{"id":7090,"date":"2025-07-30T10:28:55","date_gmt":"2025-07-30T02:28:55","guid":{"rendered":"https:\/\/www.packqc.com\/?p=7090"},"modified":"2025-09-12T08:34:04","modified_gmt":"2025-09-12T00:34:04","slug":"bending-stiffness-test","status":"publish","type":"post","link":"https:\/\/www.packqc.com\/nl\/bending-stiffness-test\/","title":{"rendered":"ISO 5628 Gids met Inzichten in buigstijfheidstestmachine"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"7090\" class=\"elementor elementor-7090\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ea52c1c e-flex e-con-boxed e-con e-parent\" data-id=\"ea52c1c\" 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-4b7ffbd elementor-widget elementor-widget-heading\" data-id=\"4b7ffbd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ISO 5628 Gids met Inzichten in buigstijfheidstestmachine<\/h1>\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-f374322 e-flex e-con-boxed e-con e-parent\" data-id=\"f374322\" 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-43d0885 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"43d0885\" 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=\"522\" data-end=\"990\">De <strong data-start=\"526\" data-end=\"552\">buigstijfheidstest<\/strong> is een kritische evaluatiemethode voor materiaaleigenschappen die gebruikt wordt in verschillende industrie\u00ebn, waaronder verpakking, medische apparatuur, farmaceutica, textiel en de productie van karton. Deze test meet de buigweerstand van een materiaal en geeft inzicht in de stijfheid, flexibiliteit en structurele prestaties. <a href=\"https:\/\/www.iso.org\/standard\/76347.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong data-start=\"854\" data-end=\"871\">ISO 5628:2019<\/strong><\/a> schetst gestandaardiseerde principes voor het uitvoeren van dergelijke tests met behulp van tweepunts-, driepunts- of vierpuntsbuigmethoden.<\/p><p data-start=\"992\" data-end=\"1437\">Voor nauwkeurige resultaten moeten fabrikanten en kwaliteitscontroleurs de juiste procedures volgen, geschikte apparatuur gebruiken en begrijpen hoe variabelen zoals materiaaldikte, elasticiteitsmodulus en ondersteuningsomstandigheden de resultaten be\u00efnvloeden. Dit artikel leidt u door de juiste uitvoering van de buigstijfheidstest en beveelt betrouwbare instrumenten aan, zoals de <strong data-start=\"1384\" data-end=\"1436\">Cell Instruments WTD-01 buigstijfheidstester<\/strong>.<\/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-ced6aee elementor-widget elementor-widget-image\" data-id=\"ced6aee\" 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.packqc.com\/nl\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/WTD-01-Bending-Stiffness-Tester_\u526f\u672c_\u526f\u672c.webp\" class=\"attachment-large size-large wp-image-7124\" alt=\"\" srcset=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/WTD-01-Bending-Stiffness-Tester_\u526f\u672c_\u526f\u672c.webp 600w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/WTD-01-Bending-Stiffness-Tester_\u526f\u672c_\u526f\u672c-300x300.webp 300w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/WTD-01-Bending-Stiffness-Tester_\u526f\u672c_\u526f\u672c-100x100.webp 100w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/WTD-01-Bending-Stiffness-Tester_\u526f\u672c_\u526f\u672c-150x150.webp 150w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/WTD-01-Bending-Stiffness-Tester_\u526f\u672c_\u526f\u672c-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\">\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fcea402 e-flex e-con-boxed e-con e-parent\" data-id=\"fcea402\" 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-78240c3 elementor-widget elementor-widget-heading\" data-id=\"78240c3\" data-element_type=\"widget\" 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\">Overzicht van stijfheidstestmethoden gebaseerd op ISO 5628<\/h2>\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-acd9c29 e-flex e-con-boxed e-con e-parent\" data-id=\"acd9c29\" 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-6e7200a elementor-widget elementor-widget-text-editor\" data-id=\"6e7200a\" 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=\"1497\" data-end=\"1655\">De <strong data-start=\"1501\" data-end=\"1526\">stijfheidstestmethode<\/strong> beschreven in ISO 5628 is gebaseerd op de straaltheorie, waarbij de <strong data-start=\"1587\" data-end=\"1613\">buigstijfheid (Sb)<\/strong> van een homogeen monster wordt