{"id":1713,"date":"2023-09-15T01:13:42","date_gmt":"2023-09-15T01:13:42","guid":{"rendered":"https:\/\/lasercheeron.com\/?p=1713"},"modified":"2023-09-15T01:13:45","modified_gmt":"2023-09-15T01:13:45","slug":"comment-choisir-le-gaz-lorsque-la-machine-de-decoupe-laser-coupe-des-materiaux-metalliques","status":"publish","type":"post","link":"https:\/\/lasercheeron.com\/fr\/how-to-choose-gas-when-laser-cutting-machine-cuts-metal-materials\/","title":{"rendered":"Comment choisir le gaz lorsque la machine de d\u00e9coupe laser coupe des mat\u00e9riaux m\u00e9talliques ?"},"content":{"rendered":"<p>Les machines de d\u00e9coupe laser sont largement utilis\u00e9es dans l&#039;industrie de transformation des m\u00e9taux en raison de leur taux de conversion photo\u00e9lectrique \u00e9lev\u00e9, de leur faible perte de puissance, de leur vitesse de coupe rapide, de leurs petites fentes, de leur bonne qualit\u00e9 de spot et peuvent \u00eatre utilis\u00e9es pour une d\u00e9coupe fine. Cependant, m\u00eame si les d\u00e9coupeuses laser peuvent d\u00e9couper la plupart des mat\u00e9riaux m\u00e9talliques, chaque mat\u00e9riau a ses propres caract\u00e9ristiques. Ainsi, dans le processus de d\u00e9coupe par machine de d\u00e9coupe laser, quel gaz doit \u00eatre utilis\u00e9 pour diff\u00e9rents mat\u00e9riaux m\u00e9talliques\u00a0?<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"880\" height=\"806\" src=\"https:\/\/lasercheeron.com\/wp-content\/uploads\/2023\/09\/H52b30eaef41d4ea2bdc7df37ae4f91aes.jpg\" alt=\"h52b30eaef41d4ea2bdc7df37ae4f91aes\" class=\"wp-image-1718\" srcset=\"https:\/\/lasercheeron.com\/wp-content\/uploads\/2023\/09\/H52b30eaef41d4ea2bdc7df37ae4f91aes.jpg 880w, https:\/\/lasercheeron.com\/wp-content\/uploads\/2023\/09\/H52b30eaef41d4ea2bdc7df37ae4f91aes-300x275.jpg 300w, https:\/\/lasercheeron.com\/wp-content\/uploads\/2023\/09\/H52b30eaef41d4ea2bdc7df37ae4f91aes-768x703.jpg 768w, https:\/\/lasercheeron.com\/wp-content\/uploads\/2023\/09\/H52b30eaef41d4ea2bdc7df37ae4f91aes-13x12.jpg 13w\" sizes=\"(max-width: 880px) 100vw, 880px\" \/><\/figure>\n\n\n\n<p>1. Acier au carbone. G\u00e9n\u00e9ralement, la machine de d\u00e9coupe laser coupe des mat\u00e9riaux en acier au carbone et le gaz utilis\u00e9 varie en fonction de l&#039;\u00e9paisseur. G\u00e9n\u00e9ralement, lors de la d\u00e9coupe \u00e0 l\u2019oxyg\u00e8ne, le tranchant est l\u00e9g\u00e8rement oxyd\u00e9. Pour les plaques d&#039;une \u00e9paisseur de 4 mm, l&#039;effet de d\u00e9coupe \u00e0 haute pression avec de l&#039;azote comme gaz de traitement sera meilleur et le tranchant ne sera pas oxyd\u00e9. Pour les plaques d&#039;une \u00e9paisseur sup\u00e9rieure \u00e0 10 mm, de bons r\u00e9sultats peuvent \u00e9galement \u00eatre obtenus en utilisant une plaque d&#039;\u00e9lectrode laser sp\u00e9ciale et en appliquant de l&#039;huile sur la surface de la pi\u00e8ce pendant le traitement.<\/p>\n\n\n\n<p>2. Acier inoxydable. Lorsque le mat\u00e9riau \u00e0 couper, l&#039;oxydation des bords n&#039;a pas d&#039;importance, l&#039;oxyg\u00e8ne peut \u00eatre utilis\u00e9 pour la d\u00e9coupe laser de l&#039;acier inoxydable\u00a0; s&#039;il est n\u00e9cessaire d&#039;obtenir un bord exempt d&#039;oxydation et de bavures, la d\u00e9coupe \u00e0 l&#039;azote est recommand\u00e9e.<\/p>\n\n\n\n<p>3. Aluminium. Parmi les mat\u00e9riaux m\u00e9talliques, l&#039;aluminium pr\u00e9sente une r\u00e9flectivit\u00e9 et une conductivit\u00e9 thermique \u00e9lev\u00e9es. G\u00e9n\u00e9ralement, lorsque l&#039;\u00e9paisseur d&#039;une plaque d&#039;aluminium est inf\u00e9rieure \u00e0 6 mm, elle peut toujours \u00eatre d\u00e9coup\u00e9e par une machine de d\u00e9coupe laser, en fonction du type d&#039;alliage et de la capacit\u00e9 du laser. Lors de la coupe avec de l&#039;oxyg\u00e8ne, la surface de coupe sera rugueuse et dure\u00a0; lors de l&#039;utilisation d&#039;azote, la surface de coupe sera relativement lisse. L&#039;aluminium pur est d&#039;une grande puret\u00e9 et est difficile \u00e0 couper. L&#039;aluminium ne peut \u00eatre coup\u00e9 que lorsque le dispositif \u00ab d&#039;absorption de r\u00e9flexion \u00bb est install\u00e9 sur le syst\u00e8me de machine de d\u00e9coupe laser \u00e0 fibre, sinon il est facile d&#039;endommager les composants de l&#039;\u00e9quipement laser.<\/p>\n\n\n\n<p>4. Cuivre et laiton. Le cuivre et le laiton sont \u00e9galement des mat\u00e9riaux hautement r\u00e9fl\u00e9chissants et thermiquement conducteurs. G\u00e9n\u00e9ralement, le laiton d&#039;une \u00e9paisseur inf\u00e9rieure \u00e0 1 mm peut \u00eatre d\u00e9coup\u00e9 par d\u00e9coupe laser \u00e0 l&#039;azote ; le cuivre d&#039;une \u00e9paisseur inf\u00e9rieure \u00e0 2 mm peut \u00e9galement \u00eatre coup\u00e9 et l&#039;oxyg\u00e8ne doit \u00eatre utilis\u00e9 pour la d\u00e9coupe laser.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Laser cutting machines are widely used in the metal processing industry because of their high photoelectric conversion rate, low power loss, fast cutting speed, small slits, good spot quality, and can be used for fine cutting. However, although laser cutters can cut most metal materials, each material has its own characteristics. So in the laser [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1713","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/posts\/1713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/comments?post=1713"}],"version-history":[{"count":0,"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/posts\/1713\/revisions"}],"wp:attachment":[{"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/media?parent=1713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/categories?post=1713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lasercheeron.com\/fr\/wp-json\/wp\/v2\/tags?post=1713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}