{"id":21289,"date":"2025-07-03T10:02:49","date_gmt":"2025-07-03T10:02:49","guid":{"rendered":"https:\/\/bfymold.com\/?p=21289"},"modified":"2025-07-05T08:31:46","modified_gmt":"2025-07-05T08:31:46","slug":"what-is-pom-material","status":"publish","type":"post","link":"https:\/\/bfymold.com\/fr\/what-is-pom-material\/","title":{"rendered":"Qu&rsquo;est-ce que le mat\u00e9riau POM ?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"UQQom\">1. Qu&rsquo;est-ce que le POM ? La r\u00e9volution des thermoplastiques techniques <\/h2>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p id=\"uc1983809\">Le POM (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyoxymethylene\" data-type=\"link\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Polyoxymethylene\" target=\"_blank\" rel=\"noopener\">polyoxym\u00e9thyl\u00e8ne<\/a>), connu sous le nom d&rsquo;ac\u00e9tal ou de Delrin, offre des propri\u00e9t\u00e9s m\u00e9caniques exceptionnelles :<\/p>\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:3\">Absorption de l&rsquo;humidit\u00e9 proche de z\u00e9ro<\/li>\n\n\n\n<li style=\"line-height:3\">70 MPa r\u00e9sistance \u00e0 la traction<\/li>\n\n\n\n<li style=\"line-height:3\">0,2-0,3 % de taux de r\u00e9tr\u00e9cissement<\/li>\n\n\n\n<li style=\"line-height:3\">Autolubrifiant (\u03bc=0,1-0,3 par rapport \u00e0 l&rsquo;acier)<\/li>\n<\/ul>\n\n<p id=\"u34a309d6\">Utilis\u00e9 dans 78% des m\u00e9canismes de haute pr\u00e9cision n\u00e9cessitant une stabilit\u00e9 dimensionnelle.<\/p>\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Material.jpg\" alt=\"POM Mat&#xE9;riau\" class=\"wp-image-21279\" style=\"width:640px;height:auto\" title=\"\" srcset=\"https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Material.jpg 800w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Material-300x300.jpg 300w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Material-150x150.jpg 150w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Material-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">POM Mat\u00e9riau<\/figcaption><\/figure>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"foksO\">2. POM et plastiques techniques concurrents<\/h2>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure style=\"line-height:3\" class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Propertya<\/td><td>POM<\/td><td><a href=\"https:\/\/bfymold.com\/fr\/nylon-6-vs-nylon-66\/\" data-type=\"post\" data-id=\"2603\">Nylon 66<\/a><\/td><td><a href=\"https:\/\/bfymold.com\/fr\/what-is-abs-plastic-and-how-does-abs-injection-molding-work\/\" data-type=\"post\" data-id=\"18057\">ABS<\/a><\/td><td>PEEK<\/td><\/tr><tr><td>R\u00e9sistance \u00e0 la traction<\/td><td>70 MPa<\/td><td>85 MPa<\/td><td>40 MPa<\/td><td>100 MPa<\/td><\/tr><tr><td>Absorbe l&rsquo;humidit\u00e9.<\/td><td>0.2%<\/td><td>2.8%<\/td><td>1.5%<\/td><td>0.1%<\/td><\/tr><tr><td>Temp. max.<\/td><td>100\u00b0C<\/td><td>120\u00b0C<\/td><td>80\u00b0C<\/td><td>250\u00b0C<\/td><\/tr><tr><td>Co\u00fbt\/kg<\/td><td>$3-5<\/td><td>$5-8<\/td><td>$2-4<\/td><td>$150-200<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p id=\"u89f3afa4\">Le POM domine dans les applications de pr\u00e9cision sensibles aux co\u00fbts, telles que les engrenages et les roulements.<\/p>\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"BB8rw\">3. Guide des proc\u00e9d\u00e9s de moulage par injection<\/h2>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding.jpg\" alt=\"Moulage par injection de POM\" class=\"wp-image-21263\" style=\"width:650px\" title=\"\" srcset=\"https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding.jpg 800w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding-300x300.jpg 300w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding-150x150.jpg 150w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Moulage par injection de POM<\/figcaption><\/figure>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h3 class=\"wp-block-heading\" id=\"USmYw\">Param\u00e8tres optimaux pour POM<\/h3>\n\n<figure style=\"line-height:3\" class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Param\u00e8tres<\/td><td>POM standard<\/td><td>POM rempli de verre<\/td><\/tr><tr><td>Temp\u00e9rature de fusion<\/td><td>190-210\u00b0C<\/td><td>200-220\u00b0C<\/td><\/tr><tr><td>Temp\u00e9rature du moule<\/td><td>80-105\u00b0C<\/td><td>90-120\u00b0C<\/td><\/tr><tr><td>Pression d&rsquo;injection<\/td><td>80-130 MPa<\/td><td>100-150 MPa<\/td><\/tr><tr><td>S\u00e9chage (temps\/temp\u00e9rature)<\/td><td>3h\/110\u00b0C<\/td><td>4h\/120\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p id=\"u362c9f7d\">Conseil essentiel : Maintenir un taux d&rsquo;humidit\u00e9 inf\u00e9rieur \u00e0 0,1 % pour \u00e9viter le d\u00e9gagement gazeux de formald\u00e9hyde.