{"id":2831,"date":"2026-04-29T06:20:55","date_gmt":"2026-04-29T06:20:55","guid":{"rendered":"https:\/\/www.fuyao-quartz.com\/?post_type=product&p=2831"},"modified":"2026-04-29T06:21:03","modified_gmt":"2026-04-29T06:21:03","slug":"precision-sapphire-through-hole-bearings-for-optical-micro-mechanical-systems","status":"publish","type":"product","link":"https:\/\/www.fuyao-quartz.com\/fr\/product\/precision-sapphire-through-hole-bearings-for-optical-micro-mechanical-systems\/","title":{"rendered":"Roulements de pr\u00e9cision \u00e0 trous traversants en saphir pour syst\u00e8mes optiques et microm\u00e9caniques"},"content":{"rendered":"

\"\"Les roulements \u00e0 trous traversants en saphir sont des composants ultra-pr\u00e9cis fabriqu\u00e9s \u00e0 partir d'oxyde d'aluminium monocristallin (Al\u2082O\u2083), con\u00e7us pour des applications n\u00e9cessitant une r\u00e9sistance extr\u00eame \u00e0 l'usure, une stabilit\u00e9 dimensionnelle et des performances de frottement ultra-faibles.<\/p>\n

Par rapport aux roulements en m\u00e9tal ou en c\u00e9ramique conventionnelle, les roulements en saphir ont une dur\u00e9e de vie plus longue, n'\u00e9mettent pas de particules et offrent des performances sup\u00e9rieures dans les salles blanches, les syst\u00e8mes optiques et les syst\u00e8mes microm\u00e9caniques \u00e0 grande vitesse.<\/p>\n

ZMSH propose des roulements en saphir enti\u00e8rement personnalis\u00e9s, y compris le diam\u00e8tre de passage, le diam\u00e8tre ext\u00e9rieur, l'\u00e9paisseur, la finition de surface et la g\u00e9om\u00e9trie, adapt\u00e9s aux instruments de pr\u00e9cision, aux \u00e9quipements \u00e0 semi-conducteurs et aux applications a\u00e9rospatiales.<\/p>\n

\n

Avantages principaux<\/span><\/h1>\n

1. Duret\u00e9 et r\u00e9sistance \u00e0 l'usure tr\u00e8s \u00e9lev\u00e9es<\/span><\/h3>\n
    \n
  • Duret\u00e9 Mohs 9 (deuxi\u00e8me apr\u00e8s le diamant)<\/li>\n
  • Usure minimale en cas de rotation continue<\/li>\n
  • Maintien de la pr\u00e9cision pendant une longue dur\u00e9e de vie<\/li>\n<\/ul>\n

    Id\u00e9al pour les op\u00e9rations \u00e0 grande vitesse et de longue dur\u00e9e<\/p>\n

    \n

    2. Des performances de pr\u00e9cision exceptionnelles<\/span><\/h3>\n
      \n
    • Tol\u00e9rance du trou : \u00b10,005 - 0,02 mm<\/li>\n
    • Rugosit\u00e9 de surface : Ra < 0,02 \u03bcm<\/li>\n
    • Grande plan\u00e9it\u00e9 et parall\u00e9lisme<\/li>\n<\/ul>\n

      \u00a0Assure une rotation en douceur et une faible friction<\/p>\n

      \n

      3. Salle blanche et absence de contamination<\/span><\/h3>\n
        \n
      • Pas de d\u00e9bris m\u00e9talliques ni de pertes de particules<\/li>\n
      • Chimiquement inerte (r\u00e9sistant aux acides et aux alcalis)<\/li>\n
      • Convient aux environnements semi-conducteurs<\/li>\n<\/ul>\n

        Parfait pour les syst\u00e8mes d'aspiration et d'ultra-propret\u00e9<\/p>\n

        \n

        4. Stabilit\u00e9 \u00e0 haute temp\u00e9rature<\/span><\/h3>\n
          \n
        • Stable jusqu'\u00e0 des conditions de travail de plus de 1000\u00b0C<\/li>\n
        • Pas de d\u00e9formation ni de d\u00e9gradation des performances<\/li>\n<\/ul>\n
          \n

          5. Personnalisation souple<\/span><\/h3>\n
            \n
          • Diam\u00e8tre du trou de passage, diam\u00e8tre ext\u00e9rieur, \u00e9paisseur<\/li>\n
          • Chanfreinage, fraisage, trous \u00e9tag\u00e9s<\/li>\n
          • Surfaces polies \/ mates \/ hybrides<\/li>\n
          • Options rubis \/ transparent \/ saphir bleu<\/li>\n<\/ul>\n
            \n

            Sp\u00e9cifications techniques<\/span><\/h1>\n
            \n
            \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
            Param\u00e8tres<\/th>\nSp\u00e9cifications<\/th>\n<\/tr>\n<\/thead>\n
            Mat\u00e9riau<\/td>\nCristal unique Al\u2082O\u2083 (Saphir)<\/td>\n<\/tr>\n
            Diam\u00e8tre ext\u00e9rieur (OD)<\/td>\n1 - 50 mm<\/td>\n<\/tr>\n
            Diam\u00e8tre int\u00e9rieur (ID)<\/td>\n0,2 - 20 mm<\/td>\n<\/tr>\n
            \u00c9paisseur<\/td>\n0,2 - 10 mm<\/td>\n<\/tr>\n
            Tol\u00e9rance<\/td>\n\u00b10,005 - 0,02 mm<\/td>\n<\/tr>\n
            Plan\u00e9it\u00e9<\/td>\n\u2264 0,005 mm<\/td>\n<\/tr>\n
            Rugosit\u00e9 de surface<\/td>\n< 0,02 \u03bcm<\/td>\n<\/tr>\n
            Duret\u00e9<\/td>\nMohs 9<\/td>\n<\/tr>\n
            Densit\u00e9<\/td>\n3,97 g\/cm\u00b3<\/td>\n<\/tr>\n
            Finition de la surface<\/td>\nPoli \/ Mat \/ Hybride<\/td>\n<\/tr>\n
            Options de couleur<\/td>\nTransparent \/ Rubis \/ Bleu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
            \n

