{"id":18882,"date":"2024-04-19T17:21:52","date_gmt":"2024-04-19T09:21:52","guid":{"rendered":"https:\/\/firstmold.com\/?p=18882"},"modified":"2025-07-15T13:33:16","modified_gmt":"2025-07-15T05:33:16","slug":"what-is-an-injection-mold-slider","status":"publish","type":"post","link":"https:\/\/firstmold.com\/pt\/guides\/what-is-an-injection-mold-slider\/","title":{"rendered":"O que \u00e9 um deslizador de molde de inje\u00e7\u00e3o?"},"content":{"rendered":"<p>As corredi\u00e7as do molde de inje\u00e7\u00e3o s\u00e3o um componente muito importante da conce\u00e7\u00e3o do molde. Os cursores e <a href=\"https:\/\/firstmold.com\/pt\/guides\/mold-lifter\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>elevadores<\/strong><\/a> partilham certas semelhan\u00e7as funcionais (em termos estritos, os elevadores fazem parte do sistema deslizante). Para facilitar a compreens\u00e3o dos entusiastas dos moldes, explicarei os sliders e os lifters separadamente. Os interessados podem clicar no link para a p\u00e1gina dos elevadores para saber mais sobre os elevadores.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-slider-in-injection-mold\">O que \u00e9 um cursor no molde de inje\u00e7\u00e3o<\/h2>\n\n\n\n<p>Nos produtos moldados por inje\u00e7\u00e3o, \u00e9 comum encontrar muitos produtos com um grande n\u00famero de ranhuras, orif\u00edcios ou <a href=\"https:\/\/firstmold.com\/pt\/tips\/undercuts-in-product-design\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>estruturas de subcota\u00e7\u00e3o<\/strong><\/a>. Sabemos que durante o <a href=\"https:\/\/firstmold.com\/pt\/guides\/what-is-injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>processo de moldagem por inje\u00e7\u00e3o<\/strong><\/a>Depois de as pe\u00e7as serem moldadas, o n\u00facleo e a cavidade t\u00eam de ser abertos e o produto \u00e9 ejectado utilizando pinos ejectores para retirar a pe\u00e7a do molde. No entanto, se a pe\u00e7a tiver cortes inferiores, orif\u00edcios ou ranhuras, isso impede que o n\u00facleo e a cavidade se separem normalmente. Nesses casos, \u00e9 necess\u00e1ria uma corredi\u00e7a de molde de inje\u00e7\u00e3o para ajudar na desmoldagem.<\/p>\n\n\n\n<p>Para que todos compreendam melhor, vejamos a imagem seguinte, que mostra uma pe\u00e7a com uma estrutura de corte inferior na parte lateral. Isto \u00e9 muito comum em pe\u00e7as moldadas por inje\u00e7\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"504\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Injection-molded-parts-with-undercut-structure-1.webp\" alt=\"Pe\u00e7as moldadas por inje\u00e7\u00e3o com estrutura de corte inferior\" class=\"wp-image-18888\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Injection-molded-parts-with-undercut-structure-1.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Injection-molded-parts-with-undercut-structure-1-300x151.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Injection-molded-parts-with-undercut-structure-1-768x387.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Injection-molded-parts-with-undercut-structure-1-18x9.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Pe\u00e7as moldadas por inje\u00e7\u00e3o com estrutura de corte inferior<\/figcaption><\/figure>\n\n\n\n<p>Vejamos a vista lateral desta pe\u00e7a. A \u00e1rea vazia mostrada na imagem representa a estrutura de corte inferior da pe\u00e7a. Se o n\u00facleo e a cavidade fossem separados neste ponto, a pe\u00e7a ficaria presa no n\u00facleo e n\u00e3o seria desmoldada suavemente.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"578\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-injection-molded-part-with-inverted-structure-1.webp\" alt=\"Vista lateral da pe\u00e7a moldada por inje\u00e7\u00e3o com estrutura invertida\" class=\"wp-image-18890\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-injection-molded-part-with-inverted-structure-1.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-injection-molded-part-with-inverted-structure-1-300x173.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-injection-molded-part-with-inverted-structure-1-768x444.