[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.kreans.cz\/rez-vodnim-paprskem-je-hladky-jak-zakrok-chirurgickym-skalpelem\/#Article","mainEntityOfPage":"https:\/\/www.kreans.cz\/rez-vodnim-paprskem-je-hladky-jak-zakrok-chirurgickym-skalpelem\/","headline":"\u0158ez vodn\u00edm paprskem je hladk\u00fd, jak z\u00e1krok chirurgick\u00fdm skalpelem","name":"\u0158ez vodn\u00edm paprskem je hladk\u00fd, jak z\u00e1krok chirurgick\u00fdm skalpelem","description":"Kdy\u017e n\u011bkomu nezku\u0161en\u00e9mu budete tvrdit, \u017ee vodou budete \u0159ezat ocelov\u00fd krun\u00fd\u0159, tak se v\u00e1m z\u0159ejm\u011b vysm\u011bje. Lid\u00e9, kte\u0159\u00ed se s...","datePublished":"2018-03-06","dateModified":"2023-04-27","author":{"@type":"Person","@id":"https:\/\/www.kreans.cz\/author\/#Person","name":"kreans.cz\n","url":"https:\/\/www.kreans.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/da76ffe9456a057fb26f92cd8eb3d2effca853864e9ae2a35290bd1e10b1f7d4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/da76ffe9456a057fb26f92cd8eb3d2effca853864e9ae2a35290bd1e10b1f7d4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"kreans.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.kreans.cz\/wp-content\/uploads\/img_a314599_w1713_t1525434240.jpg","url":"https:\/\/www.kreans.cz\/wp-content\/uploads\/img_a314599_w1713_t1525434240.jpg","height":0,"width":0},"url":"https:\/\/www.kreans.cz\/rez-vodnim-paprskem-je-hladky-jak-zakrok-chirurgickym-skalpelem\/","about":["N\u00e1kupy"],"wordCount":469,"articleBody":"Kdy\u017e n\u011bkomu nezku\u0161en\u00e9mu budete tvrdit, \u017ee vodou budete \u0159ezat ocelov\u00fd krun\u00fd\u0159, tak se v\u00e1m z\u0159ejm\u011b vysm\u011bje. Lid\u00e9, kte\u0159\u00ed se s touto technologi\u00ed ji\u017e setkali, dob\u0159e v\u00ed, jakou s\u00edlu vodn\u00ed \u017eivel dok\u00e1\u017ee vyvinout. Pravda, mus\u00ed se mu trochu napomoci speci\u00e1ln\u00edm za\u0159\u00edzen\u00edm, kter\u00e9 vyvine obrovsk\u00fd tlak. Voda pak dok\u00e1\u017ee \u0159ezat v\u0161echny druhy materi\u00e1lu, na kter\u00e9 si vzpomenete, od pap\u00edrov\u00e9 \u010dtvrtky, a\u017e po ocelov\u00fd panc\u00e9\u0159ov\u00fd blok. S\u00edlu vodn\u00ed masy m\u016f\u017eete sami snadno testovat nap\u0159. ve spr\u0161e, jestli\u017ee vodu pro\u017eenete mas\u00e1\u017en\u00ed tryskou, nebo kdy\u017e prstem vytvo\u0159\u00edte trysku na konci zahradn\u00ed hadice, mo\u017en\u00e1 si uv\u011bdom\u00edte, co voda pod vysok\u00fdm tlakem dok\u00e1\u017ee. Numericky \u0159\u00edzen\u00e9 stroje \u0159e\u017eou i velmi tvrd\u00e9 materi\u00e1ly Na stejn\u00e9m principu pracuje n\u00e1stroj pro \u0159ez\u00e1n\u00ed vodn\u00edm paprskem. Jde o speci\u00e1ln\u00ed numericky \u0159\u00edzen\u00fd obr\u00e1b\u011bc\u00ed stroj (CNC) s vysokotlak\u00fdm vodn\u00edm \u010derpadlem, kde se do \u010dinnosti uv\u00e1d\u00ed oboustrann\u00fd p\u00edst. Ten