![\"Brusn\u00fd](\"http:\/\/siliconcarbideceramic.net\/wp-content\/uploads\/2024\/04\/Silicon-Carbide-Abrasive-Wheel.jpg\")
<\/p>","protected":false},"excerpt":{"rendered":"Brusn\u00e9 kotou\u010de z karbidu k\u0159em\u00edku jsou ide\u00e1ln\u00edm \u0159e\u0161en\u00edm pro opracov\u00e1n\u00ed tvrd\u0161\u00edch materi\u00e1l\u016f, jako je d\u0159evo, k\u00e1men, kov a barva, zat\u00edmco jejich m\u011bkk\u00e9 povrchy zahrnuj\u00ed sklo, gumu a plast. Jejich uzav\u0159en\u00e1 vrstva zaji\u0161\u0165uje optim\u00e1ln\u00ed pokryt\u00ed zrna s r\u016fznou hustotou pro r\u016fzn\u00e9 pot\u0159eby pou\u017eit\u00ed.<\/p>\n
T\u0159\u00edd\u011bn\u00ed popisuje pevnost vazby, kter\u00e1 dr\u017e\u00ed brusn\u00e1 zrna v kotou\u010di, p\u0159i\u010dem\u017e tvrd\u0161\u00ed t\u0159\u00eddy dr\u017e\u00ed pevn\u011bji. Jejich odstran\u011bn\u00ed vy\u017eaduje zna\u010dnou s\u00edlu.<\/p>\n
Tvrdost brusn\u00e9ho kotou\u010de se ur\u010duje podle pevnosti vazeb, kter\u00e9 spojuj\u00ed brusn\u00e1 zrna dohromady, p\u0159i\u010dem\u017e vy\u0161\u0161\u00ed stupn\u011b tvrdosti se ozna\u010duj\u00ed tehdy, kdy\u017e tyto vazby bezpe\u010dn\u011b dr\u017e\u00ed v\u0161echna brusn\u00e1 zrna proti sil\u00e1m, kter\u00e9 hroz\u00ed jejich vz\u00e1jemn\u00fdm vytr\u017een\u00edm; ni\u017e\u0161\u00ed stupn\u011b tvrdosti ozna\u010duj\u00ed voln\u011bj\u0161\u00ed spoje, p\u0159i nich\u017e se \u010d\u00e1stice snadno uvol\u0148uj\u00ed ze sv\u00e9ho usazen\u00ed na kotou\u010di.<\/p>\n
Stejn\u011b tak zrnitost brusn\u00e9ho kotou\u010de ur\u010duje jeho agresivitu p\u0159i brou\u0161en\u00ed materi\u00e1l\u016f a jemnost opracov\u00e1n\u00ed povrchu. Ni\u017e\u0161\u00ed zrnitost odstra\u0148uje z kov\u016f v\u011bt\u0161\u00ed t\u0159\u00edsky, zat\u00edmco vy\u0161\u0161\u00ed zrnitost zaji\u0161\u0165uje jemn\u011bj\u0161\u00ed povrchovou \u00fapravu. Samotn\u00e1 brusn\u00e1 zrna jsou rozd\u011blena podle p\u0159\u00edslu\u0161n\u00e9 velikosti zrnitosti pro pou\u017eit\u00ed na m\u011bkk\u00e9 kovy, zat\u00edmco jemn\u011bj\u0161\u00ed zrna pracuj\u00ed na tvrd\u0161\u00edch slitin\u00e1ch.<\/p>\n
Oxid hlinit\u00fd, obl\u00edben\u00e1 odr\u016fda brusn\u00fdch zrn, \u00fa\u010dinn\u011b p\u016fsob\u00ed na kovy, jako je ocel a \u017eelezo; jeho \u00fa\u010dinnost se v\u0161ak ve srovn\u00e1n\u00ed s n\u011bkter\u00fdmi jin\u00fdmi brusn\u00fdmi zrny rychle otupuje.<\/p>\n
