{"id":1115,"date":"2025-05-19T16:13:25","date_gmt":"2025-05-19T08:13:25","guid":{"rendered":"https:\/\/www.puncturetest.com\/?page_id=1115"},"modified":"2025-07-03T15:42:21","modified_gmt":"2025-07-03T07:42:21","slug":"astm-d3787","status":"publish","type":"page","link":"https:\/\/www.puncturetest.com\/cs\/standards\/astm-d3787\/","title":{"rendered":"ASTM D3787"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1115\" class=\"elementor elementor-1115\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c60fdbb e-flex e-con-boxed e-con e-parent\" data-id=\"c60fdbb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-db6fcba e-con-full e-flex e-con e-child\" data-id=\"db6fcba\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9d1f798 e-con-full e-flex e-con e-child\" data-id=\"9d1f798\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8cc5a79 e-con-full e-flex e-con e-child\" data-id=\"8cc5a79\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b67d4 elementor-widget elementor-widget-heading\" data-id=\"b6b67d4\" 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\">ASTM D3787<br>Zkou\u0161ka pevnosti p\u0159i roztr\u017een\u00ed koule<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75302b5 elementor-widget elementor-widget-heading\" data-id=\"75302b5\" 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\">Pevnost textili\u00ed p\u0159i roztr\u017een\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69f526a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"69f526a\" 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 class=\"\" data-start=\"0\" data-end=\"201\">Zjist\u011bte, jak se podle normy ASTM D3787 \u0159\u00edd\u00ed zku\u0161ebn\u00ed metoda pro hodnocen\u00ed pevnosti textiln\u00edch materi\u00e1l\u016f v roztr\u017een\u00ed, kter\u00e1 zaji\u0161\u0165uje p\u0159esnost a kontrolu kvality v textiln\u00edch aplikac\u00edch.<\/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-3908ffb elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"3908ffb\" data-element_type=\"widget\" data-settings=\"{&quot;button_width&quot;:&quot;25&quot;,&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"1115\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"3908ffb\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Puncture Test\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tN\u00e1zev\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"N\u00e1zev\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_26b0101 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_26b0101\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tSpole\u010dnost\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_26b0101]\" id=\"form-field-field_26b0101\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Spole\u010dnost\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tE-mail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"E-mail\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tZpr\u00e1va\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Zpr\u00e1va\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha elementor-field-group elementor-column elementor-field-group-field_50f0fd6 elementor-col-100\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_50f0fd6\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LcO3HUrAAAAAKhAi3KjswdM4-_7i5zKd1s5FO2N\" data-type=\"v2_checkbox\" data-theme=\"light\" data-size=\"normal\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-25 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Odeslat<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"cs\"\/><\/form>\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>\n\t\t<div class=\"elementor-element elementor-element-163fe1b e-con-full e-flex e-con e-child\" data-id=\"163fe1b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-3f2b60d