{"id":8336,"date":"2024-06-25T07:41:26","date_gmt":"2024-06-25T07:41:26","guid":{"rendered":"https:\/\/raymaxbending.com\/?p=8336"},"modified":"2024-06-25T08:22:50","modified_gmt":"2024-06-25T08:22:50","slug":"how-to-prevent-common-sheet-metal-bending-defects","status":"publish","type":"post","link":"https:\/\/www.raymaxbending.com\/fr\/how-to-prevent-common-sheet-metal-bending-defects\/","title":{"rendered":"Comment pr\u00e9venir les d\u00e9fauts courants de pliage de la t\u00f4le"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"8336\" class=\"elementor elementor-8336\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5b10a13d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5b10a13d\" 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-4dc769d3\" data-id=\"4dc769d3\" 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-1f82c8ca elementor-widget elementor-widget-text-editor\" data-id=\"1f82c8ca\" 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\n<p class=\"wp-block-paragraph\">Parfois, le processus de pliage de la t\u00f4le peut mal tourner et entra\u00eener des pliages d\u00e9fectueux. Ces courbures diminuent la qualit\u00e9 du m\u00e9tal pli\u00e9. En production, il s\u2019agit d\u2019un revers qui affecte l\u2019efficacit\u00e9 du processus. Cet article traite de certains des d\u00e9fauts courants et de la mani\u00e8re de les \u00e9viter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/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-7a38282 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7a38282\" 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-549322f\" data-id=\"549322f\" 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-0e0fd5c elementor-widget elementor-widget-heading\" data-id=\"0e0fd5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quelles sont les causes des d\u00e9fauts de pliage de la t\u00f4le ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-96c6a24 elementor-widget elementor-widget-text-editor\" data-id=\"96c6a24\" 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 probl\u00e8mes de qualit\u00e9 peuvent \u00eatre caus\u00e9s par divers facteurs. Dans le pliage de t\u00f4les, les variables qui peuvent contribuer aux d\u00e9fauts de pliage tournent autour du processus d&#039;usinage. Principalement, le <a href=\"https:\/\/www.raymaxbending.com\/fr\/press-brake\/\"><u><strong>presse plieuse<\/strong><\/u><\/a>\u00a0doit \u00eatre calibr\u00e9 correctement pour \u00e9viter ces d\u00e9fauts.<\/p>\n<p>L\u2019utilisation d\u2019une presse plieuse avec un tonnage incorrect peut entra\u00eener des d\u00e9fauts de pliage. La flexion excessive et la flexion insuffisante sont les deux d\u00e9fauts les plus courants dont nous parlerons plus tard. Ces d\u00e9fauts de pliage se produisent lorsque la presse plieuse a un tonnage sup\u00e9rieur ou inf\u00e9rieur \u00e0 celui requis.<\/p>\n<p>Bien que chaque d\u00e9faut de pliage ait une raison sp\u00e9cifique, il existe des causes g\u00e9n\u00e9rales associ\u00e9es \u00e0 toutes les erreurs. Par exemple, les op\u00e9rateurs non qualifi\u00e9s contribuent de mani\u00e8re significative \u00e0 la plupart des d\u00e9fauts de pliage. Cela peut \u00eatre \u00e9vit\u00e9 en s&#039;assurant que le technicien est bien \u00e9quip\u00e9 pour g\u00e9rer l&#039;op\u00e9ration de pliage de la t\u00f4le.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d4e903 elementor-widget elementor-widget-heading\" data-id=\"8d4e903\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Moyens de pr\u00e9venir les d\u00e9fauts de pliage des t\u00f4les<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b574867 elementor-widget elementor-widget-text-editor\" data-id=\"b574867\" 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><span style=\"font-weight: 400;\">Explorons les d\u00e9fauts courants, comment ils se produisent et les moyens de les \u00e9viter en production.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a95aea elementor-widget elementor-widget-heading\" data-id=\"6a95aea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Retour \u00e9lastique<\/h3>\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-23b64c2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"23b64c2\" 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-fafd773\" data-id=\"fafd773\" 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-a82beb7 elementor-widget elementor-widget-image\" data-id=\"a82beb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Springback-1024x576.jpg\" class=\"attachment-large size-large wp-image-8344\" alt=\"Springback\" srcset=\"https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Springback-1024x576.jpg 1024w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Springback-300x169.jpg 300w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Springback-768x432.jpg 768w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Springback-18x10.jpg 18w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Springback-600x338.jpg 600w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Springback.