bepaald door:<\/p><p style=\"text-align: center;\" data-start=\"1497\" data-end=\"1655\"><strong style=\"font-size: 16px;\" data-start=\"1659\" data-end=\"1679\">Sb = (E \u00d7 I) \/ b<\/strong><\/p><p data-start=\"1681\" data-end=\"1689\">Waar:<\/p><ul><li data-start=\"1692\" data-end=\"1736\"><em data-start=\"1692\" data-end=\"1695\">E<\/em> de elasticiteitsmodulus van het materiaal<\/li><li data-start=\"1739\" data-end=\"1776\"><em data-start=\"1739\" data-end=\"1742\">I<\/em> het tweede traagheidsmoment is<\/li><li data-start=\"1779\" data-end=\"1813\"><em data-start=\"1779\" data-end=\"1782\">b<\/em> de breedte van het proefstuk<\/li><\/ul><p data-start=\"1815\" data-end=\"1896\">Volgens ISO 5628:2019 kan de stijfheid op drie manieren worden berekend:<\/p><ol><li data-start=\"1900\" data-end=\"1991\">Het meten van de maximale helling van de <strong data-start=\"1935\" data-end=\"1959\">kracht vs. doorbuiging<\/strong> of <strong data-start=\"1963\" data-end=\"1982\">kracht vs. hoek<\/strong> curve.<\/li><li data-start=\"1995\" data-end=\"2092\">Een vaste doorbuiging\/hoek toepassen en de bijbehorende kracht na een bepaalde tijd meten.<\/li><li data-start=\"2096\" data-end=\"2181\">Een constante kracht uitoefenen en de doorbuiging of hoek na een vaste periode registreren.<\/li><\/ol><p data-start=\"2183\" data-end=\"2309\">Elke methode moet worden uitgevoerd onder goed gedefinieerde omstandigheden, met <strong data-start=\"2248\" data-end=\"2264\">testfrequentie<\/strong> En <strong data-start=\"2269\" data-end=\"2291\">meettiming<\/strong> duidelijk gerapporteerd.<\/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-3a9974f e-flex e-con-boxed e-con e-parent\" data-id=\"3a9974f\" 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-345f0ba elementor-widget elementor-widget-heading\" data-id=\"345f0ba\" data-element_type=\"widget\" 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\">Apparatuur selecteren: Gebruik van een stijfheidstestmachine<\/h2>\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-079a5bd e-flex e-con-boxed e-con e-parent\" data-id=\"079a5bd\" 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-9afc859 elementor-widget elementor-widget-text-editor\" data-id=\"9afc859\" 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=\"2376\" data-end=\"2522\">Een geschikte <strong data-start=\"2396\" data-end=\"2425\">stijfheidstestmachine<\/strong> is essentieel voor nauwkeurige resultaten en naleving van ISO-normen. De belangrijkste specificaties zijn:<\/p><ul><li data-start=\"2526\" data-end=\"2572\">Instelbare buiglengte met \u00b11% precisie<\/li><li data-start=\"2575\" data-end=\"2661\">Mogelijkheid om op te nemen <strong data-start=\"2593\" data-end=\"2620\">kracht versus doorbuiging<\/strong> of <strong data-start=\"2624\" data-end=\"2659\">kracht versus hoekverdraaiing<\/strong><\/li><li data-start=\"2664\" data-end=\"2720\">Gevoeligheid binnen \u00b12,5% van het volledige meetbereik<\/li><li data-start=\"2723\" data-end=\"2781\">Stabiele ondersteunende aambeelden die testartefacten minimaliseren<\/li><\/ul><p data-start=\"2783\" data-end=\"3100\">De <strong data-start=\"2787\" data-end=\"2839\">Cell Instruments WTD-01 buigstijfheidstester<\/strong> voldoet volledig aan deze eisen. Het biedt geautomatiseerde, nauwkeurige gegevensverzameling en curveanalyse voor alle ISO 5628-goedgekeurde testconfiguraties. Het is een robuuste oplossing voor laboratoria die productprestaties willen garanderen door middel van betrouwbare stijfheidsgegevens.<\/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-4726e31 e-flex e-con-boxed e-con e-parent\" data-id=\"4726e31\" 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-fe9c91f elementor-widget elementor-widget-heading\" data-id=\"fe9c91f\" data-element_type=\"widget\" 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\">Monstervoorbereiding en testomstandigheden<\/h2>\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-f644a76 e-grid e-con-boxed e-con e-parent\" data-id=\"f644a76\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a51a5f4 e-con-full e-flex e-con e-child\" data-id=\"a51a5f4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b1aabd elementor-widget elementor-widget-heading\" data-id=\"3b1aabd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Steekproef 1<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a59d5b elementor-widget elementor-widget-text-editor\" data-id=\"8a59d5b\" 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>Voor partijanalysen de monsters selecteren aan de hand van <strong data-start=\"3218\" data-end=\"3229\">ISO 186<\/strong>. Zorg ervoor dat de testmonsters representatief zijn voor de partij om geldige conclusies te kunnen trekken.