{"id":370,"date":"2023-06-20T11:37:31","date_gmt":"2023-06-20T11:37:31","guid":{"rendered":"https:\/\/physigeek.com\/pt\/prateleira-1\/"},"modified":"2023-06-20T11:37:31","modified_gmt":"2023-06-20T11:37:31","slug":"prateleira-1","status":"publish","type":"post","link":"https:\/\/physigeek.com\/pt\/prateleira-1\/","title":{"rendered":"Engrenagem de cremalheira"},"content":{"rendered":"<p>Este artigo explica o que s\u00e3o engrenagens de cremalheira e mecanismo de cremalheira e pinh\u00e3o. Al\u00e9m disso, voc\u00ea aprender\u00e1 para que serve o equipamento de cremalheira e suas vantagens e desvantagens. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-el-engranaje-de-cremallera\"><\/span> O que \u00e9 equipamento de cremalheira e pinh\u00e3o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> A <strong>engrenagem de cremalheira<\/strong> \u00e9 uma barra cujos dentes geralmente engrenam com uma engrenagem de dentes retos, formando assim o mecanismo de cremalheira.<\/p>\n<p> A engrenagem de cremalheira \u00e9 usada para transformar o movimento rotativo em movimento linear. Assim, a rota\u00e7\u00e3o da roda dentada move a cremalheira em linha reta. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/cremaillere.jpg\" alt=\"\" class=\"wp-image-6703\" width=\"330\" height=\"196\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/cremaillere-300x178.jpg 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/cremaillere.jpg 493w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p> Resumindo, o funcionamento de uma engrenagem de cremalheira \u00e9 semelhante ao de uma engrenagem cl\u00e1ssica, pois \u00e9 composta por dentes para poder engatar com outra engrenagem. A \u00fanica diferen\u00e7a \u00e9 que em vez de ter formato redondo, \u00e9 uma barra r\u00edgida e serrilhada. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mecanismo-pinon-cremallera\"><\/span> Mecanismo de cremalheira e pinh\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> O <strong>mecanismo de cremalheira<\/strong> \u00e9 um mecanismo que transforma um movimento rotativo em um movimento retil\u00edneo. Assim, este tipo de mecanismo \u00e9 composto por dois elementos mec\u00e2nicos: o pinh\u00e3o e a cremalheira.<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Rack<\/strong> : \u00c9 uma barra r\u00edgida que avan\u00e7a linearmente. O mecanismo da cremalheira \u00e9 revers\u00edvel, a barra pode mover-se para frente ou para tr\u00e1s.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Pinh\u00e3o<\/strong> : \u00e9 uma roda dentada que engata na cremalheira. O pinh\u00e3o pode girar em ambos os sentidos de rota\u00e7\u00e3o poss\u00edveis, al\u00e9m disso, dependendo do sentido de rota\u00e7\u00e3o do pinh\u00e3o, a cremalheira se mover\u00e1 em uma dire\u00e7\u00e3o ou outra.<\/span> <\/li>\n<\/ul>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"370\" height=\"330\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/cremaillere.png\" alt=\"mecanismo de cremalheira e pinh\u00e3o\" class=\"wp-image-6761\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/cremaillere-300x268.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/cremaillere.png 370w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p> Para que as duas partes do mecanismo se encaixem corretamente e para que o mecanismo de cremalheira funcione, os dois componentes devem ter o mesmo passo e, portanto, o mesmo m\u00f3dulo. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ventajas-y-desventajas-del-engranaje-de-cremallera\"><\/span> Vantagens e desvantagens das engrenagens de cremalheira<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong><u style=\"text-decoration-color:#4fd12f\">Vantagens das engrenagens de cremalheira:<\/u><\/strong><\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">\u00c9 um mecanismo muito simples, o que o torna adapt\u00e1vel e flex\u00edvel.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">Com a engrenagem de cremalheira, altas pot\u00eancias podem ser transmitidas.<\/span><\/li>\n<\/ul>\n<p> <u style=\"text-decoration-color:#4fd12f\"><strong>Desvantagens <u style=\"text-decoration-color:#4fd12f\">das engrenagens de cremalheira<\/u> :<\/strong><\/u><\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">\u00c9 um tipo de engrenagem que precisa ser lubrificada para seu bom funcionamento.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">\u00c9 um sistema de transmiss\u00e3o de movimento barulhento.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\">O desgaste da cremalheira sofrido pelo contato com o pinh\u00e3o \u00e9 significativo.<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Aplicaciones-del-engranaje-de-cremallera\"><\/span> Aplica\u00e7\u00f5es de engrenagens de cremalheira e pinh\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> As engrenagens de cremalheira e pinh\u00e3o t\u00eam uma ampla variedade de aplica\u00e7\u00f5es. Por exemplo, o mecanismo de cremalheira e pinh\u00e3o \u00e9 utilizado em saca-rolhas, no mecanismo de abertura e fechamento de algumas portas e at\u00e9 em furadeiras.<\/p>\n<p> Da mesma forma, no setor automobil\u00edstico, engrenagens de cremalheira e pinh\u00e3o s\u00e3o utilizadas na dire\u00e7\u00e3o de autom\u00f3veis. \u00c9, portanto, uma parte do sistema que transmite o movimento do volante do ve\u00edculo \u00e0s rodas.<\/p>\n<p> Finalmente, outro uso comum para engrenagens de cremalheira e pinh\u00e3o \u00e9 no transporte. As ferrovias de cremalheira usam, portanto, esse mecanismo para poder viajar em \u00e1reas montanhosas com declives acentuados.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Este artigo explica o que s\u00e3o engrenagens de cremalheira e mecanismo de cremalheira e pinh\u00e3o. Al\u00e9m disso, voc\u00ea aprender\u00e1 para que serve o equipamento de cremalheira e suas vantagens e desvantagens. O que \u00e9 equipamento de cremalheira e pinh\u00e3o? A engrenagem de cremalheira \u00e9 uma barra cujos dentes geralmente engrenam com uma engrenagem de dentes &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/pt\/prateleira-1\/\"> <span class=\"screen-reader-text\">Engrenagem de cremalheira<\/span> Leia mais &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-370","post","type-post","status-publish","format-standard","hentry","category-maquinas-e-mecanismos"],"yoast_head":"<!-- This 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