Karbid k\u0159em\u00edku je ost\u0159ej\u0161\u00ed a k\u0159eh\u010d\u00ed brusn\u00e9 zrno ne\u017e oxid hlinit\u00fd, ide\u00e1ln\u00ed pro pou\u017eit\u00ed na nekovov\u00e9 materi\u00e1ly s ni\u017e\u0161\u00ed pevnost\u00ed v tahu, jako je sklo, plast a d\u0159evovl\u00e1knit\u00e9 desky st\u0159edn\u00ed hustoty. Karbid k\u0159em\u00edku nav\u00edc snadno pronik\u00e1 i do odlitk\u016f z litiny nebo m\u011bkk\u00e9ho bronzu! V n\u011bkter\u00fdch aplikac\u00edch p\u0159i zpracov\u00e1n\u00ed d\u0159eva se pou\u017e\u00edvaj\u00ed ob\u011b tato brusiva spole\u010dn\u011b: za\u010d\u00edn\u00e1 se s oxidem hlin\u00edku pro hrub\u00e9 brou\u0161en\u00ed a pot\u00e9 se p\u0159ech\u00e1z\u00ed na karbid k\u0159em\u00edku pro dokon\u010dovac\u00ed f\u00e1ze pr\u00e1ce.<\/p>\n
Brusiva p\u0159i brou\u0161en\u00ed vytv\u00e1\u0159ej\u00ed teplo, kter\u00e9 m\u016f\u017ee po\u0161kodit obrobky. Proto je z\u00e1sadn\u00ed vybrat brusn\u00fd kotou\u010d s \u00fa\u010dinnou odolnost\u00ed proti teplu a schopnost\u00ed jeho odvodu. Kotou\u010de z karbidu k\u0159em\u00edku maj\u00ed pro tento \u00fa\u010del skv\u011blou tepelnou vodivost a rychle odv\u00e1d\u011bj\u00ed teplo, \u010d\u00edm\u017e sni\u017euj\u00ed riziko a prodlu\u017euj\u00ed \u017eivotnost brusn\u00fdch \u010d\u00e1stic. Karbidk\u0159em\u00edkov\u00e9 kotou\u010de jsou vynikaj\u00edc\u00ed volbou.<\/p>\n
Ned\u00edlnou roli v tepeln\u00e9 odolnosti brusn\u00e9ho kotou\u010de hraje tak\u00e9 materi\u00e1l a velikost zrn. U\u017e\u0161\u00ed zrna maj\u00ed tendenci snadn\u011bji \u0159ezat kov a z\u00e1rove\u0148 se rychleji opot\u0159ebov\u00e1vaj\u00ed ne\u017e \u0161ir\u0161\u00ed zrna; brusiva z oxidu hlinit\u00e9ho jsou obvykle m\u00e9n\u011b citliv\u00e1 na teplo ne\u017e jejich prot\u011bj\u0161ky z karbidu k\u0159em\u00edku, a proto by m\u011bla b\u00fdt up\u0159ednost\u0148ov\u00e1na p\u0159i brou\u0161en\u00ed m\u011bk\u010d\u00edch materi\u00e1l\u016f, jako je d\u0159evo a kov.<\/p>\n
V\u00fdznamnou roli v tepeln\u00e9 odolnosti hraj\u00ed spoje, kter\u00e9 p\u0159il\u00e9haj\u00ed brusn\u00e1 zrna ke kotou\u010d\u016fm a mohou b\u00fdt vyrobeny z materi\u00e1l\u016f, jako je \u0161elak, prysky\u0159ice, pry\u017e nebo sklokeramika. Krom\u011b toho m\u016f\u017ee volba tohoto pojiva ovlivnit jeho \u017eivotnost: tvrd\u0161\u00ed sklovit\u00e1 pojiva maj\u00ed tendenci vydr\u017eet d\u00e9le, ale mohou omezovat \u010detnost vyno\u0159ov\u00e1n\u00ed nov\u00fdch zrn. M\u011bk\u010d\u00ed vazby maj\u00ed naopak tendenci se rychleji rozpadat a \u010dast\u011bji tak odhalovat nov\u00e9 ostr\u00e9 \u010d\u00e1stice, co\u017e m\u016f\u017ee pomoci udr\u017eet rovnom\u011brnou rychlost \u0159ezu a z\u00e1rove\u0148 zlep\u0161it p\u0159esnost aplikac\u00ed.<\/p>\n