<\/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-b9bf964 elementor-widget elementor-widget-image\" data-id=\"b9bf964\" 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.packqc.com\/nl\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-1024x768.webp\" class=\"attachment-large size-large wp-image-7129\" alt=\"\" srcset=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-1024x768.webp 1024w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-scaled-600x450.webp 600w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-300x225.webp 300w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-768x576.webp 768w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-1536x1152.webp 1536w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-2048x1536.webp 2048w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161326_147_\u526f\u672c_\u526f\u672c-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\">\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<div class=\"elementor-element elementor-element-6140a88 e-con-full e-flex e-con e-child\" data-id=\"6140a88\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b0daa4a elementor-widget elementor-widget-heading\" data-id=\"b0daa4a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conditie 2<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c96ff83 elementor-widget elementor-widget-text-editor\" data-id=\"c96ff83\" 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>Monsters conditioneren volgens <strong data-start=\"3356\" data-end=\"3367\">ISO 187<\/strong> bij standaard temperatuur en vochtigheid. Bewaar de monsters gedurende het hele testproces in deze omgeving.<\/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-a65eaa1 elementor-widget elementor-widget-image\" data-id=\"a65eaa1\" 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.packqc.com\/nl\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-1024x768.webp\" class=\"attachment-large size-large wp-image-7130\" alt=\"Testmethode voor buigstijfheid\" srcset=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-1024x768.webp 1024w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-scaled-600x450.webp 600w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-300x225.webp 300w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-768x576.webp 768w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-1536x1152.webp 1536w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-2048x1536.webp 2048w, https:\/\/www.packqc.com\/wp-content\/uploads\/2025\/07\/DJI_20230420_161423_151_\u526f\u672c_\u526f\u672c-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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<div class=\"elementor-element elementor-element-0689448 e-con-full e-flex e-con e-child\" data-id=\"0689448\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01f90f1 elementor-widget elementor-widget-heading\" data-id=\"01f90f1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Voorbereiding teststuk 3<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b615f36 elementor-widget elementor-widget-text-editor\" data-id=\"b615f36\" 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<ul><li data-start=\"3510\" data-end=\"3549\">Knip teststukken uit onbeschadigde vellen<\/li><li data-start=\"3552\" data-end=\"3590\">Vermijd watermerken, kreukels of vouwen<\/li><li data-start=\"3593\" data-end=\"3636\">Zorg ervoor dat de lange randen evenwijdig zijn binnen \u00b11%<\/li><li data-start=\"3639\" data-end=\"3731\">Bereid minimaal 10 preparaten voor elke richting (machinerichting en dwarsrichting)<\/li><\/ul><p data-start=\"3733\" data-end=\"3925\">De definitie van de <strong data-start=\"3755\" data-end=\"3771\">\u201cbovenkant\u201d<\/strong> van het teststuk is kritisch, aangezien het buigen in beide richtingen (naar boven en naar beneden) moet worden uitgevoerd en de resultaten gemiddeld moeten worden om krommingsvertekening te elimineren.