{"id":12549,"date":"2024-06-14T08:20:27","date_gmt":"2024-06-14T08:20:27","guid":{"rendered":"https:\/\/protoandgo.com\/?p=12549"},"modified":"2024-11-06T15:14:47","modified_gmt":"2024-11-06T15:14:47","slug":"tolerances-dans-lusinage-cnc-comment-fonctionnent-elles","status":"publish","type":"post","link":"https:\/\/protoandgo.com\/fr\/tolerances-dans-lusinage-cnc-comment-fonctionnent-elles\/","title":{"rendered":"Tol\u00e9rances dans l&rsquo;usinage CNC : comment fonctionnent-elles ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"12549\" class=\"elementor elementor-12549 elementor-12521\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-59b5035c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59b5035c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1273c377\" data-id=\"1273c377\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-341a6e5c elementor-widget elementor-widget-text-editor\" data-id=\"341a6e5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les tol\u00e9rances dans<strong> <\/strong><a href=\"https:\/\/protoandgo.com\/mecanizado-cnc\/?_gl=1*153xi5q*_up*MQ..*_ga*MTExMjQ3MzU3Mi4xNzE4MzUxMjc5*_ga_42DMDDP990*MTcxODM1MTI3OC4xLjAuMTcxODM1MTI3OC4wLjAuMA..\" target=\"_blank\" rel=\"noopener\"><b>l&rsquo;usinage CNC<\/b><\/a><strong> <\/strong>sont un aspect critique qui d\u00e9termine la pr\u00e9cision et la qualit\u00e9 des pi\u00e8ces fabriqu\u00e9es. Il est donc essentiel de comprendre le fonctionnement des tol\u00e9rances pour tout ing\u00e9nieur ou fabricant souhaitant produire des composants r\u00e9pondant \u00e0 des sp\u00e9cifications exactes et fonctionnant correctement dans leurs applications finales. <\/p>\n<p>Dans cet article, nous vous expliquons ce que sont les tol\u00e9rances, comment elles sont appliqu\u00e9es dans le processus d&rsquo;<strong>usinage CNC<\/strong> et pourquoi elles sont si importantes. <\/p>\n<h2><strong>Que sont les tol\u00e9rances dans l&rsquo;usinage CNC ?<\/strong> <\/h2>\n<p>Dans l&rsquo;<a href=\"https:\/\/protoandgo.com\/consejos-para-optimizar-el-proceso-de-mecanizado-cnc-y-reducir-sus-costes\/?_gl=1*jd37c5*_up*MQ..*_ga*MTExMjQ3MzU3Mi4xNzE4MzUxMjc5*_ga_42DMDDP990*MTcxODM1MTI3OC4xLjAuMTcxODM1MTI3OC4wLjAuMA..\" target=\"_blank\" rel=\"noopener\"><b>usinage CNC des pi\u00e8ces<\/b><\/a>, les tol\u00e9rances peuvent \u00eatre d\u00e9finies comme la plage acceptable pour une dimension, d\u00e9termin\u00e9e par le concepteur, qui garantit le bon fonctionnement de la pi\u00e8ce sur la base de sa forme, de son ajustement et de sa fonction. <\/p>\n<p>Ce concept englobe \u00e0 la fois les propri\u00e9t\u00e9s physiques mesurables, telles que la temp\u00e9rature ou le stress, et les dimensions physiques, telles que la d\u00e9finition de l&rsquo;espace. <\/p>\n<p>En outre, il existe diff\u00e9rents types de tol\u00e9rances, comme les tol\u00e9rances limites, les tol\u00e9rances unilat\u00e9rales ou bilat\u00e9rales ou un syst\u00e8me de tol\u00e9rances connu sous le nom de dimensionnement et de tol\u00e9rancement g\u00e9om\u00e9trique (GD&amp;T). <\/p>\n<h2><strong>Conseils sur les tol\u00e9rances dans l&rsquo;usinage CNC<\/strong> <\/h2>\n<p>Tout d&rsquo;abord, il est essentiel de garder \u00e0 l&rsquo;esprit que les tol\u00e9rances sont un facteur tr\u00e8s important dans leur conception. Toutefois, il est \u00e9galement important d&rsquo;\u00e9viter les tol\u00e9rances inutiles, car des tol\u00e9rances serr\u00e9es entra\u00eenent souvent une augmentation des pi\u00e8ces consommables, des temps de cycle plus longs et des <a href=\"https:\/\/protoandgo.com\/fr\/les-differents-outils-dusinage\/\" target=\"_blank\" rel=\"noopener\"> outils de mesure<\/a> sp\u00e9ciaux. <\/p>\n<p>D&rsquo;autre part, il est \u00e9galement essentiel de tenir compte des propri\u00e9t\u00e9s et des caract\u00e9ristiques du mat\u00e9riau, car la difficult\u00e9 d&rsquo;usiner une pi\u00e8ce \u00e0 une tol\u00e9rance donn\u00e9e d\u00e9pend dans une large mesure du mat\u00e9riau \u00e0 partir duquel la pi\u00e8ce est fabriqu\u00e9e. <\/p>\n<h2><strong>Tol\u00e9rances g\u00e9n\u00e9rales et sp\u00e9cifiques dans Proto&amp;Go!<\/strong> <\/h2>\n<p>Chez <a href=\"https:\/\/protoandgo.com\/fr\/\" target=\"_blank\" rel=\"noopener\">Proto&amp;Go!<\/a>, nous travaillons via notre plateforme en ligne, qui vous permet de t\u00e9l\u00e9charger vos fichiers 3D et de recevoir un devis en moins de 24 heures. <\/p>\n<p>Si le devis ne contient pas un plan en 2D avec des tol\u00e9rances sp\u00e9cifiques, <strong>Proto&amp;Go!