{"id":5954,"date":"2026-03-19T09:52:12","date_gmt":"2026-03-19T01:52:12","guid":{"rendered":"https:\/\/bmagmagnet.com\/?p=5954"},"modified":"2026-03-19T17:09:55","modified_gmt":"2026-03-19T09:09:55","slug":"un-guide-complet-sur-le-traitement-des-aimants","status":"publish","type":"post","link":"https:\/\/www.bmagmagnet.com\/fr\/a-comprehensive-guide-to-magnet-processing\/","title":{"rendered":"Guide complet sur le traitement des aimants"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Les aimants Sintered Neodymium-Iron-Boron (NdFeB) sont des composants essentiels de la technologie moderne, mais ils ne sont pas pr\u00eats \u00e0 l&#039;emploi d\u00e8s leur sortie du four. \u00c0 leur fabrication, ce sont des \u00e9bauches\u00a0: des blocs de mat\u00e9riau bruts, surdimensionn\u00e9s et non magn\u00e9tis\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour transformer ces blocs bruts en composants de haute pr\u00e9cision utilis\u00e9s dans les moteurs \u00e9lectriques ou les dispositifs m\u00e9dicaux, ils doivent subir un processus rigoureux. <strong>traitement magn\u00e9tique<\/strong> Voici un aper\u00e7u d\u00e9taill\u00e9 de l&#039;objectif, du processus et des pr\u00e9cautions li\u00e9s \u00e0 l&#039;usinage de ces g\u00e9ants des terres rares.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Processing-BMAG-Magnet.webp\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"486\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Processing-BMAG-Magnet.webp\" alt=\"Sintered NdFeB Aimant Processing - BMAG Magnet\" class=\"wp-image-5957\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Processing-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Processing-BMAG-Magnet-300x182.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Processing-BMAG-Magnet-768x467.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Processing-BMAG-Magnet-18x12.webp 18w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Processing-BMAG-Magnet-600x365.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Sintered NdFeB Aimant Processing \u2013 BMAG Magnet<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. Objectif du traitement magn\u00e9tique<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pourquoi ne pas simplement fritter un aimant pour lui donner sa forme finale\u00a0? Le frittage implique une temp\u00e9rature \u00e9lev\u00e9e qui provoque un retrait et une l\u00e9g\u00e8re d\u00e9formation du mat\u00e9riau. L\u2019usinage est essentiel pour\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Atteindre la pr\u00e9cision dimensionnelle\u00a0:<\/strong> Bringler l&#039;aimant aux tol\u00e9rances exactes requises pour les assemblages serr\u00e9s.<\/li>\n\n\n\n<li><strong>Am\u00e9liorer la qualit\u00e9 de surface\u00a0:<\/strong> Retirer la \u201c couche fritt\u00e9e \u201d pour garantir que l&#039;aimant soit lisse et plat.<\/li>\n\n\n\n<li><strong>Prepare pour Coating\u00a0:<\/strong> Cr\u00e9er une surface permettant aux couches protectrices (comme le nickel ou l&#039;\u00e9poxy) d&#039;adh\u00e9rer correctement.<\/li>\n\n\n\n<li><strong>Cr\u00e9er des fonctionnalit\u00e9s complexes\u00a0:<\/strong> Ajouter des trous, des chanfreins ou des arcs sp\u00e9cifiques que le pressage ne peut pas r\u00e9aliser, comme un aimant frais\u00e9.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/products\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-BMAG-Magnet.webp\" alt=\"Sintered NdFeB Aimant- BMAG Magnet\" class=\"wp-image-5964\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-BMAG-Magnet-300x225.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-BMAG-Magnet-768x576.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-BMAG-Magnet-16x12.webp 16w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-BMAG-Magnet-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/bmagmagnet.com\/products\/\" target=\"_blank\" rel=\"noopener\">Sintered NdFeB Aimant- BMAG Magnet<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2. Usinage magn\u00e9tique Process<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le passage d&#039;une \u00e9bauche \u00e0 un produit fini comprend plusieurs \u00e9tapes critiques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 1\u00a0: Pre - Rectification de coupe<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00eame si une \u00e9bauche fritt\u00e9e fra\u00eechement apparaissait \u201c nette \u201d, sa surface est microscopiquement rugueuse et chimiquement h\u00e9t\u00e9rog\u00e8ne. Avant toute d\u00e9coupe, l&#039;\u00e9bauche subit <strong>rectification de surface<\/strong>. Cela garantit que la pi\u00e8ce est parfaitement plane, offrant ainsi un point de r\u00e9f\u00e9rence stable pour les outils de coupe.