{"id":3647,"date":"2023-11-14T04:39:41","date_gmt":"2023-11-14T04:39:41","guid":{"rendered":"https:\/\/www.coomcool.com\/?p=3647"},"modified":"2024-09-14T07:34:29","modified_gmt":"2024-09-14T07:34:29","slug":"analysis-of-common-causes-of-chain-failure","status":"publish","type":"post","link":"https:\/\/www.coomcool.com\/pt\/analysis-of-common-causes-of-chain-failure\/","title":{"rendered":"An\u00e1lise das causas comuns de falha da cadeia"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3647\" class=\"elementor elementor-3647\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-c751267 e-flex e-con-boxed e-con e-parent\" data-id=\"c751267\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c841db elementor-widget elementor-widget-wd_text_block\" data-id=\"2c841db\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><blockquote><div class=\"ace-line ace-line old-record-id-FggpdlBB9oOc6rxnOFfcyOH1n2J\">As correntes s\u00e3o amplamente utilizadas em v\u00e1rias aplica\u00e7\u00f5es de condu\u00e7\u00e3o e transporte. No entanto, o funcionamento cont\u00ednuo a longo prazo pode levar a v\u00e1rios problemas. Abaixo est\u00e3o as causas comuns de falha da corrente.<\/div><\/blockquote><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-ca99ea0 e-flex e-con-boxed e-con e-parent\" data-id=\"ca99ea0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41d4d14 elementor-widget__width-initial elementor-widget elementor-widget-wd_table\" data-id=\"41d4d14\" data-element_type=\"widget\" data-widget_type=\"wd_table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"wd-el-table-wrap wd-reset-all-last\">\n\t\t\t<table class=\"wd-el-table\">\n\t\t\t\t\t\t\t\t\t<thead class=\"text-center\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-d480911\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th class=\"wd-table-cell elementor-repeater-item-37c0c74\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-P9NCdOwGeododXxmDiwcgbnmnch\">Causas de falha<\/div><\/div>\t\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th class=\"wd-table-cell elementor-repeater-item-0ee2ebd\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Kak9d5IE6o972pxVJ2KcyfXJnzD\">Ilustra\u00e7\u00e3o<\/div><\/div>\t\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t<\/thead>\n\t\t\t\t\n\t\t\t\t<tbody class=\"text-left\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-6cfcc38\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-316bbc7\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-HYZUdsnkMohSjnxYHDNcGijwn6g\" style=\"text-align: center\">Fratura de pinos - Fadiga por corros\u00e3o<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-51a3aa1\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-3634 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue.jpg\" alt=\"\" width=\"1815\" height=\"481\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue.jpg 1815w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue-300x80.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue-1024x271.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue-768x204.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue-1536x407.jpg 1536w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue-18x5.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue-1200x318.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/1.Pin-Fracture-Corrosion-Fatigue-150x40.jpg 150w\" sizes=\"(max-width: 1815px) 100vw, 1815px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-e69a603\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-53aa766\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Mo3qdXzzcoX7B0xgyEJck16Entc\" data-list=\"bullet\"><div>Quando a carga \u00e9 aplicada \u00e0 corrente, esta acumula-se entre a \"parte de tr\u00e1s\" do pino e as paredes internas do elo ou casquilho.<\/div><\/li><li class=\"ace-line ace-line old-record-id-LVA5dK5LUoVydyxGjZKc1Arkncf\" data-list=\"bullet\"><div>Se o pino da corrente funcionar em condi\u00e7\u00f5es com \u00e1gua, compostos \u00e1cido-base, ou situa\u00e7\u00f5es em que a \u00e1gua gera \u00e1cido, e n\u00e3o tiver prote\u00e7\u00e3o, as \u00e1reas expostas do pino s\u00e3o suscept\u00edveis de corros\u00e3o e picadas.<\/div><\/li><li class=\"ace-line ace-line old-record-id-AVPRds0skoOZSxxKE77cIXCZnDe\" data-list=\"bullet\"><div>Como qualquer componente estrutural, o pino da corrente dobra-se ligeiramente sob carga. Neste caso, a superf\u00edcie traseira do pino \u00e9 esticada ou est\u00e1 sob tens\u00e3o e, se o pino j\u00e1 estiver corro\u00eddo, cada fosso torna-se um ponto de concentra\u00e7\u00e3o de tens\u00e3o.