Typ brusiva pou\u017eit\u00e9ho v br\u00fasnom kot\u00fa\u010di m\u00e1 ve\u013ek\u00fd v\u00fdznam, preto\u017ee jeho v\u00fdber ovplyv\u0148uje r\u00fdchlos\u0165 rezania a \u017eivotnos\u0165. Oxid hlin\u00edka je najlep\u0161\u00ed na ocele a \u017eelezo, zatia\u013e \u010do karbid krem\u00edka funguje lep\u0161ie na ne\u017eelezn\u00e9 kovy.<\/p>\n
\u010eal\u0161ie \u00favahy by mali zah\u0155\u0148a\u0165 mno\u017estvo a presnos\u0165 po\u017eadovan\u00fa pri odstra\u0148ovan\u00ed z\u00e1sob spolu s t\u00fdm, ak\u00e9 spojivo sa m\u00e1 pou\u017ei\u0165.<\/p>\n
Pri v\u00fdbere vhodn\u00e9ho br\u00fasneho kot\u00fa\u010da je nevyhnutn\u00e9 zoh\u013eadni\u0165 materi\u00e1l obrobku. To v\u00e1m umo\u017en\u00ed vybra\u0165 br\u00fasivo, ktor\u00e9 najlep\u0161ie zodpoved\u00e1 tomuto typu povrchu - napr\u00edklad oxid hlinit\u00fd je skvel\u00fd pre materi\u00e1ly s n\u00edzkou pevnos\u0165ou v \u0165ahu, ako s\u00fa nekovy, zatia\u013e \u010do oxid zirkoni\u010dit\u00fd m\u00f4\u017ee lep\u0161ie fungova\u0165 na tvrd\u0161\u00edch oceliach s ve\u013ek\u00fdmi kontaktn\u00fdmi plochami.<\/p>\n
Zoh\u013eadni\u0165 by sa mal aj typ dlhopisu. Tvrd\u0161ie spojenie pon\u00faka dlh\u0161iu \u017eivotnos\u0165 kot\u00fa\u010da a r\u00fdchlej\u0161ie odstra\u0148ovanie materi\u00e1lu; naopak, m\u00e4k\u0161ie spojenia poskytuj\u00fa hlad\u0161\u00ed br\u00fasny z\u00e1\u017eitok a z\u00e1rove\u0148 r\u00fdchlej\u0161ie odha\u013euj\u00fa nov\u00e9 br\u00fasne povrchy.<\/p>\n
Sklovit\u00e9 spoje s\u00fa ide\u00e1lne na pou\u017eitie s \u010diernymi a zelen\u00fdmi br\u00fasnymi materi\u00e1lmi z karbidu krem\u00edka, n\u00e1strojov\u00fdch ocel\u00ed z karbidu volfr\u00e1mu a n\u00e1strojov\u00fdch ocel\u00ed na zabr\u00e1nenie kor\u00f3zii na obrobkoch z nehrdzavej\u00facej ocele a hlin\u00edka, v kovov\u00fdrobe, oddeleniach \u00fadr\u017eby a n\u00e1stroj\u00e1r\u0148ach, pri br\u00fasen\u00ed liatiny a ne\u017eelezn\u00fdch kovov, ako je tit\u00e1n alebo volfr\u00e1m, ako aj pri br\u00fasen\u00ed liatiny. V\u010faka r\u00f4znym ve\u013ekostiam, tvarom, zrnitostiam a tvarom, ktor\u00e9 s\u00fa k dispoz\u00edcii, pon\u00fakaj\u00fa nekone\u010dn\u00e9 mno\u017estvo aplik\u00e1ci\u00ed.<\/p>\n
Karbid krem\u00edka je mimoriadne odoln\u00fd materi\u00e1l, ktor\u00fd dobre odol\u00e1va mnoh\u00fdm materi\u00e1lom a aplik\u00e1ci\u00e1m vr\u00e1tane \u017eelezn\u00fdch kovov, ako je oce\u013e a liatina, ne\u017eelezn\u00fdch materi\u00e1lov, ako je hlin\u00edk a mosadz, a \u0165a\u017eko br\u00fasite\u013enej keramiky a skla.<\/p>\n
Ostr\u00e9 hrany br\u00fasneho zrna sa pri opotrebovan\u00ed rozpadaj\u00fa a po\u010das svojej \u017eivotnosti vytv\u00e1raj\u00fa nov\u00e9 rezn\u00e9 plochy ostr\u00e9 ako britva. V\u00fdsledkom je r\u00fdchly \u00faber materi\u00e1lu, dlh\u00e1 \u017eivotnos\u0165 kot\u00fa\u010da a vynikaj\u00faca kvalita povrchu v porovnan\u00ed s tradi\u010dn\u00fdmi br\u00fasnymi materi\u00e1lmi z oxidu hlinit\u00e9ho.<\/p>\n
Spolo\u010dnos\u0165 Covington pon\u00faka sortiment br\u00fasnych kot\u00fa\u010dov na kovy, ako je \u010dierny a zelen\u00fd karbid krem\u00edka, ako aj karbid volfr\u00e1mu, na pou\u017eitie na tvrden\u00e9 oce\u013eov\u00e9 materi\u00e1ly, ako s\u00fa kalen\u00e9 plechy. Okrem toho s\u00fa k dispoz\u00edcii rezinoidov\u00e9 a zirk\u00f3nov\u00e9 korundov\u00e9 v\u00e4zby v z\u00e1vislosti od pracovn\u00e9ho prostredia a po\u017eiadaviek na ve\u013ekos\u0165 zrna.<\/p>\n
Br\u00fasne materi\u00e1ly z karbidu krem\u00edka maj\u00fa v porovnan\u00ed s alternat\u00edvnymi materi\u00e1lmi z oxidu hlinit\u00e9ho vy\u0161\u0161iu odolnos\u0165 proti opotrebovaniu v\u010faka svojej tvrdosti. Ich ostr\u00e9 rezn\u00e9 hrany im umo\u017e\u0148uj\u00fa produkova\u0165 menej abraz\u00edvnych triesok zn\u00e1mych ako \"triesky\", ktor\u00e9 menej pravdepodobne po\u0161kodia obrobky.<\/p>\n