Karbid k\u0159em\u00edku je jedn\u00edm z nejtvrd\u0161\u00edch dostupn\u00fdch materi\u00e1l\u016f, v tvrdosti mu konkuruj\u00ed pouze diamant a kubick\u00fd nitrid b\u00f3ru. Krom\u011b toho je tento keramick\u00fd materi\u00e1l relativn\u011b levn\u00fd na v\u00fdrobu a dostate\u010dn\u011b univerz\u00e1ln\u00ed pro mnoho pou\u017eit\u00ed - zejm\u00e9na pro kotou\u010de, kter\u00e9 mus\u00ed vydr\u017eet neust\u00e1l\u00e9 \u0159ez\u00e1n\u00ed po del\u0161\u00ed dobu, aby \u0159ezaly materi\u00e1ly, jako je ocel a hlin\u00edk.<\/p>\n
Kotou\u010de z karbidu k\u0159em\u00edku maj\u00ed del\u0161\u00ed \u017eivotnost, co\u017e u\u017eivatel\u016fm p\u0159in\u00e1\u0161\u00ed zna\u010dn\u00e9 \u00faspory n\u00e1klad\u016f. Jejich del\u0161\u00ed \u017eivotnost znamen\u00e1, \u017ee je nutn\u00e9 m\u011bnit m\u00e9n\u011b kole\u010dek, a t\u00edm se sni\u017euj\u00ed n\u00e1klady na spot\u0159ebn\u00ed materi\u00e1l a \u00fadr\u017ebu; nav\u00edc jejich vysok\u00e1 hou\u017eevnatost a odolnost proti n\u00e1razu pom\u00e1haj\u00ed udr\u017eovat trvanlivost po dlouhou dobu.<\/p>\n
Brusn\u00e9 kotou\u010de z karbidu k\u0159em\u00edku se dod\u00e1vaj\u00ed v r\u016fzn\u00fdch form\u00e1ch v z\u00e1vislosti na konkr\u00e9tn\u00ed aplikaci. Zelen\u00fd karbid k\u0159em\u00edku pro brou\u0161en\u00ed ne\u017eelezn\u00fdch kov\u016f, karbid wolframu pro ost\u0159en\u00ed n\u00e1stroj\u016f v n\u00e1stroj\u00e1rn\u00e1ch a rovn\u00e9 sklovit\u00e9 kotou\u010de se pou\u017e\u00edvaj\u00ed pro hrub\u00e9 brou\u0161en\u00ed. Oxid k\u0159emi\u010dit\u00fd nab\u00edz\u00ed v\u011bt\u0161\u00ed trvanlivost ne\u017e standardn\u00ed \u0159e\u0161en\u00ed z karbidu k\u0159em\u00edku p\u0159i \u0159ez\u00e1n\u00ed m\u011bkk\u00fdch kov\u016f, jako je hlin\u00edk a \u017eelezo.<\/p>\n
Mezi dal\u0161\u00ed typy brusiva pat\u0159\u00ed plst\u011bn\u00e9 kole\u010dko CS-5 pro testov\u00e1n\u00ed odolnosti pru\u017en\u00fdch materi\u00e1l\u016f proti od\u011bru. Toto kole\u010dko m\u00e1 v j\u00e1dru hust\u011b zhutn\u011bnou vln\u011bnou pls\u0165, zat\u00edmco po obvodu m\u00e1 \u0161roubovit\u00e9 zuby, kter\u00e9 kombinuj\u00ed \u0159ezn\u00fd a trhac\u00ed \u00fa\u010dinek. Na jeho okraje lze tak\u00e9 p\u0159ipevnit lepic\u00ed prou\u017eky smirkov\u00e9ho pap\u00edru, aby bylo mo\u017en\u00e9 vyhodnotit, jak si CS-5 vede v\u016f\u010di r\u016fzn\u00fdm materi\u00e1l\u016fm a povlak\u016fm.<\/p>\n
