{"id":11968,"date":"2017-12-14T21:51:40","date_gmt":"2017-12-14T21:51:40","guid":{"rendered":"http:\/\/accento.space\/imporbrake.com\/?p=11968"},"modified":"2018-01-31T16:57:42","modified_gmt":"2018-01-31T16:57:42","slug":"campanas-de-freno","status":"publish","type":"post","link":"https:\/\/www.imporbrake.com\/?p=11968","title":{"rendered":"Campanas de Freno"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<p align=\"justify\">El freno de campana (tambor) es un tipo de freno en el que la fricci\u00f3n se causa por un par de zapatas que presionan contra la superficie interior de un tambor giratorio, el cual est\u00e1 conectado al eje o la rueda.<\/p>\n<h5>Historia<\/h5>\n<p align=\"justify\">Los frenos de campana modernos se inventaron en 1902 por Louis Renault, aunque un tipo de freno similar pero menos sofisticado ya se hab\u00eda usado por Wilhelm Maybach un a\u00f1o antes. En los primeros dise\u00f1os las zapatas eran dirigidas mec\u00e1nicamente; a mediados de los a\u00f1os &#8217;30 se introdujo un sistema hidr\u00e1ulico por medio de un aceite especial, si bien el sistema cl\u00e1sico se sigui\u00f3 utilizando durante d\u00e9cadas en algunos modelos.<\/p>\n<h5>Ventajas y Desvantajas<\/h5>\n<p align=\"justify\">Las zapatas o bandas eran un elemento que hab\u00eda que ajustar regularmente hasta que en los a\u00f1os 50&#8217;s se introdujo un sistema de autoadaptaci\u00f3n que hac\u00eda innecesario el ajuste manual. En los a\u00f1os 60 y 70 se empezaron a dejar de fabricar coches con frenos de tambor en el eje delantero. En su lugar se fue introduciendo el freno de disco al igual que en las motos y actualmente todos los veh\u00edculos los incorporan al menos en el eje delantero. Esto es debido a que los frenos de campanas con bandas internas tienen poca capacidad de disipar el calor generado por la fricci\u00f3n, lo que hace que se sobrecalienten f\u00e1cilmente. En esos casos el tambor se dilata lo que hace necesario presionar con m\u00e1s fuerza para obtener una frenada aceptable. Los frenos de campana presentan la ventaja de proteger el sistema contra proyecciones de agua, barro, etc.., haci\u00e9ndoles m\u00e1s id\u00f3neos para condiciones climatol\u00f3gicas de nieve o lluvia en caminos o carreteras secundarias. Actualmente los frenos de campana se siguen utilizando en los veh\u00edculos de gama baja, sobre todo en las ruedas traseras, debido a su menor coste sobre los frenos de disco. En los veh\u00edculos de gran tonelaje, con sistemas de frenado por aire a presi\u00f3n, como los camiones, siguen emple\u00e1ndose por la gran superficie de intercambio de energ\u00eda por fricci\u00f3n que presentan, mucho mayor que la de una pastilla de disco.<\/p>\n<h5>Rayaduras<\/h5>\n<p align=\"justify\">Se rayan cuando los remaches de la bandas (zapatas) rascan la campana cuando la superficie de fricci\u00f3n de la s bandas est\u00e1n desgastadas. Debido a que el operador del veh\u00edculo no tomo las acciones necesarias para revisar sus zapata (balatas).<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] El freno de campana (tambor) es un tipo de freno en el que la fricci\u00f3n se causa por un par de zapatas que presionan contra la superficie interior de<\/p>\n","protected":false},"author":1,"featured_media":11970,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","_joinchat":[],"footnotes":""},"categories":[9],"tags":[],"class_list":["post-11968","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-campanas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Campanas de Freno - 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