Laserov\u00e9 pl\u00e1tov\u00e1n\u00ed je druh laserov\u00e9ho aditivn\u00edho v\u00fdrobn\u00edho procesu, p\u0159i kter\u00e9m se na povrch z\u00e1kladn\u00ed sou\u010d\u00e1sti nan\u00e1\u0161\u00ed vybran\u00fd pl\u00e1tovac\u00ed materi\u00e1l, kter\u00fd vytv\u00e1\u0159\u00ed metalurgickou vazbu se substr\u00e1tem. Tato povrchov\u00e1 \u00faprava v\u00fdrazn\u011b zvy\u0161uje odolnost z\u00e1kladn\u00edho materi\u00e1lu proti korozi, opot\u0159eben\u00ed, vysok\u00fdm teplot\u00e1m, oxidaci a n\u011bkter\u00fdm elektrick\u00fdm vlastnostem. Pou\u017e\u00edv\u00e1 se k \u00faprav\u011b nebo oprav\u011b povrchu obrobk\u016f zp\u016fsobem, kter\u00fd spl\u0148uje specifick\u00e9 po\u017eadavky na vlastnosti materi\u00e1l\u016f a z\u00e1rove\u0148 \u0161et\u0159\u00ed cenn\u00e9 zdroje t\u00edm, \u017ee se zamez\u00ed zbyte\u010dn\u00e9 spot\u0159eb\u011b vz\u00e1cn\u00fdch prvk\u016f.<\/p>\n\n\n\n
V sou\u010dasn\u00e9 dob\u011b, laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/a><\/strong> se uplat\u0148uje p\u0159edev\u0161\u00edm v n\u011bkolika kl\u00ed\u010dov\u00fdch oblastech: modifikace povrchu materi\u00e1l\u016f, jako jsou v\u00e1lce, lopatky plynov\u00fdch turb\u00edn, ozuben\u00e1 kola atd., za \u00fa\u010delem zv\u00fd\u0161en\u00ed jejich v\u00fdkonnosti; povrchov\u00e9 opravy v\u00fdrobk\u016f, jako jsou rotory a vrt\u00e1ky, kde n\u00e1klady na opravu \u010din\u00ed pouze asi 20% n\u00e1klad\u016f na op\u011btovnou v\u00fdrobu, co\u017e zkracuje dobu opravy a \u0159e\u0161\u00ed nal\u00e9havou pot\u0159ebu rychl\u00fdch oprav kl\u00ed\u010dov\u00fdch sou\u010d\u00e1st\u00ed pro nep\u0159etr\u017eit\u00fd a spolehliv\u00fd provoz ve velk\u00fdch podnic\u00edch. Krom\u011b toho, laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/a><\/strong> Technologie se pou\u017e\u00edv\u00e1 k nan\u00e1\u0161en\u00ed slitiny odoln\u00e9 proti opot\u0159eben\u00ed a korozi na povrch forem, \u010d\u00edm\u017e se v\u00fdrazn\u011b zvy\u0161uje \u017eivotnost t\u011bchto sou\u010d\u00e1st\u00ed.<\/p>\n\n\n\n Nej\u010dast\u011bji pou\u017e\u00edvan\u00e9 materi\u00e1ly v laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/strong> zahrnuj\u00ed slitiny na b\u00e1zi niklu, kobaltu, \u017eeleza a karbidu wolframu. Z t\u011bchto materi\u00e1l\u016f se nej\u010dast\u011bji pou\u017e\u00edvaj\u00ed materi\u00e1ly na b\u00e1zi niklu, a to d\u00edky jejich cenov\u00e9 v\u00fdhodnosti ve srovn\u00e1n\u00ed s materi\u00e1ly na b\u00e1zi kobaltu. V porovn\u00e1n\u00ed s tradi\u010dn\u00edmi metodami, jako je sva\u0159ov\u00e1n\u00ed, galvanick\u00e9 pokovov\u00e1n\u00ed, st\u0159\u00edk\u00e1n\u00ed a chemick\u00e9 napa\u0159ov\u00e1n\u00ed, laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/strong> technologie nab\u00edz\u00ed n\u00e1sleduj\u00edc\u00ed v\u00fdhody:<\/p>\n\n\n\n Rychl\u00e9 chlazen\u00ed<\/strong>: Proces rychl\u00e9ho tuhnut\u00ed umo\u017e\u0148uje obrobku dos\u00e1hnout jemnozrnn\u00e9 struktury nebo vytvo\u0159it nov\u00e9 f\u00e1ze, jako jsou nerovnov\u00e1\u017en\u00e9 nebo amorfn\u00ed stavy, kter\u00e9 nelze z\u00edskat rovnov\u00e1\u017en\u00fdmi procesy.