{"id":12212,"date":"2025-08-13T02:43:00","date_gmt":"2025-08-13T02:43:00","guid":{"rendered":"https:\/\/dev.hsmagnet.com\/product\/neodymium-disc-magnet-n40-d5020mm\/"},"modified":"2025-11-11T00:57:34","modified_gmt":"2025-11-11T00:57:34","slug":"aimant-disque-neodyme-n40-d5020mm","status":"publish","type":"product","link":"https:\/\/hsmagnet.com\/fr\/product\/neodymium-disc-magnet-n40-d5020mm\/","title":{"rendered":"Aimant disque en n\u00e9odyme N40 D50*20MM"},"content":{"rendered":"<p>L&#039;aimant disque en n\u00e9odyme (grade N40) de HS Magnet, d&#039;un diam\u00e8tre de 50 mm et d&#039;une \u00e9paisseur de 20 mm, offre une puissance magn\u00e9tique exceptionnelle dans un format compact et usin\u00e9 avec pr\u00e9cision. Fabriqu\u00e9 en alliage NdFeB de haute qualit\u00e9 et rev\u00eatu d&#039;une triple couche Ni-Cu-Ni durable, cet aimant disque garantit des performances sup\u00e9rieures dans les environnements m\u00e9caniques, \u00e9lectroniques et industriels exigeants.<\/p>\n<h3>Caract\u00e9ristiques principales<\/h3>\n<ul>\n<li>Qualit\u00e9 magn\u00e9tique : N40 (Nd\u2082Fe\u2081\u2084B)<\/li>\n<li>R\u00e9manence (Br) : \u2248 1,29 T<\/li>\n<li>Produit \u00e9nerg\u00e9tique maximal (BH\u2098\u2090\u2093) : \u2248 40 MGOe<\/li>\n<li>Coercivit\u00e9 intrins\u00e8que (Hcj) : \u2248 836 kA\/m<\/li>\n<li>Temp\u00e9rature de fonctionnement maximale\u00a0: 80 \u00e0 120\u00a0\u00b0C (selon l\u2019application)<\/li>\n<li>Temp\u00e9rature de Curie : \u2248 310 \u00b0C<\/li>\n<li>Coefficient de temp\u00e9rature de Br : \u20130,12 %\/\u00b0C<\/li>\n<\/ul>\n<h3>Dimensions et tol\u00e9rances<\/h3>\n<ul>\n<li>Diam\u00e8tre : 50,00 mm \u00b1 0,05 mm<\/li>\n<li>\u00c9paisseur : 20,00 mm \u00b1 0,05 mm<\/li>\n<li>Direction de magn\u00e9tisation\u00a0: axiale (\u00e0 travers l\u2019\u00e9paisseur)<\/li>\n<li>Finition de surface\u00a0: Rectifi\u00e9e avec pr\u00e9cision, sans bavure<\/li>\n<\/ul>\n<h3>Rev\u00eatements et personnalisation<\/h3>\n<ul>\n<li>Rev\u00eatement standard\u00a0: Ni\u2013Cu\u2013Ni (nickel\u2013cuivre\u2013nickel)<\/li>\n<li>Rev\u00eatements optionnels\u00a0: placage de zinc (Zn), d\u2019\u00e9poxy ou d\u2019or pour une meilleure r\u00e9sistance \u00e0 la corrosion<\/li>\n<li>Tol\u00e9rances renforc\u00e9es : \u00b10,02 mm disponibles sur demande<\/li>\n<li>Magn\u00e9tisation personnalis\u00e9e\u00a0: motifs multipolaires ou radiaux sur demande<\/li>\n<li>Conditionnement : en vrac, avec rembourrage en mousse ou plateaux sur mesure pour assemblage automatis\u00e9<\/li>\n<\/ul>\n<h3>Applications typiques<\/h3>\n<ul>\n<li>Moteurs et g\u00e9n\u00e9rateurs CC sans balais<\/li>\n<li>Accouplements et embrayages magn\u00e9tiques<\/li>\n<li>Capteurs, codeurs et actionneurs<\/li>\n<li>paliers magn\u00e9tiques et syst\u00e8mes de l\u00e9vitation<\/li>\n<li>Haut-parleurs et microphones<\/li>\n<li>S\u00e9parateurs et \u00e9l\u00e9vateurs magn\u00e9tiques<\/li>\n<li>appareils \u00e9lectroniques grand public et dispositifs m\u00e9dicaux<\/li>\n<\/ul>\n<h3>Pourquoi choisir HS Magnet ?