Karbid krem\u00edka (SiC) je prirodzene sa vyskytuj\u00faci miner\u00e1l zn\u00e1my ako \"karborundum\". Okrem toho existuje aj umel\u00e1 forma zn\u00e1ma ako syntetick\u00fd moissanit.<\/p>\n
Br\u00fasne kamene s\u00fa klasick\u00e9 a v\u0161estrann\u00e9 n\u00e1stroje na ostrenie, ale pred pou\u017eit\u00edm si vy\u017eaduj\u00fa pravideln\u00e9 nam\u00e1\u010danie a vyrovn\u00e1vanie, aby sa zachoval rovn\u00fd povrch. Br\u00fasne kamene by sa mali vo v\u0161eobecnosti pou\u017e\u00edva\u0165 ako s\u00fa\u010das\u0165 postupn\u00e9ho ostrenia, ktor\u00e9 za\u010d\u00edna indick\u00fdm alebo kry\u0161t\u00e1lov\u00fdm kame\u0148om.<\/p>\n
Br\u00fasne kamene sa u\u017e dlho pou\u017e\u00edvaj\u00fa ako \u00fa\u010dinn\u00fd n\u00e1stroj na br\u00fasenie ostria. Tento proces, zn\u00e1my ako honovanie, mo\u017eno dokon\u010di\u0165 pomocou pr\u00edrodn\u00e9ho alebo umel\u00e9ho br\u00fasneho materi\u00e1lu, ktor\u00fd sa del\u00ed na r\u00f4zne stupne zrnitosti pod\u013ea toho, ako hrub\u00fd je ka\u017ed\u00fd kame\u0148; hrub\u0161ie kamene s\u00fa zvy\u010dajne vyhraden\u00e9 na \u0165a\u017e\u0161ie \u00falohy, ako je \u00faprava po\u0161koden\u00fdch alebo narezan\u00fdch hr\u00e1n, zatia\u013e \u010do jemnej\u0161ie kamene m\u00f4\u017eu le\u0161ti\u0165 a zdokona\u013eova\u0165 u\u017e nabr\u00fasen\u00e9 ostrie. Kombinovan\u00e9 s\u00fapravy s\u00fa \u010dasto vybaven\u00e9 hrub\u0161\u00edmi a jemnej\u0161\u00edmi stranami, \u010do pou\u017e\u00edvate\u013eom umo\u017e\u0148uje vykon\u00e1va\u0165 \u0165a\u017ek\u00fa pr\u00e1cu a z\u00e1rove\u0148 le\u0161ti\u0165 a zdokona\u013eova\u0165 u\u017e nabr\u00fasen\u00e9 hrany - dokonal\u00e9 kombinovan\u00e9 s\u00fapravy s\u00fa doplnen\u00e9 hrub\u0161\u00edmi stranami ur\u010den\u00fdmi na \u0165a\u017ek\u00fa pr\u00e1cu a jemn\u00e9 dokon\u010dovacie pr\u00e1ce!<\/p>\n
Vodn\u00e9 kamene s\u00fa inovat\u00edvnou formou br\u00fasnych kame\u0148ov vyroben\u00fdch z pr\u00edrodn\u00fdch aj syntetick\u00fdch materi\u00e1lov, ktor\u00e9 po\u010das pou\u017e\u00edvania vyu\u017e\u00edvaj\u00fa vodu ako mazivo. Pred pou\u017eit\u00edm by sa tieto kamene mali na nieko\u013eko min\u00fat namo\u010di\u0165, aby sa v\u0161etky br\u00fasne zrn\u00e1 pokryli tekutinou a vytvorili v\u00fdnimo\u010dne hladk\u00fd povrch no\u017eov alebo n\u00e1strojov, ako s\u00fa napr\u00edklad dl\u00e1ta. Na v\u00fdber je mnoho tvarov, pri\u010dom najob\u013e\u00fabenej\u0161\u00ed je obd\u013a\u017enikov\u00fd tvar - trojuholn\u00edkov\u00e9 a okr\u00fahle kamene m\u00f4\u017eu poskytova\u0165 zakriven\u00e9 povrchy vhodn\u00e9 na br\u00fasenie n\u00e1strojov, ktor\u00e9 maj\u00fa okr\u00fahly povrch, ako s\u00fa napr\u00edklad dl\u00e1ta.<\/p>\n
Niektor\u00e9 ocele, napr\u00edklad D2 a 440C, obsahuj\u00fa tvrd\u00e9 karbidy, ktor\u00e9 spoma\u013euj\u00fa br\u00fasenie na povrchu z oxidu hlinit\u00e9ho alebo pr\u00edrodn\u00e9ho kame\u0148a. Na r\u00fdchlej\u0161ie a efekt\u00edvnej\u0161ie rezanie tak\u00fdchto kovov pon\u00fakaj\u00fa kamene z karbidu krem\u00edka 25% tvrd\u0161ie rezn\u00e9 hrany, ktor\u00e9 umo\u017e\u0148uj\u00fa r\u00fdchlej\u0161ie rezy ako ich n\u00e1protivky z oxidu hlinit\u00e9ho.<\/p>\n
