{"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\/fi\/bending-stiffness-test\/","title":{"rendered":"ISO 5628 -opas, jossa on taivutusj\u00e4ykkyyden testauskoneen n\u00e4kemyksi\u00e4"},"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 -opas, jossa on taivutusj\u00e4ykkyyden testauskoneen n\u00e4kemyksi\u00e4<\/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\">The <strong data-start=\"526\" data-end=\"552\">taivutusj\u00e4ykkyystesti<\/strong> on kriittinen materiaaliominaisuuksien arviointimenetelm\u00e4, jota k\u00e4ytet\u00e4\u00e4n eri teollisuudenaloilla, kuten pakkauksissa, l\u00e4\u00e4kinn\u00e4llisiss\u00e4 laitteissa, l\u00e4\u00e4kkeiss\u00e4, tekstiileiss\u00e4 ja kartongin tuotannossa. T\u00e4ll\u00e4 testill\u00e4 mitataan materiaalin taivutuskest\u00e4vyytt\u00e4 ja saadaan tietoa sen j\u00e4ykkyydest\u00e4, joustavuudesta ja rakenteellisesta suorituskyvyst\u00e4. <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> esitet\u00e4\u00e4n standardoidut periaatteet t\u00e4llaisten testien suorittamiseksi k\u00e4ytt\u00e4en kaksi-, kolmi- tai nelipiste- tai taivutusmenetelmi\u00e4.<\/p><p data-start=\"992\" data-end=\"1437\">Tarkkojen tulosten varmistamiseksi valmistajien ja laadunvalvonnan ammattilaisten on noudatettava oikeita menettelytapoja, k\u00e4ytett\u00e4v\u00e4 vaatimustenmukaisia laitteita ja ymm\u00e4rrett\u00e4v\u00e4, miten muuttujat, kuten materiaalin paksuus, kimmomoduuli ja tukiolosuhteet, vaikuttavat tuloksiin. T\u00e4ss\u00e4 artikkelissa opastetaan taivutusj\u00e4ykkyystestin asianmukaiseen suorittamiseen ja suositellaan luotettavia mittalaitteita, kuten esimerkiksi <strong data-start=\"1384\" data-end=\"1436\">Cell Instruments WTD-01 taivutusj\u00e4ykkyystesteri<\/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\/fi\/\">\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\">ISO 5628:aan perustuva j\u00e4ykkyystestausmenetelm\u00e4n yleiskatsaus<\/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\">The <strong data-start=\"1501\" data-end=\"1526\">j\u00e4ykkyystestimenetelm\u00e4<\/strong> ISO 5628 -standardissa kuvattu menetelm\u00e4 perustuu palkkiteoriaan, jossa <strong data-start=\"1587\" data-end=\"1613\">taivutusj\u00e4ykkyys (Sb)<\/strong> homogeenisen n\u00e4ytteen arvo m\u00e4\u00e4r\u00e4ytyy seuraavasti:<\/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\">Miss\u00e4:<\/p><ul><li data-start=\"1692\" data-end=\"1736\"><em data-start=\"1692\" data-end=\"1695\">E<\/em> on materiaalin kimmokerroin<\/li><li data-start=\"1739\" data-end=\"1776\"><em data-start=\"1739\" data-end=\"1742\">I<\/em> on toinen hitausmomentti<\/li><li data-start=\"1779\" data-end=\"1813\"><em data-start=\"1779\" data-end=\"1782\">b<\/em> on n\u00e4ytteen leveys<\/li><\/ul><p data-start=\"1815\" data-end=\"1896\">ISO 5628:2019 -standardin mukaan j\u00e4ykkyys voidaan laskea kolmella tavalla:<\/p><ol><li data-start=\"1900\" data-end=\"1991\">Suurin kaltevuus mitataan <strong data-start=\"1935\" data-end=\"1959\">voima vs. taipuma<\/strong> tai <strong data-start=\"1963\" data-end=\"1982\">voima vs. kulma<\/strong> k\u00e4yr\u00e4.<\/li><li data-start=\"1995\" data-end=\"2092\">Sovelletaan kiinte\u00e4 taipuma\/kulma ja mitataan vastaava voima tietyn ajan kuluttua.<\/li><li data-start=\"2096\" data-end=\"2181\">Vakiovoiman kohdistaminen ja taipuman tai kulman kirjaaminen tietyn ajan kuluttua.