{"id":33495,"date":"2025-05-16T07:06:10","date_gmt":"2025-05-16T07:06:10","guid":{"rendered":"https:\/\/jbsy-china.com\/?post_type=product&p=33495"},"modified":"2025-06-05T09:11:38","modified_gmt":"2025-06-05T09:11:38","slug":"slotted-chicago-screws","status":"publish","type":"product","link":"https:\/\/jbsy-china.com\/pt\/produto\/slotted-chicago-screws\/","title":{"rendered":"Parafusos Chicago com ranhuras"},"content":{"rendered":"

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

O processo de encabe\u00e7amento a frio \u00e9 um dos novos processos para a maquinagem sob press\u00e3o com menos ou nenhum corte<\/strong>
\nmetal. \u00c9 um m\u00e9todo de processamento que utiliza a deforma\u00e7\u00e3o pl\u00e1stica do metal sob a a\u00e7\u00e3o de<\/strong>
\nfor\u00e7as externas e, com a ajuda de moldes, redistribui e transfere o volume de metal para formar<\/strong>
\nas pe\u00e7as ou os espa\u00e7os em branco necess\u00e1rios. O processo de encabe\u00e7amento a frio \u00e9 o mais adequado para a produ\u00e7\u00e3o de<\/strong>
\nelementos de fixa\u00e7\u00e3o, tais como cavilhas, parafusos, porcas, rebites, cavilhas, etc.<\/strong><\/p>\n

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

1. Defini\u00e7\u00e3o fundamental<\/strong><\/h4>\n

Parafusos Chicago com ranhuras (vulgarmente designados por\u00a0parafusos sexuais<\/em>\u00a0ou\u00a0barris de liga\u00e7\u00e3o<\/em>) s\u00e3o fixadores especializados de duas pe\u00e7as concebidos para montagens seguras e embutidas. Estes fixadores mec\u00e2nicos s\u00e3o constitu\u00eddos por dois componentes interligados:<\/p>\n

    \n
  • \n

    Parafuso macho<\/strong>: Possui uma cabe\u00e7a de acionamento com ranhuras e roscas de m\u00e1quina externas<\/p>\n<\/li>\n

  • \n

    Barril feminino<\/strong>: Cont\u00e9m roscas internas e uma flange externa para distribui\u00e7\u00e3o da carga<\/p>\n<\/li>\n<\/ul>\n

    2. Carater\u00edsticas principais<\/strong><\/h4>\n
      \n
    • \n

      Montagem revers\u00edvel<\/strong>: Permite a desmontagem repetida sem danos materiais<\/p>\n<\/li>\n

    • \n

      Capacidade de montagem embutida<\/strong>: As cabe\u00e7as escareadas ficam quase niveladas com as superf\u00edcies<\/p>\n<\/li>\n

    • \n

      Resist\u00eancia \u00e0 vibra\u00e7\u00e3o<\/strong>: A liga\u00e7\u00e3o roscada resiste ao auto-afrouxamento<\/p>\n<\/li>\n

    • \n

      Amigo dos materiais<\/strong>: Elimina os danos por compress\u00e3o comuns aos rebites<\/p>\n<\/li>\n<\/ul>\n

      4. Propriedades mec\u00e2nicas<\/strong><\/h4>\n
        \n
      • \n

        Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/strong>: 45.000-70.000 psi (a\u00e7o carbono)<\/p>\n<\/li>\n

      • \n

        Resist\u00eancia ao cisalhamento<\/strong>: ~60% de resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/p>\n<\/li>\n

      • \n

        Capacidade de bin\u00e1rio<\/strong>: 4-25 in-lbs dependendo do tamanho<\/p>\n<\/li>\n

      • \n

        Gama de temperaturas<\/strong>: -20\u00b0F a +250\u00b0F (a\u00e7o n\u00e3o tratado)<\/p>\n<\/li>\n<\/ul>\n