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-60e785d\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-ba2809e\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-GEfzd0JePoRa3rxEYWUcCJfKngg\" style=\"text-align: center\">Desgaste do pino - Abras\u00e3o, lubrifica\u00e7\u00e3o insuficiente ou falha<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-055dcab\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img decoding=\"async\" class=\"size-full wp-image-3635 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure.jpg\" alt=\"\" width=\"1808\" height=\"431\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure.jpg 1808w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure-300x72.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure-1024x244.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure-768x183.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure-1536x366.jpg 1536w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure-18x4.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure-1200x286.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/2.Pin-Wear-Abrasion-Insufficient-Lubrication-or-Failure-150x36.jpg 150w\" sizes=\"(max-width: 1808px) 100vw, 1808px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-8cb6055\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-2e3e389\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-FBVRdlEr3oXhSwx9VS2chNwqnX7\" data-list=\"bullet\"><div>A presen\u00e7a de materiais abrasivos ou de uma pel\u00edcula de \u00f3leo ineficaz entre as superf\u00edcies dos rolamentos acelera o desgaste. O pino aqui apresentado funciona numa corrente de transmiss\u00e3o de energia exposta a areia e sujidade.<\/div><\/li><li class=\"ace-line ace-line old-record-id-AfoudbZZgoVPmOxNj8Gc4JrBnSe\" data-list=\"bullet\"><div>Estes materiais abrasivos penetram nos elos, provocando um desgaste r\u00e1pido do pino e reduzindo significativamente a vida \u00fatil da corrente.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-0fb8dec\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-1611f8e\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BrXIdWyegopEckxm40ecFlElnTb\" style=\"text-align: center\">Arranh\u00f5es nos pinos - Pel\u00edcula de \u00f3leo insuficiente entre as superf\u00edcies da chumaceira<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-02bcc92\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img decoding=\"async\" class=\"size-full wp-image-3636 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces.jpg\" alt=\"\" width=\"1268\" height=\"1001\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces.jpg 1268w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces-300x237.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces-1024x808.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces-768x606.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces-15x12.jpg 15w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces-1200x947.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/3.Pin-Scuffing-Insufficient-Oil-Film-Between-Bearing-Surfaces-150x118.jpg 150w\" sizes=\"(max-width: 1268px) 100vw, 1268px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-1fc85c3\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-5c4ce9b\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-SlxmdHsFDoZT0Fxj8iTcXfd8nhe\" data-list=\"bullet\"><div>Se a pel\u00edcula de \u00f3leo for insuficiente para suportar a carga ou se a lubrifica\u00e7\u00e3o cessar por qualquer raz\u00e3o, o pino da corrente ficar\u00e1 \u00e1spero.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Fntcd3j5XoNj2axeEDGc4vhSnyb\" data-list=\"bullet\"><div>Naturalmente, a intensidade do desgaste depende do grau e da dura\u00e7\u00e3o do contacto metal-metal. Mesmo um curto per\u00edodo de funcionamento sob condi\u00e7\u00f5es de carga invulgarmente severas ou a velocidades muito elevadas pode causar um desgaste precoce ou moderado. Este tipo de desgaste pode n\u00e3o afetar significativamente a vida \u00fatil da corrente e, se forem tomadas medidas preventivas a tempo, a situa\u00e7\u00e3o pode n\u00e3o se agravar.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Ga0bdUReZomsfLx47x7cyzwOnWg\" data-list=\"bullet\"><div>O desgaste mais intenso pode ser observado quando as correntes de servi\u00e7o pesado funcionam a velocidades muito altas ou muito baixas. A altas velocidades, o desgaste do pino pode ocorrer porque o tempo entre os ciclos de carga \u00e9 insuficiente para formar uma pel\u00edcula de \u00f3leo adequada. A velocidades muito baixas, a alta press\u00e3o do rolamento pode espremer o lubrificante e cargas pesadas cont\u00ednuas podem impedir que o lubrificante se forme entre as superf\u00edcies do rolamento.<\/div><\/li><li class=\"ace-line ace-line old-record-id-DtI1dKT4eojgRIxX998c2WjfnVh\" data-list=\"bullet\"><div>Certas varia\u00e7\u00f5es de carga e velocidade permitem normalmente que o lubrificante funcione eficazmente, reduzindo a tend\u00eancia para o desgaste dos pinos.