{"id":502,"date":"2025-06-17T08:21:41","date_gmt":"2025-06-17T08:21:41","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=502"},"modified":"2025-06-17T08:41:48","modified_gmt":"2025-06-17T08:41:48","slug":"iso-15359","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/pt\/iso-15359","title":{"rendered":"ISO 15359"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"502\" class=\"elementor elementor-502\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e87c6b2 e-flex e-con-boxed e-con e-parent\" data-id=\"e87c6b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d087c52 e-con-full e-flex e-con e-child\" data-id=\"d087c52\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f31fd elementor-invisible elementor-widget elementor-widget-image\" data-id=\"d9f31fd\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359.webp\" class=\"attachment-large size-large wp-image-505\" alt=\"ISO 15359\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-300x100.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-18x6.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e3633c elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"0e3633c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Papel e cart\u00e3o - Determina\u00e7\u00e3o dos coeficientes de atrito est\u00e1tico e cin\u00e9tico - M\u00e9todo do plano horizontal<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a73bac6 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"a73bac6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"402\" data-end=\"894\">Em sectores como <strong data-start=\"424\" data-end=\"472\">fabrico de embalagens, impress\u00e3o e papel<\/strong>Para a empresa, \u00e9 fundamental compreender como os materiais interagem atrav\u00e9s do contacto com a superf\u00edcie. A fric\u00e7\u00e3o desempenha um papel central na forma como o papel se comporta durante o processamento, o transporte ou a utiliza\u00e7\u00e3o final. \u00c9 a\u00ed que <strong data-start=\"654\" data-end=\"667\">ISO 15359<\/strong> torna-se essencial. Uma vez que a norma internacional para determinar a <strong data-start=\"737\" data-end=\"784\">coeficientes de atrito est\u00e1tico e cin\u00e9tico<\/strong> Para papel e cart\u00e3o, a ISO 15359 ajuda a garantir a consist\u00eancia do produto, a efici\u00eancia operacional e o controlo de qualidade.<\/p>\t\t\t\t\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=\"elementor-element elementor-element-0364755 e-flex e-con-boxed e-con e-parent\" data-id=\"0364755\" 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-f673fbc elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"f673fbc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vis\u00e3o geral da ISO 15359: O que ela regulamenta e por que \u00e9 importante<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-156f03e elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"156f03e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"963\" data-end=\"1092\"><strong data-start=\"963\" data-end=\"976\">ISO 15359<\/strong> especifica um m\u00e9todo de plano horizontal para testar as propriedades de fric\u00e7\u00e3o das superf\u00edcies de papel e cart\u00e3o. Prev\u00ea:<\/p><ul><li data-start=\"1096\" data-end=\"1200\">Um m\u00e9todo para determinar o <strong data-start=\"1122\" data-end=\"1161\">coeficiente de atrito est\u00e1tico (\u03bc\u209b)<\/strong> - a for\u00e7a necess\u00e1ria para iniciar o deslizamento.<\/li><li data-start=\"1203\" data-end=\"1311\">Um m\u00e9todo para determinar o <strong data-start=\"1229\" data-end=\"1269\">coeficiente de atrito cin\u00e9tico (\u03bc\u2096)<\/strong> - a for\u00e7a necess\u00e1ria para manter o deslizamento.<\/li><\/ul><p data-start=\"1313\" data-end=\"1422\">Estes valores s\u00e3o essenciais para avaliar o comportamento da superf\u00edcie durante os processos de convers\u00e3o, empilhamento ou alimenta\u00e7\u00e3o.<\/p><p data-start=\"1424\" data-end=\"1578\">Para as ind\u00fastrias que dependem de papel e cart\u00e3o, os testes em conformidade com a norma ISO 15359 ajudam a evitar problemas como encravamentos de papel, empilhamento inconsistente ou defeitos de embalagem.