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-Grinding-BMAG-Magnet.webp\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-Grinding-BMAG-Magnet.webp\" alt=\"Sintered NdFeB Rectification d&#039;\u00e9bauches magn\u00e9tiques - BMAG Magnet\" class=\"wp-image-5958\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-Grinding-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-Grinding-BMAG-Magnet-300x169.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-Grinding-BMAG-Magnet-768x432.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-Grinding-BMAG-Magnet-18x10.webp 18w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-Grinding-BMAG-Magnet-600x338.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Sintered NdFeB Rectification d&#039;\u00e9bauches magn\u00e9tiques \u2013 BMAG Magnet<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 2\u00a0: D\u00e9coupe et tranchage<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les gros aimants bruts sont d\u00e9coup\u00e9s en plusieurs unit\u00e9s plus petites. Les m\u00e9thodes Common comprennent\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00e9coupe au fil (EDM) :<\/strong> Utiliser des d\u00e9charges \u00e9lectriques pour \u201c \u00e9roder \u201d le mat\u00e9riau le long d&#039;un chemin sp\u00e9cifique.<\/li>\n\n\n\n<li><strong>D\u00e9coupage :<\/strong> Utiliser des lames \u00e0 rev\u00eatement diamant ou des scies multifils.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>La r\u00e8gle de \u201c l\u2019allocation \u201d :<\/strong> Les fabricants doivent tenir compte de la \u201c largeur de coupe \u201d, c\u2019est-\u00e0-dire du mat\u00e9riau perdu en raison de l\u2019\u00e9paisseur de la lame.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Exemple:<\/strong> Pour produire un aimant bloc de <strong>L40 x l10 x H5 mm<\/strong>, vous pourriez commencer par une feuille vierge de la taille indiqu\u00e9e <strong>L42 x l22 x H55 mm<\/strong>.<\/li>\n\n\n\n<li>\u00c0 partir de ce simple blanc, vous pouvez obtenir <strong>20 produits finaux<\/strong> (10 pi\u00e8ces en hauteur et 2 en largeur). Les millim\u00e8tres \u201c suppl\u00e9mentaires \u201d correspondent \u00e0 la \u201c marge \u201d consomm\u00e9e par les outils de meulage et de coupe.<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-After-Cutting-BMAG-Magnet.webp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-After-Cutting-BMAG-Magnet.webp\" alt=\"Sintered NdFeB \u00c9bauche d&#039;aimant apr\u00e8s d\u00e9coupe - BMAG Magnet\" class=\"wp-image-5959\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-After-Cutting-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-After-Cutting-BMAG-Magnet-300x169.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-After-Cutting-BMAG-Magnet-768x432.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-After-Cutting-BMAG-Magnet-18x10.webp 18w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/Sintered-NdFeB-Magnet-Blank-After-Cutting-BMAG-Magnet-600x338.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Sintered NdFeB \u00c9bauche d&#039;aimant apr\u00e8s d\u00e9coupe - BMAG Magnet<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 3\u00a0: Per\u00e7age et mise en forme sp\u00e9ciale<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les aimants annulaires ou ceux n\u00e9cessitant des vis, un per\u00e7age de pr\u00e9cision est r\u00e9alis\u00e9 \u00e0 l&#039;aide d&#039;un usinage sp\u00e9cialis\u00e9 par foret diamant\u00e9. L&#039;alliage NdFeB \u00e9tant extr\u00eamement fragile, les techniciens doivent\u2026 <strong>calibrer avec pr\u00e9cision les vitesses de per\u00e7age et les avances.<\/strong> afin de minimiser les contraintes m\u00e9caniques et d&#039;\u00e9viter les fractures. Tout au long du processus, <strong>application continue de fluide de coupe<\/strong> Il est essentiel de r\u00e9duire les frottements et de dissiper la chaleur, ce qui permet d&#039;\u00e9viter efficacement les microfissures et les dommages thermiques \u00e0 la structure de l&#039;aimant. C&#039;est \u00e9galement \u00e0 cette \u00e9tape que sont usin\u00e9s avec pr\u00e9cision les \u00e9l\u00e9ments complexes, tels que les trous frais\u00e9s pour un montage affleurant.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Drilling-BMAG-Magnet.webp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Drilling-BMAG-Magnet.webp\" alt=\"NdFeB Per\u00e7age magn\u00e9tique - BMAG Magnet\" class=\"wp-image-5960\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Drilling-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Drilling-BMAG-Magnet-300x169.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Drilling-BMAG-Magnet-768x432.