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-b4645d3\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-409606c\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-H9lBdDQcdoM0PlxqVN2c05eOnKP\" style=\"text-align: center\">Cisalhamento de pinos - Sobrecarga s\u00fabita e grave<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-d98ca66\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3637 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/4.Pin-Shearing-Sudden-Severe-Overload.png\" alt=\"\" width=\"1090\" height=\"357\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/4.Pin-Shearing-Sudden-Severe-Overload.png 1090w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/4.Pin-Shearing-Sudden-Severe-Overload-300x98.png 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/4.Pin-Shearing-Sudden-Severe-Overload-1024x335.png 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/4.Pin-Shearing-Sudden-Severe-Overload-768x252.png 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/4.Pin-Shearing-Sudden-Severe-Overload-18x6.png 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/4.Pin-Shearing-Sudden-Severe-Overload-150x49.png 150w\" sizes=\"(max-width: 1090px) 100vw, 1090px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-efb2d17\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-d7cf221\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-GSfTdcmfYoctKNxLItRcb6XMnic\" data-list=\"bullet\"><div>Se ocorrer uma separa\u00e7\u00e3o de pinos, pode normalmente ser atribu\u00edda a uma sobrecarga s\u00fabita, anormal e grave. Um bloqueio inesperado \u00e9 uma causa comum.<\/div><\/li><li class=\"ace-line ace-line old-record-id-V1XidrSrqo5RLjxLhZXc70KInwf\" data-list=\"bullet\"><div>Como mostrado na ilustra\u00e7\u00e3o, uma carga de impacto severa foi aplicada a uma corrente j\u00e1 muito carregada, causando o cisalhamento do pino. O cisalhamento do pino \u00e9 caracterizado por uma sec\u00e7\u00e3o transversal redonda e relativamente lisa. Uma vez que o cisalhamento do pino pode ser rastreado at\u00e9 condi\u00e7\u00f5es de carga anormais, a causa pode ser normalmente identificada e medidas preventivas podem ser tomadas.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-198b96c\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-3236ad4\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-EVM6d5uwIozJNUxUEa3cZA2fnWd\" style=\"text-align: center\">Flex\u00e3o de pinos - Sobrecarga<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-d0e11f3\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3638 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload.jpg\" alt=\"\" width=\"1464\" height=\"494\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload.jpg 1464w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload-300x101.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload-1024x346.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload-768x259.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload-18x6.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload-1200x405.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/5.Pin-Bending-Overload-150x51.jpg 150w\" sizes=\"(max-width: 1464px) 100vw, 1464px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-096534a\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-9adf152\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-LTcZdWZDtoaNkDx6q8bc3sldn3w\" data-list=\"bullet\"><div>A flex\u00e3o do pino resulta normalmente de uma carga s\u00fabita aplicada suficientemente forte para causar deforma\u00e7\u00e3o permanente, mas insuficiente para causar o corte do pino. Isto ocorre quando a corrente de acionamento funciona para al\u00e9m da sua capacidade de carga projectada.<\/div><\/li><li class=\"ace-line ace-line old-record-id-BlzMdxrTUotz5FxXyJvcTXkVnqg\" data-list=\"bullet\"><div>Este fen\u00f3meno \u00e9 observ\u00e1vel em correntes transportadoras pesadas, em que um aumento s\u00fabito da carga de impacto excede a capacidade normal de trabalho da corrente. Normalmente, s\u00e3o tomadas medidas corretivas para reduzir a gravidade ou a probabilidade de sobrecarga.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-6d0a098\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-1620272\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YlbGdJAGWo01QSxdznMc2BoBnab\" style=\"text-align: center\">Eros\u00e3o de pinos e casquilhos - \u00c1gua, materiais abrasivos e corrosivos<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-98f18b5\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3639 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials.jpg\" alt=\"\" width=\"1379\" height=\"937\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials.jpg 1379w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials-300x204.