<\/p>\t\t\t\t\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=\"elementor-element elementor-element-9d958da e-flex e-con-boxed e-con e-parent\" data-id=\"9d958da\" 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-5055911 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5055911\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Compreender o coeficiente de atrito do papel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-127bbd4 e-con-full e-flex e-con e-child\" data-id=\"127bbd4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3653dd8 elementor-widget elementor-widget-text-editor\" data-id=\"3653dd8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1641\" data-end=\"1801\">O <strong data-start=\"1645\" data-end=\"1681\">coeficiente de atrito do papel<\/strong> \u00e9 uma propriedade do material que quantifica a facilidade com que uma superf\u00edcie de papel desliza sobre outra superf\u00edcie. Dois tipos s\u00e3o importantes:<\/p><ul data-start=\"1803\" data-end=\"1960\"><li data-start=\"1803\" data-end=\"1877\"><p data-start=\"1805\" data-end=\"1877\"><strong data-start=\"1805\" data-end=\"1845\">Coeficiente de atrito est\u00e1tico (\u03bc\u209b):<\/strong> Resist\u00eancia ao movimento inicial.<\/p><\/li><li data-start=\"1878\" data-end=\"1960\"><p data-start=\"1880\" data-end=\"1960\"><strong data-start=\"1880\" data-end=\"1921\">Coeficiente cin\u00e9tico de fric\u00e7\u00e3o (\u03bc\u2096):<\/strong> Resist\u00eancia durante o movimento cont\u00ednuo.<\/p><\/li><\/ul><p data-start=\"1962\" data-end=\"2162\">A textura da superf\u00edcie do papel, o revestimento, a orienta\u00e7\u00e3o das fibras e o teor de humidade influenciam estes valores. Por conseguinte, uma medi\u00e7\u00e3o consistente \u00e9 fundamental para a avalia\u00e7\u00e3o do desempenho e a compara\u00e7\u00e3o de fornecedores.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aee3b6e elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"aee3b6e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.coefficientfriction.com\/pt\/coefficient-of-friction-testing-equipment\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"569\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-Coefficient-of-Friction-of-Paper-1024x728.webp\" class=\"attachment-large size-large wp-image-504\" alt=\"ISO 15359 Coeficiente de fric\u00e7\u00e3o do papel\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-Coefficient-of-Friction-of-Paper-1024x728.webp 1024w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-Coefficient-of-Friction-of-Paper-300x213.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-Coefficient-of-Friction-of-Paper-768x546.webp 768w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-Coefficient-of-Friction-of-Paper-1536x1092.webp 1536w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-Coefficient-of-Friction-of-Paper-2048x1456.webp 2048w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/06\/ISO-15359-Coefficient-of-Friction-of-Paper-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\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=\"elementor-element elementor-element-3ba2dc8 e-flex e-con-boxed e-con e-parent\" data-id=\"3ba2dc8\" 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-1203624 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"1203624\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Escolher o dispositivo de medi\u00e7\u00e3o do coeficiente de atrito correto<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bddf367 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"bddf367\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2236\" data-end=\"2354\">Para obter resultados exactos, um <a href=\"https:\/\/www.coefficientfriction.com\/pt\/coefficient-of-friction-testing-equipment\/\"><strong data-start=\"2260\" data-end=\"2306\">dispositivo de medi\u00e7\u00e3o do coeficiente de atrito<\/strong><\/a> devem cumprir os requisitos da norma ISO 15359 relativos aos aparelhos:<\/p><ul><li data-start=\"2358\" data-end=\"2423\">A <strong data-start=\"2360\" data-end=\"2385\">plano de ensaio horizontal<\/strong> feito de um material incompress\u00edvel.<\/li><li data-start=\"2426\" data-end=\"2529\">A <strong data-start=\"2428\" data-end=\"2436\">tren\u00f3<\/strong> aplicando 2,2 kPa \u00b1 0,6 kPa de press\u00e3o normal com uma dimens\u00e3o fixa (cerca de 60 mm \u00d7 60 mm).<\/li><li data-start=\"2532\" data-end=\"2601\">A <strong data-start=\"2534\" data-end=\"2547\">c\u00e9lula de carga<\/strong> com uma precis\u00e3o de \u00b12% para captar as for\u00e7as m\u00e1ximas e m\u00e9dias.<\/li><li data-start=\"2604\" data-end=\"2674\"><strong data-start=\"2604\" data-end=\"2624\">Mecanismos de acionamento<\/strong> que pode controlar o tempo de rampa entre 0,5 s e 5 s.<\/li><li data-start=\"2677\" data-end=\"2760\"><strong data-start=\"2677\" data-end=\"2701\">Ferramentas de registo de dados<\/strong> para captar eventos transit\u00f3rios como o pico de fric\u00e7\u00e3o est\u00e1tica.