{"id":33255,"date":"2025-05-09T09:07:38","date_gmt":"2025-05-09T09:07:38","guid":{"rendered":"https:\/\/jbsy-china.com\/?post_type=product&p=33255"},"modified":"2025-07-30T06:30:02","modified_gmt":"2025-07-30T06:30:02","slug":"shear-bolts-black-oxide","status":"publish","type":"product","link":"https:\/\/jbsy-china.com\/es\/producto\/shear-bolts-black-oxide\/","title":{"rendered":"Pernos de cizalla \u00f3xido negro"},"content":{"rendered":"

\"\" \"\" \"\" \"\" \"\"<\/p>\n

El proceso de estampado en fr\u00edo es uno de los nuevos procesos de mecanizado a presi\u00f3n de menor o ning\u00fan corte<\/strong>
\nmetal. Es un m\u00e9todo de transformaci\u00f3n que utiliza la deformaci\u00f3n pl\u00e1stica del metal bajo la acci\u00f3n de<\/strong>
\nfuerzas externas y, con ayuda de moldes, redistribuye y transfiere el volumen de metal para formar<\/strong>
\nlas piezas o formatos necesarios. El proceso de estampaci\u00f3n en fr\u00edo es el m\u00e1s adecuado para producir piezas est\u00e1ndar.<\/strong>
\nelementos de fijaci\u00f3n como pernos, tornillos, tuercas, remaches, pasadores, etc.<\/strong><\/p>\n

\"\" \"\"<\/p>\n

A\u00a0Perno de cizallamiento<\/a> con \u00f3xido negro<\/strong>\u00a0es una fijaci\u00f3n especializada dise\u00f1ada para fallar bajo un par de apriete o carga excesivos, protegiendo as\u00ed los componentes m\u00e1s cr\u00edticos de un sistema mec\u00e1nico. He aqu\u00ed una descripci\u00f3n detallada:<\/p>\n

1. Material y construcci\u00f3n<\/strong><\/h5>\n
    \n
  • \n

    Normalmente se fabrica con\u00a0acero al carbono medio<\/strong>\u00a0o acero aleado para mayor resistencia.<\/p>\n<\/li>\n

  • \n

    Tratada t\u00e9rmicamente para conseguir una resistencia al cizallamiento precisa.<\/p>\n<\/li>\n<\/ul>\n

    2. Revestimiento de \u00f3xido negro<\/strong><\/h5>\n
      \n
    • \n

      Proceso:<\/strong>\u00a0El perno se somete a un recubrimiento de conversi\u00f3n qu\u00edmica (\u00f3xido negro) que crea un\u00a0capa de magnetita (Fe\u2083O\u2084)<\/strong>\u00a0en la superficie.<\/p>\n<\/li>\n

    • \n

      Apariencia:<\/strong>\u00a0Acabado negro mate.<\/p>\n<\/li>\n

    • \n

      Ventajas:<\/strong><\/p>\n

        \n
      • \n

        Resistencia a la corrosi\u00f3n:<\/strong>\u00a0Mayor protecci\u00f3n contra la oxidaci\u00f3n que el acero desnudo (aunque no tan resistente como el cincado).<\/p>\n<\/li>\n

      • \n

        Fricci\u00f3n reducida:<\/strong>\u00a0La superficie m\u00e1s lisa ayuda a la consistencia del par de apriete.<\/p>\n<\/li>\n

      • \n

        Est\u00e9tica y baja reflectividad:<\/strong>\u00a0\u00datil en aplicaciones en las que debe minimizarse el deslumbramiento o la visibilidad.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

        3. Caracter\u00edsticas de dise\u00f1o de los pernos de cizallamiento<\/strong><\/h5>\n
          \n
        • \n

          Punto de corte de precisi\u00f3n:<\/strong>\u00a0Dise\u00f1ado para romperse en un umbral de par espec\u00edfico.<\/p>\n<\/li>\n