e-flex e-con-boxed e-con e-parent\" data-id=\"3f2b60d\" 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-7c5f6d2 elementor-widget elementor-widget-heading\" data-id=\"7c5f6d2\" 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\">ASTM D3787 - Zku\u0161ebn\u00ed metoda pro stanoven\u00ed pevnosti textili\u00ed v tahu p\u0159i roztr\u017een\u00ed kuli\u010dky<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6126588 elementor-widget elementor-widget-text-editor\" data-id=\"6126588\" 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 class=\"\" data-start=\"379\" data-end=\"1042\">Textiln\u00ed materi\u00e1ly pou\u017e\u00edvan\u00e9 ve zdravotnictv\u00ed, od\u011bvnictv\u00ed nebo v pr\u016fmyslu jsou b\u011bhem pou\u017e\u00edv\u00e1n\u00ed \u010dasto vystaveny extr\u00e9mn\u00edmu nam\u00e1h\u00e1n\u00ed. Jedn\u00edm ze z\u00e1kladn\u00edch parametr\u016f kvality je <em data-start=\"586\" data-end=\"605\">s\u00edla prasknut\u00ed<\/em>, kter\u00fd vyjad\u0159uje, jak dob\u0159e tkanina odol\u00e1v\u00e1 tlaku p\u016fsob\u00edc\u00edmu z ur\u010dit\u00e9ho bodu. <strong data-start=\"693\" data-end=\"707\">ASTM D3787<\/strong>, norma vyvinut\u00e1 spole\u010dnost\u00ed ASTM International, poskytuje jasn\u00fd a spolehliv\u00fd n\u00e1vod k pou\u017eit\u00ed. <strong data-start=\"783\" data-end=\"809\">metoda zkou\u0161ky roztr\u017een\u00edm koule<\/strong> pro vyhodnocen\u00ed <strong data-start=\"829\" data-end=\"852\">s\u00edla v\u00fdbuchu koule<\/strong> z tkan\u00fdch, pleten\u00fdch nebo netkan\u00fdch textili\u00ed. V tomto \u010dl\u00e1nku se dozv\u00edte, jak norma ASTM D3787 funguje, jak\u00fd m\u00e1 v\u00fdznam a jak se j\u00ed mohou odborn\u00edci na testov\u00e1n\u00ed p\u0159esn\u011b \u0159\u00eddit, aby zajistili shodu a trvanlivost v\u00fdrobk\u016f.<\/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-580df19 e-flex e-con-boxed e-con e-parent\" data-id=\"580df19\" 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-8262e73 elementor-widget elementor-widget-heading\" data-id=\"8262e73\" 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\">Co je ASTM D3787?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c71437 elementor-widget elementor-widget-text-editor\" data-id=\"7c71437\" 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 class=\"\" data-start=\"1090\" data-end=\"1541\"><strong data-start=\"1090\" data-end=\"1104\">ASTM D3787<\/strong> je <em data-start=\"1112\" data-end=\"1216\">Standardn\u00ed zku\u0161ebn\u00ed metoda pro stanoven\u00ed pevnosti textili\u00ed v roztr\u017een\u00ed - zkou\u0161ka rychlost\u00ed pr\u016fchodu kuli\u010dkou (CRT)<\/em>. Je speci\u00e1ln\u011b navr\u017een pro tkaniny, kter\u00e9 vykazuj\u00ed vysokou rozta\u017enost, jako jsou pleten\u00e9 nebo stre\u010dov\u00e9 materi\u00e1ly. Tato metoda vyu\u017e\u00edv\u00e1 <strong data-start=\"1348\" data-end=\"1370\">CRT tahov\u00fd tester<\/strong> vybaven <strong data-start=\"1387\" data-end=\"1412\">n\u00e1stavec pro roztr\u017een\u00ed koule<\/strong>, co\u017e umo\u017e\u0148uje simulovat v\u00edcesm\u011brn\u00e9 nam\u00e1h\u00e1n\u00ed tlakem kulov\u00e9 ocelov\u00e9 kuli\u010dky na tkaninu a\u017e do jej\u00edho roztr\u017een\u00ed.<\/p><p class=\"\" data-start=\"1543\" data-end=\"1784\">Tato metoda se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 v r\u016fzn\u00fdch odv\u011btv\u00edch - od <em data-start=\"1595\" data-end=\"1612\">zdravotnick\u00e9 prost\u0159edky<\/em> a <em data-start=\"1617\" data-end=\"1626\">oble\u010den\u00ed<\/em> na <em data-start=\"1630\" data-end=\"1650\">technick\u00e9 textilie<\/em>-pro hodnocen\u00ed kvality v\u00fdrobku, zejm\u00e9na pokud se o\u010dek\u00e1v\u00e1, \u017ee v\u00fdrobek vydr\u017e\u00ed nafouknut\u00ed, bodov\u00e9 zat\u00ed\u017een\u00ed nebo rozta\u017een\u00ed b\u011bhem pou\u017e\u00edv\u00e1n\u00ed.