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-injection-molded-part-with-inverted-structure-1-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Vista lateral da pe\u00e7a moldada por inje\u00e7\u00e3o com estrutura invertida<\/figcaption><\/figure>\n\n\n\n<p>Nesta altura, podemos adicionar um mecanismo deslizante. O deslizador pode ser puxado horizontalmente antes de a pe\u00e7a moldada por inje\u00e7\u00e3o ser ejectada, permitindo uma desmoldagem suave. Portanto, n\u00e3o \u00e9 dif\u00edcil perceber que o controlo deslizante se refere a um componente da estrutura do molde que se pode mover ao longo do eixo do molde. \u00c9 normalmente utilizado para ajustar a altura da abertura do molde e ajudar na desmoldagem, entre outras fun\u00e7\u00f5es.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"578\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-the-demolding-process-with-slider-design-added-1.webp\" alt=\"Vista lateral do processo de desmoldagem com o desenho do cursor adicionado.\" class=\"wp-image-18891\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-the-demolding-process-with-slider-design-added-1.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-the-demolding-process-with-slider-design-added-1-300x173.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-the-demolding-process-with-slider-design-added-1-768x444.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Side-view-of-the-demolding-process-with-slider-design-added-1-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Vista lateral do processo de desmoldagem com o desenho do cursor adicionado.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-composition-and-working-principle-of-the-slider\">A composi\u00e7\u00e3o e o princ\u00edpio de funcionamento da barra deslizante<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-composition\">Composi\u00e7\u00e3o<\/h3>\n\n\n\n<p>Os componentes b\u00e1sicos de um controlo deslizante convencional incluem a base do controlo deslizante, <a href=\"https:\/\/firstmold.com\/pt\/guides\/mold-inserts\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>inser\u00e7\u00e3o do cursor<\/strong><\/a>, bloco de prensagem, cunha, cavilha angular (cavilha-guia), placa de desgaste, parafuso de fecho e molas. Cada componente tem a sua fun\u00e7\u00e3o espec\u00edfica.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Base deslizante:<\/strong>&nbsp;Fixa a corredi\u00e7a e suporta a sua press\u00e3o operacional e carga de movimento, assegurando que a corredi\u00e7a se move ao longo da trajet\u00f3ria correcta e se mant\u00e9m alinhada.<\/li>\n\n\n\n<li><strong>Bloco de imprensa:<\/strong>&nbsp;Suporta e guia a metade superior do cursor. Ajuda a manter a dist\u00e2ncia entre a corredi\u00e7a e o n\u00facleo, assegurando o funcionamento normal da prensa e a sua precis\u00e3o.<\/li>\n\n\n\n<li><strong>Cavilha angular (cavilha-guia):<\/strong>&nbsp;Utiliza a sua orienta\u00e7\u00e3o angular para converter o movimento vertical do <a href=\"https:\/\/firstmold.com\/pt\/guides\/injection-molding-machine\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>m\u00e1quina de moldagem por inje\u00e7\u00e3o<\/strong><\/a> durante a abertura e o fecho no movimento horizontal da corredi\u00e7a. Isto facilita a extra\u00e7\u00e3o do n\u00facleo da cavidade do molde.<\/li>\n\n\n\n<li><strong>Parafuso de fecho:<\/strong>&nbsp;Um componente de parafuso fixado na corredi\u00e7a do molde de pl\u00e1stico que controla o curso da corredi\u00e7a durante o movimento, impedindo o movimento excessivo ou o movimento para al\u00e9m do intervalo designado, assegurando assim o funcionamento normal do molde.<\/li>\n\n\n\n<li><strong>Cunha:<\/strong>&nbsp;Utilizado para comprimir o cursor, impedindo-o de se retrair durante a inje\u00e7\u00e3o devido \u00e0 press\u00e3o da inje\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Inser\u00e7\u00e3o de cursor:<\/strong>&nbsp;Para pe\u00e7as moldadas, especialmente as sec\u00e7\u00f5es de corte inferior de produtos moldados, quando os requisitos de precis\u00e3o s\u00e3o rigorosos, estas sec\u00e7\u00f5es devem ser transformadas separadamente em inser\u00e7\u00f5es. Isto facilita a futura substitui\u00e7\u00e3o e manuten\u00e7\u00e3o, e s\u00e3o fixadas na base do carro.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"474\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Slide-Component-1-1024x474.webp\" alt=\"Componente do diapositivo\" class=\"wp-image-18892\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Slide-Component-1-1024x474.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Slide-Component-1-300x139.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Slide-Component-1-768x356.