        • \n

          Estilos de cabeza:<\/strong>\u00a0Cabezas hexagonales, de vaso o especiales (seg\u00fan la aplicaci\u00f3n).<\/p>\n<\/li>\n

        • \n

          Hilos:<\/strong>\u00a0Pueden estar total o parcialmente roscados, con tolerancias estrechas.<\/p>\n<\/li>\n<\/ul>\n

          4. Aplicaciones comunes<\/strong><\/h5>\n
            \n
          • \n

            Maquinaria agr\u00edcola<\/strong>\u00a0(por ejemplo, los ejes de las tomas de fuerza de los tractores).<\/p>\n<\/li>\n

          • \n

            Quitanieves y desbrozadoras<\/strong>\u00a0(protege las cadenas cinem\u00e1ticas).<\/p>\n<\/li>\n

          • \n

            Reductores y transportadores industriales.<\/strong><\/p>\n<\/li>\n

          • \n

            Sistemas de seguridad aeroespacial y de automoci\u00f3n.<\/strong><\/p>\n<\/li>\n<\/ul>\n

            5. Ventajas de los pernos de cizallamiento de \u00f3xido negro<\/strong><\/h5>\n
              \n
            • \n

              Fracaso controlado:<\/strong>\u00a0Protecci\u00f3n sacrificial para equipos caros.<\/p>\n<\/li>\n

            • \n

              Rentable:<\/strong>\u00a0El \u00f3xido negro es m\u00e1s barato que muchos otros revestimientos.<\/p>\n<\/li>\n

            • \n

              Estabilidad dimensional:<\/strong>\u00a0El revestimiento a\u00f1ade un grosor m\u00ednimo, garantizando el ajuste en tolerancias estrechas.<\/p>\n<\/li>\n<\/ul>\n

              6. Limitaciones<\/strong><\/h5>\n
                \n
              • \n

                Resistencia a la corrosi\u00f3n moderada:<\/strong>\u00a0No es ideal para entornos altamente corrosivos (por ejemplo, aplicaciones marinas) a menos que se complemente con aceite o cera.<\/p>\n<\/li>\n

              • \n

                Variabilidad de la resistencia al cizallamiento:<\/strong>\u00a0Es fundamental calibrar correctamente el par de apriete.<\/p>\n<\/li>\n<\/ul>\n

                Alternativas<\/strong><\/h5>\n
                  \n
                • \n

                  Pasadores de seguridad<\/strong>\u00a0(sin rosca, m\u00e1s f\u00e1cil de sustituir).<\/p>\n<\/li>\n

                • \n

                  Pernos de cizallamiento galvanizados o de acero inoxidable<\/strong>\u00a0(para entornos m\u00e1s duros).<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

                  Caracter\u00edsticas principales\uff1a<\/strong><\/h6>\n
                    \n
                  • \n

                    Material de la base:<\/strong>\u00a0Acero de carbono medio (por ejemplo, Grado 5, Grado 8) o acero aleado para una resistencia al cizallamiento controlada.<\/p>\n<\/li>\n

                  • \n

                    Tratamiento t\u00e9rmico:<\/strong>\u00a0Endurecido para alcanzar un punto de rotura espec\u00edfico manteniendo la tenacidad.<\/p>\n<\/li>\n

                  • \n

                    Mecanizado de precisi\u00f3n:<\/strong>\u00a0Las roscas y el v\u00e1stago se fabrican con tolerancias estrictas para un rendimiento constante.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":33168,"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 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":""}},"_themeisle_gutenberg_block_has_review":false,"_ti_tpc_template_sync":false,"_ti_tpc_template_id":""},"product_brand":[],"product_cat":[1272],"product_tag":[],"class_list":{"0":"post-33255","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-shear-off-nuts-and-bolts","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","10":"ast-product-gallery-layout-horizontal-slider","11":"ast-product-tabs-layout-horizontal","12":"ast-qv-on-image","14":"first","15":"instock","16":"shipping-taxable","17":"product-type-simple"},"yoast_head":"\nShear bolts black oxide - 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