<\/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-a9693b2 e-flex e-con-boxed e-con e-parent\" data-id=\"a9693b2\" 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-b44c843 elementor-widget elementor-widget-heading\" data-id=\"b44c843\" 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\">Postup zkou\u0161ky prasknut\u00ed koule<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e38b53 elementor-widget elementor-widget-text-editor\" data-id=\"3e38b53\" 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 class=\"\" data-start=\"1829\" data-end=\"1929\">Na str\u00e1nk\u00e1ch <strong data-start=\"1833\" data-end=\"1859\">metoda zkou\u0161ky roztr\u017een\u00edm koule<\/strong> podle normy ASTM D3787 zahrnuje specifick\u00fd a kontrolovan\u00fd zku\u0161ebn\u00ed proces:<\/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-038313d e-grid e-con-full e-con e-child\" data-id=\"038313d\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ca884b4 e-con-full e-flex e-con e-child\" data-id=\"ca884b4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d4bee6 elementor-widget elementor-widget-heading\" data-id=\"7d4bee6\" 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\">1. P\u0159\u00edprava vzork\u016f:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f0e94c elementor-widget elementor-widget-text-editor\" data-id=\"6f0e94c\" 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 class=\"\" data-start=\"1933\" data-end=\"2209\">P\u0159ipravte kruhov\u00e9 nebo \u010dtvercov\u00e9 vzorky textili\u00ed o pr\u016fm\u011bru nebo d\u00e9lce obvykle 125 mm (5 palc\u016f), p\u0159i\u010dem\u017e dbejte na to, aby \u017e\u00e1dn\u00e9 dva vzorky nem\u011bly stejn\u00e9 osnovn\u00ed a v\u00fdpl\u0148ov\u00e9 p\u0159\u00edze. Vyhn\u011bte se \u0159ez\u00e1n\u00ed okraj\u016f vzork\u016f sm\u011brem od okraje, abyste eliminovali zkreslen\u00ed od zes\u00edlen\u00fdch okraj\u016f.<\/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-259e565 elementor-widget elementor-widget-heading\" data-id=\"259e565\" 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\">2. Up\u00edn\u00e1n\u00ed vzorku:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ff4ad7 elementor-widget elementor-widget-text-editor\" data-id=\"0ff4ad7\" 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>Vzorek se upne do <strong data-start=\"2269\" data-end=\"2283\">krou\u017ekov\u00e1 svorka<\/strong> bez nap\u011bt\u00ed. P\u0159\u00edpravek zaji\u0161\u0165uje pevn\u00e9 dr\u017een\u00ed tkaniny a z\u00e1rove\u0148 umo\u017e\u0148uje vertik\u00e1ln\u00ed pohyb b\u011bhem zkou\u0161ky.<\/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<div class=\"elementor-element elementor-element-5798a7e e-con-full e-flex e-con e-child\" data-id=\"5798a7e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc5fa31 elementor-widget elementor-widget-heading\" data-id=\"fc5fa31\" 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\">3. Zat\u00ed\u017een\u00ed:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20b8485 elementor-widget elementor-widget-text-editor\" data-id=\"20b8485\" 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 class=\"\" data-start=\"2400\" data-end=\"2676\">A <strong data-start=\"2429\" data-end=\"2452\">le\u0161t\u011bn\u00e1 ocelov\u00e1 koule<\/strong> (pr\u016fm\u011br 25,4 mm \u00b1 0,005 mm) je namontov\u00e1n na pevnou svorku CRT stroje. Krou\u017ekov\u00e1 svorka se pohybuje konstantn\u00ed rychlost\u00ed 305 mm\/min \u00b1 13 mm\/min a tla\u010d\u00ed tkaninu proti kouli, dokud nedojde k jej\u00edmu roztr\u017een\u00ed.