{"id":3793,"date":"2026-05-22T09:23:38","date_gmt":"2026-05-22T09:23:38","guid":{"rendered":"https:\/\/manufactorhinge.com\/?p=3793"},"modified":"2026-05-23T01:27:14","modified_gmt":"2026-05-23T01:27:14","slug":"como-calcular-os-requisitos-de-binario-das-dobradicas-formula-exemplos","status":"publish","type":"post","link":"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/","title":{"rendered":"Como calcular os requisitos de bin\u00e1rio das dobradi\u00e7as | F\u00f3rmula + Exemplos"},"content":{"rendered":"<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">A especifica\u00e7\u00e3o de uma dobradi\u00e7a de bin\u00e1rio come\u00e7a com um n\u00famero: o bin\u00e1rio de reten\u00e7\u00e3o de que a sua aplica\u00e7\u00e3o necessita. Se o fizer corretamente, o painel mant\u00e9m-se exatamente onde o utilizador o deixa durante toda a vida \u00fatil do produto. Se o fizer mal, o painel fecha-se com o seu pr\u00f3prio peso ou fica r\u00edgido e dif\u00edcil de mover. Este guia mostra-lhe como calcular o bin\u00e1rio necess\u00e1rio em cinco passos, com tr\u00eas exemplos pr\u00e1ticos e os factores de seguran\u00e7a que os engenheiros experientes aplicam.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#The_Physics_Why_Torque_Not_Just_Weight\" >A F\u00edsica: Porqu\u00ea o bin\u00e1rio e n\u00e3o apenas o peso<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Units_N%C2%B7m_and_kgf%C2%B7cm\" >Unidades: N-m e kgf-cm<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#The_Formula_Step_by_Step\" >A f\u00f3rmula, passo a passo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Three_Worked_Examples\" >Tr\u00eas exemplos pr\u00e1ticos<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Example_1_%E2%80%94_Laptop_or_Tablet_Screen_Light_Load\" >Exemplo 1 - Ecr\u00e3 de computador port\u00e1til ou de tablet (carga ligeira)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Example_2_%E2%80%94_Industrial_HMI_Control_Panel_Medium_Load\" >Exemplo 2 - Painel de controlo HMI industrial (carga m\u00e9dia)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Example_3_%E2%80%94_Self-Service_Kiosk_Rotating_Display_Heavier_Load\" >Exemplo 3 - Ecr\u00e3 rotativo de quiosque self-service (carga mais pesada)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Choosing_the_Right_Safety_Factor\" >Sele\u00e7\u00e3o do fator de seguran\u00e7a adequado<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Common_Mistakes_to_Avoid\" >Erros comuns a evitar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Torque_Hinge_Selection_Checklist\" >Lista de verifica\u00e7\u00e3o de sele\u00e7\u00e3o de dobradi\u00e7as de torque<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#When_to_Use_Multiple_Hinges\" >Quando utilizar dobradi\u00e7as m\u00faltiplas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/manufactorhinge.com\/pt\/how-to-calculate-torque-hinge-requirements-formula-examples\/#Frequently_Asked_Questions\" >Perguntas mais frequentes<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\">Este artigo faz parte do nosso guia completo <a href=\"https:\/\/manufactorhinge.com\/pt\/produtos\/dobradicas-de-binario\/\">guia da dobradi\u00e7a de bin\u00e1rio<\/a>. Se precisar de uma atualiza\u00e7\u00e3o sobre o que s\u00e3o dobradi\u00e7as de bin\u00e1rio e como funcionam, comece com a nossa vis\u00e3o geral de <a href=\"https:\/\/manufactorhinge.com\/pt\/o-que-e-uma-dobradica-de-torcao\/\">o que \u00e9 uma dobradi\u00e7a de tor\u00e7\u00e3o<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>A resposta em 30 segundos<\/strong><br>Bin\u00e1rio necess\u00e1rio = peso do painel (kg) \u00d7 9,81 \u00d7 dist\u00e2ncia do centro de gravidade (m) \u00d7 fator de seguran\u00e7a. Isto d\u00e1 o bin\u00e1rio de reten\u00e7\u00e3o em newton-metros (N-m) necess\u00e1rio para manter o painel na sua pior posi\u00e7\u00e3o, normalmente horizontal. Para um painel de 2 kg com o seu centro de gravidade a 100 mm do eixo da dobradi\u00e7a: 2 \u00d7 9,81 \u00d7 0,1 = 1,96 N-m. Com um fator de seguran\u00e7a de 1,5 \u00d7, o bin\u00e1rio de reten\u00e7\u00e3o necess\u00e1rio \u00e9 de aproximadamente 3 N-m. Se duas dobradi\u00e7as partilharem a carga, dividir o resultado por dois para estimar o bin\u00e1rio necess\u00e1rio por dobradi\u00e7a.