<\/p>\n\n\n\n N\u00edzk\u00e9 z\u0159ed\u011bn\u00ed oblo\u017een\u00ed<\/strong>: Obkladov\u00fd materi\u00e1l vytv\u00e1\u0159\u00ed se substr\u00e1tem pevnou metalurgickou vazbu nebo difuzn\u00ed vazbu na rozhran\u00ed. Nastaven\u00edm parametr\u016f, jako je v\u00fdkon laseru, velikost bodu a ohniskov\u00e1 vzd\u00e1lenost, lze z\u00edskat vysoce kvalitn\u00ed povlak s \u0159\u00edzen\u00fdm slo\u017een\u00edm a \u0159ed\u011bn\u00edm.<\/p>\n\n\n\n Minim\u00e1ln\u00ed tepeln\u00e9 zkreslen\u00ed<\/strong>: P\u0159i pou\u017eit\u00ed vysok\u00e9 hustoty v\u00fdkonu pro rychl\u00e9 opl\u00e1\u0161\u0165ov\u00e1n\u00ed lze deformaci kontrolovat a omezit v r\u00e1mci mont\u00e1\u017en\u00ed tolerance d\u00edlu. Pokud je d\u00edl po pl\u00e1tov\u00e1n\u00ed podroben procesu laserov\u00e9ho vylep\u0161en\u00ed povrchu, odstran\u00ed se vnit\u0159n\u00ed pnut\u00ed a sn\u00ed\u017e\u00ed se k\u0159ehkost, \u010d\u00edm\u017e se dos\u00e1hne nejlep\u0161\u00edch v\u00fdsledk\u016f.<\/p>\n\n\n\n Flexibiln\u00ed v\u00fdb\u011br pr\u00e1\u0161ku<\/strong>: Pro pr\u00e1\u0161ky, kter\u00e9 lze pou\u017e\u00edt, neexistuj\u00ed t\u00e9m\u011b\u0159 \u017e\u00e1dn\u00e1 omezen\u00ed a podle po\u017eadavk\u016f procesu lze zvolit jak\u00fdkoli typ pr\u00e1\u0161kov\u00e9ho materi\u00e1lu, zejm\u00e9na v p\u0159\u00edpadech, kdy se na kovy s n\u00edzk\u00fdm bodem t\u00e1n\u00ed pl\u00e1tuj\u00ed slitiny s vysok\u00fdm bodem t\u00e1n\u00ed.<\/p>\n\n\n\n Selektivn\u00ed opl\u00e1\u0161t\u011bn\u00ed<\/strong>: Laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/strong> umo\u017e\u0148uje selektivn\u00ed opl\u00e1\u0161t\u011bn\u00ed, \u010d\u00edm\u017e sni\u017euje spot\u0159ebu materi\u00e1lu a z\u00e1rove\u0148 zlep\u0161uje v\u00fdkon, co\u017e z n\u011bj \u010din\u00ed ekonomicky efektivn\u00ed \u0159e\u0161en\u00ed.<\/p>\n\n\n\n Dosa\u017een\u00ed t\u011b\u017eko dostupn\u00fdch oblast\u00ed<\/strong>: Laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/strong> lze aplikovat na obt\u00ed\u017en\u011b p\u0159\u00edstupn\u00e9 oblasti, pokud laserov\u00fd bod a pr\u00e1\u0161ek dos\u00e1hnou do po\u017eadovan\u00fdch oblast\u00ed.<\/p>\n\n\n\n \u0160irok\u00fd rozsah tlou\u0161\u0165ky oblo\u017een\u00ed<\/strong>: Tlou\u0161\u0165ku pl\u00e1tovac\u00ed vrstvy lze m\u011bnit a stejn\u00e1 plocha m\u016f\u017ee proj\u00edt v\u00edce pr\u016fchody pl\u00e1tov\u00e1n\u00ed, \u010d\u00edm\u017e se zv\u00fd\u0161\u00ed kvalita povlaku.<\/p>\n\n\n\n Po\u0161kozen\u00ed sou\u010d\u00e1st\u00ed, zejm\u00e9na hnac\u00edch h\u0159\u00eddel\u00ed, \u010dasto zahrnuje nepravideln\u00e9 opot\u0159eben\u00ed na r\u016fzn\u00fdch m\u00edstech, jako jsou lo\u017eiskov\u00e1 sedla a exponovan\u00e1 m\u00edsta. Dokonce i d\u00edly, kter\u00e9 jsou \u010dasto opot\u0159ebovan\u00e9 nebo zkorodovan\u00e9, mohou vykazovat po\u0161kozen\u00ed pouze v ur\u010dit\u00fdch oblastech. Mnoho povrch\u016f m\u016f\u017ee m\u00edt tak\u00e9 nekruhov\u00e9 a neline\u00e1rn\u00ed charakteristiky, co\u017e vy\u017eaduje proces opl\u00e1\u0161\u0165ov\u00e1n\u00ed, kter\u00fd se dok\u00e1\u017ee p\u0159izp\u016fsobit v\u00edce orientac\u00edm v r\u00e1mci jedn\u00e9 operace. To