<\/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<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-670b26d e-flex e-con-boxed e-con e-parent\" data-id=\"670b26d\" 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-5bfcca0 elementor-widget elementor-widget-heading\" data-id=\"5bfcca0\" data-element_type=\"widget\" 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\">Testprocedure<\/h2>\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-f5559f9 e-flex e-con-boxed e-con e-parent\" data-id=\"f5559f9\" 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-d879eda elementor-widget__width-initial elementor-widget elementor-widget-video\" data-id=\"d879eda\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/yuaDfFkcMtA?si=LEu3ImiQ_PhYgt6C&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;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 class=\"elementor-element elementor-element-2cb4a1c elementor-widget elementor-widget-text-editor\" data-id=\"2cb4a1c\" 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=\"3954\" data-end=\"4205\">Voordat de <strong data-start=\"3976\" data-end=\"4002\">buigstijfheidstest<\/strong>, bepaal de dikte met <strong data-start=\"4030\" data-end=\"4041\">ISO 534<\/strong> (voor papier en karton) of <strong data-start=\"4067\" data-end=\"4079\">ISO 3034<\/strong> (voor golfkarton). Merk op dat bulkdikte en plaatdikte verschillende resultaten opleveren en dienovereenkomstig behandeld moeten worden.<\/p><ul><li data-start=\"4209\" data-end=\"4251\">Plaats het monster op de stijfheidstester<\/li><li data-start=\"4254\" data-end=\"4337\">Voer vijf tests uit met een buiging naar de bovenkant en vijf naar de onderkant<\/li><li data-start=\"4340\" data-end=\"4386\">Zet kracht vs. doorbuiging of kracht vs. hoek uit<\/li><li data-start=\"4389\" data-end=\"4451\">Gebruik het lineaire gedeelte van de curve voor stijfheidsevaluatie<\/li><li data-start=\"4454\" data-end=\"4525\">Bereken het gemiddelde van alle testresultaten en rapporteer met <strong data-start=\"4496\" data-end=\"4525\">drie significante cijfers<\/strong><\/li><\/ul><p data-start=\"4527\" data-end=\"4626\">Belangrijk: Zorg ervoor dat elk monster is zoals <strong data-start=\"4570\" data-end=\"4590\">zo plat mogelijk<\/strong> om fouten door voorkromming te voorkomen.<\/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-1f8f3e3 e-flex e-con-boxed e-con e-parent\" data-id=\"1f8f3e3\" 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-aa9bcee elementor-widget elementor-widget-heading\" data-id=\"aa9bcee\" data-element_type=\"widget\" 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\">Evaluatie en berekening<\/h2>\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-6f10460 e-flex e-con-boxed e-con e-parent\" data-id=\"6f10460\" 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-eee373f elementor-widget elementor-widget-text-editor\" data-id=\"eee373f\" 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=\"4664\" data-end=\"4702\">Resultaten kunnen worden berekend door:<\/p><ul><li data-start=\"4705\" data-end=\"4770\">Met behulp van de <strong data-start=\"4715\" data-end=\"4732\">lineair gebied<\/strong> van de kracht-afbuiging\/hoek-curve<\/li><li data-start=\"4773\" data-end=\"4847\">De <strong data-start=\"4786\" data-end=\"4821\">aanbevolen doorbuiging of hoek<\/strong> en het meten van de kracht<\/li><li data-start=\"4850\" data-end=\"4916\">De <strong data-start=\"4864\" data-end=\"4881\">maximale kracht<\/strong> en de bijbehorende doorbuiging<\/li><\/ul><p data-start=\"4918\" data-end=\"5082\">Kies de evaluatiemethode op basis van je testconfiguratie (tweepunts, driepunts of vierpunts) en zorg ervoor dat de gegevens worden gemiddeld over alle geldige testonderdelen.<\/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-b2d1a28 e-flex e-con-boxed e-con e-parent\" data-id=\"b2d1a28\" 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-55d8922 elementor-widget elementor-widget-heading\" data-id=\"55d8922\" data-element_type=\"widget\" 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\">Waarom kiezen voor Cell Instruments buigstijfheid testen<\/h2>\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-2f8cfb1 e-flex e-con-boxed e-con e-parent\" data-id=\"2f8cfb1\" 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-4de75da elementor-widget elementor-widget-text-editor\" data-id=\"4de75da\" 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=\"5158\" data-end=\"5291\">Voor fabrikanten en QC labs die effici\u00ebntie en ISO-naleving zoeken, is de <strong data-start=\"5231\" data-end=\"5283\"><a href=\"https:\/\/www.packqc.com\/nl\/\">Celinstrumenten<\/a> WTD-01 buigstijfheidstester<\/strong> aanbiedingen:<\/p><ul><li