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Prefere saltar a matem\u00e1tica?<\/strong><br>Utilize o nosso <a href=\"https:\/\/manufactorhinge.com\/pt\/calculador-de-binario-para-dobradicas\/\">calculador de bin\u00e1rio para dobradi\u00e7as<\/a>. Introduza o peso do seu painel, a dist\u00e2ncia do centro de gravidade, o n\u00famero de dobradi\u00e7as e o fator de seguran\u00e7a para obter o bin\u00e1rio de reten\u00e7\u00e3o necess\u00e1rio por dobradi\u00e7a.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"the-physics-why-torque-not-just-weight\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Physics_Why_Torque_Not_Just_Weight\"><\/span><strong>A F\u00edsica: Porqu\u00ea o bin\u00e1rio e n\u00e3o apenas o peso<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Um erro comum \u00e9 dimensionar uma dobradi\u00e7a apenas com base no peso do painel. O peso \u00e9 importante, mas o que a dobradi\u00e7a realmente resiste \u00e9 <em>bin\u00e1rio<\/em> - a for\u00e7a de rota\u00e7\u00e3o criada por esse peso actuando a uma dist\u00e2ncia do piv\u00f4. Um painel leve montado longe do eixo da dobradi\u00e7a pode exigir mais bin\u00e1rio do que um painel pesado montado perto dele.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O bin\u00e1rio \u00e9 o produto da for\u00e7a e da dist\u00e2ncia. A for\u00e7a \u00e9 o peso do painel actuando atrav\u00e9s da gravidade. A dist\u00e2ncia - chamada de bra\u00e7o de momento - \u00e9 medida a partir do eixo de rota\u00e7\u00e3o da dobradi\u00e7a at\u00e9 o centro de gravidade do painel, medido horizontalmente quando o painel est\u00e1 em sua pior posi\u00e7\u00e3o. Quanto mais longe o centro de gravidade estiver do eixo, mais torque a dobradi\u00e7a deve resistir para manter a posi\u00e7\u00e3o.<\/p>\n\n\n\n<h3 id=\"units-n-m-and-kgf-cm\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Units_N%C2%B7m_and_kgf%C2%B7cm\"><\/span><strong>Unidades: N-m e kgf-cm<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O bin\u00e1rio \u00e9 mais frequentemente especificado em newton-metros (N-m). Alguns cat\u00e1logos utilizam quilogramas-for\u00e7a-cent\u00edmetros (kgf-cm), particularmente na \u00c1sia. A convers\u00e3o \u00e9 simples: 1 N-m equivale a aproximadamente 10,2 kgf-cm. Os valores de torque do cat\u00e1logo HSP s\u00e3o especificados em N-m, com modelos dispon\u00edveis de 0,1 N-m para mini dobradi\u00e7as at\u00e9 25 N-m para dobradi\u00e7as de torque ajust\u00e1vel para servi\u00e7os pesados.<\/p>\n\n\n\n<h2 id=\"the-formula-step-by-step\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Formula_Step_by_Step\"><\/span><strong>A f\u00f3rmula, passo a passo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-f9bf28a\" id=\"gspb_image-id-gsbp-f9bf28a\"><img decoding=\"async\" src=\"https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/05\/torque-hinge-moment-arm-calculation.webp\" data-src=\"\" alt=\"Diagrama de bra\u00e7o de momento de articula\u00e7\u00e3o de bin\u00e1rio com a f\u00f3rmula T = peso do painel \u00d7 9,81 \u00d7 dist\u00e2ncia d\" loading=\"lazy\" width=\"762\" height=\"433\"\/><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Aqui est\u00e1 o processo de c\u00e1lculo completo. Trabalhe nele uma vez com os seus pr\u00f3prios n\u00fameros e a sele\u00e7\u00e3o do bin\u00e1rio torna-se uma decis\u00e3o de engenharia repet\u00edvel e defens\u00e1vel em vez de uma suposi\u00e7\u00e3o.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Medir o peso do painel (W).