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Drilling-BMAG-Magnet-18x10.webp 18w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Drilling-BMAG-Magnet-600x338.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">NdFeB Per\u00e7age magn\u00e9tique \u2013 BMAG Magnet<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 4\u00a0: Chanfreinage et rectification finale<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s d\u00e9coupe, les aimants pr\u00e9sentent souvent des bords tranchants et fragiles. <strong>Chanfreinage<\/strong> L&#039;arrondi ou le biseautage des bords (op\u00e9ration effectu\u00e9e) vise \u00e0 \u00e9viter l&#039;\u00e9caillage lors de la manipulation. <strong>broyage final<\/strong> Une seconde passe est ensuite effectu\u00e9e pour garantir que la surface est impeccable avant l&#039;application du rev\u00eatement suivant.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Automatic-Chamfering-BMAG-Magnet.webp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Automatic-Chamfering-BMAG-Magnet.webp\" alt=\"Chanfreinage automatique magn\u00e9tique NdFeB - BMAG Magnet\" class=\"wp-image-5961\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Automatic-Chamfering-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Automatic-Chamfering-BMAG-Magnet-300x169.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Automatic-Chamfering-BMAG-Magnet-768x432.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Automatic-Chamfering-BMAG-Magnet-18x10.webp 18w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Automatic-Chamfering-BMAG-Magnet-600x338.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Chanfreinage automatique magn\u00e9tique NdFeB \u2013 BMAG Magnet<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3. L'\u00e9tat magn\u00e9tique pendant le traitement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Il est courant de croire, \u00e0 tort, que les aimants sont \u201c magn\u00e9tiques \u201d pendant tout ce processus. En r\u00e9alit\u00e9, <strong>Les \u00e9bauches NdFeB nouvellement fritt\u00e9es ne sont pas encore magn\u00e9tis\u00e9es.<\/strong> Ils ne poss\u00e8dent qu&#039;un magn\u00e9tisme r\u00e9siduel extr\u00eamement faible. Ceci est intentionnel\u00a0; si les aimants \u00e9taient pleinement charg\u00e9s pendant l&#039;usinage, les fines poussi\u00e8res m\u00e9talliques (boues) adh\u00e9reraient aux outils et \u00e0 la pi\u00e8ce, rendant toute pr\u00e9cision impossible et cr\u00e9ant un risque important pour la s\u00e9curit\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Manual-Chamfering-BMAG-Magnet.webp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Manual-Chamfering-BMAG-Magnet.webp\" alt=\"NdFeB Chanfreinage manuel par aimant - BMAG Magnet\" class=\"wp-image-5962\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Manual-Chamfering-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Manual-Chamfering-BMAG-Magnet-300x169.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Manual-Chamfering-BMAG-Magnet-768x432.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Manual-Chamfering-BMAG-Magnet-18x10.webp 18w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Manual-Chamfering-BMAG-Magnet-600x338.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">NdFeB Chanfreinage manuel par aimant \u2013 BMAG Magnet<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4. Pr\u00e9cautions critiques<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;usinage du NdFeB est nettement plus difficile que l&#039;usinage de l&#039;acier ou de l&#039;aluminium en raison des propri\u00e9t\u00e9s uniques de ce mat\u00e9riau.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cooling est obligatoire\u00a0:<\/strong> Le NdFeB est extr\u00eamement inflammable sous forme de poudre. Les frottements intenses lors du broyage peuvent provoquer l&#039;inflammation des poussi\u00e8res. Un refroidissement liquide continu est n\u00e9cessaire pour le Co afin de g\u00e9rer la chaleur et d&#039;\u00e9liminer les d\u00e9bris.<\/li>\n\n\n\n<li><strong>Britre\u00a0:<\/strong> Ces aimants s&#039;apparentent davantage \u00e0 de la c\u00e9ramique qu&#039;\u00e0 du m\u00e9tal. Ils s&#039;\u00e9br\u00e8chent facilement sous l&#039;effet de contraintes m\u00e9caniques, ce qui n\u00e9cessite des gabarits sp\u00e9cifiques et des vitesses d&#039;avance lentes.<\/li>\n\n\n\n<li><strong>Gestion de la corrosion :<\/strong> L&#039;alliage NdFeB, riche en fer, est sujet \u00e0 une oxydation rapide des surfaces fra\u00eechement usin\u00e9es. Les aimants doivent \u00eatre nettoy\u00e9s et s\u00e9ch\u00e9s imm\u00e9diatement apr\u00e8s usinage avant l&#039;\u00e9tape de rev\u00eatement.