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials-1024x696.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials-768x522.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials-18x12.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials-1200x815.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/6.Pin-and-Bushing-Erosion-Water-Abrasive-and-Corrosive-Materials-150x102.jpg 150w\" sizes=\"(max-width: 1379px) 100vw, 1379px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-6438327\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-fe92d20\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-RbLzdQvFWo40qpxdqbKcrANJn2e\" data-list=\"bullet\"><div>As superf\u00edcies de suporte dos elos da corrente podem corroer-se quando a corrente funciona na presen\u00e7a de \u00e1gua, materiais abrasivos e corrosivos. A extens\u00e3o e a taxa de eros\u00e3o dependem da gravidade das condi\u00e7\u00f5es.<\/div><\/li><li class=\"ace-line ace-line old-record-id-SmvvdZMLGostxZxJl9dckYHPn3d\" data-list=\"bullet\"><div>A eros\u00e3o \u00e9 um processo cont\u00ednuo em que os contaminantes abrasivos e a \u00e1gua se combinam para lavar as part\u00edculas de a\u00e7o da superf\u00edcie do rolamento, reduzindo gradualmente a \u00e1rea da sec\u00e7\u00e3o transversal do pino e do casquilho.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-c03aa11\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-cdc271b\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-NlhWdoJnFoRtPoxLQj4cWBkinNb\" style=\"text-align: center\">Fecho de juntas - Corros\u00e3o, desgaste ou enchimento de juntas<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-204d63b\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3640 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints.jpg\" alt=\"\" width=\"1260\" height=\"814\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints.jpg 1260w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints-300x194.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints-1024x662.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints-768x496.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints-18x12.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints-1200x775.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/7.Joint-Seizing-Corrosion-Wear-or-Filling-of-Joints-150x97.jpg 150w\" sizes=\"(max-width: 1260px) 100vw, 1260px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-b47ebae\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-252208c\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Vjiidsg4YoEzWbxddOqcPluVnje\" data-list=\"bullet\"><div>Se as superf\u00edcies dos rolamentos estiverem muito corro\u00eddas ou desgastadas, ou se os espa\u00e7os entre as pe\u00e7as da junta estiverem preenchidos com materiais propensos a endurecer, as juntas de liga\u00e7\u00e3o s\u00e3o suscept\u00edveis de ficarem presas ou coladas.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YBM0dPPedoR94LxmAOQcOcmBnLb\" data-list=\"bullet\"><div>Quando a corrente se articula na roda dentada, as pe\u00e7as da junta podem soltar-se. No caso de uma articula\u00e7\u00e3o r\u00edgida, pode ocorrer uma fratura por tor\u00e7\u00e3o do pino ou uma rutura do orif\u00edcio da placa lateral. As articula\u00e7\u00f5es da corrente podem tamb\u00e9m prender-se ou colar-se devido ao desgaste, se a corrente funcionar para al\u00e9m dos seus limites de velocidade.<\/div><\/li><li class=\"ace-line ace-line old-record-id-M5oOds17AoStHXxEmexcH2vYn1c\" data-list=\"bullet\"><div>Pode ser utilizado um revestimento protetor para evitar a ferrugem e a potencial gripagem quando a corrente est\u00e1 sujeita a um funcionamento intermitente ou a longos per\u00edodos de inatividade.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-1339392\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-e287f45\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OCLPdDSEWogAdyxrHkJce9l0no7\" style=\"text-align: center\">Fadiga da placa lateral nos pontos de inclina\u00e7\u00e3o - Carregamento c\u00edclico<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-401cc1a\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3641 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/8.Side-Plate-Fatigue-at-Pitch-Points-Cyclic-Loading.jpg\" alt=\"\" width=\"729\" height=\"687\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/8.Side-Plate-Fatigue-at-Pitch-Points-Cyclic-Loading.jpg 729w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/8.Side-Plate-Fatigue-at-Pitch-Points-Cyclic-Loading-300x283.