<\/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-9a9ba5b elementor-widget elementor-widget-heading\" data-id=\"9a9ba5b\" 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\">4. Z\u00e1znam v\u00fdsledk\u016f:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11027ef elementor-widget elementor-widget-text-editor\" data-id=\"11027ef\" 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 class=\"\" data-start=\"2680\" data-end=\"2909\">Maxim\u00e1ln\u00ed s\u00edla p\u016fsob\u00edc\u00ed p\u0159ed prasknut\u00edm je zaznamen\u00e1na jako <strong data-start=\"2771\" data-end=\"2794\">s\u00edla v\u00fdbuchu koule<\/strong> vzorku. V\u00fdsledky se obvykle uv\u00e1d\u011bj\u00ed v libr\u00e1ch s\u00edly (lbf) nebo newtonech (N) s p\u0159esnost\u00ed 0,1 lbf.<\/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<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93a65ac elementor-widget elementor-widget-text-editor\" data-id=\"93a65ac\" 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 class=\"\" data-start=\"2911\" data-end=\"3084\">Tato metoda napodobuje re\u00e1ln\u00e9 podm\u00ednky nam\u00e1h\u00e1n\u00ed l\u00e9pe ne\u017e plo\u0161n\u00e9 tahov\u00e9 zkou\u0161ky, zejm\u00e9na u textili\u00ed pou\u017e\u00edvan\u00fdch v od\u011bvech nebo \u010daloun\u011bn\u00ed, kde je deformace v\u00edcesm\u011brn\u00e1.<\/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-687887c e-flex e-con-boxed e-con e-parent\" data-id=\"687887c\" 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-ebd7702 elementor-widget elementor-widget-heading\" data-id=\"ebd7702\" 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\">V\u00fdznam m\u011b\u0159en\u00ed pevnosti textili\u00ed p\u0159i roztr\u017een\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02249ad elementor-widget elementor-widget-text-editor\" data-id=\"02249ad\" 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 class=\"\" data-start=\"3153\" data-end=\"3232\">Na str\u00e1nk\u00e1ch <strong data-start=\"3157\" data-end=\"3189\">pevnost textilu v roztr\u017een\u00ed<\/strong> materi\u00e1l\u016f je kritick\u00fdm atributem kvality:<\/p><ul><li data-start=\"3236\" data-end=\"3342\"><strong data-start=\"3236\" data-end=\"3259\">Pro bezpe\u010dnost v\u00fdrobku:<\/strong> Zaji\u0161\u0165uje, \u017ee tkaniny v ochrann\u00fdch od\u011bvech nebo zdravotnick\u00fdch obalech pod tlakem nesel\u017eou.<\/li><li data-start=\"3345\" data-end=\"3439\"><strong data-start=\"3345\" data-end=\"3364\">Pro trvanlivost:<\/strong> Pom\u00e1h\u00e1 v\u00fdrobc\u016fm vybrat spr\u00e1vnou t\u0159\u00eddu materi\u00e1lu pro v\u00fdrobky s vysok\u00fdm stupn\u011bm pou\u017eit\u00ed.<\/li><li data-start=\"3442\" data-end=\"3533\"><strong data-start=\"3442\" data-end=\"3472\">Pro zaji\u0161t\u011bn\u00ed souladu s p\u0159edpisy:<\/strong> Podporuje protokoly o zaji\u0161t\u011bn\u00ed kvality a p\u0159ej\u00edmac\u00edch testech.<\/li><li data-start=\"3536\" data-end=\"3632\"><strong data-start=\"3536\" data-end=\"3566\">Pro spokojenost z\u00e1kazn\u00edk\u016f:<\/strong> Zabra\u0148uje vad\u00e1m, kter\u00e9 by mohly ohrozit v\u00fdkon nebo estetiku.<\/li><\/ul><p class=\"\" data-start=\"3634\" data-end=\"3792\">D\u00edky pou\u017eit\u00ed normy ASTM D3787 mohou v\u00fdrobci s jistotou informovat o neporu\u0161enosti textili\u00ed, zejm\u00e9na p\u0159i hromadn\u00e9 p\u0159eprav\u011b nebo v\u00fdvozu na trhy s p\u0159\u00edsn\u00fdmi normami.