            Processus de fabrication<\/span><\/h1>\n

            Per\u00e7age de pr\u00e9cision<\/span><\/h3>\n
              \n
            • Per\u00e7age par ultrasons \/ per\u00e7age au laser<\/li>\n
            • Bords des trous nets, pas de microfissures<\/li>\n<\/ul>\n

              Rodage et polissage double face<\/span><\/h3>\n
                \n
              • Plan\u00e9it\u00e9 et finition de surface de qualit\u00e9 optique<\/li>\n
              • Am\u00e9lioration des performances de frottement<\/li>\n<\/ul>\n

                Profilage CNC<\/span><\/h3>\n
                  \n
                • Formes ext\u00e9rieures et tol\u00e9rances personnalis\u00e9es<\/li>\n
                • Grande r\u00e9gularit\u00e9 pour la production par lots<\/li>\n<\/ul>\n
                  \n

                  \"\"Applications<\/span><\/h1>\n

                  Les roulements \u00e0 trous traversants en saphir sont largement utilis\u00e9s dans :<\/p>\n

                    \n
                  • Instruments optiques (cardans, scanners, modules laser)<\/li>\n
                  • Dispositifs de mesure de pr\u00e9cision (comparateurs, syst\u00e8mes de micro-mouvement)<\/li>\n
                  • \u00c9quipements semi-conducteurs (pi\u00e8ces de positionnement et de guidage)<\/li>\n
                  • Dispositifs m\u00e9dicaux (micro-pompes, analyseurs)<\/li>\n
                  • Syst\u00e8mes a\u00e9rospatiaux (structures l\u00e9g\u00e8res de pr\u00e9cision)<\/li>\n
                  • Montres de luxe (roulements de bijou pour un frottement ultra-faible)<\/li>\n<\/ul>\n
                    \n

                    Pourquoi pr\u00e9f\u00e9rer le saphir aux paliers m\u00e9talliques ?<\/span><\/h1>\n
                    \n
                    \n\n\n\n\n\n\n\n\n\n
                    Fonctionnalit\u00e9<\/th>\nSaphir<\/th>\nM\u00e9tal<\/th>\n<\/tr>\n<\/thead>\n
                    R\u00e9sistance \u00e0 l'usure<\/td>\nExcellent<\/td>\nMod\u00e9r\u00e9<\/td>\n<\/tr>\n
                    Friction<\/td>\nTr\u00e8s faible<\/td>\nPlus \u00e9lev\u00e9<\/td>\n<\/tr>\n
                    Compatibilit\u00e9 avec les salles blanches<\/td>\nOui<\/td>\nNon<\/td>\n<\/tr>\n
                    R\u00e9sistance \u00e0 la corrosion<\/td>\nExcellent<\/td>\nLimit\u00e9e<\/td>\n<\/tr>\n
                    Dur\u00e9e de vie<\/td>\nTr\u00e8s longue<\/td>\nPlus court<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
                    \n

                    Pourquoi choisir le quartz de FUYAO ?<\/span><\/h1>\n
                      \n
                    • Plus de 10 ans d'exp\u00e9rience dans l'usinage de pr\u00e9cision du saphir<\/li>\n
                    • Traitement et polissage des cristaux en interne<\/li>\n
                    • Inspection de qualit\u00e9 optique (interf\u00e9rom\u00e8tre, CMM)<\/li>\n
                    • Prototypage rapide possible<\/li>\n
                    • Capacit\u00e9 de production de masse stable<\/li>\n<\/ul>\n
                      \n

                      FAQ<\/span><\/h1>\n

                      Q1 : Quelle est la plus petite taille de trou que vous pouvez obtenir ?
                      R : Nous pouvons produire des micro-trous traversants jusqu'\u00e0 0,2 mm, en fonction de l'\u00e9paisseur et du rapport d'aspect.<\/p>\n

                      Q2 : Pouvez-vous personnaliser des formes de trous complexes ?
                      R : Oui, y compris les trous \u00e9tag\u00e9s, les trous coniques et les g\u00e9om\u00e9tries sp\u00e9ciales.<\/p>\n

                      Q3 : Des roulements en rubis sont-ils disponibles ?
                      R : Oui, les options rubis et saphir bleu sont disponibles pour diff\u00e9rentes applications.<\/p>\n

                      Q4 : Le saphir peut-il remplacer les roulements traditionnels ?
                      R : Dans les environnements de haute pr\u00e9cision, \u00e0 faible frottement et propres, les roulements en saphir sont nettement plus performants que les roulements en m\u00e9tal et en c\u00e9ramique standard.<\/p>\n

                       <\/p>","protected":false},"excerpt":{"rendered":"

                      Les roulements \u00e0 trous traversants en saphir sont des composants ultra-pr\u00e9cis fabriqu\u00e9s \u00e0 partir d'oxyde d'aluminium monocristallin (Al\u2082O\u2083), con\u00e7us pour des applications n\u00e9cessitant une r\u00e9sistance extr\u00eame \u00e0 l'usure, une stabilit\u00e9 dimensionnelle et des performances de frottement ultra-faibles.<\/p>","protected":false},"featured_media":2834,"comment_status":"open","ping_status":"closed","template":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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 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