{"id":2069,"date":"2026-05-08T07:26:44","date_gmt":"2026-05-08T07:26:44","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?post_type=product&p=2069"},"modified":"2026-05-08T07:32:10","modified_gmt":"2026-05-08T07:32:10","slug":"silicon-carbide-ceramic-bearing-balls-high-wear-and-corrosion-resistance-for-industrial-applications","status":"publish","type":"product","link":"https:\/\/www.xkh-ceramics.com\/cs\/product\/silicon-carbide-ceramic-bearing-balls-high-wear-and-corrosion-resistance-for-industrial-applications\/","title":{"rendered":"Keramick\u00e9 lo\u017eiskov\u00e9 kuli\u010dky z karbidu k\u0159em\u00edku s vysokou odolnost\u00ed proti opot\u0159eben\u00ed a korozi pro pr\u016fmyslov\u00e9 aplikace"},"content":{"rendered":"

\"\"Keramick\u00e9 lo\u017eiskov\u00e9 kuli\u010dky z karbidu k\u0159em\u00edku (SiC) jsou vysoce v\u00fdkonn\u00e9 keramick\u00e9 sou\u010d\u00e1sti ur\u010den\u00e9 pro aplikace vy\u017eaduj\u00edc\u00ed vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed, korozi a stabilitu p\u0159i vysok\u00fdch teplot\u00e1ch.<\/p>\n

Ve srovn\u00e1n\u00ed s b\u011b\u017en\u00fdmi ocelov\u00fdmi lo\u017eiskov\u00fdmi kuli\u010dkami maj\u00ed keramick\u00e9 kuli\u010dky SiC ni\u017e\u0161\u00ed hustotu, vy\u0161\u0161\u00ed tvrdost a lep\u0161\u00ed chemickou stabilitu. D\u00edky t\u011bmto vlastnostem jsou vhodn\u00e9 pro n\u00e1ro\u010dn\u00e1 provozn\u00ed prost\u0159ed\u00ed zahrnuj\u00edc\u00ed vysok\u00e9 rychlosti, vysok\u00e9 teploty, korozivn\u00ed m\u00e9dia nebo trval\u00e9 mechanick\u00e9 opot\u0159eben\u00ed.<\/p>\n

Keramick\u00e9 lo\u017eiskov\u00e9 kuli\u010dky SiC se \u0161iroce pou\u017e\u00edvaj\u00ed v p\u0159esn\u00fdch lo\u017eisc\u00edch, polovodi\u010dov\u00fdch za\u0159\u00edzen\u00edch, syst\u00e9mech chemick\u00e9ho zpracov\u00e1n\u00ed, leteck\u00fdch komponentech a pr\u016fmyslov\u00fdch stroj\u00edch.<\/p>\n

\n

Charakteristika materi\u00e1lu<\/h2>\n

Vysok\u00e1 tvrdost a odolnost proti opot\u0159eben\u00ed<\/h3>\n

Keramika z karbidu k\u0159em\u00edku m\u00e1 extr\u00e9mn\u011b vysokou tvrdost, kter\u00e1 zaji\u0161\u0165uje vynikaj\u00edc\u00ed odolnost proti ot\u011bru a mechanick\u00e9mu opot\u0159eben\u00ed p\u0159i dlouhodob\u00e9m provozu.<\/p>\n

Odolnost proti korozi<\/h3>\n

Keramika SiC se dob\u0159e chov\u00e1 v kysel\u00e9m, z\u00e1sadit\u00e9m a chemicky agresivn\u00edm prost\u0159ed\u00ed, tak\u017ee je vhodn\u00e1 pro chemick\u00e9 a pr\u016fmyslov\u00e9 syst\u00e9my.<\/p>\n

Stabilita p\u0159i vysok\u00fdch teplot\u00e1ch<\/h3>\n

Materi\u00e1l si zachov\u00e1v\u00e1 stabiln\u00ed mechanick\u00e9 vlastnosti za zv\u00fd\u0161en\u00fdch teplot a podm\u00ednek tepeln\u00e9ho cyklov\u00e1n\u00ed.<\/p>\n