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07ee548 elementor-widget elementor-widget-text-editor\" data-id=\"07ee548\" 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><span style=\"font-weight: 400;\">Le retour \u00e9lastique fait partie des d\u00e9fauts les plus courants dans ce processus de fabrication du m\u00e9tal. Il se caract\u00e9rise par le fait que la t\u00f4le reprend sa forme initiale apr\u00e8s pliage. En d\u2019autres termes, le rayon de courbure n\u2019est pas celui attendu. Il s\u2019agit d\u2019une erreur de d\u00e9formation courante avec plusieurs types de m\u00e9taux.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Le d\u00e9faut de retour \u00e9lastique se produit en raison des propri\u00e9t\u00e9s \u00e9lastiques des m\u00e9taux. Lorsqu&#039;un pli est form\u00e9, des angles de pliage int\u00e9rieur et ext\u00e9rieur sont form\u00e9s. Ces deux virages sont contr\u00f4l\u00e9s par des forces diff\u00e9rentes lors de la formation. Le retour \u00e9lastique se produit lorsqu&#039;il existe une diff\u00e9rence entre ces deux forces.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae02ae0 elementor-widget elementor-widget-heading\" data-id=\"ae02ae0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter le retour \u00e9lastique<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8587f25 elementor-widget elementor-widget-text-editor\" data-id=\"8587f25\" 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><span style=\"font-weight: 400;\">Bien que le retour \u00e9lastique soit in\u00e9vitable dans la plupart des cas, certaines strat\u00e9gies sont utilis\u00e9es pour l&#039;\u00e9viter. Une fa\u00e7on courante d\u2019\u00e9viter le retour \u00e9lastique consiste \u00e0 trop plier. L&#039;ajout d&#039;une l\u00e9g\u00e8re pression au-dessus du niveau souhait\u00e9 aide le coude \u00e0 rester en position. D&#039;autres strat\u00e9gies incluent l&#039;\u00e9largissement de l&#039;angle de la matrice et l&#039;utilisation d&#039;un rayon de poin\u00e7on plus petit.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-656bba5 elementor-widget elementor-widget-heading\" data-id=\"656bba5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter le retour \u00e9lastique<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ea8d96 elementor-widget elementor-widget-text-editor\" data-id=\"1ea8d96\" 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><span style=\"font-weight: 400;\">Bien que le retour \u00e9lastique soit in\u00e9vitable dans la plupart des cas, certaines strat\u00e9gies sont utilis\u00e9es pour l&#039;\u00e9viter. Une fa\u00e7on courante d\u2019\u00e9viter le retour \u00e9lastique consiste \u00e0 trop plier. L&#039;ajout d&#039;une l\u00e9g\u00e8re pression au-dessus du niveau souhait\u00e9 aide le coude \u00e0 rester en position. D&#039;autres strat\u00e9gies incluent l&#039;\u00e9largissement de l&#039;angle de la matrice et l&#039;utilisation d&#039;un rayon de poin\u00e7on plus petit.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f577cda elementor-widget elementor-widget-heading\" data-id=\"f577cda\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Flexion excessive et sous-flexion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-daa65c2 elementor-widget elementor-widget-text-editor\" data-id=\"daa65c2\" 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><span style=\"font-weight: 400;\">Ces deux d\u00e9fauts surviennent lorsque le virage d\u00e9passe ou n&#039;atteint pas l&#039;angle attendu. En flexion excessive, la courbure d\u00e9passe l&#039;angle souhait\u00e9. Cela peut se produire en raison de divers probl\u00e8mes, notamment de calculs et d\u2019outillages incorrects.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Avant le processus de pliage de la t\u00f4le, les techniciens calculent le rayon de courbure, en tenant compte d&#039;aspects tels que la tol\u00e9rance au pliage, l&#039;\u00e9paisseur du mat\u00e9riau et l&#039;axe neutre. Si ces facteurs ne sont pas pris en compte, la courbure r\u00e9sultante peut \u00eatre plus grande ou plus petite que pr\u00e9vu.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3916cd elementor-widget elementor-widget-heading\" data-id=\"f3916cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter les flexions excessives<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b250da0 elementor-widget elementor-widget-text-editor\" data-id=\"b250da0\" 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><span style=\"font-weight: 400;\">Une flexion excessive doit \u00eatre \u00e9vit\u00e9e, sauf si elle est intentionnellement autoris\u00e9e pour des raisons telles que la correction du retour \u00e9lastique. La technique de pr\u00e9vention standard consiste \u00e0 utiliser le bon outillage et \u00e0 recalibrer les r\u00e9glages de la presse plieuse.