{"id":5599,"date":"2019-10-15T10:00:20","date_gmt":"2019-10-15T10:00:20","guid":{"rendered":"http:\/\/balconistasa.com\/?p=5599"},"modified":"2019-10-15T10:00:20","modified_gmt":"2019-10-15T10:00:20","slug":"em-todas-as-revolucoes-o-que-importa-sao-os-detalhes","status":"publish","type":"post","link":"https:\/\/balconistasa.com\/?p=5599","title":{"rendered":"Em todas as revolu\u00e7\u00f5es, o que importa s\u00e3o os detalhes"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Os engenheiros de transmiss\u00e3o da SKF est\u00e3o buscando solu\u00e7\u00f5es inovadoras para antigos problemas de efici\u00eancia, custo e confiabilidade, explica Carole Girardin da SKF, gerente global de engenharia e desenvolvimento de produtos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A transmiss\u00e3o automotiva est\u00e1 em fase de transi\u00e7\u00e3o. Enquanto equipes de engenharia se apressam para desenvolver novas arquiteturas de ve\u00edculos el\u00e9tricos e h\u00edbridos, elas devem continuar aproveitando cada mil\u00e9simo da efici\u00eancia dos motores de combust\u00e3o interna e dos designs de transmiss\u00e3o. Essa estrat\u00e9gia de desenvolvimento em v\u00e1rias vias tem muitos quil\u00f4metros a serem percorridos.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Embora governos ao redor do mundo estejam anunciando planos para eliminar os motores a gasolina e a diesel nas pr\u00f3ximas d\u00e9cadas, os motores de combust\u00e3o, em combina\u00e7\u00e3o com diferentes n\u00edveis de hibridiza\u00e7\u00e3o, ainda devem representar mais de 90% do mercado global de carros de passeio at\u00e9, pelo menos, a metade da pr\u00f3xima d\u00e9cada.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A SKF tem estado envolvida no desenvolvimento de rolamentos e outros componentes para aplica\u00e7\u00f5es automotivas desde a primeira revolu\u00e7\u00e3o automotiva. Atualmente, a empresa continua investindo fortemente em tecnologia, desenvolvimento de produtos, bem como suporte a aplica\u00e7\u00f5es no setor, ajudando os fabricantes de equipamentos originais e seus fornecedores a resolver os desafios mais dif\u00edceis de engenharia atualmente.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os conjuntos propulsores tradicionais de combust\u00e3o interna permanecem sendo um foco significativo do trabalho da SKF no setor automotivo. A empresa est\u00e1 desenvolvendo e testando novas solu\u00e7\u00f5es que reduzem o atrito para melhorar a efici\u00eancia, o consumo de combust\u00edvel e as emiss\u00f5es do motor. Em particular, um recente trabalho concentrou-se em novas solu\u00e7\u00f5es que atendem \u00e0s necessidades do cliente em aplica\u00e7\u00f5es de eixo de cames e balanceamento de eixo.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trabalhando com um grande fabricante europeu, por exemplo, a SKF ajudou a criar um novo pacote do rolamento que reduz significativamente as perdas decorrentes do atrito em uma aplica\u00e7\u00e3o de balanceamento do eixo.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A nova solu\u00e7\u00e3o permitiu ao fabricante substituir seus tradicionais rolamentos de munh\u00e3o por rolamentos SKF. Essa mudan\u00e7a reduziu o atrito dos sistemas de transmiss\u00e3o e diminuiu as emiss\u00f5es de CO2 em mais de 1%. A SKF tamb\u00e9m ajuda os fabricantes a otimizar os processos de montagem e embalagem de componentes. Nessa aplica\u00e7\u00e3o, o tratamento t\u00e9rmico carbonitretado foi usado para aumentar a resist\u00eancia \u00e0 fadiga da subsuperf\u00edcie dos rolamentos, permitindo uma vida \u00fatil mais longa sem nenhum aumento no tamanho do rolamento.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outro fabricante de equipamentos originais estava procurando maneiras de melhorar a efici\u00eancia de sua arquitetura de eixo de cames sem afetar muito a embalagem. Trabalhando com a SKF, o fabricante substituiu sua solu\u00e7\u00e3o de r\u00f3tulas existente por um rolamento de esferas de se\u00e7\u00e3o fina. Novamente, um tratamento de superf\u00edcie carbonitretada dos rolamentos foi utilizado para aprimorar suas caracter\u00edsticas de fadiga da superf\u00edcie no ambiente operacional exigente, que exigia que os rolamentos operassem na fuligem suja de \u00f3leo do motor. A nova solu\u00e7\u00e3o permitiu ao fabricante de equipamentos originais reduzir significativamente as perdas por atrito geradas pela carga axial no eixo. Essa mudan\u00e7a ajudou a atender aos padr\u00f5es europeus mais recentes em rela\u00e7\u00e3o \u00e0s emiss\u00f5es de CO2.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma parte importante do trabalho de desenvolvimento da SKF em aplica\u00e7\u00f5es como essas \u00e9 seu uso de programas de software de simula\u00e7\u00e3o pr\u00f3prios avan\u00e7ados para otimizar o projeto dos componentes do rolamento. A empresa continua desenvolvendo abordagens computacionais para a estimativa da vida \u00fatil do rolamento e simula\u00e7\u00e3o din\u00e2mica avan\u00e7ada para prever o comportamento dos componentes dentro dos sistemas de transmiss\u00e3o. Durante o processo de desenvolvimento, as solu\u00e7\u00f5es tamb\u00e9m pode ser validada com testes f\u00edsicos para determinar a vida \u00fatil do rolamento em diversas condi\u00e7\u00f5es de lubrifica\u00e7\u00e3o e contamina\u00e7\u00e3o, atrito, bem como as caracter\u00edsticas de vibra\u00e7\u00e3o e ru\u00eddo.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os pr\u00f3ximos anos podem ser o per\u00edodo mais din\u00e2mico e desafiador em d\u00e9cadas para a engenharia de transmiss\u00e3o automotiva. Com a expertise l\u00edder do setor em ci\u00eancia de materiais, an\u00e1lise, projeto e teste de componentes, a SKF est\u00e1 trabalhando com empresas em todo o setor para resolver problemas, desenvolver solu\u00e7\u00f5es inovadoras e ampliar os limites de desempenho, confiabilidade e efici\u00eancia.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Equipe de engenharia de transmiss\u00e3o da SKF est\u00e1 buscando solu\u00e7\u00f5es inovadoras para problemas antigos<\/p>\n","protected":false},"author":1,"featured_media":5600,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"class_list":["post-5599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-em-pauta"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Em todas as revolu\u00e7\u00f5es, o que importa s\u00e3o os detalhes - 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