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/8.Side-Plate-Fatigue-at-Pitch-Points-Cyclic-Loading-13x12.jpg 13w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/8.Side-Plate-Fatigue-at-Pitch-Points-Cyclic-Loading-150x141.jpg 150w\" sizes=\"(max-width: 729px) 100vw, 729px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-a122046\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-d6fbc79\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-CHwCd7JMmoYjP7xUXOAcLIu8nHb\" data-list=\"bullet\"><div>A falha por fadiga da placa lateral come\u00e7a com fissuras muito pequenas nos bordos dos orif\u00edcios de passo. Os ciclos de carga repetidos propagam gradualmente as fissuras para o exterior at\u00e9 a chapa lateral ficar suficientemente enfraquecida para permitir a fratura completa.<\/div><\/li><li class=\"ace-line ace-line old-record-id-TBxkd9o4roxmzWx6GUhc8pwfnde\" data-list=\"bullet\"><div>A falha por fadiga \u00e9 caracterizada por uma s\u00e9rie de curvas conc\u00eantricas numa \u00e1rea com um aspeto de fratura fr\u00e1gil. Normalmente, \u00e9 necess\u00e1ria uma an\u00e1lise exaustiva de todas as condi\u00e7\u00f5es de funcionamento para encontrar uma solu\u00e7\u00e3o eficaz.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-40d44b2\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-c194b45\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RJ3RdA0JCo4FAwxGBB6c6Zhtnsb\" style=\"text-align: center\">Fadiga dos rolos - Corros\u00e3o, desgaste ou enchimento das juntas<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-4bba6fc\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3642 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/9.Roller-Fatigue-Corrosion-Wear-or-Filling-of-Joints.jpg\" alt=\"\" width=\"749\" height=\"560\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/9.Roller-Fatigue-Corrosion-Wear-or-Filling-of-Joints.jpg 749w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/9.Roller-Fatigue-Corrosion-Wear-or-Filling-of-Joints-300x224.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/9.Roller-Fatigue-Corrosion-Wear-or-Filling-of-Joints-16x12.jpg 16w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/9.Roller-Fatigue-Corrosion-Wear-or-Filling-of-Joints-150x112.jpg 150w\" sizes=\"(max-width: 749px) 100vw, 749px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-b18bec5\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-8098849\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-SXahdMSbhoBLoAxpfLxcsEVCnzL\" data-list=\"bullet\"><div>Ocorre algum impacto quando a roda dentada entra em contacto com os dentes da roda dentada. Se as condi\u00e7\u00f5es de funcionamento envolverem cargas pesadas e velocidades elevadas, o impacto do contacto com os dentes pode ser severo, gerando for\u00e7a suficiente para causar grande tens\u00e3o na superf\u00edcie do rolo. Os impactos repetidos podem provocar fissuras por fadiga. Eventualmente, o rolo pode fraturar devido \u00e0 fadiga do metal.<\/div><\/li><li class=\"ace-line ace-line old-record-id-D9m3dKjAuoTGX1xxhYsc5pkonmc\" data-list=\"bullet\"><div>A redu\u00e7\u00e3o da carga e da velocidade permite muitas vezes ultrapassar a fadiga dos rolos.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-fa49d62\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-2f45be8\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PnfYdJSk0omgMdxpGr9c8ipHnce\" style=\"text-align: center\">Rolos ou casquilhos esmagados devido a carga elevada<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-0087028\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3643 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/10.Crushed-Rollers-or-Bushings-Due-to-High-Load.jpg\" alt=\"\" width=\"567\" height=\"508\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/10.Crushed-Rollers-or-Bushings-Due-to-High-Load.jpg 567w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/10.Crushed-Rollers-or-Bushings-Due-to-High-Load-300x269.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/10.Crushed-Rollers-or-Bushings-Due-to-High-Load-13x12.jpg 13w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/10.Crushed-Rollers-or-Bushings-Due-to-High-Load-150x134.jpg 150w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-4d5b2a9\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-e342f7d\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-LF2Hd5ZTAoXk22xxA9LclWr5nuk\" data-list=\"bullet\"><div>Devido ao alongamento do passo, as correntes muito gastas podem deixar de assentar corretamente nas rodas dentadas. Alguns rolos (ou casquilhos) podem entrar em contacto com as pontas dos dentes da roda dentada, aplicando carga suficiente para esmagar os rolos ou casquilhos. Quando este tipo de contacto \u00e9 observado, a corrente deve ser substitu\u00edda para evitar danos excessivos na roda dentada.