<\/strong> Pese o painel, a tampa ou o ecr\u00e3 que a dobradi\u00e7a ir\u00e1 transportar, incluindo tudo o que estiver montado - um ecr\u00e3, cabos, acess\u00f3rios ou uma cobertura. Utilize a configura\u00e7\u00e3o realista mais pesada. Resultado em quilogramas.<\/li>\n\n\n\n<li><strong>Encontre a dist\u00e2ncia do centro de gravidade (d).<\/strong> Medir horizontalmente a partir do eixo de rota\u00e7\u00e3o da dobradi\u00e7a at\u00e9 ao centro de gravidade do painel, na posi\u00e7\u00e3o em que a gravidade cria o maior bin\u00e1rio. Para um painel plano uniforme, o centro de gravidade est\u00e1 no seu centro geom\u00e9trico. Resultado em metros.<\/li>\n\n\n\n<li><strong>Calcular o bin\u00e1rio de reten\u00e7\u00e3o est\u00e1tico (T).<\/strong> Multiplica-se: T = W \u00d7 9,81 \u00d7 d. O 9,81 converte a massa em for\u00e7a gravitacional. Resultado em newton-metros.<\/li>\n\n\n\n<li><strong>Aplicar um fator de seguran\u00e7a.<\/strong> Multiplique o torque est\u00e1tico por 1,5 para aplica\u00e7\u00f5es normais, ou por 2 para aplica\u00e7\u00f5es de alto ciclo, alta vibra\u00e7\u00e3o ou de seguran\u00e7a cr\u00edtica. Isso leva em conta a perda de reten\u00e7\u00e3o de torque durante a vida \u00fatil da dobradi\u00e7a e a varia\u00e7\u00e3o de carga no mundo real.<\/li>\n\n\n\n<li><strong>Dividir por v\u00e1rias dobradi\u00e7as, se forem utilizadas.<\/strong> Se o painel utilizar duas dobradi\u00e7as, cada uma carrega cerca de metade da carga. Divida o bin\u00e1rio total necess\u00e1rio pelo n\u00famero de dobradi\u00e7as para estimar o bin\u00e1rio necess\u00e1rio por dobradi\u00e7a.<\/li>\n<\/ol>\n\n\n\n<h2 id=\"three-worked-examples\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Three_Worked_Examples\"><\/span><strong>Tr\u00eas exemplos pr\u00e1ticos<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A f\u00f3rmula \u00e9 mais clara quando aplicada a casos reais. Aqui est\u00e3o tr\u00eas exemplos de diferentes gamas de carga e sectores.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-45de7ef\" id=\"gspb_image-id-gsbp-45de7ef\"><img decoding=\"async\" src=\"https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/05\/torque-hinge-selection-examples-light-medium-heavy-load.webp\" data-src=\"\" alt=\"Exemplos de sele\u00e7\u00e3o de dobradi\u00e7as de bin\u00e1rio para ecr\u00e3 de computador port\u00e1til, painel de controlo HMI e ecr\u00e3 de quiosque com c\u00e1lculos de carga leve, m\u00e9dia e pesada\" loading=\"lazy\" width=\"765\" height=\"407\"\/><\/div>\n\n\n\n<h3 id=\"example-1-laptop-or-tablet-screen-light-load\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example_1_%E2%80%94_Laptop_or_Tablet_Screen_Light_Load\"><\/span><strong>Exemplo 1 - Ecr\u00e3 de computador port\u00e1til ou de tablet (carga ligeira)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Um ecr\u00e3 dobr\u00e1vel pesa 0,4 kg, com o seu centro de gravidade a 150 mm (0,15 m) do eixo da dobradi\u00e7a quando aberto.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bin\u00e1rio est\u00e1tico: 0.4 \u00d7 9.81 \u00d7 0.15 = <strong>0,59 N-m<\/strong><\/li>\n\n\n\n<li>Com fator de seguran\u00e7a 1,5\u00d7: 0,59 \u00d7 1,5 = <strong>0,88 N-m<\/strong><\/li>\n\n\n\n<li>Entre duas dobradi\u00e7as: cerca de <strong>0,45 N-m por dobradi\u00e7a<\/strong><\/li>\n\n\n\n<li><strong>Sele\u00e7\u00e3o:<\/strong> uma dobradi\u00e7a de bin\u00e1rio mini ou constante no intervalo de 0,5-1,0 N-m por dobradi\u00e7a. Isso se encaixa bem dentro dos <a href=\"https:\/\/manufactorhinge.com\/pt\/produtos\/dobradicas-de-binario\/dobradicas-de-torcao-mini-compactas\/\">gama de dobradi\u00e7as de mini-torque<\/a>, que oferece uma resolu\u00e7\u00e3o t\u00e3o fina como 0,1 N-m.