{"id":5348,"date":"2019-08-28T15:33:34","date_gmt":"2019-08-28T15:33:34","guid":{"rendered":"http:\/\/balconistasa.com\/?p=5348"},"modified":"2019-08-28T15:33:34","modified_gmt":"2019-08-28T15:33:34","slug":"conheca-a-historia-da-vela-de-ignicao","status":"publish","type":"post","link":"https:\/\/balconistasa.com\/?p=5348","title":{"rendered":"Conhe\u00e7a a hist\u00f3ria da vela de igni\u00e7\u00e3o"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A vela de igni\u00e7\u00e3o \u00e9 respons\u00e1vel por fornecer a centelha, tamb\u00e9m chamada de fa\u00edsca el\u00e9trica, que \u00e9 o elemento que d\u00e1 a partida no motor, ao emitir energia (voltagem el\u00e9trica) para a c\u00e2mara de combust\u00e3o. A fa\u00edsca criada d\u00e1 in\u00edcio \u00e0 explos\u00e3o da mistura ar\/combust\u00edvel que impulsiona os pist\u00f5es, processo que permite que o motor se movimente continuamente, assim como as rodas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hist\u00f3ria<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em 1860, \u00c9tienne Lenoir usou uma vela em seu motor a g\u00e1s, o primeiro motor de pist\u00e3o com combust\u00e3o interna e \u00e9 muitas vezes creditado como o inventor do componente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por\u00e9m, em 1901, a Bosch criou a primeira vela para a tecnologia de autom\u00f3veis modernos. Ela substituiu os sistemas de <a href=\"http:\/\/balconistasa.com\/2018\/01\/10\/deu-match-cabos-de-ignicao-e-velas\/\">igni\u00e7\u00e3o habituais<\/a> da \u00e9poca, como os tubos incandescentes ou as chamas abertas. Em 1902, a empresa alem\u00e3 conseguiu a patente da inven\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Funcionamento<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Partes de uma vela de igni\u00e7\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Isolador de cer\u00e2mica: melhora a dissipa\u00e7\u00e3o t\u00e9rmica e a isola\u00e7\u00e3o el\u00e9trica<\/li><li>Calafetagem: Diminui a possibilidade de escape de gases, o que proporciona um grau t\u00e9rmico uniforme<\/li><li>Castelo Met\u00e1lico: Atenua a oxida\u00e7\u00e3o e a corros\u00e3o<\/li><li>Eletrodo Central: Embutido na ponta de n\u00edquel<\/li><li>Ponta de Eletrodo Central e Lateral: Diminui a possibilidade de desgaste prematuro e a corros\u00e3o<\/li><li>Pino Terminal: local onde \u00e9 formado a fa\u00edsca el\u00e9trica<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/balconistasa.com\/wp-content\/uploads\/2021\/08\/GALERIA_0000_spark-plugs-P6VENTH-1-1024x683.jpg\" alt=\"velas de igni\u00e7\u00e3o empilhadas\" class=\"wp-image-5350\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Desgaste<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As velas de igni\u00e7\u00e3o come\u00e7am a sofrer um desgaste ap\u00f3s 10 a 20 mil km rodados. Ao alcan\u00e7ar essa quilometragem \u00e9 recomendado a inspe\u00e7\u00e3o de um mec\u00e2nico. Existem sintomas que demonstram que o componente precisa ser trocado: corros\u00e3o dos eletrodos, fuligem preta (carboniza\u00e7\u00e3o seca), sujeira preta e oleosa (carboniza\u00e7\u00e3o oleosa), superaquecimento, eletrodo central e laterais fundidos, isolador trincado ou quebrado, res\u00edduos de chumbo e outras impurezas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um dos problemas mais comuns \u00e9 o fato do carro apresentar falhas quando est\u00e1 rodando ou simplesmente n\u00e3o ligar quando a chave \u00e9 girada no contato.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/balconistasa.com\/wp-content\/uploads\/2021\/08\/GALERIA_0001_shutterstock_1312601945-1024x683.jpg\" alt=\"velas de igni\u00e7\u00e3o alinhadas\" class=\"wp-image-5351\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A vela de igni&ccedil;&atilde;o &eacute; respons&aacute;vel por fornecer a centelha, tamb&eacute;m chamada de fa&iacute;sca el&eacute;trica, que &eacute; o elemento que d&aacute; a partida no motor, ao emitir energia (voltagem el&eacute;trica) para a c&acirc;mara de combust&atilde;o. A fa&iacute;sca criada d&aacute; in&iacute;cio &agrave; explos&atilde;o da mistura ar\/combust&iacute;vel que impulsiona os pist&otilde;es, processo que permite que o motor [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5349,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68],"tags":[69,147,984,985],"class_list":["post-5348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-autopecas","tag-autopecas","tag-historia","tag-vela","tag-vela-de-ignicao"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Conhe\u00e7a a hist\u00f3ria da vela de igni\u00e7\u00e3o - Balconista<\/title>\n<meta name=\"description\" content=\"A vela de igni\u00e7\u00e3o \u00e9 respons\u00e1vel por fornecer a centelha, tamb\u00e9m chamada de fa\u00edsca el\u00e9trica, que \u00e9 o elemento que d\u00e1 a partida no motor. 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