<\/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-a32f25a e-flex e-con-boxed e-con e-parent\" data-id=\"a32f25a\" 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-c38d309 elementor-widget elementor-widget-heading\" data-id=\"c38d309\" 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\">Jak prov\u00e9st p\u0159esn\u00fd test podle normy ASTM D3787<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4e0f3b elementor-widget elementor-widget-text-editor\" data-id=\"a4e0f3b\" 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 class=\"\" data-start=\"3847\" data-end=\"3950\">Pro spr\u00e1vn\u00fd postup podle normy ASTM D3787 budete pot\u0159ebovat specializovan\u00e9 vybaven\u00ed a zku\u0161ebn\u00ed podm\u00ednky:<\/p><ol><li data-start=\"3955\" data-end=\"4028\"><strong data-start=\"3955\" data-end=\"3988\">Pou\u017eit\u00ed tahov\u00e9ho testeru typu CRT<\/strong> s platn\u00fdm <strong data-start=\"4002\" data-end=\"4027\">n\u00e1stavec pro roztr\u017een\u00ed koule<\/strong>.<\/li><li data-start=\"4032\" data-end=\"4100\">Zajist\u011bte, aby <strong data-start=\"4043\" data-end=\"4066\">kulov\u00e1 a krou\u017ekov\u00e1 svorka<\/strong> spl\u0148uj\u00ed rozm\u011bry stanoven\u00e9 ASTM.<\/li><li data-start=\"4104\" data-end=\"4196\">V\u0161echny vzorky udr\u017eujte ve standardn\u00ed atmosf\u00e9\u0159e (21 \u00b1 1 \u00b0C a 65 \u00b1 2% relativn\u00ed vlhkosti).<\/li><li data-start=\"4200\" data-end=\"4285\">Vezm\u011bte si <strong data-start=\"4207\" data-end=\"4256\">minim\u00e1ln\u011b p\u011bt vzork\u016f na vzorek materi\u00e1lu<\/strong> pro statistickou spolehlivost.<\/li><li data-start=\"4289\" data-end=\"4375\">Nahlaste v\u0161echny anom\u00e1lie nebo trhliny, kter\u00e9 nebyly zp\u016fsobeny nastaven\u00edm testu, abyste zajistili platn\u00e9 v\u00fdsledky.<\/li><\/ol><p class=\"\" data-start=\"4377\" data-end=\"4485\">Chcete-li dos\u00e1hnout nejlep\u0161\u00edch v\u00fdsledk\u016f, pracujte se za\u0159\u00edzen\u00edm, kter\u00e9 nab\u00edz\u00ed automatizaci, z\u00e1znam dat a programovateln\u00e9 \u0159\u00edzen\u00ed rychlosti.<\/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-a6df764 e-flex e-con-boxed e-con e-parent\" data-id=\"a6df764\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e5f91e3 e-grid e-con-full e-con e-child\" data-id=\"e5f91e3\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-40d8734 e-con-full e-flex e-con e-child\" data-id=\"40d8734\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-15bd215 elementor-widget elementor-widget-heading\" data-id=\"15bd215\" 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\"><a href=\"https:\/\/www.puncturetest.com\/cs\/tissue-paper-ball-burst-strength-test\/\">Tester pevnosti p\u0159i prasknut\u00ed koule<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44c6d75 elementor-widget elementor-widget-text-editor\" data-id=\"44c6d75\" 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 class=\"\" data-start=\"4560\" data-end=\"4684\">Puncturetest.com nab\u00edz\u00ed p\u0159esn\u00fd <strong data-start=\"4596\" data-end=\"4626\">Tester pevnosti p\u0159i roztr\u017een\u00ed koule<\/strong> pln\u011b kompatibiln\u00ed s <a href=\"https:\/\/store.astm.org\/d3787-16r20.html\" target=\"_blank\" rel=\"noopener\">ASTM D3787<\/a>. N\u00e1\u0161 n\u00e1stroj zaji\u0161\u0165uje:<\/p><ul data-start=\"4686\" data-end=\"4946\"><li class=\"\" data-start=\"4686\" data-end=\"4749\"><p class=\"\" data-start=\"4688\" data-end=\"4749\">Vysok\u00e1 p\u0159esnost pomoc\u00ed certifikovan\u00e9 ocelov\u00e9 kuli\u010dky a krou\u017eku.<\/p><\/li><li class=\"\" data-start=\"4750\" data-end=\"4806\"><p class=\"\" data-start=\"4752\" data-end=\"4806\">Automatick\u00e9 up\u00edn\u00e1n\u00ed a nakl\u00e1d\u00e1n\u00ed pro konzistentn\u00ed v\u00fdsledky.<\/p><\/li><li class=\"\" data-start=\"4807\" data-end=\"4871\"><p class=\"\" data-start=\"4809\" data-end=\"4871\">K\u0159ivky s\u00edly a posunut\u00ed v re\u00e1ln\u00e9m \u010dase a funkce exportu dat.<\/p><\/li><li class=\"\" data-start=\"4872\" data-end=\"4946\"><p class=\"\" data-start=\"4874\" data-end=\"4946\">P\u0159izp\u016fsobiteln\u00e9 nastaven\u00ed pro r\u016fzn\u00e9 typy textili\u00ed a po\u017eadavky na testov\u00e1n\u00ed.