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4f928e elementor-widget elementor-widget-heading\" data-id=\"d4f928e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter la sous-courbure<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5389a12 elementor-widget elementor-widget-text-editor\" data-id=\"5389a12\" 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><span style=\"font-weight: 400;\">La sous-flexion peut \u00eatre \u00e9vit\u00e9e de plusieurs mani\u00e8res. La bonne <\/span><a href=\"https:\/\/www.raymaxbending.com\/fr\/understanding-press-brake-tonnage-ratings-and-their-influencing-factors\/\"><span style=\"font-weight: 400;\">tonnage de la presse plieuse<\/span><\/a><span style=\"font-weight: 400;\"> est recommand\u00e9 pour garantir que la matrice atteint la profondeur appropri\u00e9e et forme l&#039;angle de courbure souhait\u00e9. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cad7ad elementor-widget elementor-widget-heading\" data-id=\"5cad7ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Fissuration<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-edb82ba elementor-widget elementor-widget-image\" data-id=\"edb82ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"710\" src=\"https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Cracking.jpg\" class=\"attachment-large size-large wp-image-8345\" alt=\"Cracking\" srcset=\"https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Cracking.jpg 1000w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Cracking-300x213.jpg 300w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Cracking-768x545.jpg 768w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Cracking-18x12.jpg 18w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Cracking-600x426.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d19632c elementor-widget elementor-widget-text-editor\" data-id=\"d19632c\" 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><span style=\"font-weight: 400;\">Certains m\u00e9taux pr\u00e9sentent des fissures au niveau du pliage apr\u00e8s le processus de pliage. Cela se produit principalement lorsqu\u2019il y a une concentration de contraintes au niveau du virage. Les fissures affectent la qualit\u00e9 du pliage et le rendent inutilisable. Ce d\u00e9faut est principalement d\u00fb \u00e0 une mauvaise ductilit\u00e9, \u00e0 la mall\u00e9abilit\u00e9 des m\u00e9taux et \u00e0 des probl\u00e8mes d&#039;outillage.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df758e9 elementor-widget elementor-widget-heading\" data-id=\"df758e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter les fissures<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1d620f elementor-widget elementor-widget-text-editor\" data-id=\"e1d620f\" 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><span style=\"font-weight: 400;\">Prendre en compte les propri\u00e9t\u00e9s des m\u00e9taux est une bonne strat\u00e9gie pour \u00e9viter les fissures. Pour \u00eatre plus clair, un m\u00e9tal particulier doit \u00eatre manipul\u00e9 d\u2019une mani\u00e8re sp\u00e9cifique en fonction de ses propri\u00e9t\u00e9s. Cela inclut l\u2019utilisation des bons outils, techniques de pliage et tonnage.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5542e52 elementor-widget elementor-widget-heading\" data-id=\"5542e52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dommages \u00e0 la surface de la feuille<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f52f9a9 elementor-widget elementor-widget-text-editor\" data-id=\"f52f9a9\" 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><span style=\"font-weight: 400;\">Certaines pi\u00e8ces pli\u00e9es peuvent pr\u00e9senter des d\u00e9fauts tels que des empreintes, des rayures ou des \u00e9raflures. Ces probl\u00e8mes ne sont pas ceux attendus, mais ils existent. Et lorsqu\u2019ils le font, ils affectent l\u2019int\u00e9grit\u00e9 structurelle et l\u2019esth\u00e9tique de la t\u00f4le. Ces d\u00e9fauts r\u00e9sultent d&#039;un mauvais entretien de la presse plieuse et d&#039;autres outils de pliage de t\u00f4le.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac5327a elementor-widget elementor-widget-heading\" data-id=\"ac5327a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter d&#039;endommager la surface des feuilles<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f0c003 elementor-widget elementor-widget-text-editor\" data-id=\"3f0c003\" 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><span style=\"font-weight: 400;\">Il est facile de pr\u00e9venir les imperfections de surface sur les plis de t\u00f4le. En effet, ils sont caus\u00e9s par la n\u00e9gligence et par des probl\u00e8mes facilement contr\u00f4lables. Assurez-vous que les outils sont toujours inspect\u00e9s pour v\u00e9rifier la lubrification, l\u2019usure et autres d\u00e9fauts.