N\u00edzk\u00e1 hustota a n\u00edzk\u00e9 t\u0159en\u00ed<\/h3>\n

V porovn\u00e1n\u00ed s ocelov\u00fdmi kuli\u010dkami jsou keramick\u00e9 kuli\u010dky SiC leh\u010d\u00ed a pom\u00e1haj\u00ed sni\u017eovat setrva\u010dnost ot\u00e1\u010den\u00ed a t\u0159en\u00ed p\u0159i provozu.<\/p>\n

Tepeln\u00e1 vodivost<\/h3>\n

Karbid k\u0159em\u00edku m\u00e1 v porovn\u00e1n\u00ed s mnoha jin\u00fdmi technick\u00fdmi keramikami pom\u011brn\u011b vysokou tepelnou vodivost, co\u017e pom\u00e1h\u00e1 odv\u00e1d\u011bt teplo p\u0159i vysokorychlostn\u00edch aplikac\u00edch.<\/p>\n

\n

V\u00fdrobn\u00ed proces<\/h2>\n

P\u0159\u00edprava pr\u00e1\u0161ku<\/h3>\n

Pr\u00e1\u0161ek karbidu k\u0159em\u00edku vysok\u00e9 \u010distoty je zpracov\u00e1v\u00e1n tak, aby byla zaji\u0161t\u011bna konzistence materi\u00e1lu a struktur\u00e1ln\u00ed stabilita.<\/p>\n

Tvarov\u00e1n\u00ed a sp\u00e9k\u00e1n\u00ed<\/h3>\n

Keramick\u00e9 kuli\u010dky jsou tvarov\u00e1ny a slinov\u00e1ny za kontrolovan\u00fdch vysokoteplotn\u00edch podm\u00ednek, aby bylo dosa\u017eeno vysok\u00e9 hustoty a mechanick\u00e9 pevnosti.<\/p>\n

P\u0159esn\u00e9 brou\u0161en\u00ed a le\u0161t\u011bn\u00ed<\/h3>\n

Ka\u017ed\u00e1 kuli\u010dka proch\u00e1z\u00ed p\u0159esn\u00fdm brou\u0161en\u00edm a le\u0161t\u011bn\u00edm, aby byla zaji\u0161t\u011bna kulatost, hladkost povrchu a rozm\u011brov\u00e1 p\u0159esnost.<\/p>\n

Kontrola kvality<\/h3>\n

Hotov\u00e9 v\u00fdrobky jsou p\u0159ed odesl\u00e1n\u00edm kontrolov\u00e1ny z hlediska rozm\u011brov\u00e9 tolerance, celistvosti povrchu a konzistence materi\u00e1lu.<\/p>\n

\n

Technick\u00e9 specifikace<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parametr<\/th>\nHodnota<\/th>\n<\/tr>\n<\/thead>\n
Materi\u00e1l<\/td>\nKarbid k\u0159em\u00edku (SiC)<\/td>\n<\/tr>\n
Purity<\/td>\n95% - 99%<\/td>\n<\/tr>\n
Barva<\/td>\n\u010cern\u00e1<\/td>\n<\/tr>\n
Hustota<\/td>\n3,05 - 3,15 g\/cm\u00b3<\/td>\n<\/tr>\n
Rozsah velikost\u00ed<\/td>\n0,8 mm - 60 mm<\/td>\n<\/tr>\n
Maxim\u00e1ln\u00ed provozn\u00ed teplota<\/td>\nDo 1550 \u00b0C<\/td>\n<\/tr>\n
Tepeln\u00e1 vodivost<\/td>\n120 W\/m-K p\u0159i 20 \u00b0C<\/td>\n<\/tr>\n
Pevnost v ohybu<\/td>\nA\u017e 400 MPa<\/td>\n<\/tr>\n
Pevnost v tlaku<\/td>\nA\u017e 2200 MPa<\/td>\n<\/tr>\n
Povrchov\u00e1 \u00faprava<\/td>\nP\u0159esn\u00e9 le\u0161t\u011bn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