<\/h3>\n<ul>\n<li>Plus de 20 ans d&#039;exp\u00e9rience en recherche et d\u00e9veloppement, fonderie et usinage de pr\u00e9cision des alliages NdFeB<\/li>\n<li>Magn\u00e9tisation interne, cartographie des champs et inspection de qualit\u00e9 100 %<\/li>\n<li>Production flexible\u00a0: prototypes, petites s\u00e9ries et production en s\u00e9rie<\/li>\n<li>D\u00e9lais de livraison rapides et assistance \u00e0 l&#039;exp\u00e9dition mondiale<\/li>\n<li>Conseils techniques d&#039;experts pour des solutions magn\u00e9tiques optimis\u00e9es<\/li>\n<\/ul>\n<p>Contactez HS Magnet d\u00e8s aujourd&#039;hui pour demander des \u00e9chantillons, discuter de rev\u00eatements personnalis\u00e9s ou de mod\u00e8les de magn\u00e9tisation et obtenir un devis comp\u00e9titif pour nos aimants disques en n\u00e9odyme N40 de 50 \u00d7 20 mm.<\/p>","protected":false},"excerpt":{"rendered":"<p>Dimensions : Diam\u00e8tre 50 mm x \u00c9paisseur 20 mm<br \/>\nTol\u00e9rance : \u00b10,1 x \u00b10,1<br \/>\nMat\u00e9riau : N\u00e9odyme, grade N40<br \/>\nPlacage\/Rev\u00eatement : Nickel<br \/>\nDirection de magn\u00e9tisation : axiale<br \/>\nTemp\u00e9rature maximale de fonctionnement : 80 \u00b0C (176 \u00b0F)<br \/>\nBr: 14000 Gauss<br \/>\nBH(max) : 40 MGOe<\/p>","protected":false},"featured_media":12211,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_eb_attr":""},"product_brand":[],"product_cat":[20],"product_tag":[],"class_list":["post-12212","product","type-product","status-publish","has-post-thumbnail","product_cat-ndfeb-magnet","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Neodymium Disc Magnet N40 D50*20MM - Hangzhou HS Magnet Co.,Ltd.<\/title>\n<meta name=\"description\" content=\"Premium N40 grade neodymium (NdFeB) disc magnet, \u00d850 \u00d7 20 mm, Br\u22481.29 T, BH\u2098\u2090\u2093\u224840 MGOe, Ni\u2013Cu\u2013Ni coating, \u00b10.05 mm tolerance. 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Ideal for motors, sensors, couplings &amp; industrial applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hsmagnet.com\/fr\/product\/aimant-disque-neodyme-n40-d5020mm\/\" \/>\n<meta property=\"og:site_name\" content=\"Hangzhou HS Magnet Co.,Ltd.\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-11T00:57:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/1pcs-N52-50x20mm-Super-Powerful-Strong-Bulk-Small-Round-NdFeB-Neodymium-Disc-Magnets-Dia-N40-N50.jpg_Q90.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/neodymium-disc-magnet-n40-d5020mm\\\/\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/neodymium-disc-magnet-n40-d5020mm\\\/\",\"name\":\"Neodymium Disc Magnet N40 D50*20MM - Hangzhou HS Magnet Co.,Ltd.\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/neodymium-disc-magnet-n40-d5020mm\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/product\\\/neodymium-disc-magnet-n40-d5020mm\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/1pcs-N52-50x20mm-Super-Powerful-Strong-Bulk-Small-Round-NdFeB-Neodymium-Disc-Magnets-Dia-N40-N50.jpg_Q90.jpg\",\"datePublished\":\"2025-08-13T02:43:00+00:00\",\"dateModified\":\"2025-11-11T00:57:34+00:00\",\"description\":\"Premium N40 grade neodymium (NdFeB) disc magnet, \u00d850 \u00d7 20 mm, Br\u22481.29 T, BH\u2098\u2090\u2093\u224840 MGOe, Ni\u2013Cu\u2013Ni coating, \u00b10.05 mm tolerance. 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