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Chamfering-BMAG-Magnet.webp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"427\" src=\"https:\/\/bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Chamfering-BMAG-Magnet.webp\" alt=\"Chanfreinage magn\u00e9tique NdFeB - BMAG Magnet\" class=\"wp-image-5963\" srcset=\"https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Chamfering-BMAG-Magnet.webp 800w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Chamfering-BMAG-Magnet-300x160.webp 300w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Chamfering-BMAG-Magnet-768x410.webp 768w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Chamfering-BMAG-Magnet-18x10.webp 18w, https:\/\/www.bmagmagnet.com\/wp-content\/uploads\/2026\/03\/NdFeB-Magnet-Chamfering-BMAG-Magnet-600x320.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Chanfreinage magn\u00e9tique NdFeB \u2013 BMAG Magnet<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tableau r\u00e9capitulatif\u00a0: Le traitement magn\u00e9tique en un coup d\u2019\u0153il<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Sc\u00e8ne<\/strong><\/td><td><strong>Action<\/strong><\/td><td><strong>Primary But<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Pre-Rin\u00e7age<\/strong><\/td><td>Nivellement de surface<\/td><td>Cr\u00e9er une r\u00e9f\u00e9rence plane pour la d\u00e9coupe<\/td><\/tr><tr><td><strong>Coupe<\/strong><\/td><td>D\u00e9coupe au fil<\/td><td>Diviser les grands espaces vides en unit\u00e9s plus petites<\/td><\/tr><tr><td><strong>Forage<\/strong><\/td><td>Diamant<\/td><td>Cr\u00e9er des trous pour les anneaux\/fraises<\/td><\/tr><tr><td><strong>Chanfreinage<\/strong><\/td><td>Arrondi des bords<\/td><td>Prevent l&#039;\u00e9caillage et aide au rev\u00eatement<\/td><\/tr><tr><td><strong>Broyage final<\/strong><\/td><td>finition de pr\u00e9cision<\/td><td>Assurer l&#039;adh\u00e9rence de la surface pour le placage<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Comment fabriquer des aimants de haute pr\u00e9cision<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La production d&#039;aimants de haute pr\u00e9cision d\u00e9pend d&#039;instruments d&#039;usinage de pr\u00e9cision, qui garantissent efficacement une pr\u00e9cision dimensionnelle plus \u00e9lev\u00e9e lors de <strong>traitement magn\u00e9tique<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chez BMAG Magnet, nos \u00e9quipements d&#039;usinage de pointe nous permettent d&#039;atteindre des tol\u00e9rances dimensionnelles extr\u00eamement serr\u00e9es pour les produits magn\u00e9tiques\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dimensions sup\u00e9rieures \u00e0 10 mm : \u00b10,1 mm<\/li>\n\n\n\n<li>Dimensions inf\u00e9rieures ou \u00e9gales \u00e0 10 mm : \u00b10,02 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Avec un contr\u00f4le d&#039;une telle pr\u00e9cision exceptionnelle, <a href=\"https:\/\/bmagmagnet.com\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">Aimant BMAG<\/a> est votre fabricant de premier choix pour les aimants de haute pr\u00e9cision.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Sintered Neodymium-Iron-Boron (NdFeB) magnets are the powerhouses of modern technology, but they don&#8217;t emerge from the furnace ready for use. When they are first created, they are &#8220;blanks&#8221;\u2014rough, oversized, and technically unmagnetized blocks of material. To transform these raw blocks into the high-precision components found in electric motors or medical devices, they must undergo a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5966,"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":"set","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":"","_bmag_faq_en_US":"","_bmag_faq_es_ES":"","_bmag_faq_fr_FR":"","_bmag_faq_de_DE":"","_bmag_faq_it_IT":"","_bmag_faq_pt_BR":"","_bmag_faq_ru_RU":"","_bmag_faq_nl_NL":"","_bmag_faq_ar":"","_bmag_faq":"","_bmag_howto":""},"categories":[1],"tags":[],"class_list":["post-5954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"_links":{"self":[{"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/posts\/5954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/comments?post=5954"}],"version-history":[{"count":3,"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/posts\/5954\/revisions"}],"predecessor-version":[{"id":5984,"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/posts\/5954\/revisions\/5984"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/media\/5966"}],"wp:attachment":[{"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/media?parent=5954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/categories?post=5954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bmagmagnet.com\/fr\/wp-json\/wp\/v2\/tags?post=5954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}