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Slide-Component-1-18x8.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Slide-Component-1.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Componente do diapositivo<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-working-principle\">Princ\u00edpio de funcionamento<\/h3>\n\n\n\n<p>O deslizador n\u00e3o tem circuitos nem cilindros hidr\u00e1ulicos, de onde vem a sua energia? A fonte de energia do sistema deslizante prov\u00e9m do movimento da coluna de guia angular. Durante o processo de abertura e fecho do molde, a presen\u00e7a da coluna de guia angular gera fric\u00e7\u00e3o com a parede interior da corredi\u00e7a. Esta for\u00e7a de fric\u00e7\u00e3o faz com que todo o sistema deslizante se mova numa dire\u00e7\u00e3o perpendicular \u00e0 dire\u00e7\u00e3o de desmoldagem.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"578\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/The-entire-slider-system-is-driven-by-the-up-and-down-movement-of-the-slide-angle-pin-1.webp\" alt=\"Todo o sistema deslizante \u00e9 acionado pelo movimento para cima e para baixo do pino de \u00e2ngulo deslizante.\" class=\"wp-image-18893\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/The-entire-slider-system-is-driven-by-the-up-and-down-movement-of-the-slide-angle-pin-1.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/The-entire-slider-system-is-driven-by-the-up-and-down-movement-of-the-slide-angle-pin-1-300x173.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/The-entire-slider-system-is-driven-by-the-up-and-down-movement-of-the-slide-angle-pin-1-768x444.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/The-entire-slider-system-is-driven-by-the-up-and-down-movement-of-the-slide-angle-pin-1-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Todo o sistema deslizante \u00e9 acionado pelo movimento para cima e para baixo do pino de \u00e2ngulo deslizante.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-injection-mold-slider-design-principle\">Princ\u00edpio de conce\u00e7\u00e3o da corredi\u00e7a do molde de inje\u00e7\u00e3o<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reasonable-manufacturability\">Capacidade de fabrico razo\u00e1vel<\/h3>\n\n\n\n<p>Os componentes do mecanismo deslizante devem ter <a href=\"https:\/\/firstmold.com\/pt\/guides\/manufacturability\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>possibilidade de fabrico razo\u00e1vel<\/strong><\/a>especialmente as pe\u00e7as de moldagem. Os requisitos gerais incluem:<\/p>\n\n\n\n<p>a. Evitar, tanto quanto poss\u00edvel, a forma\u00e7\u00e3o de linhas de soldadura na posi\u00e7\u00e3o do cursor. Se for inevit\u00e1vel, a linha de soldadura deve ser localizada numa parte menos percet\u00edvel da pe\u00e7a de borracha e o comprimento da linha de soldadura deve ser minimizado. Al\u00e9m disso, deve ser utilizada uma estrutura composta sempre que poss\u00edvel, permitindo que a \u00e1rea da linha de soldadura do cursor seja maquinada juntamente com a cavidade.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"797\" height=\"416\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/There-should-be-no-weld-lines-in-the-slider-system-1.webp\" alt=\"N\u00e3o deve haver linhas de soldadura no sistema deslizante\" class=\"wp-image-18894\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/There-should-be-no-weld-lines-in-the-slider-system-1.webp 797w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/There-should-be-no-weld-lines-in-the-slider-system-1-300x157.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/There-should-be-no-weld-lines-in-the-slider-system-1-768x401.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/There-should-be-no-weld-lines-in-the-slider-system-1-18x9.webp 18w\" sizes=\"(max-width: 797px) 100vw, 797px\" \/><figcaption class=\"wp-element-caption\">N\u00e3o deve haver linhas de soldadura no sistema deslizante<\/figcaption><\/figure>\n\n\n\n<p>b. Para facilitar a maquinagem, a pe\u00e7a moldada e a pe\u00e7a deslizante devem, idealmente, ser fabricadas como uma estrutura combinada.