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"example-2-industrial-hmi-control-panel-medium-load\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example_2_%E2%80%94_Industrial_HMI_Control_Panel_Medium_Load\"><\/span><strong>Exemplo 2 - Painel de controlo HMI industrial (carga m\u00e9dia)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Um painel de controlo do operador pesa 3 kg, com o seu centro de gravidade a 200 mm (0,2 m) do eixo da dobradi\u00e7a. \u00c9 aberto e fechado muitas vezes por turno, pelo que se trata de uma aplica\u00e7\u00e3o de ciclo elevado.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bin\u00e1rio est\u00e1tico: 3 \u00d7 9.81 \u00d7 0.2 = <strong>5,89 N-m<\/strong><\/li>\n\n\n\n<li>Com fator de seguran\u00e7a 2\u00d7 para utiliza\u00e7\u00e3o em ciclos elevados: 5.89 \u00d7 2 = <strong>11,8 N-m<\/strong><\/li>\n\n\n\n<li>Entre duas dobradi\u00e7as: cerca de <strong>5,9 N-m por dobradi\u00e7a<\/strong><\/li>\n\n\n\n<li><strong>Sele\u00e7\u00e3o:<\/strong> uma dobradi\u00e7a de bin\u00e1rio ajust\u00e1vel com um bin\u00e1rio de cerca de 5-6 N-m por dobradi\u00e7a. Uma <a href=\"https:\/\/manufactorhinge.com\/pt\/produtos\/dobradicas-de-binario\/dobradicas-de-binario-ajustavel\/\">dobradi\u00e7a de bin\u00e1rio ajust\u00e1vel<\/a> \u00e9 a op\u00e7\u00e3o correta, pois permite ao operador afinar a sensa\u00e7\u00e3o ap\u00f3s a instala\u00e7\u00e3o, \u00e0 medida que a carga do painel ou as prefer\u00eancias se alteram.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"example-3-self-service-kiosk-rotating-display-heavier-load\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example_3_%E2%80%94_Self-Service_Kiosk_Rotating_Display_Heavier_Load\"><\/span><strong>Exemplo 3 - Ecr\u00e3 rotativo de quiosque self-service (carga mais pesada)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Um conjunto de ecr\u00e3 de quiosque pesa 5 kg, com o seu centro de gravidade a 300 mm (0,3 m) do eixo de rota\u00e7\u00e3o. Roda para visualiza\u00e7\u00e3o do cliente e do operador e deve aguentar qualquer \u00e2ngulo.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bin\u00e1rio est\u00e1tico: 5 \u00d7 9.81 \u00d7 0.3 = <strong>14,7 N-m<\/strong><\/li>\n\n\n\n<li>Com fator de seguran\u00e7a 1,5\u00d7: 14,7 \u00d7 1,5 = <strong>22,1 N-m<\/strong><\/li>\n\n\n\n<li>Entre duas dobradi\u00e7as: cerca de <strong>11 N-m por dobradi\u00e7a<\/strong><\/li>\n\n\n\n<li><strong>Sele\u00e7\u00e3o:<\/strong> a este n\u00edvel, o requisito aproxima-se do topo da gama de bin\u00e1rio padr\u00e3o, pelo que a distribui\u00e7\u00e3o da carga por duas dobradi\u00e7as ou a especifica\u00e7\u00e3o de uma unidade de bin\u00e1rio elevado personalizada \u00e9 a via pr\u00e1tica. A <a href=\"https:\/\/manufactorhinge.com\/pt\/produtos\/dobradicas-de-binario\/dobradica-de-torcao-giratoria-360\/\">dobradi\u00e7a de tor\u00e7\u00e3o girat\u00f3ria<\/a> adapta-se ao movimento rotativo, e a HSP pode desenvolver valores de bin\u00e1rio personalizados at\u00e9 25 N-m para aplica\u00e7\u00f5es neste extremo da gama.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"choosing-the-right-safety-factor\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Safety_Factor\"><\/span><strong>Sele\u00e7\u00e3o do fator de seguran\u00e7a adequado<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O fator de seguran\u00e7a n\u00e3o \u00e9 um enchimento. \u00c9 respons\u00e1vel por efeitos reais de engenharia que corroem o bin\u00e1rio de reten\u00e7\u00e3o ao longo do tempo e das condi\u00e7\u00f5es de funcionamento. Escolher bem o fator de seguran\u00e7a \u00e9 a diferen\u00e7a entre uma dobradi\u00e7a que se mant\u00e9m durante toda a vida \u00fatil do produto e uma que se desvia ao fim de um ano.