{"id":655,"date":"2017-12-15T12:11:47","date_gmt":"2017-12-15T12:11:47","guid":{"rendered":"http:\/\/avanexa.in\/calmet\/?post_type=articles&#038;p=655"},"modified":"2018-05-17T07:53:23","modified_gmt":"2018-05-17T07:53:23","slug":"main-features-of-a-modern-hot-strip-mill","status":"publish","type":"page","link":"https:\/\/www.calmet.com\/fr\/main-features-of-a-modern-hot-strip-mill\/","title":{"rendered":"Caract\u00e9ristiques principales d&#039;un laminoir \u00e0 chaud moderne"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h1 class=\"entry-title\"><span style=\"font-size: 24px;\">Caract\u00e9ristiques principales d&#039;un laminoir \u00e0 chaud moderne<\/span><\/h1>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Laminoir \u00e0 chaud :<br \/>\nProcessus :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>La fonction principale d&#039;un laminoir \u00e0 chaud est de recuire des brames d&#039;acier \u00e9paisses pour obtenir des t\u00f4les minces d&#039;\u00e9paisseur variable. La brame d&#039;acier \u00e9paisse traverse plusieurs cages de laminage entra\u00een\u00e9es par de puissants moteurs. Les t\u00f4les lamin\u00e9es passent ensuite dans des enrouleurs, puis ces bobines sont achemin\u00e9es vers l&#039;\u00e9tape suivante de l&#039;usine. Du d\u00e9marrage \u00e0 la fin du processus, l&#039;acier subit plusieurs traitements \u00e0 chaque \u00e9tape, caract\u00e9ristiques essentielles d&#039;un laminoir \u00e0 chaud. Si les laminoirs traditionnels disposaient d&#039;installations limit\u00e9es, la modernisation a apport\u00e9 de nombreux changements afin de r\u00e9pondre aux exigences du march\u00e9.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Caract\u00e9ristiques principales :<br \/>\nSurface de r\u00e9chauffage :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Les anciens laminoirs \u00e0 chaud \u00e9taient \u00e9quip\u00e9s de fours \u00e0 pouss\u00e9e. Ces fours \u00e9tant devenus inefficaces pour r\u00e9pondre \u00e0 la demande croissante, ils ont \u00e9t\u00e9 remplac\u00e9s par des fours \u00e0 poutres mobiles modernes. Automatis\u00e9s, ils permettent une r\u00e9partition uniforme de la chaleur et produisent une texture lisse, sans asp\u00e9rit\u00e9s. Ils peuvent traiter des brames d&#039;acier chaudes ou froides de diff\u00e9rentes nuances et permettent d&#039;augmenter la cadence de production jusqu&#039;\u00e0 251 tonnes par 3 tonnes.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >D\u00e9tartrage :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Lors du traitement thermique dans le four de r\u00e9chauffage, la brame d&#039;acier se charge de particules de fer oxyd\u00e9. Elle passe ensuite par l&#039;\u00e9tape de d\u00e9calaminage, au cours de laquelle la couche de fer est \u00e9limin\u00e9e. Le d\u00e9calamineur est une unit\u00e9 ferm\u00e9e \u00e9quip\u00e9e de quatre rampes de pulv\u00e9risation. Ces rampes projettent de l&#039;eau sous haute pression sur la brame afin d&#039;\u00e9liminer la couche de fer oxyd\u00e9. Elles sont dot\u00e9es de buses performantes pour une pulv\u00e9risation efficace.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >\u00c9bauche :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>La brame d&#039;acier est achemin\u00e9e vers le laminoir d\u00e9grossisseur, qui comprend six cages distinctes. Contrairement aux dresseuses conventionnelles, cette presse de calibrage de brames est efficace et pr\u00e9cise, produisant des t\u00f4les d&#039;acier \u00e0 l&#039;\u00e9tat de surface optimal. L&#039;\u00e9paisseur est r\u00e9duite et l&#039;acier a tendance \u00e0 s&#039;\u00e9taler en largeur. Les dresseuses permettent d&#039;\u00e9viter ce ph\u00e9nom\u00e8ne et d&#039;obtenir une largeur uniforme pour la t\u00f4le lamin\u00e9e.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >D\u00e9tartrage :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Lors de l&#039;\u00e9bauche, des calamines se forment \u00e0 l&#039;arri\u00e8re de la surface de l&#039;acier. Un d\u00e9calaminage ult\u00e9rieur permet d&#039;\u00e9liminer l&#039;exc\u00e8s de particules de fer oxyd\u00e9es pr\u00e9sentes \u00e0 la surface de l&#039;acier.