{"id":3263,"date":"2021-01-21T09:51:38","date_gmt":"2021-01-21T08:51:38","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3263"},"modified":"2025-10-12T14:12:52","modified_gmt":"2025-10-12T12:12:52","slug":"bile-din-rubin","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/ro\/produsele\/bile-din-safir-si-rubin\/bile-din-rubin\/","title":{"rendered":"Bile din rubin"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Corundum\">Bile din rubin \u2013 Componente de precizie de \u00eenalt\u0103 performan\u021b\u0103<\/a><\/h2>\n<p>Bile din rubin sunt sfere de precizie fabricate din rubin sintetic (Al\u2082O\u2083:Cr), o form\u0103 cristalin\u0103 de corindon dopat\u0103 cu crom. Recunoscute pentru duritatea excep\u021bional\u0103 \u2014 a doua dup\u0103 diamant \u2014 \u0219i remarcabila rezisten\u021b\u0103 la uzur\u0103, sunt indispensabile \u00een aplica\u021bii ce necesit\u0103 durabilitate, stabilitate dimensional\u0103 \u0219i rezisten\u021b\u0103 la condi\u021bii extreme. Propriet\u0103\u021bile unice le fac ideale pentru aerospa\u021bial, instrumenta\u021bie biomedical\u0103 \u0219i inginerie de \u00eenalt vid.<\/p>\n<h3>\ud83d\udd27 Specifica\u021bii tehnice cheie<\/h3>\n<ul>\n<li><strong>Structur\u0103 cristalin\u0103<\/strong>: Monocristal hexagonal romboedric<\/li>\n<li><strong>Compozi\u021bie<\/strong>: Al\u2082O\u2083:Cr (rubin sintetic)<\/li>\n<li><strong>Puritate<\/strong>: 99,99%<\/li>\n<li><strong>Densitate<\/strong>: ~3,99 g\/cm\u00b3<\/li>\n<li><strong>Duritate Mohs<\/strong>: 9<\/li>\n<li><strong>Duritate Knoop<\/strong>: ~2200 (axa C), ~1800 (perpendicular pe axa C)<\/li>\n<li><strong>Modulul lui Young<\/strong>: ~440 GPa<\/li>\n<li><strong>Punct de topire<\/strong>: ~2050 \u00b0C<\/li>\n<li><strong>Conductivitate termic\u0103<\/strong>: ~40 W\/m\u00b7K la 300 K<\/li>\n<li><strong>Dilatare termic\u0103<\/strong>: 6,2 \u00d7 10\u207b\u2076 \/\u00b0C (paralel cu axa C), 5,4 \u00d7 10\u207b\u2076 \/\u00b0C (perpendicular)<\/li>\n<li><strong>Rezistivitate electric\u0103<\/strong>: &gt;10\u00b9\u00b2 \u03a9\u00b7cm (izolator)<\/li>\n<li><strong>Constanta dielectric\u0103<\/strong>: 10,6 (paralel cu axa C), 8,6 (perpendicular)<\/li>\n<\/ul>\n<h3>\u2705 Avantaje<\/h3>\n<ul>\n<li><strong>Duritate \u0219i rezisten\u021b\u0103 la uzur\u0103 excep\u021bionale<\/strong>: Asigur\u0103 longevitate \u00een medii cu frecare ridicat\u0103.<\/li>\n<li><strong>Stabilitate termic\u0103 ridicat\u0103<\/strong>: Func\u021bioneaz\u0103 eficient p\u00e2n\u0103 la ~2050 \u00b0C.<\/li>\n<li><strong>Inertie chimic\u0103 a bilelor din rubin<\/strong>: Rezistente la majoritatea acizilor \u0219i alcaliilor.<\/li>\n<li><strong>Stabilitate dimensional\u0103<\/strong>: \u00ce\u0219i men\u021bin forma sub stres mecanic \u0219i termic.<\/li>\n<li><strong>Izola\u021bie electric\u0103<\/strong>: Ideale pentru aplica\u021bii ce necesit\u0103 materiale neconductoare.<\/li>\n<li><strong>Claritate optic\u0103<\/strong>: Utile acolo unde transparen\u021ba este esen\u021bial\u0103.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u021bii pentru Bile din rubin<\/h3>\n<p>Bilele din rubin sunt utilizate \u00eentr-o varietate de aplica\u021bii de \u00eenalt\u0103 precizie, inclusiv:<\/p>\n<ul>\n<li><strong>Rulmen\u021bi de precizie<\/strong>: Ceasuri mecanice, giroscoape \u0219i alte instrumente ce necesit\u0103 frecare redus\u0103.<\/li>\n<li><strong>Sisteme optice<\/strong>: Conectori pentru fibr\u0103 optic\u0103, sisteme laser \u0219i dispozitive de aliniere optic\u0103.<\/li>\n<li><strong>Instrumente de m\u0103sur\u0103<\/strong>: Debitmetre, cititoare de coduri de bare \u0219i alte echipamente de metrologie.<\/li>\n<li><strong>Dispozitive aerospa\u021biale \u0219i biomedicale<\/strong>: Medii ce necesit\u0103 fiabilitate \u0219i performan\u021b\u0103 ridicate.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Clase \u0219i dimensiuni disponibile<\/h3>\n<p>Bilele din rubin sunt disponibile \u00een diverse clase \u0219i dimensiuni pentru cerin\u021be specifice:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Clase<\/strong>: G1, G2, G3, G5, G10 p\u00e2n\u0103 la G25<\/a><\/li>\n<li><strong>Dimensiuni<\/strong>: Diametre \u00eentre 0,16 mm \u0219i 10 mm; dimensiuni personalizate la cerere.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Bile din rubin \u2013 Componente de precizie de \u00eenalt\u0103 performan\u021b\u0103 Bile din rubin sunt sfere de precizie fabricate din rubin sintetic (Al\u2082O\u2083:Cr), o form\u0103 cristalin\u0103 de corindon dopat\u0103 cu crom. Recunoscute pentru duritatea excep\u021bional\u0103 \u2014 a doua dup\u0103 diamant \u2014 \u0219i remarcabila rezisten\u021b\u0103 la uzur\u0103, sunt indispensabile \u00een aplica\u021bii ce necesit\u0103 durabilitate, stabilitate dimensional\u0103 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9233,"parent":3261,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3263","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bile din rubin componente de precizie extrem de dure \u0219i rezistente<\/title>\n<meta name=\"description\" content=\"Bile din rubin sintetice ofer\u0103 duritate Mohs 9, stabilitate dimensional\u0103 \u0219i rezisten\u021b\u0103 superioar\u0103 la uzur\u0103, coroziune \u0219i temperaturi 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