{"title":"Guias das Válvulas","description":"\u003cp data-start=\"40\" data-end=\"275\"\u003eOs \u003cstrong data-start=\"43\" data-end=\"59\"\u003evalve guides\u003c\/strong\u003e (em português, \u003cstrong data-start=\"75\" data-end=\"96\"\u003eguias das válvulas\u003c\/strong\u003e) são componentes cilíndricos de precisão instalados no \u003cstrong data-start=\"152\" data-end=\"180\"\u003ecabeçote\/cúpula (cylinder head)\u003c\/strong\u003e, cuja função é \u003cstrong data-start=\"196\" data-end=\"237\"\u003eguiar a haste da válvula (valve stem)\u003c\/strong\u003e no seu movimento de abrir e fechar.\u003c\/p\u003e\n\u003cp data-start=\"516\" data-end=\"544\"\u003e⚙️ \u003cstrong data-start=\"519\" data-end=\"542\"\u003eFunções principais:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"545\" data-end=\"828\"\u003e\n\u003cli data-start=\"545\" data-end=\"626\"\u003e\n\u003cp data-start=\"548\" data-end=\"626\"\u003e\u003cstrong data-start=\"548\" data-end=\"573\"\u003eCentralizar a válvula\u003c\/strong\u003e em relação ao assento, garantindo vedação correta.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"627\" data-end=\"695\"\u003e\n\u003cp data-start=\"630\" data-end=\"695\"\u003e\u003cstrong data-start=\"630\" data-end=\"652\"\u003eMinimizar desgaste\u003c\/strong\u003e da haste da válvula durante o movimento.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"696\" data-end=\"761\"\u003e\n\u003cp data-start=\"699\" data-end=\"761\"\u003e\u003cstrong data-start=\"699\" data-end=\"735\"\u003ePermitir lubrificação controlada\u003c\/strong\u003e entre a haste e o guia.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"762\" data-end=\"828\"\u003e\n\u003cp data-start=\"765\" data-end=\"828\"\u003e\u003cstrong data-start=\"765\" data-end=\"798\"\u003eAjudar na dissipação de calor\u003c\/strong\u003e da válvula para o cabeçote.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"830\" data-end=\"856\"\u003e📌 \u003cstrong data-start=\"833\" data-end=\"854\"\u003eMateriais comuns:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"857\" data-end=\"1001\"\u003e\n\u003cli data-start=\"857\" data-end=\"894\"\u003e\n\u003cp data-start=\"859\" data-end=\"894\"\u003eFerro fundido (mais tradicional).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"895\" data-end=\"952\"\u003e\n\u003cp data-start=\"897\" data-end=\"952\"\u003eBronze (melhor condutividade térmica e menor atrito).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"953\" data-end=\"1001\"\u003e\n\u003cp data-start=\"955\" data-end=\"1001\"\u003eMateriais sinterizados (maior durabilidade).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1003\" data-end=\"1178\"\u003e👉 Os \u003cstrong data-start=\"1009\" data-end=\"1030\"\u003eguias de válvulas\u003c\/strong\u003e trabalham em conjunto com os \u003cstrong data-start=\"1060\" data-end=\"1099\"\u003eretentores de válvula (valve seals)\u003c\/strong\u003e para controlar a passagem de óleo, evitando consumo excessivo e fumaça azul.\u003c\/p\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/6438\/7772\/collections\/valve-guides-collection-image.png?v=1755766828","url":"https:\/\/xn--redepeas-x0a.com\/es\/collections\/guias-das-valvulas.oembed","provider":"Rede Peças","version":"1.0","type":"link"}