{"id":2012,"date":"2021-08-30T08:48:03","date_gmt":"2021-08-30T08:48:03","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=2012"},"modified":"2026-03-23T08:01:08","modified_gmt":"2026-03-23T08:01:08","slug":"crane-sheaves","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/pt\/crane-sheaves\/","title":{"rendered":"Grua de guindastes"},"content":{"rendered":"<div class=\"pro-info clearfix\">\n<h3>Vis\u00e3o geral<\/h3>\n<div>\n\nPara polias utilizadas em guindastes e outros equipamentos de movimenta\u00e7\u00e3o de cargas, devido \u00e0s diferen\u00e7as entre os setores de equipamentos e minera\u00e7\u00e3o, e ao di\u00e2metro do cabo de a\u00e7o adequado, o material e o di\u00e2metro da polia variam bastante. Visando otimizar o trabalho na opera\u00e7\u00e3o dos equipamentos, existem diversos m\u00e9todos de enrolamento de cabos de a\u00e7o, sendo as polias geralmente utilizadas em conjunto. Polias fixas, polias m\u00f3veis e polias de balanceamento s\u00e3o produtos frequentemente utilizados nesses equipamentos.\n\n<\/div>\n<\/div>\n<div class=\"pro-info clearfix\">\n<h3>Categoria<\/h3>\n<div>\n\nClassifica\u00e7\u00e3o por material: ferro fundido, a\u00e7o fundido, chapa de a\u00e7o, a\u00e7o forjado, nylon. Classifica\u00e7\u00e3o por m\u00e9todo de fabrica\u00e7\u00e3o: polia fundida, polia forjada, polia soldada. Classifica\u00e7\u00e3o por uso: para guindastes em geral, guindastes portu\u00e1rios, navios, guindastes todo-terreno, etc. Descri\u00e7\u00e3o detalhada do uso:\n<ul>\n \t<li>Os guindastes em geral usam geralmente ferro fundido, a\u00e7o fundido e lamina\u00e7\u00e3o de 3 tipos.<\/li>\n \t<li>Os guindastes portu\u00e1rios geralmente usam polias laminadas, polias forjadas e polias de nylon.<\/li>\n \t<li>Polias marinhas geralmente m\u00faltiplas polias rolantes, polias fundidas.<\/li>\n \t<li>Os guindastes todo-o-terreno geralmente utilizam polias rolantes, polias de nylon.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"pro-info clearfix\">\n<h3>Polias de um guindaste padr\u00e3o ser\u00e3o produzidas em 20 dias.<\/h3>\n<div class=\"process\">\r\n<div class=\"grid demo-gallery\">\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Incoming-material-test.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Incoming-material-test.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Incoming-material-test.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Teste de entrada de material<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Cutting.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Cutting.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Cutting.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Corte<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Roll-forming.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Roll-forming.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Roll-forming.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Forma\u00e7\u00e3o de rolos<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Annealing-cooling.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Annealing-cooling.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Annealing-cooling.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Refrigera\u00e7\u00e3o de recozimento<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Welding.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Welding.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Welding.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Soldagem<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Machining-1.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Machining-1.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Machining-1.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Usinagem<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Polishing-and-finishing.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Polishing-and-finishing.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Polishing-and-finishing.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Polimento-e-acabamento<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Painting.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Painting.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Painting.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Pintura<\/h4>\r\n<\/a>\r\n \r\n<a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Assembly.jpg\" data-size=\"1000x667\" data-med=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Assembly.jpg?w=1000&amp;h=667\" data-med-size=\"1000x667\" class=\"grid3\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/Assembly.jpg?w=285&amp;h=190\" width=\"285\" height=\"190\" alt=\"\">\r\n<h4><i><\/i>Assembl\u00e9ia<\/h4>\r\n<\/a>\r\n\r\n<\/div>\n\n<span>Dicas: 1. Comparado com polia de a\u00e7o fundido e polia de ferro fundido: o sulco da corda da roldana \u00e9 enrolado por um molde, que economiza mat\u00e9rias-primas e tem alta precis\u00e3o dimensional; A mat\u00e9ria-prima \u00e9 chapa de a\u00e7o de alta resist\u00eancia e excelente desempenho; Tem menos defeitos e apar\u00eancia bonita.<\/span>\n<span>2. Em compara\u00e7\u00e3o com a polia forjada, a polia laminada \u00e9 feita de chapa de a\u00e7o com baixo custo; Comparado com o forjamento de aquecimento repetido da polia forjada, seu custo de processo \u00e9 menor; Em termos de processamento, em compara\u00e7\u00e3o com o tempo de processamento da polia forjada, e a polia rolante s\u00f3 precisa de processamento mec\u00e2nico simples para se tornar produto acabado; As propriedades mec\u00e2nicas s\u00e3o ligeiramente inferiores \u00e0s da polia de forjamento, no entanto, quando o produto satisfaz o design e o uso, a polia de rolamento \u00e9 mais excelente em geral.<\/span>\n\n<\/div>","protected":false},"excerpt":{"rendered":"As polias s\u00e3o geralmente utilizadas para orienta\u00e7\u00e3o e apoio para mudar a dire\u00e7\u00e3o da corda e sua for\u00e7a de transmiss\u00e3o e equilibrar a tens\u00e3o do ramo da corda; tem uma ampla gama de aplica\u00e7\u00f5es em equipamentos de transporte de guindastes.","protected":false},"author":2,"featured_media":2348,"parent":7830,"comment_status":"open","ping_status":"open","sticky":false,"template":"single.php","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[8,25,568],"tags":[58,14,744,1050],"class_list":["post-2012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crane-parts","category-menu-parts","category-other-cranes-parts","tag-crane","tag-overhead-crane","tag-xgcrane-parts","tag-xgcrane-sheaves"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/posts\/2012"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/comments?post=2012"}],"version-history":[{"count":48,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/posts\/2012\/revisions"}],"predecessor-version":[{"id":16643,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/posts\/2012\/revisions\/16643"}],"up":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/posts\/7830"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/media\/2348"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/media?parent=2012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/categories?post=2012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/pt\/wp-json\/wp\/v2\/tags?post=2012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}