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tipo de aplica\u00e7\u00e3o<\/strong><\/td><td><strong>Fator de seguran\u00e7a sugerido<\/strong><\/td><td><strong>Porqu\u00ea<\/strong><\/td><\/tr><tr><td>Baixa utiliza\u00e7\u00e3o, interior, temperatura est\u00e1vel<\/td><td>1.5\u00d7<\/td><td>Espera-se um desvio m\u00ednimo de bin\u00e1rio ao longo da vida \u00fatil<\/td><\/tr><tr><td>Ciclo elevado, muitos movimentos por dia<\/td><td>2\u00d7<\/td><td>As superf\u00edcies de fric\u00e7\u00e3o desgastam-se; o bin\u00e1rio diminui gradualmente<\/td><\/tr><tr><td>Ambiente vibrat\u00f3rio, como m\u00e1quinas ou ve\u00edculos<\/td><td>2\u00d7<\/td><td>A vibra\u00e7\u00e3o pode deslocar um painel para fora da sua posi\u00e7\u00e3o<\/td><\/tr><tr><td>Ampla varia\u00e7\u00e3o de temperatura<\/td><td>2\u00d7<\/td><td>As altera\u00e7\u00f5es da viscosidade do lubrificante afectam o bin\u00e1rio<\/td><\/tr><tr><td>Aplica\u00e7\u00e3o de seguran\u00e7a cr\u00edtica em que o painel n\u00e3o pode cair<\/td><td>2\u00d7 ou superior<\/td><td>As consequ\u00eancias da deriva s\u00e3o graves<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"common-mistakes-to-avoid\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_to_Avoid\"><\/span><strong>Erros comuns a evitar<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dimensionamento por peso, ignorando a dist\u00e2ncia.<\/strong> O bra\u00e7o de momento \u00e9 t\u00e3o importante como o peso. Um painel leve num bra\u00e7o longo pode necessitar de mais bin\u00e1rio do que um painel pesado montado perto.<\/li>\n\n\n\n<li><strong>Esquecer o fator de seguran\u00e7a.<\/strong> O dimensionamento para o bin\u00e1rio est\u00e1tico exato n\u00e3o deixa margem para a perda de bin\u00e1rio que cada dobradi\u00e7a de fric\u00e7\u00e3o sofre ao longo do seu ciclo de vida.<\/li>\n\n\n\n<li><strong>Ignorando a massa adicionada.<\/strong> Os cabos, uma revis\u00e3o mais pesada do ecr\u00e3 ou acess\u00f3rios adicionados posteriormente aumentam a carga. Dimensione para a configura\u00e7\u00e3o realista mais pesada.<\/li>\n\n\n\n<li><strong>Bin\u00e1rio excessivamente especificado.<\/strong> Um bin\u00e1rio de aperto demasiado elevado torna o painel r\u00edgido e dif\u00edcil de deslocar, e pode provocar tens\u00e3o nos pontos de montagem. O objetivo \u00e9 o valor calculado mais o fator de seguran\u00e7a, n\u00e3o o bin\u00e1rio mais elevado dispon\u00edvel.<\/li>\n\n\n\n<li><strong>Partindo do princ\u00edpio de que uma dobradi\u00e7a transporta tudo.<\/strong> A maioria dos pain\u00e9is utiliza duas ou mais dobradi\u00e7as. Divida a carga, mas tenha tamb\u00e9m em conta a abertura irregular, o alinhamento e a rigidez da montagem.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"torque-hinge-selection-checklist\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Torque_Hinge_Selection_Checklist\"><\/span><strong>Lista de verifica\u00e7\u00e3o de sele\u00e7\u00e3o de dobradi\u00e7as de torque<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de escolher um modelo de dobradi\u00e7a, confirme os requisitos mec\u00e2nicos e ambientais abaixo. Esta lista de verifica\u00e7\u00e3o ajuda a evitar o sub-dimensionamento, o sobre-dimensionamento e a sele\u00e7\u00e3o de dobradi\u00e7as incompat\u00edveis.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peso do painel, incluindo ecr\u00e3s, coberturas, cabos, pegas e acess\u00f3rios<\/li>\n\n\n\n<li>Dist\u00e2ncia do eixo da dobradi\u00e7a ao centro de gravidade<\/li>\n\n\n\n<li>Posi\u00e7\u00e3o de reten\u00e7\u00e3o no pior dos casos e \u00e2ngulo de abertura necess\u00e1rio<\/li>\n\n\n\n<li>N\u00famero de dobradi\u00e7as que partilham a carga<\/li>\n\n\n\n<li>Fator de seguran\u00e7a necess\u00e1rio com base no ciclo de vida, vibra\u00e7\u00e3o e temperatura<\/li>\n\n\n\n<li>Material e tratamento de superf\u00edcie para o ambiente de funcionamento<\/li>\n\n\n\n<li>Espa\u00e7o de montagem, padr\u00e3o de parafusos, espessura do painel e rigidez do suporte<\/li>\n\n\n\n<li>Quer a aplica\u00e7\u00e3o necessite de um bin\u00e1rio fixo, de um bin\u00e1rio ajust\u00e1vel, de um posicionamento de reten\u00e7\u00e3o ou de um movimento girat\u00f3rio de 360\u00b0<\/li>\n\n\n\n<li>Se a dobradi\u00e7a tem de suportar ajustes no terreno, passagem de cabos, montagem oculta