{"id":66072,"date":"2024-08-20T11:49:35","date_gmt":"2024-08-20T09:49:35","guid":{"rendered":"https:\/\/grupoalava.rearmachine.com\/a-importancia-dos-detalhes-na-analise-das-formas-modais-em-operacao-ods\/"},"modified":"2024-08-20T11:49:35","modified_gmt":"2024-08-20T09:49:35","slug":"a-importancia-dos-detalhes-na-analise-das-formas-modais-em-operacao-ods","status":"publish","type":"post","link":"https:\/\/grupoalava.rearmachine.com\/pt\/preditec\/a-importancia-dos-detalhes-na-analise-das-formas-modais-em-operacao-ods\/","title":{"rendered":"A import\u00e2ncia dos detalhes na an\u00e1lise das formas modais em opera\u00e7\u00e3o (ODS)"},"content":{"rendered":"<p>Francisco S\u00e1nchez, Engenheiro de C\u00e1lculo e Ensaios Din\u00e2micos, Preditec\/IRM<\/p>\n<h3>Transfer\u00eancia de documentos<\/h3>\n<ul>\n<li class=\"item\"><a href=\"https:\/\/www.preditec.com\/rep\/d7bb\/pdf\/484702\/19\/la-importancia-del-detalle-en-el-analisis-de-formas-modales-en-operacion-ods---pdf---919-kb.pdf?d=1\">A import\u00e2ncia dos detalhes na an\u00e1lise das formas modais em opera\u00e7\u00e3o (ODS) &#8211; PDF &#8211; 919 KB<\/a><\/li>\n<\/ul>\n<p>Quando h\u00e1 problemas de n\u00edveis elevados de vibra\u00e7\u00e3o nas m\u00e1quinas ou avarias recorrentes nos seus componentes, existem <strong>t\u00e9cnicas de an\u00e1lise din\u00e2mica<\/strong> que nos permitem conhecer os padr\u00f5es de deforma\u00e7\u00e3o din\u00e2micos que uma m\u00e1quina apresenta nas suas condi\u00e7\u00f5es normais de funcionamento. Desta forma, e ao compreendermos corretamente quais os modos de vibra\u00e7\u00e3o que est\u00e3o a ser excitados, podemos trabalhar com modelos de c\u00e1lculo que permitam modificar alguns dos seus par\u00e2metros, de modo a garantir um funcionamento est\u00e1vel da m\u00e1quina em an\u00e1lise. <\/p>\n<p>A an\u00e1lise das <strong>Formas de Deflex\u00e3o Operacionais<\/strong> (Operational Deflection Shapes) consiste na aquisi\u00e7\u00e3o de espectros de vibra\u00e7\u00e3o em v\u00e1rios pontos da estrutura da m\u00e1quina, com uma ou v\u00e1rias refer\u00eancias de fase fixas. O movimento relativo entre eles vai descrever os padr\u00f5es de deforma\u00e7\u00e3o presentes durante o funcionamento. <\/p>\n<p>Em muitas ocasi\u00f5es, o analista tem de perceber o problema din\u00e2mico com que se depara antes mesmo de come\u00e7ar a medir. A escolha dos <strong>pontos de medi\u00e7\u00e3o<\/strong>, bem como das <strong>zonas da estrutura<\/strong> \u00e0s quais se deve prestar especial aten\u00e7\u00e3o para realizar uma <strong>an\u00e1lise detalhada,<\/strong> \u00e9 crucial para o <strong>sucesso da interven\u00e7\u00e3o<\/strong>. <\/p>\n<p><a title=\"A import\u00e2ncia dos detalhes na an\u00e1lise das formas modais em opera\u00e7\u00e3o (ODS) - PDF - 919 KB\" href=\"https:\/\/www.preditec.com\/rep\/91b1\/pdf\/484702\/21\/la-importancia-del-detalle-en-el-analisis-de-formas-modales-en-operacion-ods---pdf---919-kb?d=1\">Ler mais.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Francisco S\u00e1nchez, Engenheiro de C\u00e1lculo e Ensaios Din\u00e2micos, Preditec\/IRM Transfer\u00eancia  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":66073,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8508,8516],"tags":[8550],"class_list":["post-66072","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-preditec","category-conhecimento","tag-artigos-especializados"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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