dok\u00e1\u017ee vyvinout tlakovou s\u00edlu vy\u0161\u0161\u00ed ne\u017e 4000 atmosf\u00e9r (bar\u016f). Z\u00e1klad vodn\u00edho \u0159ezac\u00edho stroje dopl\u0148uje tlakov\u00fd z\u00e1sobn\u00edk vody o obrovsk\u00e9m objemu, a ten zaru\u010duje kontinu\u00e1ln\u00ed proces \u0159ez\u00e1n\u00ed za konstantn\u00edch podm\u00ednek. Samotn\u00e1 \u010dist\u00e1 voda zvl\u00e1dne \u0159ezat pouze m\u011bk\u010d\u00ed materi\u00e1l, tedy nap\u0159. plast, pry\u017e, pap\u00edr, tenk\u00e9 d\u0159ev\u011bn\u00e9 desky. Na ocelov\u00e9 a jin\u00e9 kovov\u00e9 plochy se do vody p\u0159id\u00e1v\u00e1 speci\u00e1ln\u00ed sm\u011bs velmi mal\u00fdch tvrd\u00fdch \u010d\u00e1ste\u010dek s ostr\u00fdmi hranami. \u0158ezn\u00fdm n\u00e1strojem je pak voda s jemnou p\u0159\u00edm\u011bs\u00ed abrazivn\u00edch l\u00e1tek a \u0159ezac\u00ed hlavou proch\u00e1z\u00ed tekutina rychlost\u00ed \u010dty\u0159n\u00e1sobku rychlosti zvuku. V\u00fdsledkem je neuv\u011b\u0159iteln\u00fd fyzik\u00e1ln\u00ed proces odd\u011blov\u00e1n\u00ed – \u0159ez\u00e1n\u00ed r\u016fznorod\u00fdch materi\u00e1l\u016f. Mimo jin\u00e9 i oceli a\u017e do tlou\u0161\u0165ky 30 cm. V \u010dem je \u0159ez\u00e1n\u00ed vodn\u00edm paprskem specifick\u00e9 a v\u00fdhodn\u00e9 Nedoch\u00e1z\u00ed k prask\u00e1n\u00ed materi\u00e1lu, dokonce i velmi k\u0159ehk\u00e9ho. Vodn\u00ed paprsek – tlak vody je veden p\u0159esn\u011b a v\u00fdhradn\u011b \u0159eznou plochou. \u0158ezn\u00fd proces \u0159\u00edd\u00ed po\u010d\u00edta\u010d (CNC stroj), materi\u00e1l se odd\u011bluje s p\u0159esnost\u00ed na desetinu milimetru, a to s minim\u00e1ln\u00ed chybnou odchylkou, a velice rychle. Naprogramovat lze r\u016fzn\u00e9 tvary k\u0159ivek a \u0161ikm\u00fdch ploch. \u0158ezat lze cokoliv \u2013 pap\u00edr, d\u0159evo, plasty, kovy. \u0158ez\u00e1n\u00ed prob\u00edh\u00e1 za studena a zpracov\u00e1van\u00fd obrobek nepodl\u00e9h\u00e1 tepeln\u00e9 z\u00e1t\u011b\u017ei, nem\u011bn\u00ed se jeho krystalick\u00e1 struktura v m\u00edst\u011b \u0159ezu, co\u017e je sm\u011brodatn\u00e9 zejm\u00e9na u kov\u016f. Pro\u0159ez je velmi tenk\u00fd, sni\u017euje se t\u00edm spot\u0159eba v\u00fdchoz\u00edch surovin. Z\u00e1rove\u0148 je voda s abrazivem snadno recyklovateln\u00e1.                                                                                                                                                                                                                                                                                                                                                                                        3.7\/5 - (3 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"\u0158ez vodn\u00edm paprskem je hladk\u00fd, jak z\u00e1krok chirurgick\u00fdm skalpelem","item":"https:\/\/www.kreans.cz\/rez-vodnim-paprskem-je-hladky-jak-zakrok-chirurgickym-skalpelem\/#breadcrumbitem"}]}]