Srovn\u00e1n\u00ed t\u0159\u00edd materi\u00e1lu<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n
Majetek<\/th>\nRekrystalizovan\u00fd SiC<\/th>\nSlinut\u00fd SiC<\/th>\nReak\u010dn\u011b v\u00e1zan\u00fd SiC<\/th>\n<\/tr>\n<\/thead>\n
Purity<\/td>\n99.5%<\/td>\n98%<\/td>\n>88%<\/td>\n<\/tr>\n
Provozn\u00ed teplota<\/td>\n1650\u00b0C<\/td>\n1550\u00b0C<\/td>\n1300\u00b0C<\/td>\n<\/tr>\n
Hustota<\/td>\n2,7 g\/cm\u00b3<\/td>\n3,1 g\/cm\u00b3<\/td>\n>3 g\/cm\u00b3<\/td>\n<\/tr>\n
Pevnost v ohybu<\/td>\n110 MPa<\/td>\n400 MPa<\/td>\n380 MPa<\/td>\n<\/tr>\n
Pevnost v tlaku<\/td>\n>300 MPa<\/td>\n2200 MPa<\/td>\n2100 MPa<\/td>\n<\/tr>\n
Tepeln\u00e1 vodivost<\/td>\n35-36 W\/m-K<\/td>\n110 W\/m-K<\/td>\n65 W\/m-K<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

Aplikace<\/h2>\n

Lo\u017eiskov\u00e9 syst\u00e9my<\/h3>\n

Pou\u017e\u00edv\u00e1 se ve vysokorychlostn\u00edch a vysoce zat\u00ed\u017een\u00fdch lo\u017eiskov\u00fdch syst\u00e9mech vy\u017eaduj\u00edc\u00edch n\u00edzk\u00e9 t\u0159en\u00ed a odolnost proti opot\u0159eben\u00ed.<\/p>\n

Polovodi\u010dov\u00e1 za\u0159\u00edzen\u00ed<\/h3>\n

Vhodn\u00e9 pro syst\u00e9my manipulace s desti\u010dkami, vakuov\u00e1 za\u0159\u00edzen\u00ed a \u010dist\u00e1 procesn\u00ed prost\u0159ed\u00ed.<\/p>\n

Chemick\u00e9 zpracov\u00e1n\u00ed<\/h3>\n

Pou\u017e\u00edv\u00e1 se v \u010derpadlech, ventilech, t\u011bsn\u011bn\u00edch a rotuj\u00edc\u00edch sou\u010d\u00e1stech vystaven\u00fdch korozivn\u00edm m\u00e9di\u00edm.<\/p>\n

Leteck\u00e9 a pr\u016fmyslov\u00e9 stroje<\/h3>\n

Pou\u017e\u00edv\u00e1 se ve vysokoteplotn\u00edch a vysoce v\u00fdkonn\u00fdch mechanick\u00fdch syst\u00e9mech.<\/p>\n

P\u0159esn\u00e9 mechanick\u00e9 sou\u010d\u00e1sti<\/h3>\n

Vhodn\u00e9 pro syst\u00e9my vy\u017eaduj\u00edc\u00ed stabiln\u00ed rozm\u011bry a sn\u00ed\u017een\u00e9 mechanick\u00e9 opot\u0159eben\u00ed.<\/p>\n

\"\"<\/p>\n

\n

Mo\u017enosti p\u0159izp\u016fsoben\u00ed<\/h2>\n

Rozsah velikost\u00ed<\/h3>\n

Standardn\u00ed rozm\u011bry od 0,8 mm do 60 mm, k dispozici jsou i rozm\u011bry na zak\u00e1zku.<\/p>\n

P\u0159esnost povrchu<\/h3>\n

P\u0159esn\u00e9 brou\u0161en\u00ed a le\u0161t\u011bn\u00ed podle po\u017eadavk\u016f aplikace.<\/p>\n

V\u00fdb\u011br materi\u00e1lu<\/h3>\n

K dispozici jsou r\u016fzn\u00e9 druhy SiC v z\u00e1vislosti na teplot\u011b, pevnosti a po\u017eadavc\u00edch na korozi.<\/p>\n

Slu\u017eba OEM<\/h3>\n

Podpora zak\u00e1zkov\u00fdch specifikac\u00ed a s\u00e9riov\u00e9 v\u00fdroby pro pr\u016fmyslov\u00e9 aplikace.<\/p>\n

\n

V\u00fdhody<\/h2>\n

Vysok\u00e1 tvrdost a vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed<\/p>\n

Dobr\u00e1 odolnost proti korozi v drsn\u00e9m prost\u0159ed\u00ed<\/p>\n

Stabiln\u00ed v\u00fdkon p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch<\/p>\n