ou valores de bin\u00e1rio personalizados<\/li>\n<\/ul>\n\n\n\n<h2 id=\"when-to-use-multiple-hinges\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_to_Use_Multiple_Hinges\"><\/span><strong>Quando utilizar dobradi\u00e7as m\u00faltiplas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A distribui\u00e7\u00e3o da carga por v\u00e1rias dobradi\u00e7as \u00e9 comum para pain\u00e9is com mais de 1-2 kg, ou pain\u00e9is mais largos do que altos. Duas dobradi\u00e7as partilham a exig\u00eancia de bin\u00e1rio e melhoram a estabilidade do alinhamento; tr\u00eas ou mais podem ser utilizadas para portas longas ou pesadas. Ao utilizar v\u00e1rias dobradi\u00e7as, divida o bin\u00e1rio total necess\u00e1rio pelo n\u00famero de dobradi\u00e7as para estimar a classifica\u00e7\u00e3o por dobradi\u00e7a, mas deixe uma margem para a partilha desigual da carga, toler\u00e2ncias de montagem e flex\u00e3o do painel.<\/p>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Perguntas mais frequentes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"a1-faq-1\"><strong class=\"schema-faq-question\">E se o meu bin\u00e1rio calculado se situar entre dois valores de cat\u00e1logo?<\/strong> <p class=\"schema-faq-answer\">Arredondar para cima para o pr\u00f3ximo valor de bin\u00e1rio dispon\u00edvel, n\u00e3o para baixo. Um bin\u00e1rio ligeiramente superior significa que o painel se mant\u00e9m seguro; o arredondamento para baixo corre o risco de se desviar ao longo da vida \u00fatil da dobradi\u00e7a, uma vez que o bin\u00e1rio diminui naturalmente. Se a folga for grande, uma dobradi\u00e7a de bin\u00e1rio ajust\u00e1vel permite-lhe afinar a for\u00e7a de reten\u00e7\u00e3o exacta ap\u00f3s a instala\u00e7\u00e3o.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-2\"><strong class=\"schema-faq-question\">Posso especificar um bin\u00e1rio demasiado elevado?<\/strong> <p class=\"schema-faq-answer\">Sim. Um bin\u00e1rio de aperto excessivo torna o painel r\u00edgido e dif\u00edcil de mover, pode causar fadiga no utilizador em aplica\u00e7\u00f5es de utiliza\u00e7\u00e3o intensiva e coloca uma tens\u00e3o adicional nos pontos de montagem e no pr\u00f3prio painel. Procure o seu bin\u00e1rio est\u00e1tico calculado multiplicado pelo fator de seguran\u00e7a adequado, em vez de escolher simplesmente o bin\u00e1rio mais elevado dispon\u00edvel.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-3\"><strong class=\"schema-faq-question\">Como \u00e9 que a temperatura afecta o bin\u00e1rio de que necessito?<\/strong> <p class=\"schema-faq-answer\">A temperatura n\u00e3o altera o bin\u00e1rio que o seu painel exige, mas pode alterar o bin\u00e1rio que uma dobradi\u00e7a fornece, porque a viscosidade do lubrificante muda com a temperatura. Para aplica\u00e7\u00f5es abaixo de -10\u00b0C ou acima de 70\u00b0C, especifique um lubrificante com classifica\u00e7\u00e3o de temperatura e aplique um fator de seguran\u00e7a de 2\u00d7 para permitir esta varia\u00e7\u00e3o.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-4\"><strong class=\"schema-faq-question\">Qual \u00e9 a diferen\u00e7a entre bin\u00e1rio est\u00e1tico e din\u00e2mico?<\/strong> <p class=\"schema-faq-answer\">O bin\u00e1rio est\u00e1tico \u00e9 a for\u00e7a necess\u00e1ria para manter um painel estacion\u00e1rio num \u00e2ngulo. Este \u00e9 o resultado do c\u00e1lculo efectuado neste guia. O bin\u00e1rio din\u00e2mico \u00e9 a for\u00e7a sentida ao mover o painel. Para a maioria das aplica\u00e7\u00f5es de fixa\u00e7\u00e3o de posi\u00e7\u00e3o, o dimensionamento para o bin\u00e1rio de fixa\u00e7\u00e3o est\u00e1tico com um fator de seguran\u00e7a \u00e9 a abordagem correta.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"a1-faq-5\"><strong class=\"schema-faq-question\">Devo dividir o bin\u00e1rio se utilizar duas dobradi\u00e7as?