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Recadrage :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Deux tambours en acier munis de lames de cisaille servent \u00e0 \u00e9barber les barres d&#039;acier. Des ar\u00eates non finies peuvent engendrer des probl\u00e8mes de filetage lors du processus. Les barres d&#039;acier ainsi trait\u00e9es sont ensuite achemin\u00e9es vers le syst\u00e8me de d\u00e9coupe afin d&#039;\u00e9liminer les asp\u00e9rit\u00e9s.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Finition :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>La phase de finition comprend six laminoirs automatis\u00e9s distincts. La barre d&#039;acier transf\u00e9r\u00e9e est lamin\u00e9e une seconde fois simultan\u00e9ment dans ces six laminoirs afin de r\u00e9duire son \u00e9paisseur selon les exigences du client.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Contr\u00f4le de la temp\u00e9rature :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Une temp\u00e9rature cible est fix\u00e9e et la barre d&#039;acier passe dans le laminoir de finition. Le syst\u00e8me d&#039;automatisation ajuste la vitesse du laminoir en fonction de la temp\u00e9rature \u00e0 laquelle la barre refroidira avant de passer \u00e0 l&#039;\u00e9tape suivante.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Refroidissement laminaire :<br \/>\n<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>L&#039;acier lamin\u00e9 \u00e0 chaud est refroidi dans un r\u00e9seau de refroidissement laminaire automatis\u00e9. Ce r\u00e9seau comporte plusieurs buses qui projettent de l&#039;eau froide sur la barre d&#039;acier. Le syst\u00e8me automatis\u00e9 \u00e9value la temp\u00e9rature, la quantit\u00e9 d&#039;eau n\u00e9cessaire et le nombre de pulv\u00e9risations requises pour le refroidissement.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<h4 style=\"font-size: 20px;color: #008bca;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Enroulement :<\/h4>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Les enrouleurs sont situ\u00e9s entre le laminoir et le laminoir de finition. Ils enroulent et forment des bobines \u00e0 partir de la barre d&#039;acier transf\u00e9r\u00e9e. La temp\u00e9rature est \u00e9galement abaiss\u00e9e lors du passage de la barre d&#039;acier \u00e0 travers ces bobines.<\/p>\n<p>Voici les principales caract\u00e9ristiques d&#039;un laminoir \u00e0 chaud moderne qui am\u00e9liore la qualit\u00e9 et la productivit\u00e9. Il offre \u00e9galement une grande flexibilit\u00e9 de traitement et facilite la maintenance et la r\u00e9duction de la consommation d&#039;\u00e9nergie.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p><strong>Laminoir \u00e0 chaud : <\/strong><br \/>\n<strong>Processus :<\/strong><br \/>\nLa fonction principale d&#039;un laminoir \u00e0 chaud est de recuire des brames d&#039;acier \u00e9paisses pour obtenir des t\u00f4les minces d&#039;\u00e9paisseur variable. La brame d&#039;acier \u00e9paisse traverse plusieurs cages de laminage entra\u00een\u00e9es par de puissants moteurs. Les t\u00f4les lamin\u00e9es passent ensuite dans des enrouleurs, puis ces bobines sont achemin\u00e9es vers l&#039;\u00e9tape suivante de l&#039;usine. Du d\u00e9marrage \u00e0 la fin du processus, l&#039;acier subit plusieurs traitements \u00e0 chaque \u00e9tape, caract\u00e9ristiques essentielles d&#039;un laminoir \u00e0 chaud. Si les laminoirs traditionnels disposaient d&#039;installations limit\u00e9es, la modernisation a apport\u00e9 de nombreux changements afin de r\u00e9pondre aux exigences du march\u00e9.<\/p>","protected":false},"author":1,"featured_media":126,"parent":0,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-655","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Main features of a modern hot strip mill - Calmet<\/title>\n<meta name=\"description\" content=\"Calmet modern hot strip mill increases quality and productivity. 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