{"id":255012,"date":"2021-03-02T08:54:27","date_gmt":"2021-03-02T13:54:27","guid":{"rendered":"https:\/\/apimetrology.com\/?p=255012"},"modified":"2023-08-14T03:53:04","modified_gmt":"2023-08-14T07:53:04","slug":"mesures-de-precision-a-haute-altitude","status":"publish","type":"post","link":"https:\/\/apimetrology.com\/fr\/mesures-de-precision-a-haute-altitude\/","title":{"rendered":"Mesures de pr\u00e9cision \u00e0 haute altitude"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Radian Plus aide CITIC \u00e0 effectuer avec succ\u00e8s des mesures de pr\u00e9cision \u00e0 haute altitude<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Laser Tracker d&#8217;API pr\u00e9cis sur la v\u00e9rification des broyeurs \u00e0 boulets dans les montagnes du Tibet<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Les fabricants doivent respecter leurs tol\u00e9rances, quel que soit l&#8217;environnement dans lequel ils mesurent. En r\u00e8gle g\u00e9n\u00e9rale, lorsque nous examinons les impacts environnementaux sur la mesure laser, l&#8217;accent est mis sur les niveaux de temp\u00e9rature et d&#8217;humidit\u00e9. Les hautes altitudes, cependant, peuvent pr\u00e9senter leurs propres d\u00e9fis pour la mesure laser, car l&#8217;air plus mince peut affecter la forme du laser. Mais m\u00eame pour les Laser Trackers qui ont \u00e9t\u00e9 test\u00e9s \u00e0 haute altitude, lorsque CITIC avait besoin de mesurer la coaxialit\u00e9 et la diff\u00e9rence de hauteur horizontale dans un broyeur \u00e0 boulets \u00e0 une altitude de plus de 4400 m, c&#8217;\u00e9tait un d\u00e9fi sans pr\u00e9c\u00e9dent pour la technologie. Mais en utilisant le Radian Plus Laser Tracker d&#8217;API, CITIC a pu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compl\u00e9tez leurs mesures \u00e0 haute altitude sans perdre en pr\u00e9cision<\/li>\n\n\n\n<li>Assurer la pr\u00e9cision du broyeur \u00e0 boulets \u00e0 moins de 0,5 mm<\/li>\n\n\n\n<li>Effectuer toutes les mesures dans un espace limit\u00e9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CITIC Heavy Industries Company Ltd (CITIC HIC) a vu le jour en 1956 sous le nom de Luoyang Mining Machinery Plant, \u00e0 Luoyang en Chine. CITIC Heavy Industry Machinery Co., Ltd. est une entreprise de haute technologie innovante au niveau de l&#8217;\u00c9tat en Chine; une entreprise de base d&#8217;\u00e9quipement lourd en Chine; et une base de recherche, de d\u00e9veloppement et d&#8217;industrialisation de premier plan de robots sp\u00e9ciaux en Chine. CITIC Heavy Industries poss\u00e8de le premier laboratoire cl\u00e9 national et le premier centre national de conception industrielle en Chine dans le domaine des \u00e9quipements miniers lourds, ainsi qu&#8217;un centre national d&#8217;analyse et de v\u00e9rification de la s\u00e9curit\u00e9 pour les nouveaux mat\u00e9riaux d&#8217;\u00e9quipement minier. CITIC Heavy Industries poss\u00e8de les principales capacit\u00e9s de traitement et de fabrication de machines lourdes haut de gamme au monde, des produits impliqu\u00e9s dans les machines mini\u00e8res, les \u00e9quipements lourds, les \u00e9quipements sp\u00e9ciaux, les robots industriels, la fabrication intelligente et d&#8217;autres domaines, avec des produits utilis\u00e9s dans le monde entier.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>T\u00e2ches de mesure de pr\u00e9cision dans des conditions extr\u00eames<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">CITIC Heavy a mis en place une \u00e9quipe d&#8217;inspection qualit\u00e9 exp\u00e9riment\u00e9e et bien \u00e9quip\u00e9e qui coop\u00e8re avec les d\u00e9partements de fabrication et de maintenance pour effectuer des tests de produits en usine ou sur le site de l&#8217;utilisateur, afin de fournir des garanties de donn\u00e9es fiables pour l&#8217;installation et le d\u00e9bogage de leurs produits et mieux servir leurs clients.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour soutenir ces efforts d&#8217;inspection de la qualit\u00e9, CITIC a achet\u00e9 un Laser Tracker Radian Plus d&#8217;API en 2017. Les Laser Trackers Radian d&#8217;API sont les Laser Trackers les plus petits, les plus l\u00e9gers et les plus pr\u00e9cis du march\u00e9. Radian Plus offre des mesures enti\u00e8rement portables avec des mesures sans fil aliment\u00e9es par batterie qui fonctionnent avec la gamme compl\u00e8te des accessoires d&#8217;API (comme vProbe, iScan et Active Target). Le Plus a travaill\u00e9 de mani\u00e8re fiable pour CITIC, mais cette fois, le service d&#8217;inspection de la qualit\u00e9 a \u00e9t\u00e9 charg\u00e9 de tester un broyeur \u00e0 boulets dans des conditions environnementales extr\u00eames.