{"id":16858,"date":"2025-04-29T09:16:37","date_gmt":"2025-04-29T09:16:37","guid":{"rendered":"https:\/\/lenard.tech\/?post_type=product&#038;p=16858"},"modified":"2025-04-29T09:42:42","modified_gmt":"2025-04-29T09:42:42","slug":"une-en-8631996","status":"publish","type":"product","link":"https:\/\/lenard.tech\/fr\/producto\/une-en-8631996\/","title":{"rendered":"UNE EN 863:1996"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row woodmart_css_id=&#8221;64770fff47a07&#8243; responsive_spacing=&#8221;eyJwYXJhbV90eXBlIjoid29vZG1hcnRfcmVzcG9uc2l2ZV9zcGFjaW5nIiwic2VsZWN0b3JfaWQiOiI2NDc3MGZmZjQ3YTA3Iiwic2hvcnRjb2RlIjoidmNfcm93IiwiZGF0YSI6eyJ0YWJsZXQiOnt9LCJtb2JpbGUiOnt9fX0=&#8221; mobile_bg_img_hidden=&#8221;no&#8221; tablet_bg_img_hidden=&#8221;no&#8221; woodmart_parallax=&#8221;0&#8243; woodmart_gradient_switch=&#8221;no&#8221; woodmart_box_shadow=&#8221;no&#8221; wd_z_index=&#8221;no&#8221; woodmart_disable_overflow=&#8221;0&#8243; row_reverse_mobile=&#8221;0&#8243; row_reverse_tablet=&#8221;0&#8243;][vc_column][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]<strong>R\u00c9SISTANCE \u00c0 LA PERFORATION<\/strong>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_tta_tabs title_tag=&#8221;h3&#8243; section_title_tag=&#8221;h3&#8243; style=&#8221;modern&#8221; color=&#8221;white&#8221; active_section=&#8221;1&#8243; no_fill_content_area=&#8221;true&#8221;][vc_tta_section title=&#8221;PRINCIPE&#8221; tab_id=&#8221;1685522856916-22531c7c-aaf1&#8243;][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]La r\u00e9sistance \u00e0 la perforation est exprim\u00e9e comme la force maximale n\u00e9cessaire pour perforer l&#8217;\u00e9chantillon \u00e0 une vitesse sp\u00e9cifique.<\/p>\n<ul>\n<li>4 \u00e9chantillons d&#8217;un diam\u00e8tre minimum de 50 mm doivent \u00eatre pr\u00e9lev\u00e9s pour les essais.<\/li>\n<li>L&#8217;appareil d&#8217;essai est la machine d&#8217;essai de traction de type CRE selon EN 10002-2<\/li>\n<li>Le poin\u00e7on d&#8217;essai doit \u00eatre en acier d&#8217;une duret\u00e9 minimale de 60 HRC et avec les dimensions d\u00e9crites dans la norme.<\/li>\n<li>Les m\u00e2choires emp\u00eacheront l&#8217;\u00e9chantillon de glisser pendant l&#8217;essai. Ils doivent \u00eatre constitu\u00e9s de deux plaques d&#8217;acier plates d&#8217;au moins 10 mm d&#8217;\u00e9paisseur avec un trou au centre de 20 \u00b1 0,5 mm et de 4 boulons de fixation.<\/li>\n<li>Les \u00e9prouvettes doivent \u00eatre conditionn\u00e9es conform\u00e9ment \u00e0 la norme ISO 2231 (temp\u00e9rature de 20 \u00b1 2 \u00b0C et humidit\u00e9 relative de 65 \u00b1 5 %)<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;PROC\u00c9DURE&#8221; tab_id=&#8221;1734423414478-16a05232-5834&#8243;][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]<\/p>\n<ul>\n<li>L&#8217;\u00e9prouvette doit \u00eatre plac\u00e9e entre les deux m\u00e2choires avec la surface ext\u00e9rieure expos\u00e9e au poin\u00e7on.<\/li>\n<li>Serrez les boulons pour \u00e9viter le glissement ou la d\u00e9t\u00e9rioration de l&#8217;\u00e9chantillon.<\/li>\n<li>Placez l&#8217;\u00e9chantillon et les m\u00e2choires sur la machine d&#8217;essai.<\/li>\n<li>Avancer le poin\u00e7on vers l&#8217;\u00e9chantillon \u00e0 100 \u00b1 10 mm\/min. Si le poin\u00e7on ne parvient pas \u00e0 p\u00e9n\u00e9trer l&#8217;\u00e9prouvette apr\u00e8s un mouvement de 25 mm, l&#8217;essai est consid\u00e9r\u00e9 comme termin\u00e9.<\/li>\n<li>Enregistrer pour chaque essai la force maximale (N) pour percer l&#8217;\u00e9prouvette.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;R\u00c9SULTATS&#8221; tab_id=&#8221;1734423497285-d4728f82-ec92&#8243;][vc_column_text woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]La moyenne arithm\u00e9tique de la force maximale obtenue dans les 4 \u00e9prouvettes (N) sera indiqu\u00e9e.[\/vc_column_text][\/vc_tta_section][\/vc_tta_tabs][\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p><strong>R\u00c9SISTANCE \u00c0 LA PERFORATION<\/strong><\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[884],"product_tag":[3153,2369,1654],"class_list":["post-16858","product","type-product","status-publish","hentry","product_cat-norme","product_tag-863-fr","product_tag-alta-resistencia-fr","product_tag-perforacion-fr"],"acf":[],"_links":{"self":[{"href":"https:\/\/lenard.tech\/fr\/wp-json\/wp\/v2\/product\/16858","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lenard.tech\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/lenard.tech\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/lenard.tech\/fr\/wp-json\/wp\/v2\/comments?post=16858"}],"wp:attachment":[{"href":"https:\/\/lenard.tech\/fr\/wp-json\/wp\/v2\/media?parent=16858"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/lenard.tech\/fr\/wp-json\/wp\/v2\/product_cat?post=16858"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/lenard.tech\/fr\/wp-json\/wp\/v2\/product_tag?post=16858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}