<\/li><\/ul><p data-start=\"2762\" data-end=\"3222\">Instrumentos celulares\". <strong data-start=\"2780\" data-end=\"2821\">COF-01 Medidor do coeficiente de atrito<\/strong> \u00e9 ideal para testes em conformidade com a norma ISO 15359. Com visualiza\u00e7\u00e3o de dados em tempo real, c\u00e1lculo autom\u00e1tico de resultados e design mec\u00e2nico preciso, o COF-01 garante testes fi\u00e1veis para <strong data-start=\"3008\" data-end=\"3055\">coeficientes de atrito est\u00e1tico e cin\u00e9tico<\/strong>. O dispositivo suporta v\u00e1rias normas, incluindo <strong data-start=\"3107\" data-end=\"3134\">ISO 8295 e ASTM D1894<\/strong>e oferece <strong data-start=\"3147\" data-end=\"3181\">op\u00e7\u00f5es de configura\u00e7\u00e3o flex\u00edveis<\/strong> para corresponder a v\u00e1rios tipos e formatos de papel.<\/p>\t\t\t\t\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=\"elementor-element elementor-element-96b88c3 e-flex e-con-boxed e-con e-parent\" data-id=\"96b88c3\" 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-9ae25c6 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"9ae25c6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Procedimento de ensaio de acordo com a norma ISO 15359<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98c5281 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"98c5281\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Segue-se uma vers\u00e3o simplificada de como efetuar o ensaio ao abrigo da norma ISO 15359:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c1e65fc e-con-full e-flex e-con e-child\" data-id=\"c1e65fc\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e79b997 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"e79b997\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol><li data-start=\"3351\" data-end=\"3477\"><strong data-start=\"3351\" data-end=\"3371\">Preparar amostras:<\/strong> Colocar uma amostra de papel no tren\u00f3 e outra na mesa. As superf\u00edcies a testar devem estar viradas uma para a outra.<\/li><li data-start=\"3481\" data-end=\"3568\"><strong data-start=\"3481\" data-end=\"3501\">Orienta\u00e7\u00e3o do conjunto:<\/strong> Alinhar as amostras na dire\u00e7\u00e3o da m\u00e1quina (MD\/MD ou CD\/CD), conforme necess\u00e1rio.<\/li><li data-start=\"3572\" data-end=\"3658\"><strong data-start=\"3572\" data-end=\"3591\">Baixar o tren\u00f3:<\/strong> Utilizar um elevador controlado para evitar deslizar antes do in\u00edcio do teste.<\/li><li data-start=\"3662\" data-end=\"3681\"><strong data-start=\"3662\" data-end=\"3681\">Iniciar o teste:<\/strong><ul><li data-start=\"3687\" data-end=\"3770\">Aplicar uma for\u00e7a horizontal crescente at\u00e9 ocorrer o deslizamento inicial - registar <strong data-start=\"3762\" data-end=\"3769\">F\u209b\u2081<\/strong>.<\/li><li data-start=\"3776\" data-end=\"3844\">Continuar o deslizamento controlado para determinar a <strong data-start=\"3821\" data-end=\"3843\">for\u00e7a cin\u00e9tica (F\u2096)<\/strong>.<\/li><\/ul><\/li><li data-start=\"3848\" data-end=\"3944\"><strong data-start=\"3848\" data-end=\"3873\">Repetir o procedimento:<\/strong> Realizar v\u00e1rios ensaios (pelo menos seis) para garantir a fiabilidade estat\u00edstica.<\/li><li data-start=\"3948\" data-end=\"3970\"><strong data-start=\"3948\" data-end=\"3970\">Calcular resultados:<\/strong><\/li><\/ol><ul><li style=\"list-style-type: none;\"><ul><li data-start=\"3976\" data-end=\"3997\">\u03bc\u209b = F\u209b \/ Carga normal<\/li><li data-start=\"4003\" data-end=\"4024\">\u03bc\u2096 = F\u2096 \/ Carga normal<\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98415b7 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-video\" data-id=\"98415b7\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/NUgXENOz8J0&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;play_on_mobile&quot;:&quot;yes&quot;,&quot;mute&quot;:&quot;yes&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;_animation&quot;:&quot;fadeInRight&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4a8125 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"f4a8125\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Assegurar a correta <strong data-start=\"4040\" data-end=\"4057\">orienta\u00e7\u00e3o do tren\u00f3<\/strong> e <strong data-start=\"4062\" data-end=\"4083\">materiais de suporte<\/strong> (como o neopreno) para manter uma press\u00e3o de contacto uniforme durante o ensaio.