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-sufficient-strength-and-stiffness\">Resist\u00eancia e rigidez suficientes<\/h3>\n\n\n\n<p>Os mecanismos de deslizamento s\u00e3o geralmente concebidos com base na experi\u00eancia e podem tamb\u00e9m ser efectuados c\u00e1lculos simplificados para garantir uma resist\u00eancia e uma rigidez adequadas, geralmente adoptadas:<\/p>\n\n\n\n<p>a. Dimens\u00f5es estruturais m\u00e1ximas. Quando o posicionamento espacial o permitir, os componentes dos cursores devem utilizar as maiores dimens\u00f5es estruturais poss\u00edveis.<\/p>\n\n\n\n<p>b. Estrutura de conce\u00e7\u00e3o optimizada.<\/p>\n\n\n\n<p>1). Posicionamento na extremidade do pino deslizante mais longo para evitar a flex\u00e3o do pino deslizante.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"864\" height=\"247\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Avoid-slide-ejector-pin-bending-in-slider-design-1.webp\" alt=\"Evitar a flex\u00e3o do pino ejetor da corredi\u00e7a na conce\u00e7\u00e3o da corredi\u00e7a\" class=\"wp-image-18884\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Avoid-slide-ejector-pin-bending-in-slider-design-1.webp 864w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Avoid-slide-ejector-pin-bending-in-slider-design-1-300x86.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Avoid-slide-ejector-pin-bending-in-slider-design-1-768x220.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Avoid-slide-ejector-pin-bending-in-slider-design-1-18x5.webp 18w\" sizes=\"(max-width: 864px) 100vw, 864px\" \/><figcaption class=\"wp-element-caption\">Evitar a flex\u00e3o do pino ejetor da corredi\u00e7a na conce\u00e7\u00e3o da corredi\u00e7a<\/figcaption><\/figure>\n\n\n\n<p>2). Alterar a estrutura da cunha para aumentar a resist\u00eancia das pe\u00e7as de montagem do molde.<\/p>\n\n\n\n<p>3). Aumentar o bloqueio para melhorar a resist\u00eancia da cunha.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-slider-motion\">Movimento do cursor<\/h3>\n\n\n\n<p>Para garantir o funcionamento normal do sistema deslizante, \u00e9 crucial que, durante a abertura e o fecho do molde, o mecanismo deslizante n\u00e3o interfira com outros componentes estruturais e que a sequ\u00eancia de movimentos seja l\u00f3gica e fi\u00e1vel. Normalmente, s\u00e3o recomendadas v\u00e1rias considera\u00e7\u00f5es:<\/p>\n\n\n\n<p>A. Ao utilizar um seletor de cavidades, deve ser assegurada a sequ\u00eancia de abertura do molde.<\/p>\n\n\n\n<p>B. Quando se utilizam cursores hidr\u00e1ulicos, a sequ\u00eancia do corte e do retorno deve ser corretamente controlada; caso contr\u00e1rio, o cursor pode colidir e causar danos.<\/p>\n\n\n\n<p>C. Durante o fecho do molde, \u00e9 essencial evitar que o sistema deslizante interfira com o sistema ejetor.<\/p>\n\n\n\n<p>Quando as projec\u00e7\u00f5es do sistema deslizante e do sistema ejetor se sobrep\u00f5em na dire\u00e7\u00e3o da abertura do molde, \u00e9 aconselh\u00e1vel repor o sistema deslizante para permitir que o sistema ejetor se reponha primeiro.<\/p>\n\n\n\n<p>D. Quando o pino angular que acciona a corredi\u00e7a \u00e9 comprido, \u00e9 necess\u00e1rio aumentar o comprimento do pino guia do molde.<\/p>\n\n\n\n<p>O objetivo da extens\u00e3o da cavilha-guia \u00e9 assegurar que, antes de a cavilha angular colocar o sistema deslizante em posi\u00e7\u00e3o, o molde e a cavidade s\u00e3o totalmente guiados pela cavilha-guia e pelo casquilho-guia, evitando danos no sistema deslizante durante o fecho do molde.<\/p>\n\n\n\n<p>(4) Assegurar um curso suficiente do cursor para facilitar a desmoldagem das pe\u00e7as de borracha<\/p>\n\n\n\n<p>O curso da corredi\u00e7a \u00e9 geralmente calculado com base na profundidade dos furos laterais ou na profundidade dos relevos mais 0,5 a 2,0 mm adicionais. Para os elevadores, \u00e9 utilizado o valor mais pequeno, enquanto que para outros tipos, \u00e9 escolhido o valor maior. No entanto, quando se utilizam moldes montados para moldar pe\u00e7as como a estrutura do transformador, o curso deve ser maior do que a profundidade dos recessos laterais.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lifespan\">Tempo de vida<\/h3>\n\n\n\n<p>O cursor deve mover-se de forma suave e fi\u00e1vel e deve ter suficiente <a href=\"https:\/\/firstmold.com\/pt\/tips\/mold-lifespan\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>vida \u00fatil<\/strong><\/a>.