{"id":10502,"date":"2020-03-01T21:24:28","date_gmt":"2020-03-01T20:24:28","guid":{"rendered":"https:\/\/svetkamene.eu\/?p=10502"},"modified":"2022-06-27T21:24:28","modified_gmt":"2022-06-27T19:24:28","slug":"diamantove-nastroje-pro-zpracovani-betonovych-a-kamennych-podlah","status":"publish","type":"post","link":"https:\/\/svetkamene.eu\/index.php\/cs\/2020\/03\/01\/diamantove-nastroje-pro-zpracovani-betonovych-a-kamennych-podlah\/","title":{"rendered":"DIAMANTOV\u00c9 N\u00c1STROJE PRO ZPRACOV\u00c1N\u00cd BETONOV\u00ddCH A KAMENN\u00ddCH PODLAH"},"content":{"rendered":"

V posledn\u00edch letech roste popt\u00e1vka po kovov\u011b-diamantov\u00fdch n\u00e1stroj\u00edch pou\u017e\u00edvan\u00fdch k \u00faprav\u00e1m betonov\u00fdch a kamenn\u00fdch povrch\u016f. Velk\u00fd v\u00fdznam pro jejich rozvoj m\u011blo z\u0159\u00edzen\u00ed mnoha soukrom\u00fdch kamenick\u00fdch tov\u00e1ren, zv\u00fd\u0161en\u00ed v\u00fdroby r\u016fzn\u00fdch druh\u016f obklad\u016f, zdiva, podlah, dla\u017eeb z materi\u00e1l\u016f, jako je \u017eula, mramor, p\u00edskovec, v\u00e1penec nebo beton.<\/strong><\/p>\n

 <\/p>\n

Kl\u00ed\u010dov\u00fdm prvkem p\u0159i konstrukci kovov\u011b-diamantov\u00e9ho n\u00e1stroje je matrice, kter\u00e1 by m\u011bla vykazovat vysokou schopnost udr\u017eet diamantov\u00e9 \u010d\u00e1sti a z\u00e1rove\u0148 se opot\u0159ebov\u00e1vat rychlost\u00ed srovnatelnou s rychlost\u00ed jejich opot\u0159eben\u00ed.<\/p>\n

Kobalt a jeho slitiny se \u0161iroce pou\u017e\u00edvaj\u00ed jako matricov\u00fd materi\u00e1l d\u00edky sv\u00fdm velmi dobr\u00fdm reten\u010dn\u00edm vlastnostem a dostate\u010dn\u00e9 odolnosti proti abrazivn\u00edmu opot\u0159eben\u00ed. Nev\u00fdhodou kobaltu je v\u0161ak jeho vysok\u00e1 a nestabiln\u00ed cena, proto v reakci na rostouc\u00ed cenu komer\u010dn\u00edch pr\u00e1\u0161k\u016f Co-20%WC (kobalt s 20% obsahem karbidu wolframu) a Fe-Cu-Co-WC (ze soustavy \u017eelezo-m\u011b\u010f-kobalt a karbid wolframu), kter\u00e9 se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed p\u0159i v\u00fdrob\u011b profesion\u00e1ln\u00edch kovo-diamantov\u00fdch n\u00e1stroj\u016f pro povrchovou \u00fapravu betonu a kamene, byl proveden v\u00fdzkum s c\u00edlem vytvo\u0159it levn\u011bj\u0161\u00ed matrici, kter\u00e1 by umo\u017enila eliminovat dosud pou\u017e\u00edvan\u00e9 materi\u00e1ly.<\/p>\n

V\u00fdzkum byl prov\u00e1d\u011bn tak\u00e9 s ohledem na skute\u010dnost, \u017ee v sou\u010dasn\u00e9 dob\u011b se hlavn\u00edm surovinov\u00fdm faktorem ur\u010duj\u00edc\u00edm cenu n\u00e1stroje stala cena matrice. Jej\u00ed pod\u00edl na n\u00e1kladech na suroviny pot\u0159ebn\u00e9 k v\u00fdrob\u011b jednoho segmentu kovu a diamantu o rozm\u011brech 40 \u00d7 10 \u00d7 10 mm dosahuje 80 %, zat\u00edmco v 90. letech 20. stolet\u00ed to bylo 7-18 % (obr. 1).<\/p>\n

\"\"
Obr. 1. Pod\u00edl materi\u00e1lov\u00fdch n\u00e1klad\u016f v cen\u011b n\u00e1stroje v obdob\u00ed 1993-2019<\/figcaption><\/figure>\n

 <\/p>\n

Zdroj: Kurier kamieniarski<\/a><\/span><\/p>\n

Autor: El\u017cbieta Cygan-B\u0105czek <\/span>  |   Publikov\u00e1no: 03. 03. 2021<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

V posledn\u00edch letech roste popt\u00e1vka po kovov\u011b-diamantov\u00fdch n\u00e1stroj\u00edch pou\u017e\u00edvan\u00fdch k \u00faprav\u00e1m betonov\u00fdch a kamenn\u00fdch povrch\u016f. Velk\u00fd v\u00fdznam pro…<\/p>\n","protected":false},"author":40,"featured_media":10641,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[364],"tags":[],"yoast_head":"\nDIAMANTOV\u00c9 N\u00c1STROJE PRO ZPRACOV\u00c1N\u00cd BETONOV\u00ddCH A KAMENN\u00ddCH PODLAH - Sv\u011bt Kamene<\/title>\n<meta name=\"description\" content=\"V posledn\u00edch letech roste popt\u00e1vka po kovov\u011b-diamantov\u00fdch n\u00e1stroj\u00edch pou\u017e\u00edvan\u00fdch k \u00faprav\u00e1m betonov\u00fdch a kamenn\u00fdch povrch\u016f.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kurierkamieniarski.pl\/artykuly\/technologie\/1322-2021-03-03-09-11-15.html\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DIAMANTOV\u00c9 N\u00c1STROJE PRO ZPRACOV\u00c1N\u00cd BETONOV\u00ddCH A KAMENN\u00ddCH PODLAH - 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