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33962e1 elementor-widget elementor-widget-heading\" data-id=\"33962e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Rides<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0878b8 elementor-widget elementor-widget-text-editor\" data-id=\"f0878b8\" 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><span style=\"font-weight: 400;\">Le froissement se produit lorsque la t\u00f4le \u00ab s\u2019enroule \u00bb et forme des plis autour du pli. La figure r\u00e9sultante donne l&#039;impression que le m\u00e9tal a \u00e9t\u00e9 rapproch\u00e9 ou qu&#039;il y a un exc\u00e8s de mat\u00e9riau qui se chevauche. Ce d\u00e9faut est observ\u00e9 principalement dans les m\u00e9taux minces plut\u00f4t que dans les m\u00e9taux \u00e9pais en raison de leur capacit\u00e9 \u00e0 r\u00e9sister ou \u00e0 supporter des forces de compression.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-426fb4b elementor-widget elementor-widget-heading\" data-id=\"426fb4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment pr\u00e9venir les rides<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0be3494 elementor-widget elementor-widget-text-editor\" data-id=\"0be3494\" 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><span style=\"font-weight: 400;\">La simulation ou le prototypage est une strat\u00e9gie qui peut \u00eatre utilis\u00e9e pour \u00e9viter de produire des plis avec des rides. En effet, les simulations ou prototypes vous aident \u00e0 identifier les param\u00e8tres corrects que vous utiliserez pour vous assurer que le virage ne pr\u00e9sente pas ce d\u00e9faut.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fa6dfe6 elementor-widget elementor-widget-heading\" data-id=\"fa6dfe6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Flexion incoh\u00e9rente<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e57a97b elementor-widget elementor-widget-text-editor\" data-id=\"e57a97b\" 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><span style=\"font-weight: 400;\">La g\u00e9om\u00e9trie du pliage doit \u00eatre parfaite. Cela inclut les angles, le rayon et la profondeur du virage. Cependant, des virages incoh\u00e9rents sont in\u00e9vitables dans certains cas. Ils semblent ondul\u00e9s ou ondul\u00e9s, \u00e0 l\u2019oppos\u00e9 d\u2019une g\u00e9om\u00e9trie de courbure parfaite.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d7512b elementor-widget elementor-widget-heading\" data-id=\"0d7512b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter une flexion incoh\u00e9rente<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bde9bc0 elementor-widget elementor-widget-text-editor\" data-id=\"bde9bc0\" 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><span style=\"font-weight: 400;\">Les incoh\u00e9rences dans la g\u00e9om\u00e9trie du pliage proviennent des propri\u00e9t\u00e9s des mat\u00e9riaux, de m\u00e9thodes de pliage incompatibles, etc. Le jeu de la matrice peut \u00e9galement \u00eatre \u00e0 l&#039;origine de ce d\u00e9faut. Par cons\u00e9quent, vous devez vous assurer que vous utilisez les bons outils pour le mat\u00e9riau sp\u00e9cifique et que les outils sont correctement entretenus.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-201cd89 elementor-widget elementor-widget-heading\" data-id=\"201cd89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Scission<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccf8aa7 elementor-widget elementor-widget-image\" data-id=\"ccf8aa7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"685\" height=\"211\" src=\"https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Splitting.jpg\" class=\"attachment-large size-large wp-image-8346\" alt=\"Splitting\" srcset=\"https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Splitting.jpg 685w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Splitting-300x92.jpg 300w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Splitting-18x6.jpg 18w, https:\/\/www.raymaxbending.com\/wp-content\/uploads\/2024\/06\/Splitting-600x185.jpg 600w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2063e19 elementor-widget elementor-widget-text-editor\" data-id=\"2063e19\" 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><span style=\"font-weight: 400;\">Il s\u2019agit d\u2019un autre d\u00e9faut courant qui entra\u00eene la division de la t\u00f4le en plusieurs parties, partiellement ou totalement. Le fendage se produit principalement lors des op\u00e9rations d\u2019emboutissage, par opposition aux op\u00e9rations de pliage, mais il affecte l\u2019apparence de la t\u00f4le.