<\/p>\t\t\t\t\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=\"elementor-element elementor-element-f7106d9 e-flex e-con-boxed e-con e-parent\" data-id=\"f7106d9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-694940d e-con-full e-flex e-con e-child\" data-id=\"694940d\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8ea1c6c e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"8ea1c6c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f6ee6d5 elementor-widget elementor-widget-heading\" data-id=\"f6ee6d5\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Melhores Pr\u00e1ticas para Ensaios de Coeficiente de Fric\u00e7\u00e3o ISO 15359<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-663e3cc elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"663e3cc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-start=\"4230\" data-end=\"4332\"><strong data-start=\"4230\" data-end=\"4257\">Controlar o ambiente<\/strong>: A temperatura e a humidade podem afetar significativamente o atrito da superf\u00edcie do papel.<\/li><li data-start=\"4335\" data-end=\"4439\"><strong data-start=\"4335\" data-end=\"4368\">Utilizar materiais de suporte uniformes<\/strong>: Um apoio inconsistente leva a uma press\u00e3o n\u00e3o fi\u00e1vel e a um desvio do ensaio.<\/li><li data-start=\"4442\" data-end=\"4544\"><strong data-start=\"4442\" data-end=\"4461\">Verificar o tempo de rampa<\/strong>: Deve situar-se entre 0,5 e 5 segundos - os resultados fora deste intervalo s\u00e3o inv\u00e1lidos.<\/li><li data-start=\"4547\" data-end=\"4631\"><strong data-start=\"4547\" data-end=\"4574\">Evitar o movimento stick-slip<\/strong>: Se observado, os valores de atrito cin\u00e9tico tornam-se pouco fi\u00e1veis.<\/li><li data-start=\"4634\" data-end=\"4747\"><strong data-start=\"4634\" data-end=\"4672\">Calibrar regularmente o seu equipamento<\/strong>: Para garantir a conformidade com o requisito de precis\u00e3o da c\u00e9lula de carga \u00b12% da norma ISO 15359.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b0586e5 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"b0586e5\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f9046cc e-con-full e-flex e-con e-child\" data-id=\"f9046cc\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4f0b8e elementor-widget elementor-widget-heading\" data-id=\"c4f0b8e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Por que escolher nosso COF-01 para testes ISO 15359<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2186d6f elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"2186d6f\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4817\" data-end=\"4935\">Instrumentos celulares\". <strong data-start=\"4835\" data-end=\"4876\">COF-01 <a href=\"https:\/\/www.coefficientfriction.com\/pt\/coefficient-of-friction-testing-equipment\/\">Verificador do coeficiente de atrito<\/a><\/strong> foi concebido para testes de fric\u00e7\u00e3o precisos e consistentes:<\/p><ul data-start=\"4937\" data-end=\"5222\"><li data-start=\"4937\" data-end=\"4987\"><p data-start=\"4939\" data-end=\"4987\"><strong data-start=\"4939\" data-end=\"4962\">Interface PLC + HMI<\/strong> para uma utiliza\u00e7\u00e3o intuitiva.<\/p><\/li><li data-start=\"4988\" data-end=\"5065\"><p data-start=\"4990\" data-end=\"5065\"><strong data-start=\"4990\" data-end=\"5016\">Sistema de acionamento de precis\u00e3o<\/strong> assegura um controlo preciso do tempo de rampa e da velocidade.<\/p><\/li><li data-start=\"5066\" data-end=\"5154\"><p data-start=\"5068\" data-end=\"5154\"><strong data-start=\"5068\" data-end=\"5088\">Impressora incorporada<\/strong> e <strong data-start=\"5093\" data-end=\"5114\">software opcional<\/strong> simplificar a recolha de dados e a elabora\u00e7\u00e3o de relat\u00f3rios.<\/p><\/li><li data-start=\"5155\" data-end=\"5222\"><p data-start=\"5157\" data-end=\"5222\">Suporta totalmente os procedimentos de ensaio e as normas de aparelhos ISO 15359.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\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=\"elementor-element elementor-element-6d2c64c e-flex e-con-boxed e-con e-parent\" data-id=\"6d2c64c\" 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-c394047 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c394047\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b484e06 elementor-invisible elementor-widget elementor-widget-n-accordion\" data-id=\"b484e06\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;default_state&quot;:&quot;expanded&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00e3o. Abrir liga\u00e7\u00f5es com Enter ou Espa\u00e7o, fechar com Escape e navegar com Setas\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1890\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1890\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. Qual \u00e9 a diferen\u00e7a entre o coeficiente de atrito est\u00e1tico e cin\u00e9tico? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1890\" class=\"elementor-element elementor-element-4dda86b e-con-full e-flex e-con e-child\" data-id=\"4dda86b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b1ee56f elementor-widget elementor-widget-text-editor\" data-id=\"b1ee56f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O coeficiente est\u00e1tico (\u03bc\u209b) mede a resist\u00eancia ao in\u00edcio do movimento, enquanto o coeficiente cin\u00e9tico (\u03bc\u2096) mede a resist\u00eancia durante o movimento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1891\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1891\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. Porque \u00e9 que a ISO 15359 \u00e9 importante para os ensaios de papel? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1891\" class=\"elementor-element elementor-element-4213cd7 e-con-full e-flex e-con e-child\" data-id=\"4213cd7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5cb0ea elementor-widget elementor-widget-text-editor\" data-id=\"a5cb0ea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Fornece um m\u00e9todo consistente para avaliar a forma como as superf\u00edcies do papel interagem, o que \u00e9 fundamental para as aplica\u00e7\u00f5es de processamento e utiliza\u00e7\u00e3o final.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1892\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1892\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. Quantos testes s\u00e3o exigidos pela ISO 15359? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1892\" class=\"elementor-element elementor-element-8cbaf70 e-con-full e-flex e-con e-child\" data-id=\"8cbaf70\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed707d2 elementor-widget elementor-widget-text-editor\" data-id=\"ed707d2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>S\u00e3o necess\u00e1rios pelo menos seis resultados de testes v\u00e1lidos para garantir a fiabilidade estat\u00edstica.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1893\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1893\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. Que tipo de papel pode ser testado utilizando a norma ISO 15359? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1893\" class=\"elementor-element elementor-element-01f62b9 e-flex e-con-boxed e-con e-child\" data-id=\"01f62b9\" 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-f8e70d7 elementor-widget elementor-widget-text-editor\" data-id=\"f8e70d7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Todos os tipos de papel e cart\u00e3o podem ser testados, independentemente do revestimento ou da espessura.<\/p>\t\t\t\t\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\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1894\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1894\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. Que instrumento \u00e9 recomendado para os ensaios ISO 15359? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1894\" class=\"elementor-element elementor-element-0dd2c60 e-flex e-con-boxed e-con e-child\" data-id=\"0dd2c60\" 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-5c7d500 elementor-widget elementor-widget-text-editor\" data-id=\"5c7d500\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O COF-01 da Cell Instruments est\u00e1 totalmente em conformidade com a norma ISO 15359 e foi concebido para testes de fric\u00e7\u00e3o precisos e automatizados de papel e cart\u00e3o.<\/p>\t\t\t\t\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\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Papel e cart\u00e3o - Determina\u00e7\u00e3o dos coeficientes de atrito est\u00e1tico e cin\u00e9tico - M\u00e9todo do plano horizontal Em ind\u00fastrias como a embalagem, a impress\u00e3o e o fabrico de papel, \u00e9 fundamental compreender a forma como os materiais interagem atrav\u00e9s do contacto com a superf\u00edcie. O atrito desempenha um papel central na forma como o papel se comporta durante o processamento, o transporte ou a utiliza\u00e7\u00e3o final. \u00c9 aqui que a ISO 15359 se torna essencial. [...]<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-502","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages\/502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/comments?post=502"}],"version-history":[{"count":4,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages\/502\/revisions"}],"predecessor-version":[{"id":508,"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/pages\/502\/revisions\/508"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/pt\/wp-json\/wp\/v2\/media?parent=502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}