<\/li><\/ol><p data-start=\"2183\" data-end=\"2309\">Kukin menetelm\u00e4 on suoritettava tarkoin m\u00e4\u00e4ritellyiss\u00e4 olosuhteissa, joissa on oltava <strong data-start=\"2248\" data-end=\"2264\">testausnopeus<\/strong> ja <strong data-start=\"2269\" data-end=\"2291\">mittauksen ajoitus<\/strong> raportoitu selke\u00e4sti.<\/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\">Laitteiden valinta: J\u00e4ykkyystestauskoneen k\u00e4ytt\u00f6<\/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\">Sopivan vaihtoehdon valitseminen <strong data-start=\"2396\" data-end=\"2425\">j\u00e4ykkyystestauskone<\/strong> on v\u00e4ltt\u00e4m\u00e4t\u00f6nt\u00e4 tarkkojen tulosten ja ISO-standardien noudattamisen kannalta. T\u00e4rkeimm\u00e4t tekniset tiedot ovat:<\/p><ul><li data-start=\"2526\" data-end=\"2572\">S\u00e4\u00e4dett\u00e4v\u00e4 taivutuspituus \u00b11% tarkkuudella<\/li><li data-start=\"2575\" data-end=\"2661\">Kyky tallentaa <strong data-start=\"2593\" data-end=\"2620\">voima suhteessa taipumaan<\/strong> tai <strong data-start=\"2624\" data-end=\"2659\">voima suhteessa kulmapoikkeamaan<\/strong><\/li><li data-start=\"2664\" data-end=\"2720\">Herkkyys \u00b12,5%:n sis\u00e4ll\u00e4 koko mittausalueella<\/li><li data-start=\"2723\" data-end=\"2781\">Vakaat tukialustat, jotka minimoivat testauksen artefaktit.<\/li><\/ul><p data-start=\"2783\" data-end=\"3100\">The <strong data-start=\"2787\" data-end=\"2839\">Cell Instruments WTD-01 taivutusj\u00e4ykkyystesteri<\/strong> t\u00e4ytt\u00e4\u00e4 t\u00e4ysin n\u00e4m\u00e4 vaatimukset. Se tarjoaa automaattisen, tarkan tiedonkeruun ja k\u00e4yr\u00e4nanalyysin kaikissa ISO 5628 -standardin mukaisissa testauskokoonpanoissa. Se on vankka ratkaisu laboratorioille, joiden tavoitteena on varmistaa tuotteen suorituskyky luotettavien j\u00e4ykkyystietojen avulla.<\/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\">N\u00e4ytteen valmistelu ja testausolosuhteet<\/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\">N\u00e4ytteenotto 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>Er\u00e4analyysej\u00e4 varten n\u00e4ytteet valitaan seuraavasti <strong data-start=\"3218\" data-end=\"3229\">ISO 186<\/strong>. Varmistetaan, ett\u00e4 testikappaleet edustavat er\u00e4\u00e4, jotta voidaan tehd\u00e4 p\u00e4tevi\u00e4 johtop\u00e4\u00e4t\u00f6ksi\u00e4.<\/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\/fi\/\">\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\">Kuntoutus 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>N\u00e4ytteiden kunto seuraavien ohjeiden mukaisesti <strong data-start=\"3356\" data-end=\"3367\">ISO 187<\/strong> vakiol\u00e4mp\u00f6tilassa ja -ilmankosteudessa. S\u00e4ilyt\u00e4 n\u00e4ytteet t\u00e4ss\u00e4 ymp\u00e4rist\u00f6ss\u00e4 koko testausprosessin ajan.<\/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\/fi\/\">\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=\"Taivutusj\u00e4ykkyyden testausmenetelm\u00e4\" 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\">Koekappaleen valmistelu 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\">Leikataan koekappaleita vahingoittumattomista levyist\u00e4<\/li><li data-start=\"3552\" data-end=\"3590\">V\u00e4lt\u00e4 vesileimoja, ryppyj\u00e4 tai taitteita.