data-start=\"5295\" data-end=\"5345\">Volledige compatibiliteit met ISO 5628 testprocedures<\/li><li data-start=\"5348\" data-end=\"5392\">Zeer nauwkeurige en consistente gegevensuitvoer<\/li><li data-start=\"5395\" data-end=\"5427\">Mogelijkheid tot meerpunts testen<\/li><li data-start=\"5430\" data-end=\"5480\">Gebruiksvriendelijke interface voor vereenvoudigde bediening<\/li><li data-start=\"5483\" data-end=\"5585\">Geschikt voor een breed scala aan materialen, waaronder karton, flexibele verpakkingen en medische laminaten<\/li><\/ul><p data-start=\"5587\" data-end=\"5778\">Dit instrument is ideaal voor fabrikanten van verpakkingen, ontwikkelaars van medische apparatuur en laboratoria die materiaal testen en die het volgende nodig hebben <strong data-start=\"5703\" data-end=\"5738\">betrouwbare buigstijfheidstest<\/strong> resultaten onder ISO-gereguleerde omstandigheden.<\/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-12ec6bd e-flex e-con-boxed e-con e-parent\" data-id=\"12ec6bd\" 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-ca831cb elementor-widget elementor-widget-heading\" data-id=\"ca831cb\" data-element_type=\"widget\" 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\">Conclusie<\/h2>\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-eeae7d4 e-flex e-con-boxed e-con e-parent\" data-id=\"eeae7d4\" 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-15ae6ce elementor-widget elementor-widget-text-editor\" data-id=\"15ae6ce\" 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=\"5800\" data-end=\"6176\">Een uitvoeren <strong data-start=\"5812\" data-end=\"5838\">buigstijfheidstest<\/strong> in overeenstemming met <strong data-start=\"5858\" data-end=\"5875\">ISO 5628:2019<\/strong> vereist meer dan alleen het meten van kracht en doorbuiging-het vereist een doordachte monstervoorbereiding, nauwkeurige instrumentatie en zorgvuldige berekeningen. Een capabele <strong data-start=\"6044\" data-end=\"6073\">stijfheidstestmachine<\/strong>, zoals de <strong data-start=\"6084\" data-end=\"6111\">Cell Instruments WTD-01<\/strong>, garandeert betrouwbare resultaten en ondersteunt een strenge kwaliteitscontrole.<\/p><p data-start=\"6178\" data-end=\"6381\">Door zich te houden aan de methoden en principes die hier worden beschreven, kunnen professionals in de verpakkings-, medische, farmaceutische en aanverwante sectoren met vertrouwen de prestaties van materialen beoordelen en productnormen handhaven.<\/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-24c320b elementor-align-center elementor-widget elementor-widget-button\" data-id=\"24c320b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"mailto:packqc@celtec.cn\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-check-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm0 48c110.532 0 200 89.451 200 200 0 110.532-89.451 200-200 200-110.532 0-200-89.451-200-200 0-110.532 89.451-200 200-200m140.204 130.267l-22.536-22.718c-4.667-4.705-12.265-4.736-16.97-.068L215.346 303.697l-59.792-60.277c-4.667-4.705-12.265-4.736-16.97-.069l-22.719 22.536c-4.705 4.667-4.736 12.265-.068 16.971l90.781 91.516c4.667 4.705 12.265 4.736 16.97.068l172.589-171.204c4.704-4.668 4.734-12.266.067-16.971z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Neem contact met ons op<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<\/div>","protected":false},"excerpt":{"rendered":"<p>ISO 5628 Gids met Inzicht in buigstijfheidstestmachine De buigstijfheidstest is een kritische evaluatiemethode voor materiaaleigenschappen die wordt gebruikt in verschillende industrie\u00ebn, waaronder verpakkingsindustrie, medische hulpmiddelen, farmaceutische industrie, textiel en kartonproductie. Deze test meet de buigweerstand van een materiaal en geeft inzicht in de stijfheid, flexibiliteit en structurele prestaties. ISO 5628:2019 beschrijft gestandaardiseerde principes [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7090","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/posts\/7090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/comments?post=7090"}],"version-history":[{"count":0,"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/posts\/7090\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/media?parent=7090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/categories?post=7090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packqc.com\/nl\/wp-json\/wp\/v2\/tags?post=7090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}