<\/strong> <p class=\"schema-faq-answer\">Sim. Duas dobradi\u00e7as partilham a carga, pelo que cada uma suporta cerca de metade do bin\u00e1rio total necess\u00e1rio. No entanto, especifique cada dobradi\u00e7a com margem suficiente para uma partilha de carga imperfeita, flex\u00e3o do painel e abertura irregular. Muitos pain\u00e9is com mais de 1-2 kg utilizam, pelo menos, duas dobradi\u00e7as para garantir a estabilidade.<\/p> <\/div> <\/div>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Precisa de ajuda para selecionar a dobradi\u00e7a de bin\u00e1rio correta?<\/strong><br>Envie-nos o peso do seu painel, a dist\u00e2ncia do centro de gravidade, o \u00e2ngulo de abertura e o ambiente de funcionamento, e a nossa equipa de engenharia recomendar\u00e1 um modelo adequado - ou desenvolver\u00e1 um valor de bin\u00e1rio personalizado de 0,1 a 25 N-m. Navegue pelo nosso cat\u00e1logo de dobradi\u00e7as de torque ou <a href=\"https:\/\/manufactorhinge.com\/pt\/contactar-nos\/\">contactar os nossos engenheiros<\/a>. Amostras em 10 dias \u00fateis, MOQ a partir de 1.000 unidades.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Specifying a torque hinge starts with one number: the holding torque your application needs. Get it right, and the panel stays exactly where the user leaves it for the life of the product. Get it wrong, and the panel either drifts shut under its own weight or feels stiff and awkward to move. This guide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3801,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"#gspb_image-id-gsbp-45de7ef img,#gspb_image-id-gsbp-f9bf28a img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;height:auto}","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Calculate Torque Hinge Requirements | Formula + Examples - Torque &amp; Industrial Hinge Manufacturer<\/title>\n<meta name=\"description\" content=\"Calculate torque hinge requirements in 5 steps with formula, worked examples, safety factors, and an engineer selection checklist.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Calculate Torque Hinge Requirements | Formula + Examples - Torque &amp; 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A slightly higher torque means the panel holds securely; rounding down risks drift over the hinge's life as torque naturally decreases. If the gap is large, an adjustable torque hinge lets you tune the exact holding force after installation.\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2\",\"position\":2,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2\",\"name\":\"Can I specify too much torque?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Excessive holding torque makes the panel stiff and difficult to move, can cause user fatigue in high-use applications, and places extra stress on the mounting points and the panel itself. Aim for your calculated static torque multiplied by the appropriate safety factor, rather than simply choosing the highest torque available.\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3\",\"position\":3,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3\",\"name\":\"How does temperature affect the torque I need?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Temperature does not change the torque your panel demands, but it can change the torque a hinge delivers because lubricant viscosity shifts with temperature. For applications below -10\u00b0C or above 70\u00b0C, specify a temperature-rated lubricant and apply a 2\u00d7 safety factor to allow for this variation.\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4\",\"position\":4,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4\",\"name\":\"What is the difference between static and dynamic torque?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Static torque is the force needed to hold a panel stationary at an angle. This is what the calculation in this guide produces. Dynamic torque is the force felt while moving the panel. For most position-holding applications, sizing to the static holding torque with a safety factor is the correct approach.