<\/strong> fabriquera les pi\u00e8ces selon la norme ISO 2768fH pour les m\u00e9taux et ISO 2768mK pour les plastiques: <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"339\" class=\"wp-image-12522\" src=\"https:\/\/protoandgo.com\/wp-content\/uploads\/2024\/06\/tabla-tolerancias-generales-ES-768x339-1.jpg\" alt=\"\" srcset=\"https:\/\/protoandgo.com\/wp-content\/uploads\/2024\/06\/tabla-tolerancias-generales-ES-768x339-1.jpg 768w, https:\/\/protoandgo.com\/wp-content\/uploads\/2024\/06\/tabla-tolerancias-generales-ES-768x339-1-300x132.jpg 300w, https:\/\/protoandgo.com\/wp-content\/uploads\/2024\/06\/tabla-tolerancias-generales-ES-768x339-1-600x265.jpg 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n<p>Si les tol\u00e9rances g\u00e9n\u00e9rales ne sont pas suffisantes pour assurer la fonctionnalit\u00e9 de la pi\u00e8ce, le concepteur ou l&rsquo;ing\u00e9nieur doit indiquer les tol\u00e9rances n\u00e9cessaires sur un dessin. <\/p>\n<p>Il est important de noter que plus les tol\u00e9rances sont serr\u00e9es, plus le co\u00fbt de fabrication de la pi\u00e8ce est \u00e9lev\u00e9, pouvant m\u00eame doubler le co\u00fbt de la pi\u00e8ce avec des tol\u00e9rances standard. <\/p>\n<p>En revanche, s&rsquo;il existe des tol\u00e9rances g\u00e9om\u00e9triques sp\u00e9cifiques ou toute autre indication \u00e0 respecter, il est important qu&rsquo;elles soient \u00e9galement refl\u00e9t\u00e9es dans le dessin d&rsquo;accompagnement. <\/p>\n<p>Enfin, pour minimiser les co\u00fbts de fabrication, <strong>Proto&amp;Go!<\/strong> recommande de n&rsquo;utiliser les tol\u00e9rances sp\u00e9cifiques que dans les domaines r\u00e9ellement critiques. <\/p>\n<p><b><a style=\"font-size: 14px;\" href=\"https:\/\/app.protoandgo.es\/login\" target=\"_blank\" rel=\"noopener\">Demandez votre devis<\/a><\/b> rapidement et facilement via notre site web. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f099293 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f099293\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cfba780\" data-id=\"cfba780\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-51000ca elementor-align-center elementor-widget elementor-widget-button\" data-id=\"51000ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/protoandgo.com\/fr\/guide-de-design-de-lusinage-cnc\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">T\u00e9l\u00e9charger le guide de conception de la CNC<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les tol\u00e9rances dans l&rsquo;usinage CNC sont un aspect critique qui d\u00e9termine la pr\u00e9cision et la qualit\u00e9 des pi\u00e8ces fabriqu\u00e9es. Il est donc essentiel de comprendre le fonctionnement des tol\u00e9rances pour tout ing\u00e9nieur ou fabricant souhaitant produire des composants r\u00e9pondant \u00e0 des sp\u00e9cifications exactes et fonctionnant correctement dans leurs applications finales. Dans cet article, nous vous [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":12541,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"full-width","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[140],"tags":[],"class_list":["post-12549","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-usinage-cnc","entry","has-media","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment fonctionnent les tol\u00e9rances dans l&#039;usinage CNC ?<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez ce que sont les tol\u00e9rances et comment elles interviennent dans la conception et la fabrication de pi\u00e8ces usin\u00e9es CNC chez Proto&amp;Go!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/protoandgo.com\/fr\/tolerances-dans-lusinage-cnc-comment-fonctionnent-elles\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment fonctionnent les tol\u00e9rances dans l&#039;usinage CNC ?\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez ce que sont les tol\u00e9rances et comment elles interviennent dans la conception et la fabrication de pi\u00e8ces usin\u00e9es CNC chez Proto&amp;Go!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/protoandgo.com\/fr\/tolerances-dans-lusinage-cnc-comment-fonctionnent-elles\/\" \/>\n<meta property=\"og:site_name\" content=\"PROTO&amp;GO!\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-14T08:20:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-06T15:14:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/protoandgo.com\/wp-content\/uploads\/2024\/06\/senor-proto22.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2398\" \/>\n\t<meta property=\"og:image:height\" content=\"1528\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Elena L\u00f3pez\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Elena L\u00f3pez\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/protoandgo.com\\\/fr\\\/tolerances-dans-lusinage-cnc-comment-fonctionnent-elles\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/protoandgo.com\\\/fr\\\/tolerances-dans-lusinage-cnc-comment-fonctionnent-elles\\\/\"},\"author\":{\"name\":\"Elena L\u00f3pez\",\"@id\":\"https:\\\/\\\/protoandgo.com\\\/fr\\\/#\\\/schema\\\/person\\\/c0b0855af12e55c279cea058d6013d1d\"},\"headline\":\"Tol\u00e9rances dans l&rsquo;usinage CNC : comment fonctionnent-elles 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