je obzvl\u00e1\u0161t\u011b n\u00e1ro\u010dn\u00e9 pro tradi\u010dn\u00ed p\u0159\u00edmo\u010dar\u00e9 stroje, ale roboty s mechanick\u00fdmi rameny mohou simulovat pohyby podobn\u00e9 lidsk\u00fdm, aby takov\u00e9 \u00fakoly zvl\u00e1dly, co\u017e je laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/strong> ide\u00e1ln\u00ed pro d\u00edly s nekruhov\u00fdmi a neline\u00e1rn\u00edmi rysy. Jako nosi\u010de pohybu p\u0159i pl\u00e1tov\u00e1n\u00ed se st\u00e1le b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed tradi\u010dn\u00ed obr\u00e1b\u011bc\u00ed stroje, zejm\u00e9na CNC soustruhy.<\/p>\n\n\n\n V sou\u010dasn\u00e9 dob\u011b, laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/strong> se \u0161iroce pou\u017e\u00edv\u00e1 v pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je stavba lod\u00ed a d\u016fln\u00edch stroj\u016f, zejm\u00e9na p\u0159i v\u00fdrob\u011b nebo oprav\u00e1ch kl\u00ed\u010dov\u00fdch velk\u00fdch pohybliv\u00fdch d\u00edl\u016f. Schopnost rychle opravit a vylep\u0161it tyto kritick\u00e9 sou\u010d\u00e1sti je v t\u011bchto odv\u011btv\u00edch v\u00fdznamnou v\u00fdhodou, proto\u017ee minimalizuje prostoje a prodlu\u017euje \u017eivotnost drah\u00fdch stroj\u016f.<\/p>","protected":false},"excerpt":{"rendered":" Laser cladding is a type of laser additive manufacturing process, where a selected cladding material is applied to the surface of a base component, forming a metallurgical bond with the substrate. This surface coating significantly enhances the base material\u2019s resistance to corrosion, wear, high temperatures, oxidation, and certain electrical properties. It is used to modify […]<\/p>\n","protected":false},"author":1,"featured_media":5030,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,3],"tags":[102],"table_tags":[],"class_list":["post-5031","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-professional-knowledge","category-blog","tag-sheldon-li"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/posts\/5031","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/comments?post=5031"}],"version-history":[{"count":2,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/posts\/5031\/revisions"}],"predecessor-version":[{"id":5236,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/posts\/5031\/revisions\/5236"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/media\/5030"}],"wp:attachment":[{"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/media?parent=5031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/categories?post=5031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/tags?post=5031"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/cs\/wp-json\/wp\/v2\/table_tags?post=5031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}B\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 materi\u00e1ly pro laserov\u00e9 opl\u00e1\u0161t\u011bn\u00ed<\/strong><\/strong><\/h5>\n\n\n\n
Laserov\u00e9 pl\u00e1tov\u00e1n\u00ed p\u0159i oprav\u00e1ch a \u00fadr\u017eb\u011b sou\u010d\u00e1st\u00ed<\/strong><\/strong><\/h5>\n\n\n\n
Pr\u016fmyslov\u00e9 aplikace laserov\u00e9ho pl\u00e1tov\u00e1n\u00ed<\/strong><\/strong><\/h5>\n\n\n\n