{"id":2211,"date":"2023-05-15T10:14:11","date_gmt":"2023-05-15T02:14:11","guid":{"rendered":"https:\/\/www.qualitester.com\/?p=2211"},"modified":"2024-04-28T13:33:04","modified_gmt":"2024-04-28T05:33:04","slug":"test-procedure-of-friction-coefficient-tester","status":"publish","type":"post","link":"https:\/\/www.qualitester.com\/pt\/test-procedure-of-friction-coefficient-tester\/","title":{"rendered":"Teste de coeficiente de atrito | Instrumentos de teste"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2211\" class=\"elementor elementor-2211\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bbb06eb e-flex e-con-boxed e-con e-parent\" data-id=\"bbb06eb\" 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-0e9bee0 elementor-widget elementor-widget-text-editor\" data-id=\"0e9bee0\" 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<p><strong>Procedimento de teste do medidor de coeficiente de atrito<\/strong><\/p>\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-c4db2cf e-flex e-con-boxed e-con e-parent\" data-id=\"c4db2cf\" 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-697029a elementor-widget elementor-widget-text-editor\" data-id=\"697029a\" 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<p>O medidor de coeficiente de atrito \u00e9 usado para medir o coeficiente de atrito est\u00e1tico e o coeficiente de atrito din\u00e2mico quando materiais como filmes e folhas de pl\u00e1stico, papel, etc. deslizam. Ao medir a escorregadia do material, \u00e9 poss\u00edvel controlar e ajustar os indicadores do processo de qualidade de produ\u00e7\u00e3o do material para atender aos requisitos de uso do produto. O medidor de coeficiente de atrito tamb\u00e9m pode ser usado para medir o coeficiente de atrito est\u00e1tico de borracha, papel\u00e3o, sacos de tecido, estilos de tecido, correias compostas de material met\u00e1lico para cabos de comunica\u00e7\u00e3o, correias transportadoras, madeira, revestimentos, pastilhas de freio, limpadores, materiais de cal\u00e7ados, pneus e outros materiais ao deslizar e coeficiente de atrito cin\u00e9tico.<\/p>\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-7df4dcd e-flex e-con-boxed e-con e-parent\" data-id=\"7df4dcd\" 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-8b096c5 elementor-widget elementor-widget-text-editor\" data-id=\"8b096c5\" 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<p>O seguinte \u00e9 baseado em \u201cGB\/T 10006-2021 Determina\u00e7\u00e3o do Coeficiente de Atrito de Filmes e Folhas de Pl\u00e1stico\u201d.<\/p>\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-9974b79 e-flex e-con-boxed e-con e-parent\" data-id=\"9974b79\" 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-f1f6fa9 elementor-widget elementor-widget-text-editor\" data-id=\"f1f6fa9\" 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<p><strong>Princ\u00edpio do teste<\/strong><\/p>\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-a54a5ee e-flex e-con-boxed e-con e-parent\" data-id=\"a54a5ee\" 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-dfc0098 elementor-widget elementor-widget-text-editor\" data-id=\"dfc0098\" 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<p>O princ\u00edpio do teste \u00e9 colocar as duas superf\u00edcies de teste juntas, sob uma certa press\u00e3o de contato, fazer as duas superf\u00edcies se moverem em rela\u00e7\u00e3o uma \u00e0 outra e registrar a for\u00e7a necess\u00e1ria. O valor do coeficiente de atrito \u00e9 obtido dividindo o valor da for\u00e7a testada pela gravidade do controle deslizante. Termos e defini\u00e7\u00f5es Atrito A a\u00e7\u00e3o de impedir o deslizamento de duas superf\u00edcies em contato. Dividido em atrito cin\u00e9tico e atrito est\u00e1tico. atrito est\u00e1tico atrito est\u00e1tico O momento em que o deslizamento come\u00e7a, o atrito &quot;cr\u00edtico&quot; que precisa ser superado. atrito din\u00e2mico O atrito que existe durante o deslizamento a uma determinada velocidade. for\u00e7a de atrito A for\u00e7a necess\u00e1ria para superar o atrito. \u00c9 dividido em for\u00e7a de atrito est\u00e1tico FS e for\u00e7a de atrito din\u00e2mico FD for\u00e7a normal for\u00e7a normal \u00e9 a for\u00e7a aplicada perpendicularmente \u00e0s duas superf\u00edcies de contato. FP coeficiente de atrito coeficiente de atrito raz\u00e3o de atrito e for\u00e7a normal. Coeficiente de atrito est\u00e1tico coeficiente de atrito est\u00e1tico\u03bcs=atrito est\u00e1tico FS\/for\u00e7a normal FP coeficiente de atrito din\u00e2mico \u03bcD=atrito din\u00e2mico FD\/for\u00e7a normal FP Nota 1: O coeficiente de atrito do filme est\u00e1 geralmente entre 0,2-1 Idealmente, o coeficiente \u00e9 uma propriedade inerente independente do instrumento de teste e das condi\u00e7\u00f5es de teste. Como o filme geralmente n\u00e3o \u00e9 ideal, GB\/T 10006-2021 especifica todos os par\u00e2metros de teste.<\/p>\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-5a54ea9 e-flex e-con-boxed e-con e-parent\" data-id=\"5a54ea9\" 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-fcc27cf elementor-widget elementor-widget-text-editor\" data-id=\"fcc27cf\" 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<p><strong>Equipamento de teste <\/strong><\/p>\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-d3c0ede e-flex e-con-boxed e-con e-parent\" data-id=\"d3c0ede\" 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-aaba6e2 elementor-widget elementor-widget-text-editor\" data-id=\"aaba6e2\" 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<p>O dispositivo de teste consiste em uma bancada de teste horizontal, um deslizador, um sistema de medi\u00e7\u00e3o de for\u00e7a e um mecanismo de acionamento que move as duas superf\u00edcies de teste na bancada de teste horizontal em rela\u00e7\u00e3o uma \u00e0 outra. Tanto deslizadores quanto plataformas podem ser usados como pe\u00e7as m\u00f3veis.