<\/p>\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"aX8w6\">4. R\u00e9soudre les d\u00e9fauts courants des mat\u00e9riaux POM<\/h2>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure style=\"line-height:3\" class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>D\u00e9faut<\/td><td>Cause<\/td><td>La solution de BFY Mold<\/td><\/tr><tr><td>D\u00e9formation<\/td><td>Refroidissement in\u00e9gal<\/td><td>Canaux de refroidissement conformes<\/td><\/tr><tr><td>Marques d&rsquo;\u00e9vier<\/td><td>Emballage inad\u00e9quat<\/td><td>95% pression d&rsquo;\u00e9tanch\u00e9it\u00e9 de la porte<\/td><\/tr><tr><td>Fissures<\/td><td>Surcristallisation<\/td><td>Recuit apr\u00e8s moulage<\/td><\/tr><tr><td>Br\u00fblures de gaz<\/td><td>Air emprisonn\u00e9<\/td><td>Syst\u00e8me de mise \u00e0 l&rsquo;air libre<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"ZJ3dh\">5. Applications industrielles et \u00e9tudes de cas<\/h2>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h3 class=\"wp-block-heading\" id=\"NqDl9\">Automobile<\/h3>\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:3\">Composants du syst\u00e8me d&rsquo;alimentation en carburant : POM 30% GF r\u00e9sistant aux m\u00e9langes d&rsquo;\u00e9thanol<\/li>\n\n\n\n<li style=\"line-height:3\">Engrenages : 1 million+ de cycles \u00e0 1500 RPM (test\u00e9 selon ISO 6336)<\/li>\n<\/ul>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h3 class=\"wp-block-heading\" id=\"SPZRy\">M\u00e9dical<\/h3>\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:3\">M\u00e9canismes d&rsquo;inhalation : Classes POM conformes \u00e0 la classe VI de l&rsquo;USP<\/li>\n\n\n\n<li style=\"line-height:3\">Outils chirurgicaux : Autoclavable \u00e0 134\u00b0C<\/li>\n<\/ul>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h3 class=\"wp-block-heading\" id=\"YFq4Y\">\u00c9lectronique grand public<\/h3>\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:3\">Commutateurs de clavier : Dur\u00e9e de vie de 10M<\/li>\n\n\n\n<li style=\"line-height:3\">Bo\u00eetiers de connecteurs : Classement de flamme UL 94 HB<\/li>\n<\/ul>\n\n<div style=\"height:77px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding2.jpg\" alt=\"Moulage par injection de mat&#xE9;riaux POM\" class=\"wp-image-21271\" style=\"width:650px\" title=\"\" srcset=\"https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding2.jpg 1000w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding2-300x300.jpg 300w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding2-150x150.jpg 150w, https:\/\/bfymold.com\/wp-content\/uploads\/2025\/07\/POM-Injection-Molding2-768x768.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Moulage par injection de mat\u00e9riaux POM<\/figcaption><\/figure>\n\n<div style=\"height:77px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"s3KDJ\">6. Guide de s\u00e9lection des mat\u00e9riaux<\/h2>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<figure style=\"line-height:3\" class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Type de POM<\/td><td>Caract\u00e9ristiques principales<\/td><td>Application id\u00e9ale<\/td><\/tr><tr><td>Homopolym\u00e8re<\/td><td>Plus grande rigidit\u00e9<\/td><td>Engrenages de pr\u00e9cision<\/td><\/tr><tr><td>Copolym\u00e8re<\/td><td>Meilleure r\u00e9sistance aux produits chimiques.<\/td><td>Pi\u00e8ces de contact avec le carburant<\/td><\/tr><tr><td>30% GF<\/td><td>2 fois la r\u00e9sistance au fluage<\/td><td>Supports de charge<\/td><\/tr><tr><td>PTFE m\u00e9lang\u00e9<\/td><td>50% de friction en moins<\/td><td>Roulements autolubrifiants<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"tX6VD\">7. L&rsquo;expertise de BFY Mold en mati\u00e8re de POM<\/h2>\n\n<div style=\"height:59px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<ul style=\"line-height:3\" class=\"wp-block-list\">\n<li>\u00c9quipement sp\u00e9cialis\u00e9 :<\/li>\n<\/ul>\n\n<ul style=\"line-height:3\" class=\"wp-block-list\">\n<li>Vis \u00e0 faible cisaillement (L\/D=22:1)<\/li>\n\n\n\n<li>D\u00e9shumidificateurs (point de ros\u00e9e inf\u00e9rieur \u00e0 -40\u00b0C)<\/li>\n\n\n\n<li>Assurance qualit\u00e9 :<\/li>\n<\/ul>\n\n<ul style=\"line-height:3\" class=\"wp-block-list\">\n<li>Production certifi\u00e9e ISO 9001<\/li>\n\n\n\n<li>Inspection CMM (\u00b10,01mm)<\/li>\n\n\n\n<li>Certification du mat\u00e9riel en 48 heures<\/li>\n<\/ul>\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"VsdlK\">8. Environ 10 FAQ essentielles sur les mat\u00e9riaux POM<\/h2>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p id=\"u10a68612\">1. Quelle est la diff\u00e9rence entre le POM et le Delrin ?