\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5\",\"position\":5,\"url\":\"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5\",\"name\":\"Do I divide the torque if I use two hinges?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Two hinges share the load, so each carries roughly half the total required torque. However, specify each hinge with enough margin for imperfect load sharing, panel flex, and uneven opening. 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A slightly higher torque means the panel holds securely; rounding down risks drift over the hinge's life as torque naturally decreases. If the gap is large, an adjustable torque hinge lets you tune the exact holding force after installation.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2","position":2,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-2","name":"Posso especificar um bin\u00e1rio demasiado elevado?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Excessive holding torque makes the panel stiff and difficult to move, can cause user fatigue in high-use applications, and places extra stress on the mounting points and the panel itself. Aim for your calculated static torque multiplied by the appropriate safety factor, rather than simply choosing the highest torque available.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3","position":3,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-3","name":"Como \u00e9 que a temperatura afecta o bin\u00e1rio de que necessito?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Temperature does not change the torque your panel demands, but it can change the torque a hinge delivers because lubricant viscosity shifts with temperature. For applications below -10\u00b0C or above 70\u00b0C, specify a temperature-rated lubricant and apply a 2\u00d7 safety factor to allow for this variation.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4","position":4,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-4","name":"Qual \u00e9 a diferen\u00e7a entre bin\u00e1rio est\u00e1tico e din\u00e2mico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Static torque is the force needed to hold a panel stationary at an angle. This is what the calculation in this guide produces. Dynamic torque is the force felt while moving the panel. For most position-holding applications, sizing to the static holding torque with a safety factor is the correct approach.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5","position":5,"url":"https:\/\/manufactorhinge.com\/how-to-calculate-torque-hinge-requirements-formula-examples\/#a1-faq-5","name":"Devo dividir o bin\u00e1rio se utilizar duas dobradi\u00e7as?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Two hinges share the load, so each carries roughly half the total required torque. However, specify each hinge with enough margin for imperfect load sharing, panel flex, and uneven opening. Many panels above 1\u20132 kg use at least two hinges for stability.","inLanguage":"pt-PT"},"inLanguage":"pt-PT"}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/posts\/3793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/comments?post=3793"}],"version-history":[{"count":2,"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/posts\/3793\/revisions"}],"predecessor-version":[{"id":3804,"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/posts\/3793\/revisions\/3804"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/media\/3801"}],"wp:attachment":[{"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/media?parent=3793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/categories?post=3793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/manufactorhinge.com\/pt\/wp-json\/wp\/v2\/tags?post=3793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}