<\/p>\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-7b0c817 e-flex e-con-boxed e-con e-parent\" data-id=\"7b0c817\" 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-8f90d6e elementor-widget elementor-widget-text-editor\" data-id=\"8f90d6e\" 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<p><strong>Requisitos de equipamento<\/strong><\/p>\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-3cbff06 e-flex e-con-boxed e-con e-parent\" data-id=\"3cbff06\" 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-13bec42 elementor-widget elementor-widget-text-editor\" data-id=\"13bec42\" 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<p>A superf\u00edcie da bancada de teste horizontal deve ser lisa e feita de material met\u00e1lico n\u00e3o magn\u00e9tico.<\/p><p>A for\u00e7a normal \u00e9 gerada pelo controle deslizante. O controle deslizante deve ter uma superf\u00edcie inferior quadrada com uma \u00e1rea de 40 cm\u00b2 (comprimento lateral de 63 mm). Para fazer com que a press\u00e3o seja distribu\u00edda uniformemente, a parte inferior do controle deslizante deve ser coberta com materiais el\u00e1sticos, como feltro. O material el\u00e1stico n\u00e3o deve causar \u201crelevo\u201d da amostra. A massa total do controle deslizante deve ser de 200 g \u00b1 2 g para produzir uma for\u00e7a normal de 1,96 N \u00b1 0,2 N.<\/p><p>A estrutura de acionamento n\u00e3o deve ter vibra\u00e7\u00e3o, de modo que as duas superf\u00edcies de teste se movam relativamente a uma velocidade de 100 mm\/min\u00b110 mm\/min. Quando houver necessidades especiais, a velocidade pode ser definida para 500 mm\/min\u00b110 mm\/min.<\/p><p>O erro total de todo o sistema de medi\u00e7\u00e3o de for\u00e7a, incluindo o registrador, n\u00e3o deve exceder 2%, o tempo de convers\u00e3o n\u00e3o deve exceder 0,5 s e a dire\u00e7\u00e3o de tra\u00e7\u00e3o deve ser mantida paralela ao plano de atrito e em linha reta.<\/p><p>Para a medi\u00e7\u00e3o do atrito est\u00e1tico, o coeficiente el\u00e1stico do sistema de medi\u00e7\u00e3o de for\u00e7a deve ser ajustado para 2N\/cm \u00b1 1N\/cm por uma mola apropriada. Ao medir o atrito cin\u00e9tico na situa\u00e7\u00e3o de deslizamento-ader\u00eancia, a mola \u00e9 substitu\u00edda por uma conex\u00e3o r\u00edgida.<\/p>\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-4bdc9c6 e-flex e-con-boxed e-con e-parent\" data-id=\"4bdc9c6\" 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-7e2c863 elementor-widget elementor-widget-image\" data-id=\"7e2c863\" 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<a href=\"https:\/\/www.qualitester.com\/pt\/produto\/cof-01-coefficient-of-friction-tester\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1.jpg\" class=\"attachment-large size-large wp-image-1472\" alt=\"\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1.jpg 750w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-300x300.jpg 300w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-100x100.jpg 100w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-600x600.jpg 600w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/Coefficient-of-Friction-Tester-COF-01-1-150x150.jpg 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc721f4 e-flex e-con-boxed e-con e-parent\" data-id=\"bc721f4\" 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-6edcf5d elementor-widget elementor-widget-text-editor\" data-id=\"6edcf5d\" 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<h5><a href=\"https:\/\/www.qualitester.com\/pt\/produto\/cof-01-coefficient-of-friction-tester\/\">COF-01 Testador de coeficiente de atrito<\/a><\/h5>\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-2484e2e e-flex e-con-boxed e-con e-parent\" data-id=\"2484e2e\" 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-41b065d elementor-widget elementor-widget-wpforms\" data-id=\"41b065d\" data-element_type=\"widget\" data-widget_type=\"wpforms.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"wpforms-container\" 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Uma medi\u00e7\u00e3o essencial neste reino \u00e9 o coeficiente de atrito, um fator-chave que influencia a escorregadia do material. Aplica\u00e7\u00e3o de teste do testador de coeficiente de atrito O medidor de coeficiente de atrito \u00e9 usado para medir \u2026<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/pt\/test-procedure-of-friction-coefficient-tester\/\"> <span class=\"screen-reader-text\">Teste de coeficiente de atrito | Instrumentos de teste<\/span> Ler mais \"<\/a><\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[1037,338,339],"class_list":["post-2211","post","type-post","status-publish","format-standard","hentry","category-test-method","tag-cof-tester","tag-friction-coefficient","tag-test-procedure"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/posts\/2211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/comments?post=2211"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/posts\/2211\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/media?parent=2211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/categories?post=2211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualitester.com\/pt\/wp-json\/wp\/v2\/tags?post=2211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}