H<sub>min<\/sub>\u00a0+ 10 mm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve vzorci<br>H \u2014 v\u00fd\u0161ka uzav\u0159en\u00ed formy;<br>H<sub>max<\/sub>  \u2014 maxim\u00e1ln\u00ed uzav\u00edrac\u00ed v\u00fd\u0161ka lisu;<br>H<sub>min<\/sub>  \u2014 minim\u00e1ln\u00ed uzav\u00edrac\u00ed v\u00fd\u0161ka lisu;<br>T \u2013 Tlou\u0161\u0165ka nosn\u00e9 desky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Velikost pracovn\u00edho stolu by m\u011bla b\u00fdt o 60~100 mm (jedna strana) v\u011bt\u0161\u00ed ne\u017e spodn\u00ed sedlo formy, aby se usnadnila instalace. Otvor nosn\u00e9 desky by m\u011bl b\u00fdt v\u011bt\u0161\u00ed ne\u017e velikost vy\u010dn\u00edvaj\u00edc\u00edch \u010d\u00e1st\u00ed nebo odpadu, aby se usnadnil \u00fanik materi\u00e1lu.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/harslepress.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-2_Relationship-between-Mold-Installation-Size-and-Press.png\" alt=\"Obr. 1-2 Vztah mezi velikost\u00ed instalace formy a lisem\" class=\"wd-lazy-fade wp-image-13490\" width=\"341\" height=\"394\" title=\"Obr. 1-2 Vztah mezi velikost\u00ed instalace formy a lisem\" srcset=\"\" data-srcset=\"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-2_Relationship-between-Mold-Installation-Size-and-Press.png 800w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-2_Relationship-between-Mold-Installation-Size-and-Press-260x300.png 260w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-2_Relationship-between-Mold-Installation-Size-and-Press-768x887.png 768w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-2_Relationship-between-Mold-Installation-Size-and-Press-10x12.png 10w, https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/1-2_Relationship-between-Mold-Installation-Size-and-Press-150x173.png 150w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/><figcaption>Obr. 1-2 Vztah mezi velikost\u00ed instalace formy a lisem<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-motor-power-selection\">V\u00fdb\u011br v\u00fdkonu motoru<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Je t\u0159eba zajistit, aby v\u00fdkon motoru lisu byl v\u011bt\u0161\u00ed ne\u017e v\u00fdkon pot\u0159ebn\u00fd pro lisov\u00e1n\u00ed.<br>Technick\u00e9 parametry b\u011b\u017en\u00fdch lis\u016f lze konzultovat v souvisej\u00edc\u00edch n\u00e1vodech.<\/p>","protected":false},"excerpt":{"rendered":"<p>Volba typu lisu Za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00e9 pro lisovac\u00ed zpracov\u00e1n\u00ed zahrnuje p\u0159edev\u0161\u00edm obecn\u00fd lis, speci\u00e1ln\u00ed lis a<\/p>","protected":false},"author":1,"featured_media":13491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1037,1036,1039,1038],"class_list":["post-13492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-punching-machine","tag-choose-a-power-press","tag-power-press","tag-press-machine-selections","tag-press-type"],"jetpack_featured_media_url":"https:\/\/harslepress.com\/wp-content\/uploads\/2021\/08\/How-to-Choose-A-Right-Power-Press.png","_links":{"self":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/posts\/13492","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/comments?post=13492"}],"version-history":[{"count":0,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/posts\/13492\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/media\/13491"}],"wp:attachment":[{"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/media?parent=13492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/categories?post=13492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/harslepress.com\/cs\/wp-json\/wp\/v2\/tags?post=13492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}