Brusn\u00e9 materi\u00e1ly z karbidu k\u0159em\u00edku pat\u0159\u00ed k nejtvrd\u0161\u00edm dostupn\u00fdm materi\u00e1l\u016fm; tvrdost\u00ed je p\u0159ekon\u00e1v\u00e1 pouze diamant a karbid b\u00f3ru. P\u0159esto\u017ee jsou kotou\u010de z tohoto materi\u00e1lu levn\u011bj\u0161\u00ed, jejich po\u0159\u00edzen\u00ed b\u00fdv\u00e1 pom\u011brn\u011b drah\u00e9.<\/p>\n
Nab\u00edzej\u00ed v\u0161ak dlouhou \u017eivotnost a vysok\u00e9 \u0159ezn\u00e9 rychlosti, d\u00edky \u010demu\u017e jsou vhodn\u00e9 pro brou\u0161en\u00ed kov\u016f, jako je litina, tv\u00e1rn\u00e1 litina a ocel, kamene a betonu, jako\u017e i dal\u0161\u00edch zdic\u00edch materi\u00e1l\u016f, jako jsou cihly a p\u00edskovec.<\/p>\n
Sm\u011bsi karbidu k\u0159em\u00edku a oxidu hlinit\u00e9ho poskytuj\u00ed optim\u00e1ln\u00ed \u0159e\u0161en\u00ed pro brou\u0161en\u00ed hlin\u00edkov\u00fdch slitin a m\u011bkk\u00fdch slitin a nab\u00edzej\u00ed prodlou\u017eenou \u017eivotnost a st\u00e1l\u00fd v\u00fdkon.<\/p>\n
Karbid k\u0159em\u00edku se od oxidu hlinit\u00e9ho li\u0161\u00ed t\u00edm, \u017ee jeho zrna jsou ost\u0159ej\u0161\u00ed a tvrd\u0161\u00ed, av\u0161ak nejsou tak odoln\u00e1, proto\u017ee jsou k\u0159eh\u010d\u00ed a maj\u00ed u\u017e\u0161\u00ed tvary, kter\u00e9 se \u010dasem opot\u0159ebov\u00e1vaj\u00ed.<\/p>\n
V na\u0161\u00ed rozs\u00e1hl\u00e9 nab\u00eddce brusn\u00fdch kotou\u010d\u016f najdete kotou\u010de s r\u016fzn\u00fdmi stupni a hustotami karbidu k\u0159em\u00edku, od m\u011bkk\u00fdch s hustotou 2 pro aplikace vy\u017eaduj\u00edc\u00ed p\u0159izp\u016fsobivost a\u017e po agresivn\u00ed s hustotou 8, kter\u00e9 jsou ur\u010deny pro maxim\u00e1ln\u00ed \u0159ez a trvanlivost. Nakupujte nyn\u00ed, abyste brusn\u00e9 kotou\u010de vyu\u017eili co nejl\u00e9pe, a zajist\u011bte si, \u017ee budete pou\u017e\u00edvat kotou\u010de vhodn\u00e9 pro v\u00e1\u0161 projekt!<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Silicon carbide abrasive wheels are the ideal solution for handling harder materials like wood finishes, stone, metal and paint, while […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-102","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/comments?post=102"}],"version-history":[{"count":3,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":204,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/posts\/102\/revisions\/204"}],"wp:attachment":[{"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/media?parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/categories?post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbideceramic.net\/cs\/wp-json\/wp\/v2\/tags?post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}