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb771f9 elementor-widget elementor-widget-heading\" data-id=\"eb771f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment \u00e9viter la division<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4294435 elementor-widget elementor-widget-text-editor\" data-id=\"4294435\" 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><span style=\"font-weight: 400;\">Les m\u00e9taux qui ne peuvent pas r\u00e9sister \u00e0 un certain niveau d\u2019\u00e9tirement ou d\u2019allongement sont susceptibles de se fendre. Utiliser trop de force ou de pression sur des m\u00e9taux capables de r\u00e9sister \u00e0 l\u2019allongement peut \u00e9galement provoquer des fissures. Par cons\u00e9quent, il est recommand\u00e9 de trouver un \u00e9quilibre pour garantir que la force correcte est utilis\u00e9e dans le processus de fabrication.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdeff8a elementor-widget elementor-widget-heading\" data-id=\"bdeff8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u00c9paississant<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af8ad77 elementor-widget elementor-widget-text-editor\" data-id=\"af8ad77\" 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><span style=\"font-weight: 400;\">Ce d\u00e9faut est visible dans le rayon de courbure de la t\u00f4le. Cela se produit lorsque des outils inappropri\u00e9s p\u00e9n\u00e8trent dans la t\u00f4le. La section transversale \u00e9paisse form\u00e9e par le processus rend difficile la d\u00e9formation de la t\u00f4le. Un renflement sur le pli ext\u00e9rieur de la t\u00f4le caract\u00e9rise un \u00e9paississement. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a8ec9b elementor-widget elementor-widget-heading\" data-id=\"9a8ec9b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment pr\u00e9venir l&#039;\u00e9paississement<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-adf2c47 elementor-widget elementor-widget-text-editor\" data-id=\"adf2c47\" 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><span style=\"font-weight: 400;\">Les presses plieuses et autres machines d&#039;un tonnage plus \u00e9lev\u00e9 sont recommand\u00e9es pour \u00e9viter l&#039;\u00e9paississement. Plus le tonnage est \u00e9lev\u00e9, plus la force exerc\u00e9e sur le virage est importante. Cela garantira en fin de compte qu&#039;une force suffisante est distribu\u00e9e \u00e0 la pi\u00e8ce. De plus, un rayon de courbure plus grand doit \u00eatre d\u00e9fini pour \u00e9viter ce d\u00e9faut. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5d94a3 elementor-widget elementor-widget-heading\" data-id=\"d5d94a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1dee915 elementor-widget elementor-widget-text-editor\" data-id=\"1dee915\" 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><span style=\"font-weight: 400;\">Les d\u00e9fauts associ\u00e9s au pliage de la t\u00f4le peuvent \u00eatre \u00e9vit\u00e9s lorsque la technique et les param\u00e8tres appropri\u00e9s sont utilis\u00e9s. La plupart de ces d\u00e9fauts sont caus\u00e9s par des r\u00e9glages et des choix d&#039;outils incorrects. Par cons\u00e9quent, utilisez toujours les bons outils et r\u00e9glages pour un pliage parfait \u00e0 chaque presse. <\/span><a href=\"https:\/\/www.raymaxbending.com\/fr\/contact-us\/\"><span style=\"font-weight: 400;\"><strong>Contactez-nous<\/strong><\/span><\/a><span style=\"font-weight: 400;\"> si vous avez des questions sur le processus de pliage de la t\u00f4le.<\/span><\/p>\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>","protected":false},"excerpt":{"rendered":"<p>Sometimes, the process of bending sheet metal can go wrong and result in defective bends. These bends lower the quality of the bent metal. In production, this is a setback that affects the effectiveness of the process. This article discusses some of the common defects and how to prevent them from happening. What Causes Sheet [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8344,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[39],"tags":[],"class_list":["post-8336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/posts\/8336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/comments?post=8336"}],"version-history":[{"count":16,"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/posts\/8336\/revisions"}],"predecessor-version":[{"id":8355,"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/posts\/8336\/revisions\/8355"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/media\/8344"}],"wp:attachment":[{"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/media?parent=8336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/categories?post=8336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.raymaxbending.com\/fr\/wp-json\/wp\/v2\/tags?post=8336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}