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les broyeurs \u00e0 boulets sont des \u00e9quipements cl\u00e9s pour le broyage ou le m\u00e9lange de mat\u00e9riaux apr\u00e8s le concassage. Ils sont largement utilis\u00e9s dans l&#8217;exploitation mini\u00e8re, le m\u00e9lange de ciment et d&#8217;autres applications. En production et en fonctionnement, les broyeurs \u00e0 boulets sont indissociables du contr\u00f4le de leurs processus et de la pr\u00e9cision de l&#8217;installation, en particulier dans les op\u00e9rations de broyage. Il est n\u00e9cessaire d&#8217;effectuer des contr\u00f4les r\u00e9guliers de l&#8217;\u00e9tat de fonctionnement du broyeur: principalement pour mesurer la coaxialit\u00e9 des deux extr\u00e9mit\u00e9s des pi\u00e8ces d&#8217;appui du broyeur et la diff\u00e9rence de hauteur horizontale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les difficult\u00e9s de cette mesure de moulin particuli\u00e8re pour CITIC \u00e9taient:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L&#8217;erreur de mesure de la coaxialit\u00e9 du roulement \u00e9tait inf\u00e9rieure \u00e0 0,5 mm;<\/li>\n\n\n\n<li>L&#8217;erreur de hauteur horizontale des pi\u00e8ces d&#8217;appui aux deux extr\u00e9mit\u00e9s du broyeur d&#8217;une longueur de 8 m\u00e8tres devait \u00eatre inf\u00e9rieure \u00e0 0,6 mm.<\/li>\n\n\n\n<li>L&#8217;espace de travail \u00e9tait limit\u00e9, de sorte que les mesures de pr\u00e9cision devaient \u00eatre effectu\u00e9es dans des espaces restreints.<\/li>\n\n\n\n<li>Le site de fabrication est situ\u00e9 dans le canton de Jiama, Mozhugongka, \u00e0 68 kilom\u00e8tres de la ville de Lhassa, province du Tibet, Chine, \u00e0 une altitude de 4000-5407 m\u00e8tres.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">La solution API<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u00abBien que la t\u00e2che de mesure se d\u00e9roule dans des conditions extr\u00eames\u00bb, a d\u00e9clar\u00e9 M. Zhang Linwei, responsable du service qualit\u00e9 pour CITIC Heavy Industry, \u00abnous devons toujours garantir la fiabilit\u00e9 des donn\u00e9es mesur\u00e9es et, en attendant, nous devons tenir compte de l&#8217;efficacit\u00e9 et de la flexibilit\u00e9. . En cons\u00e9quence, nous avons choisi d&#8217;utiliser notre Laser Tracker Radian Plus pour effectuer ces t\u00e2ches de mesure. &#8220;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ils ont choisi le Radian Plus en raison de leur satisfaction au fil des ans. \u00abLa pr\u00e9cision de l&#8217;API Radian Plus Laser Tracker est tr\u00e8s \u00e9lev\u00e9e\u00bb, a poursuivi M. Zhang. \u00abSon niveau de pr\u00e9cision au micron pourrait pleinement r\u00e9pondre \u00e0 nos exigences de mesure pour une erreur coaxiale inf\u00e9rieure \u00e0 0,5 mm et une diff\u00e9rence de hauteur de niveau de roulement inf\u00e9rieure \u00e0 0,6 mm. peut \u00eatre mont\u00e9 sur un tr\u00e9pied ou magn\u00e9tiquement, et peut fonctionner \u00e0 la fois lat\u00e9ralement et \u00e0 l&#8217;envers, \u00e9conomisant de l&#8217;espace. &#8220;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais m\u00eame avec les performances \u00e9prouv\u00e9es de Plus, le travail n&#8217;\u00e9tait toujours pas une certitude. &#8220;Le site du client est \u00e0 une altitude de 4415 m\u00e8tres, et nous n&#8217;avions aucune exp\u00e9rience de l&#8217;utilisation d&#8217;\u00e9quipements de mesure de pr\u00e9cision dans un endroit aussi \u00e9lev\u00e9&#8221;, a ajout\u00e9 M. Zhang. &#8220;J&#8217;ai demand\u00e9 \u00e0 des experts de notre entreprise ainsi qu&#8217;\u00e0 des amis qui travaillent. dans le m\u00eame domaine. On m&#8217;a dit qu&#8217;il n&#8217;y avait pas de pr\u00e9c\u00e9dent ou de r\u00e9f\u00e9rence pour l&#8217;utilisation d&#8217;un Laser Tracker pour travailler dans une zone aussi \u00e9lev\u00e9e. Cependant, l&#8217;utilisation de m\u00e9thodes de mesure alternatives aurait consid\u00e9rablement r\u00e9duit notre efficacit\u00e9 de travail. Donc, au d\u00e9but, nous ne savions pas si le tracker serait capable de le g\u00e9rer! Mais, lorsque nous avons configur\u00e9 notre Plus et mis sous tension, nous avons constat\u00e9 que nos pr\u00e9occupations \u00e9taient totalement infond\u00e9es, le tracker fonctionnait parfaitement, avec des r\u00e9ponses rapides, pr\u00e9cises et stables. mesure des donn\u00e9es. Nos clients louaient constamment notre Laser Tracker &#8220;haute altitude, haute pr\u00e9cision!