Pri dokon\u010dovan\u00ed kovov, ako je m\u00e4kk\u00fd hlin\u00edk, m\u00f4\u017ee by\u0165 v\u00fdhodnej\u0161ie pou\u017ei\u0165 kame\u0148 z karbidu krem\u00edka ako kame\u0148 z oxidu hlinit\u00e9ho, preto\u017ee jeho tvrd\u00e9 brusivo vytv\u00e1ra po\u010das br\u00fasenia menej tepla a m\u00f4\u017ee vytvori\u0165 hlad\u0161\u00ed povrch s men\u0161\u00edm po\u0161koden\u00edm materi\u00e1lu.<\/p>\n
Karbid krem\u00edka mo\u017eno pou\u017ei\u0165 na dekorat\u00edvne grav\u00edrovanie na povrchoch skla a drah\u00fdch kame\u0148ov, ako aj na odstra\u0148ovanie otrepov z hlin\u00edkov\u00fdch odliatkov. Poskytuje jemnej\u0161iu povrchov\u00fa \u00fapravu ako arkansask\u00e9 kamene, ale zanech\u00e1va tmav\u0161ie, tlmenej\u0161ie odtiene ako diamantov\u00e9 fr\u00e9zy - ide\u00e1lny na pou\u017eitie na obrobkoch z m\u00e4kk\u00fdch kovov, ktor\u00e9 mo\u017eno bude potrebn\u00e9 dokon\u010di\u0165 pomocou alternat\u00edvnych pr\u00edstupov k pieskovaniu, ako je t\u00e1to alternat\u00edvna met\u00f3da le\u0161tenia povrchov z m\u00e4kk\u00fdch kovov.<\/p>\n
Kamene z karbidu krem\u00edka m\u00f4\u017eu by\u0165 tie\u017e ide\u00e1lnou vo\u013ebou na zu\u0161\u013each\u0165ovanie rezb\u00e1rskych v\u00fdrobkov z dreva a skla, preto\u017ee poskytuj\u00fa jednoduch\u0161iu kontrolu ako br\u00fasne kamene a z\u00e1rove\u0148 vytv\u00e1raj\u00fa konzistentnej\u0161ie povrchov\u00e9 \u00fapravy. Treba v\u0161ak poznamena\u0165, \u017ee kamene z karbidu krem\u00edka sa opotreb\u00favaj\u00fa r\u00fdchlej\u0161ie ako tradi\u010dn\u00e9 br\u00fasne kamene, a preto si vy\u017eaduj\u00fa pravideln\u00e9 vyrovn\u00e1vanie, aby sa zachoval rovn\u00fd povrch.<\/p>\n
Kamene z karbidu krem\u00edka sa m\u00f4\u017eu pou\u017e\u00edva\u0165 na br\u00fasenie no\u017eov, ale zvy\u010dajne s\u00fa vyhraden\u00e9 pre dokon\u010dovacie kamene kv\u00f4li ich tvrd\u0161iemu spojeniu. Ke\u010f\u017ee tieto kamene si vy\u017eaduj\u00fa agres\u00edvne br\u00fasenie, mali by sa maza\u0165 bu\u010f vodou, alebo olejom, aby sa predi\u0161lo ich prehriatiu a po\u0161kodeniu; po\u010das pou\u017e\u00edvania by sa tie\u017e mali \u010dasto postrieka\u0165 vodou, preto\u017ee ak sa nechaj\u00fa osamote, r\u00fdchlo vyschn\u00fa.<\/p>\n
Br\u00fasne kamene z karbidu krem\u00edka sa \u010dasto pou\u017e\u00edvaj\u00fa na br\u00fasenie mramorov\u00fdch a \u017eulov\u00fdch povrchov, ale rovnako dobre sa hodia aj na br\u00fasenie kovov, dokon\u010dovanie sadrokart\u00f3nu a korku. Ich \u00fazky tvar \u010dast\u00edc sa r\u00fdchlo zarez\u00e1va do materi\u00e1lov s minim\u00e1lnym pou\u017eit\u00edm tlaku pre mimoriadne hladk\u00fd povrch, ktor\u00fd pred le\u0161ten\u00edm nepotrebuje to\u013eko le\u0161tenia! Okrem toho m\u00f4\u017eu kamene z karbidu krem\u00edka pom\u00f4c\u0165 pri odstra\u0148ovan\u00ed otrepov z hlin\u00edkov\u00fdch odliatkov.<\/p>\n
Granule tejto kvality s\u00fa ide\u00e1lne na br\u00fasenie ocele, m\u00e4kk\u00fdch kovov (me\u010f, bronz, zlato a striebro), ako aj m\u00e4kk\u00fdch materi\u00e1lov, ako je mramor a sklo. Mo\u017eno pou\u017ei\u0165 aj ru\u010dn\u00e9 alebo elektrick\u00e9\/vzduchov\u00e9 br\u00fasky.<\/p>\n
Tieto zelen\u00e9 kamene z karbidu krem\u00edka v\u00e1m umo\u017enia jemnej\u0161ie a detailnej\u0161ie grav\u00edrovanie skla, kame\u0148a a drah\u00fdch kame\u0148ov. Okrem toho sa odpor\u00fa\u010daj\u00fa pre rytcov, ktor\u00ed chc\u00fa na nehrdzavej\u00facej oceli a in\u00fdch \u017eelezn\u00fdch kovoch vytvori\u0165 jemnej\u0161iu povrchov\u00fa \u00fapravu ako s diamantov\u00fdmi fr\u00e9zami.<\/p>\n