<br\/>Le Delrin est le POM homopolym\u00e8re de DuPont ; le POM g\u00e9n\u00e9rique comprend des copolym\u00e8res ayant une meilleure r\u00e9sistance chimique.<\/p>\n\n<p id=\"u31b574e1\">2. Comment \u00e9viter le gauchissement du POM ?<br\/>Maintenir la temp\u00e9rature du moule \u00e0 90\u00b12\u00b0C et utiliser une \u00e9paisseur de paroi uniforme (1,5-3 mm).<\/p>\n\n<p id=\"u09df285b\">3. Le POM peut-il \u00eatre coll\u00e9 ou soud\u00e9 ?<br\/>Oui : collage \u00e0 l&rsquo;\u00e9poxy (r\u00e9sistance au cisaillement de 15-20MPa) ou soudage \u00e0 la plaque chauffante (pour les joints herm\u00e9tiques).<\/p>\n\n<p id=\"u781f3c2c\">4. Les POM sont-ils s\u00fbrs pour l&rsquo;alimentation ?<br\/>Il existe des qualit\u00e9s conformes aux normes de la FDA, mais elles doivent \u00eatre \u00e9vit\u00e9es pour les aliments acides ou riches en lipides en raison de la lib\u00e9ration potentielle de formald\u00e9hyde.<\/p>\n\n<p id=\"ub2c1df8e\">5. Quelles sont les causes du retrait des pi\u00e8ces en POM ?<br\/>Cristallinit\u00e9 excessive. Solution : Augmenter la vitesse d&rsquo;injection et la pression d&#8217;emballage. <\/p>\n\n<p id=\"ub1fe4df7\">6. Temp\u00e9rature maximale d&rsquo;utilisation continue ?<br\/>90-100\u00b0C pour les qualit\u00e9s standard ; 120\u00b0C pour les versions remplies de verre.<\/p>\n\n<p id=\"u4c20f03a\">7. Comment les UV affectent-ils les POM ?<br\/>Provoque un farinage de la surface. Utiliser des grades charg\u00e9s en noir de carbone ou des rev\u00eatements protecteurs. <\/p>\n\n<p id=\"u91649653\">8. Capacit\u00e9s de tol\u00e9rance typiques ?<br\/>\u00b10,05% pour les dimensions inf\u00e9rieures \u00e0 50mm ; \u00b10,1% pour les pi\u00e8ces plus grandes.<\/p>\n\n<p id=\"u0b248399\">9. Comparaison des co\u00fbts avec les pi\u00e8ces m\u00e9talliques ?<br\/>Co\u00fbt inf\u00e9rieur de 60 \u00e0 80 % \u00e0 celui du laiton usin\u00e9 pour la production de grands volumes.<\/p>\n\n<div style=\"height:62px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<h3 class=\"wp-block-heading\" id=\"ue9a39d80\">Pourquoi choisir BFY Mold pour les pi\u00e8ces en POM ?<\/h3>\n\n<ul class=\"wp-block-list\">\n<li style=\"line-height:3\">Garantie d&rsquo;un taux de d\u00e9faut de 0,1<\/li>\n\n\n\n<li style=\"line-height:3\">Livraison de l&rsquo;outillage sous 30 jours<\/li>\n\n\n\n<li style=\"line-height:3\">Analyse DFM gratuite<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>1. Qu&rsquo;est-ce que le POM ? La r\u00e9volution des thermoplastiques techniques Le POM (polyoxym\u00e9thyl\u00e8ne), connu sous le nom d&rsquo;ac\u00e9tal ou de Delrin, offre des propri\u00e9t\u00e9s m\u00e9caniques exceptionnelles : Utilis\u00e9 dans 78% des m\u00e9canismes de haute pr\u00e9cision n\u00e9cessitant une stabilit\u00e9 dimensionnelle. 2. POM et plastiques techniques concurrents Propertya POM Nylon 66 ABS PEEK R\u00e9sistance \u00e0 la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21280,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","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":"default","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":[49],"tags":[],"class_list":["post-21289","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/posts\/21289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/comments?post=21289"}],"version-history":[{"count":0,"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/posts\/21289\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/media\/21280"}],"wp:attachment":[{"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/media?parent=21289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/categories?post=21289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bfymold.com\/fr\/wp-json\/wp\/v2\/tags?post=21289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}