&#8221; &#8220;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Radian Plus effectue des mesures pr\u00e9cises pour CITIC depuis plus de trois ans et continue de d\u00e9passer les attentes, m\u00eame dans les environnements de mesure les plus difficiles. Pour en savoir plus sur la fa\u00e7on dont la s\u00e9rie Radian Laser Tracker peut g\u00e9rer les d\u00e9fis de mesure de fabrication dans tous les secteurs et planifier une d\u00e9mo en ligne en personne ou \u00e0 la demande, cliquez ici pour parler \u00e0 un vrai m\u00e9trologue d\u00e8s aujourd&#8217;hui.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(Mat\u00e9riel d&#8217;entretien de l&#8217;article et photos: M. Zhang Linwei, directeur du d\u00e9partement d&#8217;inspection de la qualit\u00e9 de CITIC Heavy Industry)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"334\" height=\"57\" data-src=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/logo.jpg\" alt=\"\" class=\"wp-image-10353 lazyload\" data-srcset=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/logo.jpg 334w, https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/logo-300x51.jpg 300w\" data-sizes=\"(max-width: 334px) 100vw, 334px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 334px; --smush-placeholder-aspect-ratio: 334\/57;\" \/><figcaption class=\"wp-element-caption\">CITIC Heavy Industries Co., Ltd.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"554\" height=\"219\" data-src=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitude1.jpg\" alt=\"\" class=\"wp-image-10347 lazyload\" data-srcset=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitude1.jpg 554w, https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitude1-480x190.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 554px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 554px; --smush-placeholder-aspect-ratio: 554\/219;\" \/><figcaption class=\"wp-element-caption\">CITIC Heavy Industries Co., Ltd.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"554\" height=\"340\" data-src=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitdude-2.jpg\" alt=\"\" class=\"wp-image-10335 lazyload\" data-srcset=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitdude-2.jpg 554w, https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitdude-2-480x295.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 554px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 554px; --smush-placeholder-aspect-ratio: 554\/340;\" \/><figcaption class=\"wp-element-caption\">Broyeur \u00e0 boulets \u00e0 mesurer<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"554\" height=\"381\" data-src=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitude-4.jpg\" alt=\"\" class=\"wp-image-10359 lazyload\" data-srcset=\"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitude-4.jpg 554w, https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/high-altitude-4-480x330.jpg 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 554px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 554px; --smush-placeholder-aspect-ratio: 554\/381;\" \/><figcaption class=\"wp-element-caption\">Altitude sur place<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Radian Plus aide CITIC \u00e0 effectuer avec succ\u00e8s des mesures de pr\u00e9cision \u00e0 haute altitude Laser Tracker d&#8217;API pr\u00e9cis sur la v\u00e9rification des broyeurs \u00e0 boulets dans les montagnes du Tibet Les fabricants doivent respecter leurs tol\u00e9rances, quel que soit l&#8217;environnement dans lequel ils mesurent. En r\u00e8gle g\u00e9n\u00e9rale, lorsque nous examinons les impacts environnementaux sur [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":10329,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[110],"tags":[],"class_list":["post-255012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-etude-de-cas"],"featured_image_src":"https:\/\/apimetrology.com\/wp-content\/uploads\/2021\/02\/020321_Case-Study_CITIC.jpg","author_info":{"display_name":"Admin","author_link":"https:\/\/apimetrology.com\/fr\/author\/api-mcc\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mesures de pr\u00e9cision \u00e0 haute altitude - API Metrology<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/apimetrology.com\/fr\/mesures-de-precision-a-haute-altitude\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mesures de pr\u00e9cision \u00e0 haute altitude\" \/>\n<meta property=\"og:description\" content=\"Radian Plus aide CITIC \u00e0 effectuer avec succ\u00e8s des mesures de pr\u00e9cision \u00e0 haute altitude Laser Tracker d&#8217;API pr\u00e9cis sur la v\u00e9rification des broyeurs \u00e0 boulets dans les montagnes du Tibet Les fabricants doivent respecter leurs tol\u00e9rances, quel que soit l&#8217;environnement dans lequel ils mesurent. 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