        5. Vantagens funcionais<\/strong><\/h4>\n
          \n
        • \n

          Controlo de tens\u00e3o de precis\u00e3o<\/strong>: Aperto regul\u00e1vel<\/p>\n<\/li>\n

        • \n

          Est\u00e9tica limpa<\/strong>: Instala\u00e7\u00e3o de baixo perfil<\/p>\n<\/li>\n

        • \n

          Versatilidade de materiais<\/strong>: Compat\u00edvel com couro, madeira, pl\u00e1sticos, comp\u00f3sitos<\/p>\n<\/li>\n

        • \n

          Facilidade de manuten\u00e7\u00e3o<\/strong>: Facilita o acesso para manuten\u00e7\u00e3o<\/p>\n<\/li>\n<\/ul>\n

          6. Aplica\u00e7\u00f5es no sector<\/strong><\/h4>\n
            \n
          • \n

            Artesanato em couro<\/strong>: Coldres, cintos, selas<\/p>\n<\/li>\n

          • \n

            Trabalhos em madeira<\/strong>: M\u00f3veis, arm\u00e1rios, expositores<\/p>\n<\/li>\n

          • \n

            Industrial<\/strong>: Pain\u00e9is de equipamento, sinal\u00e9tica<\/p>\n<\/li>\n

          • \n

            Comercial<\/strong>: Expositores de retalho, caixas de amostras<\/p>\n<\/li>\n<\/ul>\n

              \n
            1. <\/li>\n<\/ol>\n

              8. Indicadores de qualidade<\/strong><\/h4>\n
                \n
              • \n

                Fios<\/strong>: Engate suave sem rosca cruzada<\/p>\n<\/li>\n

              • \n

                Flange<\/strong>: Superf\u00edcie de apoio plana e sem rebarbas<\/p>\n<\/li>\n

              • \n

                Ranhura<\/strong>: Centrado, corretamente maquinado para o encaixe do condutor<\/p>\n<\/li>\n<\/ul>\n

                10. Considera\u00e7\u00f5es sobre manuten\u00e7\u00e3o<\/strong><\/h4>\n
                  \n
                • \n

                  Inspe\u00e7\u00e3o<\/strong>: Controlo anual em caso de utiliza\u00e7\u00e3o com vibra\u00e7\u00f5es elevadas<\/p>\n<\/li>\n

                • \n

                  Substitui\u00e7\u00e3o<\/strong>: Quando as roscas apresentam um desgaste >30%<\/p>\n<\/li>\n

                • \n

                  Preven\u00e7\u00e3o da corros\u00e3o<\/strong>: Utilizar as vers\u00f5es revestidas\/inoxid\u00e1veis em ambientes h\u00famidos<\/p>\n<\/li>\n<\/ul>\n

                  12. Contexto hist\u00f3rico<\/strong><\/h4>\n

                  Patenteados pela primeira vez no final do s\u00e9culo XIX para aplica\u00e7\u00f5es de encaderna\u00e7\u00e3o, os parafusos Chicago com ranhuras evolu\u00edram para fixadores essenciais em v\u00e1rios sectores. O seu design simples, mas eficaz, manteve-se praticamente inalterado durante mais de 100 anos, demonstrando uma longevidade funcional excecional.<\/p>","protected":false},"excerpt":{"rendered":"

                  Carater\u00edsticas principais<\/strong><\/h6>\n
                    \n
                  • \n

                    Montagem revers\u00edvel<\/strong>: Permite a desmontagem repetida sem danos materiais<\/p>\n<\/li>\n

                  • \n

                    Capacidade de montagem embutida<\/strong>: As cabe\u00e7as escareadas ficam quase niveladas com as superf\u00edcies<\/p>\n<\/li>\n

                  • \n

                    Resist\u00eancia \u00e0 vibra\u00e7\u00e3o<\/strong>: A liga\u00e7\u00e3o roscada resiste ao auto-afrouxamento<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":33476,"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":[1276],"product_tag":[],"class_list":{"0":"post-33495","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-chicago-screw","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":"\nSlotted Chicago Screws - 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