<\/p><\/li><\/ul><p class=\"\" data-start=\"4948\" data-end=\"5136\">Na z\u00e1klad\u011b des\u00edtek let zku\u0161enost\u00ed v oblasti <strong data-start=\"4983\" data-end=\"4996\">balen\u00ed<\/strong>, <strong data-start=\"4998\" data-end=\"5009\">l\u00e9ka\u0159sk\u00e9<\/strong>, <strong data-start=\"5011\" data-end=\"5022\">textil<\/strong>a <strong data-start=\"5028\" data-end=\"5046\">farmaceutick\u00fd<\/strong> Puncturetest.com je va\u0161\u00edm d\u016fv\u011bryhodn\u00fdm partnerem pro spolehliv\u00e1 \u0159e\u0161en\u00ed kontroly kvality.<\/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<div class=\"elementor-element elementor-element-e5f0632 elementor-widget elementor-widget-image\" data-id=\"e5f0632\" 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.puncturetest.com\/cs\/tissue-paper-ball-burst-strength-test\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test-300x300.webp\" class=\"attachment-medium size-medium wp-image-813\" alt=\"Zkou\u0161ka vpichem jehly podle normy ASTM F3014\" srcset=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test-300x300.webp 300w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test-150x150.webp 150w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-8871-5-Elastomeric-Closures-Penetrability-Test.webp 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\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-6821011 e-con-full e-flex e-con e-parent\" data-id=\"6821011\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-665057d elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"665057d\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/Elastomeric-Closures-Penetrability-Test-1024x256.webp);\" role=\"img\" aria-label=\"Elastomerov\u00e9 uz\u00e1v\u011bry Zkou\u0161ka prody\u0161nosti\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tZajist\u011bte si soulad s p\u0159edpisy pro tk\u00e1n\u011b je\u0161t\u011b dnes\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tNa str\u00e1nk\u00e1ch <b>ASTM D3787<\/b> hraje z\u00e1sadn\u00ed roli p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed toho, aby textiln\u00ed v\u00fdrobky odol\u00e1valy tlaku a fungovaly v re\u00e1ln\u00fdch podm\u00ednk\u00e1ch. Dodr\u017eov\u00e1n\u00edm <b>metoda zkou\u0161ky roztr\u017een\u00edm koule<\/b>, mohou odborn\u00edci z\u00edskat p\u0159esn\u00e9 a opakovateln\u00e9 \u00fadaje o <b>pevnost textilu v roztr\u017een\u00ed<\/b> materi\u00e1l\u016f, co\u017e v kone\u010dn\u00e9m d\u016fsledku zvy\u0161uje bezpe\u010dnost a trvanlivost.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/www.puncturetest.com\/cs\/contact\/\">\n\t\t\t\t\t\tKlikn\u011bte zde\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\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<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM D3787Ball Burst Strength Test Bursting Strength of Textile Learn how ASTM D3787 guides the ball burst test method for evaluating the bursting strength of textile materials, ensuring precision and quality control in textile applications. ASTM D3787 &#8211; Ball Burst Test Method for Bursting Strength of Textile Textile materials used in medical, apparel, or industrial [&hellip;]<\/p>","protected":false},"author":3,"featured_media":0,"parent":974,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1115","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM D3787 - Bursting Strength of Textile - Puncture Test<\/title>\n<meta name=\"description\" content=\"ASTM D3787 ball burst test method for evaluating the bursting strength of textile materials, ensuring puncture resistance of textiles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.puncturetest.com\/cs\/standards\/astm-d3787\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM D3787 - 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