<\/div><\/li><li class=\"ace-line ace-line old-record-id-RnWWduo7hocpZaxj4GHcWsQun3f\" data-list=\"bullet\"><div>Uma sobrecarga grave provocada por um encravamento inesperado pode tamb\u00e9m esmagar os rolos ou os casquilhos. Nestes casos, s\u00e3o normalmente tomadas medidas corretivas para evitar que o incidente se repita.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-0e5ca3e\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-2fb80fb\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PJUvdL0iJorylFxrxtYcpLXYnIg\" style=\"text-align: center\">Desgaste do elo - Deslizamento entre a roda de tra\u00e7\u00e3o e a corrente<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-394199f\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3644 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain.jpg\" alt=\"\" width=\"1283\" height=\"784\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain.jpg 1283w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain-300x183.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain-1024x626.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain-768x469.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain-18x12.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain-1200x733.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/11.Link-Wear-Sliding-Between-Traction-Wheel-and-Chain-150x92.jpg 150w\" sizes=\"(max-width: 1283px) 100vw, 1283px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-4237bb4\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-f9c7f55\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-UOerdImOioj1Rxx8dvecfB7AnNd\" data-list=\"bullet\"><div>Para elevadores de baldes e outras aplica\u00e7\u00f5es, s\u00e3o frequentemente utilizadas rodas de tra\u00e7\u00e3o de baixo custo em vez de rodas dentadas. Uma tra\u00e7\u00e3o adequada entre a corrente e a roda motriz \u00e9 essencial para um funcionamento eficiente.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YwoGd6DFEoh5HExQ5pncS0aFndh\" data-list=\"bullet\"><div>A liga\u00e7\u00e3o apresentada na ilustra\u00e7\u00e3o \u00e9 utilizada num elevador de alcatruzes que manuseia abrasivos duros. O desgaste severo exibido \u00e9 causado pelo deslizamento durante os per\u00edodos de pico de carga. Neste caso, a tra\u00e7\u00e3o era insuficiente para acionar eficazmente a corrente.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-23b68aa\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-324bb64\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YGhRdSz3eoqcfixpWEKcHu2QnFb\" style=\"text-align: center\">Desgaste anormal da corrente, da roda dentada ou da via - Desalinhamento<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-56a3acc\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3645 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment.jpg\" alt=\"\" width=\"1320\" height=\"868\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment.jpg 1320w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment-300x197.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment-1024x673.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment-768x505.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment-18x12.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment-1200x789.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/12.Abnormal-Chain-Sprocket-or-Track-Wear-Misalignment-150x99.jpg 150w\" sizes=\"(max-width: 1320px) 100vw, 1320px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-d461e4f\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-946f511\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-VAwmd0SMVoNV1OxwbHNcAEz4nIb\" data-list=\"bullet\"><div>Padr\u00f5es de desgaste invulgares nas correntes indicam normalmente um desalinhamento, que pode levar a danos graves na corrente. Os tipos mais comuns de desalinhamento s\u00e3o:<\/div><ul class=\"list-bullet2\"><li class=\"ace-line ace-line old-record-id-RkZBddSNroyvO3xdyCpcnEMunTe\" data-list=\"bullet\"><div>Veios n\u00e3o paralelos<\/div><\/li><li class=\"ace-line ace-line old-record-id-KH4udPYiqoILaIxT1P8cgK3lnWh\" data-list=\"bullet\"><div>Rodas dentadas n\u00e3o alinhadas entre si<\/div><\/li><li class=\"ace-line ace-line old-record-id-JwFFdZV7Io7Tx3xcVo6cEFdAnXb\" data-list=\"bullet\"><div>Sec\u00e7\u00f5es da via transportadora n\u00e3o alinhadas.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-NvDSd4Dq7oR76kxGcXzc7hSDn5g\" data-list=\"bullet\"><div>Em casos de desalinhamento, um lado da corrente \u00e9 sobrecarregado e a corrente \u00e9 for\u00e7ada a torcer ou distorcer-se \u00e0 medida que se move de uma roda dentada para outra. O carregamento desigual da corrente pode levar ao desgaste dos pinos, falha da placa lateral ou desgaste r\u00e1pido.