<\/li><li data-start=\"3593\" data-end=\"3636\">Varmista, ett\u00e4 pitk\u00e4t reunat ovat yhdensuuntaiset \u00b11%:n sis\u00e4ll\u00e4.<\/li><li data-start=\"3639\" data-end=\"3731\">Valmistetaan v\u00e4hint\u00e4\u00e4n 10 n\u00e4ytett\u00e4 jokaista suuntaa kohti (koneen suunta ja poikittaissuunta).<\/li><\/ul><p data-start=\"3733\" data-end=\"3925\">M\u00e4\u00e4ritelm\u00e4 <strong data-start=\"3755\" data-end=\"3771\">\u201cyl\u00e4puolella\u201d<\/strong> on kriittinen, koska taivutus on suoritettava molempiin suuntiin (yl\u00f6s- ja alasp\u00e4in), ja tulokset on keskiarvoistettava kaarevuusvirheiden poistamiseksi.<\/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\">Testausmenettely<\/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\">Ennen kuin suoritetaan <strong data-start=\"3976\" data-end=\"4002\">taivutusj\u00e4ykkyystesti<\/strong>, m\u00e4\u00e4ritt\u00e4\u00e4 paksuus k\u00e4ytt\u00e4m\u00e4ll\u00e4 <strong data-start=\"4030\" data-end=\"4041\">ISO 534<\/strong> (paperi ja kartonki) tai <strong data-start=\"4067\" data-end=\"4079\">ISO 3034<\/strong> (aaltopahvin osalta). Huomaa, ett\u00e4 irtotavaran paksuus ja levyn paksuus tuottavat erilaisia tuloksia, ja niit\u00e4 on k\u00e4sitelt\u00e4v\u00e4 vastaavasti.<\/p><ul><li data-start=\"4209\" data-end=\"4251\">Aseta n\u00e4yte j\u00e4ykkyystestauslaitteeseen.<\/li><li data-start=\"4254\" data-end=\"4337\">Suoritetaan viisi testi\u00e4 taivuttamalla yl\u00e4viistoon ja viisi alaviistoon.<\/li><li data-start=\"4340\" data-end=\"4386\">Piirr\u00e4 voima vs. taipuma tai voima vs. kulma.<\/li><li data-start=\"4389\" data-end=\"4451\">K\u00e4yt\u00e4 k\u00e4yr\u00e4n lineaarista osaa j\u00e4ykkyyden arviointiin.<\/li><li data-start=\"4454\" data-end=\"4525\">Kaikkien testitulosten keskiarvo ja raportointi k\u00e4ytt\u00e4en <strong data-start=\"4496\" data-end=\"4525\">kolme merkitsev\u00e4\u00e4 lukua<\/strong><\/li><\/ul><p data-start=\"4527\" data-end=\"4626\">T\u00e4rke\u00e4\u00e4: Varmista, ett\u00e4 kukin n\u00e4yte on yht\u00e4 <strong data-start=\"4570\" data-end=\"4590\">mahdollisimman tasainen<\/strong> jotta v\u00e4ltet\u00e4\u00e4n ennakkokuravuudesta johtuvat virheet.<\/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\">Arviointi ja laskenta<\/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\">Tulokset voidaan laskea joko:<\/p><ul><li data-start=\"4705\" data-end=\"4770\">K\u00e4ytt\u00e4m\u00e4ll\u00e4 <strong data-start=\"4715\" data-end=\"4732\">lineaarinen alue<\/strong> voima- taipuma\/kulma-k\u00e4yr\u00e4n voiman ja taipuman suhde<\/li><li data-start=\"4773\" data-end=\"4847\">Soveltamalla <strong data-start=\"4786\" data-end=\"4821\">suositeltu taipuma tai kulma<\/strong> ja voiman mittaaminen<\/li><li data-start=\"4850\" data-end=\"4916\">Tallentaminen <strong data-start=\"4864\" data-end=\"4881\">maksimivoima<\/strong> ja vastaava taipuma<\/li><\/ul><p data-start=\"4918\" data-end=\"5082\">Valitse arviointimenetelm\u00e4 testikokoonpanon perusteella (kaksi-, kolmi- tai nelipisteinen) ja varmista, ett\u00e4 tiedot keskiarvoistetaan kaikista kelvollisista testikappaleista.<\/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\">Miksi valita Cell Instruments Taivutusj\u00e4ykkyystestaus?