Ni\u017e\u0161\u00ed hustota ve srovn\u00e1n\u00ed s ocelov\u00fdmi lo\u017eiskov\u00fdmi kuli\u010dkami<\/p>\n

Sn\u00ed\u017een\u00ed t\u0159en\u00ed a zlep\u0161en\u00ed provozn\u00ed efektivity<\/p>\n

Vhodn\u00e9 pro p\u0159esn\u00e9 a vysokorychlostn\u00ed aplikace<\/p>\n

\n

Balen\u00ed a kontrola kvality<\/h2>\n

V\u00fdrobky jsou baleny do ochrann\u00fdch obalov\u00fdch materi\u00e1l\u016f, aby nedo\u0161lo k jejich po\u0161kozen\u00ed b\u011bhem p\u0159epravy.<\/p>\n

Ka\u017ed\u00e1 \u0161ar\u017ee proch\u00e1z\u00ed rozm\u011brovou kontrolou a testov\u00e1n\u00edm kvality povrchu, aby byla zaji\u0161t\u011bna konzistence a spolehlivost v\u00fdrobku.<\/p>\n

\n

\u010cASTO KLADEN\u00c9 DOTAZY<\/h2>\n

1. K \u010demu se pou\u017e\u00edvaj\u00ed keramick\u00e9 lo\u017eiskov\u00e9 kuli\u010dky z karbidu k\u0159em\u00edku?<\/h3>\n

Pou\u017e\u00edvaj\u00ed se hlavn\u011b ve vysokorychlostn\u00edch lo\u017eisk\u00e1ch, polovodi\u010dov\u00fdch za\u0159\u00edzen\u00edch, syst\u00e9mech chemick\u00e9ho zpracov\u00e1n\u00ed a pr\u016fmyslov\u00fdch stroj\u00edch vy\u017eaduj\u00edc\u00edch odolnost proti opot\u0159eben\u00ed a korozi.<\/p>\n

2. Jak\u00e9 v\u00fdhody maj\u00ed keramick\u00e9 kuli\u010dky SiC ve srovn\u00e1n\u00ed s ocelov\u00fdmi kuli\u010dkami?<\/h3>\n

Keramick\u00e9 kuli\u010dky SiC jsou leh\u010d\u00ed, tvrd\u0161\u00ed, odoln\u011bj\u0161\u00ed proti korozi a vhodn\u011bj\u0161\u00ed pro vysokoteplotn\u00ed aplikace.<\/p>\n

3. Lze vyrobit zak\u00e1zkov\u00e9 velikosti<\/h3>\n

Ano. Podle po\u017eadavk\u016f aplikace lze vyrobit vlastn\u00ed pr\u016fm\u011bry a p\u0159esn\u00e9 t\u0159\u00eddy.<\/p>\n

4. Jsou keramick\u00e9 kuli\u010dky SiC vhodn\u00e9 do korozivn\u00edho prost\u0159ed\u00ed?<\/h3>\n

Ano, karbid k\u0159em\u00edku m\u00e1 dobrou chemickou stabilitu a dob\u0159e funguje v mnoha korozivn\u00edch prost\u0159ed\u00edch.<\/p>\n

5. Jak by m\u011bly b\u00fdt skladov\u00e1ny keramick\u00e9 lo\u017eiskov\u00e9 kuli\u010dky<\/h3>\n

M\u011bly by b\u00fdt skladov\u00e1ny v \u010dist\u00e9m a such\u00e9m prost\u0159ed\u00ed a chr\u00e1n\u011bny p\u0159ed zne\u010di\u0161t\u011bn\u00edm nebo mechanick\u00fdmi n\u00e1razy.<\/p>","protected":false},"excerpt":{"rendered":"

Keramick\u00e9 lo\u017eiskov\u00e9 kuli\u010dky z karbidu k\u0159em\u00edku (SiC) jsou vysoce v\u00fdkonn\u00e9 keramick\u00e9 sou\u010d\u00e1sti ur\u010den\u00e9 pro aplikace vy\u017eaduj\u00edc\u00ed vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed, korozi a stabilitu p\u0159i vysok\u00fdch teplot\u00e1ch.<\/p>","protected":false},"featured_media":2074,"comment_status":"open","ping_status":"closed","template":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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":"","background-image":"","background-repeat":"repeat","background-position":"center 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