Karbid krem\u00edka, \u010dastej\u0161ie ozna\u010dovan\u00fd ako karborundum, sa v pr\u00edrode vyskytuje ako vz\u00e1cny miner\u00e1l moissanit; jeho masov\u00e1 v\u00fdroba sa v\u0161ak za\u010dala v roku 1893 na pou\u017eitie ako br\u00fasny materi\u00e1l a priemyseln\u00fd odoln\u00fd materi\u00e1l. Vyr\u00e1ba sa reakciou a pyrol\u00fdzou odparen\u00fdch polysilox\u00e1nov na karbid krem\u00edka prostredn\u00edctvom reak\u010dn\u00fdch\/pyrol\u00fdznych procesov, viazan\u00edm SiAlON alebo v\u00fdrobou chemick\u00fdm naparovan\u00edm sa m\u00f4\u017ee vyr\u00e1ba\u0165 karbid krem\u00edka v r\u00f4znych form\u00e1ch.<\/p>\n
Kame\u0148 z karbidu krem\u00edka (a dokonca aj pr\u00edrodn\u00fd kame\u0148) si vy\u017eaduje neust\u00e1le lapovanie, aby zostal rovn\u00fd. Jedn\u00fdm z postupov je pou\u017eitie sypk\u00e9ho sikov\u00e9ho pr\u00e1\u0161ku s vodou alebo riedidlom; tren\u00edm sem a tam po jeho povrchu, niekedy kr\u00fa\u017eiv\u00fdmi pohybmi; t\u00fdm sa na kameni obrusuj\u00fa v\u0161etky vysok\u00e9 miesta a obnovuje sa jeho rovinnos\u0165 - trv\u00e1 to dlh\u0161ie, ale ke\u010f sa do toho pust\u00edte, bude to jednoduch\u0161ie.<\/p>\n
Karborundum (SiC) je mimoriadne tvrd\u00e1 a odoln\u00e1 polovodi\u010dov\u00e1 zl\u00fa\u010denina zlo\u017een\u00e1 z krem\u00edka a uhl\u00edka. Hoci sa SiC vyskytuje v pr\u00edrode ako lo\u017eisk\u00e1 miner\u00e1lu moissanitu v obmedzenom mno\u017estve, od roku 1893 jeho v\u00fdroba vo forme pr\u00e1\u0161ku a kry\u0161t\u00e1lov umo\u017enila \u0161irok\u00e9 pou\u017eitie ako abraz\u00edvneho a keramick\u00e9ho materi\u00e1lu v aplik\u00e1ci\u00e1ch, ktor\u00e9 si vy\u017eaduj\u00fa vysok\u00fa odolnos\u0165, ako s\u00fa brzdy a spojky automobilov alebo nepriestreln\u00e9 vesty; okrem toho sa s ob\u013eubou pou\u017e\u00edva ako materi\u00e1l na v\u00fdrobu drah\u00fdch kame\u0148ov, napr\u00edklad syntetick\u00e9ho moissanitu.<\/p>\n
Karbid krem\u00edka m\u00e1 bezfarebn\u00fd a\u017e hned\u00fd odtie\u0148 a v\u010faka ne\u010distot\u00e1m obsiahnut\u00fdm v \u017eeleze vykazuje d\u00fahov\u00fd lesk. Je vynikaj\u00facim elektrick\u00fdm vodi\u010dom a m\u00f4\u017ee dokonca vykazova\u0165 kovov\u00fa vodivos\u0165 dopovan\u00edm b\u00f3rom, fosforom alebo hlin\u00edkom.<\/p>","protected":false},"excerpt":{"rendered":"
Silicon Carbide (SiC) is a naturally occurring mineral known as “carborundum”. Additionally, an artificial form known as synthetic moissanite exists. Whetstones are classic and versatile sharpening tools, but require regular soaking prior to use and flattening to maintain an even surface. Whetstones should generally be utilized as part of a sharpening sequence beginning with an […]<\/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-224","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/224","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=224"}],"version-history":[{"count":1,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/224\/revisions"}],"predecessor-version":[{"id":225,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/posts\/224\/revisions\/225"}],"wp:attachment":[{"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/media?parent=224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/categories?post=224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicatijolart.com\/sk\/wp-json\/wp\/v2\/tags?post=224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}