Br\u00fasne materi\u00e1ly z karbidu krem\u00edka s\u00fa ur\u010den\u00e9 na \u00fa\u010dinn\u00e9 br\u00fasenie m\u00e4kk\u00fdch kovov, ako je liatina a farebn\u00e9 kovy, ako aj keramiky, kame\u0148a a in\u00fdch \u0165a\u017eko br\u00fasite\u013en\u00fdch materi\u00e1lov, ako je keramika alebo kame\u0148. Pri pr\u00e1ci s m\u00e4kk\u00fdmi materi\u00e1lmi, ako je drevo alebo m\u00e4kk\u00e9 kovy, by sa mali kombinova\u0165 s br\u00fasnymi materi\u00e1lmi z oxidu hlinit\u00e9ho, aby sa dosiahol hlad\u0161\u00ed povrch.<\/p>\n
Pr\u00e9miov\u00e1 vodotesn\u00e1 br\u00fasna f\u00f3lia navrhnut\u00e1 \u0161peci\u00e1lne na splnenie po\u017eiadaviek metalografick\u00fdch a petrografick\u00fdch aplik\u00e1ci\u00ed hrub\u00e9ho a jemn\u00e9ho br\u00fasenia, s vybran\u00fdmi miner\u00e1lnymi triedami, pevnou \u017eivicovou v\u00e4zbou a kvalitn\u00fdm papierov\u00fdm podkladom, ktor\u00fd za mokra nenapu\u010diava. K dispoz\u00edcii s\u00fa ve\u013ekosti zrnitosti 60 - 1200 s jednoduchou alebo tlakovo citlivou lepiacou zadnou stranou (PSA). Pred\u00e1va sa po 25 kusoch.<\/p>\n
Br\u00fasne kot\u00fa\u010de s\u00fa nepostr\u00e1date\u013en\u00fdm n\u00e1strojom, ktor\u00fd sa pou\u017e\u00edva na br\u00fasenie a rezanie r\u00f4znych materi\u00e1lov, napr\u00edklad oxidu hlinit\u00e9ho alebo karbidu krem\u00edka. Karbid krem\u00edka je br\u00fasny materi\u00e1l vyroben\u00fd z tvrd\u00e9ho a odoln\u00e9ho materi\u00e1lu, ktor\u00fd sa \u010dasto pou\u017e\u00edva na viacer\u00e9 \u00falohy, ako je hladk\u00e9 rezanie kovov, kame\u0148ov a keramiky, a je zn\u00e1my aj svojou odolnos\u0165ou vo\u010di prostrediu s vysok\u00fdm tlakom.<\/p>\n
Ve\u013ekos\u0165 zrna, typ spojiva a tvar br\u00fasneho kot\u00fa\u010da zohr\u00e1vaj\u00fa z\u00e1sadn\u00fa \u00falohu pri jeho v\u00fdkone a \u017eivotnosti. Konkr\u00e9tne ve\u013ekos\u0165 zrna m\u00f4\u017ee ur\u010dova\u0165 drsnos\u0165 br\u00fasenia, ako aj r\u00fdchlos\u0165 opotrebovania v priebehu \u010dasu.<\/p>\n
Zelen\u00fd karbid krem\u00edka je abraz\u00edvny materi\u00e1l, ktor\u00fd sa be\u017ene pou\u017e\u00edva na br\u00fasenie relat\u00edvne m\u00e4kk\u00fdch kovov, ako je hlin\u00edk a liatina, ako aj extr\u00e9mne tvrd\u00fdch materi\u00e1lov, ako je cementovan\u00fd karbid. Zvy\u010dajne sa pou\u017e\u00edva so sklotextiln\u00fdmi alebo \u017eivicov\u00fdmi spojmi, jeho tvary sa l\u00ed\u0161ia a pri spr\u00e1vnom obrusovan\u00ed t\u00fdchto kot\u00fa\u010dov m\u00f4\u017ee pom\u00f4c\u0165 gumov\u00e1 ob\u0165ahovacia ty\u010d.<\/p>","protected":false},"excerpt":{"rendered":"
The type of abrasive used in a grinding wheel is of great significance as its selection will have an effect on its cut rate and longevity. Aluminum oxide is best for steels and irons while silicon carbide works better on non-ferrous metals. Other considerations should include the amount and precision required of the stock removal, […]<\/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":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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":[64],"tags":[],"class_list":["post-168","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/comments?post=168"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/168\/revisions"}],"predecessor-version":[{"id":169,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/168\/revisions\/169"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/media?parent=168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/categories?post=168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/tags?post=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}