<\/div><\/li><li class=\"ace-line ace-line old-record-id-GnAvdR7W3oj3zyxJ8ZMcSFKCn6f\" data-list=\"bullet\"><div>A melhor medida preventiva contra danos na corrente causados por desalinhamento \u00e9 inspecionar regularmente o sistema de transmiss\u00e3o e de transporte.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-1c978bb\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-07f8975\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MjZNdTTgIozJ9MxqwLjc2b6mnsh\" style=\"text-align: center\">Alongamento da corrente (ou estiramento) - Sobrecarga de tra\u00e7\u00e3o<\/div><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-d8e968c\" colspan=\"1\" rowspan=\"1\">\n\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3646 aligncenter\" src=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload.jpg\" alt=\"\" width=\"1280\" height=\"842\" srcset=\"https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload.jpg 1280w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload-300x197.jpg 300w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload-1024x674.jpg 1024w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload-768x505.jpg 768w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload-18x12.jpg 18w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload-1200x789.jpg 1200w, https:\/\/www.coomcool.com\/wp-content\/uploads\/2024\/09\/13.Chain-Elongation-or-Stretching-Tensile-Overload-150x99.jpg 150w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/p>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<tr class=\"wd-table-row elementor-repeater-item-e6768ee\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"wd-table-cell elementor-repeater-item-2fad064\" colspan=\"2\" rowspan=\"1\">\n\t\t\t\t\t\t\t<div data-page-id=\"RZSQdltk7otQHixzZ8jcMV7unnf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-RbKQdi0JvoJhw2x6arecLPKznxh\" data-list=\"bullet\"><div>Este tipo de alongamento envolve deforma\u00e7\u00e3o pl\u00e1stica, em que o material da chapa lateral \u00e9 carregado para al\u00e9m do seu ponto de ced\u00eancia, mas n\u00e3o da sua resist\u00eancia m\u00e1xima. Como resultado, as placas laterais esticam permanentemente mas n\u00e3o fracturam. Se o alongamento do passo for severo, a corrente deixar\u00e1 de se engrenar corretamente com as rodas dentadas.<\/div><\/li><li class=\"ace-line ace-line old-record-id-M3DsdeUWHor8RXxJwgRczHnGnbh\" data-list=\"bullet\"><div>A sobrecarga de tra\u00e7\u00e3o que leva ao alongamento da corrente pode ocorrer quando o equipamento \u00e9 for\u00e7ado a funcionar para al\u00e9m da sua capacidade de conce\u00e7\u00e3o, devido a bloqueios inesperados ou por raz\u00f5es semelhantes. Normalmente, s\u00e3o tomadas medidas corretivas para evitar mais sobrecargas. Por vezes, podem ser utilizados dispositivos de absor\u00e7\u00e3o de choque para evitar a transmiss\u00e3o da sobrecarga \u00e0 corrente.<\/div><\/li><\/ul><\/div>\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t<\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-27f41e0 e-flex e-con-boxed e-con e-parent\" data-id=\"27f41e0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f6f57c2 elementor-widget__width-inherit elementor-widget elementor-widget-spacer\" data-id=\"f6f57c2\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 25-07-2024 *\/\n.elementor-column .elementor-spacer-inner{height:var(--spacer-size)}.e-con{--container-widget-width:100%}.e-con-inner>.elementor-widget-spacer,.e-con>.elementor-widget-spacer{width:var(--container-widget-width,var(--spacer-size));--align-self:var(--container-widget-align-self,initial);--flex-shrink:0}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container,.e-con>.elementor-widget-spacer>.elementor-widget-container{height:100%;width:100%}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer{height:100%}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner{height:var(--container-widget-height,var(--spacer-size))}.e-con-inner>.elementor-widget-spacer.elementor-widget-empty,.e-con>.elementor-widget-spacer.elementor-widget-empty{position:relative;min-height:22px;min-width:22px}.e-con-inner>.elementor-widget-spacer.elementor-widget-empty 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extremas.<\/p>","protected":false},"author":1,"featured_media":3650,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.7 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chain Failure Analysis and Prevention | Professional Chain Fault Insights<\/title>\n<meta name=\"description\" content=\"In-depth analysis of common chain failures, offering effective prevention to extend chain life.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.coomcool.com\/pt\/analysis-of-common-causes-of-chain-failure\/\" \/>\n<meta property=\"og:locale\" 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