{"id":24041,"date":"2025-02-04T11:45:11","date_gmt":"2025-02-04T14:45:11","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=24041"},"modified":"2025-02-04T11:45:25","modified_gmt":"2025-02-04T14:45:25","slug":"pistao-com-perfil-oval","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/pistao-com-perfil-oval\/","title":{"rendered":"Pist\u00e3o Com Perfil Oval"},"content":{"rendered":"<p class=\"wp-block-paragraph\">O <strong>pist&#xE3;o cam-ground<\/strong> &#xE9; um tipo de pist&#xE3;o utilizado em motores alternativos, que n&#xE3;o possui um formato completamente cil&#xED;ndrico. Em vez disso, ele &#xE9; usinado com um di&#xE2;metro ligeiramente menor no eixo paralelo ao <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_ce1611429da1f3a03240128769b515c5\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pino-do-pistao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pino-do-pistao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">pino do pist&#xE3;o<\/a> (wrist pin) em compara&#xE7;&#xE3;o com o eixo perpendicular a esse pino.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Por que esse formato?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Essa diferen&#xE7;a de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f558823960c67f0aa17352bb13d56ca2\" data-link=\"https:\/\/hangarmma.com.br\/blog\/diametros\/\" href=\"https:\/\/hangarmma.com.br\/blog\/diametros\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">di&#xE2;metros<\/a> &#xE9; projetada para compensar a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_eda49589f46126c94192e463f87a8114\" data-link=\"https:\/\/hangarmma.com.br\/blog\/expansao-termica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/expansao-termica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">expans&#xE3;o t&#xE9;rmica<\/a> desigual do pist&#xE3;o durante o funcionamento do motor. O material ao redor do furo do <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_ce1611429da1f3a03240128769b515c5\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pino-do-pistao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pino-do-pistao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">pino do pist&#xE3;o<\/a> (wrist pin boss) tem mais <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_93bdf45fd9fa5b6ee0cdc0335fbfca07\" data-link=\"https:\/\/hangarmma.com.br\/blog\/massa-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/massa-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">massa<\/a> de metal, o que significa que ele se expande mais quando aquecido. Com essa constru&#xE7;&#xE3;o, quando o pist&#xE3;o atinge sua <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d24adcde90e488bb88458b096212a94d\" data-link=\"https:\/\/hangarmma.com.br\/blog\/temperatura\/\" href=\"https:\/\/hangarmma.com.br\/blog\/temperatura\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">temperatura<\/a> normal de opera&#xE7;&#xE3;o, ele se torna perfeitamente redondo, reduzindo o desgaste e melhorando o desempenho.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vantagens do Pist&#xE3;o Cam-Ground:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Redu&#xE7;&#xE3;o de desgaste:<\/strong> Minimiza o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a> com a parede do cilindro, prolongando a vida &#xFA;til do pist&#xE3;o e do motor.<\/li>\n\n\n\n<li><strong>Melhor veda&#xE7;&#xE3;o:<\/strong> Com a expans&#xE3;o controlada, melhora a veda&#xE7;&#xE3;o entre o pist&#xE3;o e o cilindro, otimizando a compress&#xE3;o do motor.<\/li>\n\n\n\n<li><strong>Menor ru&#xED;do:<\/strong> Evita o &#x201C;batimento de saia&#x201D; (piston slap), que ocorre quando um pist&#xE3;o mal ajustado oscila dentro do cilindro.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Esse tipo de pist&#xE3;o &#xE9; bastante utilizado em motores aeron&#xE1;uticos e automotivos de alto desempenho devido &#xE0; sua <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d4bcb0389d747405798b04a527f869ab\" data-link=\"https:\/\/hangarmma.com.br\/blog\/eficiencia-termica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/eficiencia-termica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">efici&#xEA;ncia t&#xE9;rmica<\/a> e mec&#xE2;nica.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O pist\u00e3o cam-ground \u00e9 um tipo de pist\u00e3o utilizado em motores alternativos, que n\u00e3o possui um formato completamente cil\u00edndrico. Em vez disso, ele \u00e9 usinado com um di\u00e2metro ligeiramente menor no eixo paralelo ao pino do pist\u00e3o (wrist pin) em compara\u00e7\u00e3o com o eixo perpendicular a esse pino. Por que esse formato? Essa diferen\u00e7a de [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-24041","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pist\u00e3o Com Perfil Oval - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/pistao-com-perfil-oval\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pist\u00e3o Com Perfil Oval - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"O pist\u00e3o cam-ground \u00e9 um tipo de pist\u00e3o utilizado em motores alternativos, que n\u00e3o possui um formato completamente cil\u00edndrico. Em vez disso, ele \u00e9 usinado com um di\u00e2metro ligeiramente menor no eixo paralelo ao pino do pist\u00e3o (wrist pin) em compara\u00e7\u00e3o com o eixo perpendicular a esse pino. Por que esse formato? 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