{"id":8676,"date":"2021-07-29T14:09:59","date_gmt":"2021-07-29T12:09:59","guid":{"rendered":"https:\/\/blog.federnshop.com\/aco-de-mola-para-baixas-temperaturas\/"},"modified":"2021-07-29T14:10:03","modified_gmt":"2021-07-29T12:10:03","slug":"aco-de-mola-para-baixas-temperaturas","status":"publish","type":"post","link":"https:\/\/blog.federnshop.com\/pt-pt\/aco-de-mola-para-baixas-temperaturas\/","title":{"rendered":"A\u00e7o de mola para baixas temperaturas"},"content":{"rendered":"<p>Seja em sistemas de refrigera\u00e7\u00e3o, no <a href=\"https:\/\/blog.federnshop.com\/pt-pt\/molas-de-compressao-no-espaco\/\" target=\"_blank\" rel=\"noopener noreferrer\">espa\u00e7o<\/a> ou em outras aplica\u00e7\u00f5es de baixa temperatura. As molas met\u00e1licas t\u00eam muitas vezes de resistir a temperaturas at\u00e9 &#8211; 200 graus. Apesar do aumento <a href=\"https:\/\/blog.federnshop.com\/zugfestigkeit-federwerkstoffe\/\" target=\"_blank\" rel=\"noopener noreferrer\">da for\u00e7a da tra\u00e7\u00e3o,<\/a> as baixas temperaturas t\u00eam um efeito desfavor\u00e1vel no material, uma vez que a dureza diminui e podem ocorrer fraturas fr\u00e1geis. Para aplica\u00e7\u00f5es criog\u00e9nicas, a\u00e7os de mola inoxid\u00e1vel, ligas de cobre e n\u00edquel s\u00e3o prefer\u00edveis a fios de mola patenteados e fios de mola de v\u00e1lvula. A tabela a seguir mostra as temperaturas-limite.<\/p>\n<p><span style=\"text-decoration: underline;\">Quadro<\/span>: Recomenda\u00e7\u00f5es para utiliza\u00e7\u00e3o a baixas temperaturas<\/p>\n<table border=\"0\" width=\"570\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"339\"><strong>Material de primavera<\/strong><\/td>\n<td valign=\"top\" width=\"220\"><strong>Temperatura de trabalho mais baixa em \u00b0C<\/strong><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"339\">Fio de a\u00e7o de mola extra\u00eddo patenteado de acordo com a EN 10270-1<\/td>\n<td valign=\"top\" width=\"220\">-60<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"339\">Fio de mola de v\u00e1lvula saciada de \u00f3leo de acordo com a EN 10270-2<\/td>\n<td valign=\"top\" width=\"220\">-60<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"339\">X10CrNi 18.8 (1.4310)<\/td>\n<td valign=\"top\" width=\"220\">-200<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"339\">X7CrNiAl 17.7 (1.4568)<\/td>\n<td valign=\"top\" width=\"220\">-200<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"339\">X5CrNiMo 17-12-2 (1,4401)<\/td>\n<td valign=\"top\" width=\"220\">-200<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"339\">Rio CuSn6<\/td>\n<td valign=\"top\" width=\"220\">-200<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap width=\"339\">CuZn36<\/td>\n<td valign=\"top\" nowrap width=\"220\">-200<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap width=\"339\">CuBe2<\/td>\n<td valign=\"top\" nowrap width=\"220\">-200<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap width=\"339\">CuNi18Zn20<\/td>\n<td valign=\"top\" nowrap width=\"220\">-200<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap width=\"339\">Inconel X750<\/td>\n<td valign=\"top\" nowrap width=\"220\">-100<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap width=\"339\">Nimonic90<\/td>\n<td valign=\"top\" nowrap width=\"220\">-100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>No caso de aplica\u00e7\u00f5es de baixa temperatura, devem ser evitados defeitos de superf\u00edcie causados por maquina\u00e7\u00e3o (e.B. ranhuras) ou curvas com raios de flex\u00e3o de baixa inclina\u00e7\u00e3o.<\/p>\n<p><a href=\"https:\/\/blog.federnshop.com\/pt-pt\/propriedades-de-aco-de-mola\/\">Propriedades Materiais de primavera<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Seja em sistemas de refrigera\u00e7\u00e3o, no espa\u00e7o ou em outras aplica\u00e7\u00f5es de baixa temperatura. As molas met\u00e1licas t\u00eam muitas vezes de resistir a temperaturas at\u00e9 &#8211; 200 graus. Apesar do aumento da for\u00e7a da tra\u00e7\u00e3o, as baixas temperaturas t\u00eam um<\/p>\n","protected":false},"author":4,"featured_media":8678,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[482,917,907,906],"tags":[2205,2202,2204,2201,539,2203],"class_list":["post-8676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conhecimento","category-material-pt","category-molas-de-arame","category-venda","tag-acos-de-mola","tag-fio-de-aco-de-mola","tag-fraturas-frageis","tag-materiais-de-primavera","tag-metallfedern-pt-pt","tag-uso-de-baixa-temperatura"],"_links":{"self":[{"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/posts\/8676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/comments?post=8676"}],"version-history":[{"count":1,"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/posts\/8676\/revisions"}],"predecessor-version":[{"id":8679,"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/posts\/8676\/revisions\/8679"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/media\/8678"}],"wp:attachment":[{"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/media?parent=8676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/categories?post=8676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.federnshop.com\/pt-pt\/wp-json\/wp\/v2\/tags?post=8676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}