<\/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\">Tehokkuutta ja ISO-vaatimustenmukaisuutta tavoitteleville valmistajille ja laadunvalvontalaboratorioille on tarjolla <strong data-start=\"5231\" data-end=\"5283\"><a href=\"https:\/\/www.packqc.com\/fi\/\">Soluinstrumentit<\/a> WTD-01 taivutusj\u00e4ykkyystesteri<\/strong> tarjouksia:<\/p><ul><li data-start=\"5295\" data-end=\"5345\">T\u00e4ysi yhteensopivuus ISO 5628 -testimenettelyjen kanssa<\/li><li data-start=\"5348\" data-end=\"5392\">Eritt\u00e4in tarkka ja johdonmukainen datatuotos<\/li><li data-start=\"5395\" data-end=\"5427\">Monipistetestausmahdollisuus<\/li><li data-start=\"5430\" data-end=\"5480\">K\u00e4ytt\u00e4j\u00e4yst\u00e4v\u00e4llinen k\u00e4ytt\u00f6liittym\u00e4 helpottaa k\u00e4ytt\u00f6\u00e4<\/li><li data-start=\"5483\" data-end=\"5585\">Soveltuu monenlaisille materiaaleille, kuten kartongille, joustaville pakkauksille ja l\u00e4\u00e4ketieteellisille laminaateille.<\/li><\/ul><p data-start=\"5587\" data-end=\"5778\">T\u00e4m\u00e4 laite on ihanteellinen pakkausten valmistajille, l\u00e4\u00e4kinn\u00e4llisten laitteiden kehitt\u00e4jille ja materiaalitestausta tekeville laboratorioille, jotka tarvitsevat seuraavaa <strong data-start=\"5703\" data-end=\"5738\">luotettava taivutusj\u00e4ykkyystesti<\/strong> tulokset ISO-s\u00e4\u00e4nnellyiss\u00e4 olosuhteissa.<\/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\">Johtop\u00e4\u00e4t\u00f6s<\/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\">Suorittaa a <strong data-start=\"5812\" data-end=\"5838\">taivutusj\u00e4ykkyystesti<\/strong> noudattaen <strong data-start=\"5858\" data-end=\"5875\">ISO 5628:2019<\/strong> vaatii muutakin kuin voiman ja taipuman mittaamista - se vaatii harkittua n\u00e4ytteen valmistelua, tarkkoja mittalaitteita ja huolellista laskentaa. Valitsemalla kykenev\u00e4 <strong data-start=\"6044\" data-end=\"6073\">j\u00e4ykkyystestauskone<\/strong>, kuten <strong data-start=\"6084\" data-end=\"6111\">Cell Instruments WTD-01<\/strong>, varmistaa luotettavat tulokset ja tukee tiukkaa laadunvalvontaa.<\/p><p data-start=\"6178\" data-end=\"6381\">Noudattamalla t\u00e4ss\u00e4 esitettyj\u00e4 menetelmi\u00e4 ja periaatteita pakkaus-, l\u00e4\u00e4ke-, l\u00e4\u00e4kint\u00e4- ja l\u00e4\u00e4kealan sek\u00e4 vastaavien alojen ammattilaiset voivat luottavaisesti arvioida materiaalien suorituskyky\u00e4 ja noudattaa tuotestandardeja.<\/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\">Ota yhteytt\u00e4<\/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 Guide with Bending Stiffness Testing Machine Insights The bending stiffness test is a critical material property evaluation method used across industries including packaging, medical devices, pharmaceuticals, textiles, and paperboard production. This test measures a material\u2019s resistance to bending and provides insights into its rigidity, flexibility, and structural performance. ISO 5628:2019 outlines standardized principles [&hellip;]<\/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\/fi\/wp-json\/wp\/v2\/posts\/7090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/comments?post=7090"}],"version-history":[{"count":0,"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/posts\/7090\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/media?parent=7090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/categories?post=7090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/tags?post=7090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}