<\/p>\n\n\n\n<p>O sistema deslizante utiliza normalmente uma ranhura de guia em forma de T para orienta\u00e7\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"871\" height=\"265\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Commonly-used-guide-structure-1.webp\" alt=\"Estrutura de guia comummente utilizada\" class=\"wp-image-18886\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Commonly-used-guide-structure-1.webp 871w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Commonly-used-guide-structure-1-300x91.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Commonly-used-guide-structure-1-768x234.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Commonly-used-guide-structure-1-18x5.webp 18w\" sizes=\"(max-width: 871px) 100vw, 871px\" \/><figcaption class=\"wp-element-caption\">Estrutura de guia comummente utilizada<\/figcaption><\/figure>\n\n\n\n<p>Quando o sistema deslizante completa a separa\u00e7\u00e3o lateral ou a extra\u00e7\u00e3o do n\u00facleo, o comprimento do bloco deslizante deixado dentro da ranhura da guia n\u00e3o deve ser inferior a dois ter\u00e7os do seu comprimento total. Se o tamanho da placa do molde n\u00e3o puder cumprir o comprimento m\u00ednimo de encaixe, pode ser utilizada uma ranhura de guia alargada.<\/p>\n\n\n\n<p>A superf\u00edcie de guia da corredi\u00e7a (ou seja, a superf\u00edcie de contacto m\u00f3vel e a superf\u00edcie de suporte de carga) deve ter dureza e lubrifica\u00e7\u00e3o suficientes. Geralmente, os componentes da corredi\u00e7a devem ser tratados termicamente, com uma dureza superior a HRC40. A dureza das pe\u00e7as guia deve situar-se entre HRC52 e HRC56, e estas pe\u00e7as devem ter ranhuras de \u00f3leo maquinadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reliable-positioning\">Posicionamento fi\u00e1vel<\/h3>\n\n\n\n<p>Depois de o sistema deslizante completar a a\u00e7\u00e3o de separa\u00e7\u00e3o ou de extra\u00e7\u00e3o do n\u00facleo, deve permanecer na posi\u00e7\u00e3o em que o movimento acabou de terminar para assegurar um retorno bem sucedido durante o fecho do molde. Por conseguinte, \u00e9 necess\u00e1rio um dispositivo de posicionamento fi\u00e1vel, embora um sistema deslizante com elevadores n\u00e3o necessite de um dispositivo de posicionamento. Abaixo encontram-se v\u00e1rias formas estruturais normalmente utilizadas.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"578\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Common-structures-for-slider-positioning-1.webp\" alt=\"Estruturas comuns para o posicionamento do seletor\" class=\"wp-image-18885\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Common-structures-for-slider-positioning-1.webp 1000w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Common-structures-for-slider-positioning-1-300x173.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Common-structures-for-slider-positioning-1-768x444.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/04\/Common-structures-for-slider-positioning-1-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Estruturas comuns para o posicionamento do seletor<\/figcaption><\/figure>\n\n\n\n<p>Tipo a): Este tipo \u00e9 normalmente utilizado, mas devido \u00e0s limita\u00e7\u00f5es das molas incorporadas, a dist\u00e2ncia do curso \u00e9 pequena.<\/p>\n\n\n\n<p>Tipo b) \u00c9 adequado para moldes em que, ap\u00f3s a instala\u00e7\u00e3o, o cursor \u00e9 posicionado por cima ou de lado e tem uma dist\u00e2ncia de desloca\u00e7\u00e3o maior. Quando a corredi\u00e7a est\u00e1 por cima, a for\u00e7a da mola deve ser superior a 1,5 vezes o peso da corredi\u00e7a.<\/p>\n\n\n\n<p>Tipo c) \u00c9 adequado para moldes em que, ap\u00f3s a instala\u00e7\u00e3o, o cursor \u00e9 posicionado lateralmente.<\/p>\n\n\n\n<p>Tipo d) \u00c9 adequado para moldes em que, ap\u00f3s a instala\u00e7\u00e3o, o cursor \u00e9 posicionado por baixo e permanece no bloco de rolha pelo seu pr\u00f3prio peso.<\/p>","protected":false},"excerpt":{"rendered":"<p>Este artigo descreve o que \u00e9 um cursor de molde de inje\u00e7\u00e3o nos termos mais compreens\u00edveis. Tamb\u00e9m fornece ideias de design de controlos deslizantes.<\/p>","protected":false},"author":5,"featured_media":18887,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[47],"tags":[60],"class_list":["post-18882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-injection-mold-component"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Injection Mold Slider | Slides In Injeciton Molding<\/title>\n<meta name=\"description\" content=\"Enhance production with our Injection Molding Slider services. 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