{"id":11444,"date":"2025-12-23T13:08:49","date_gmt":"2025-12-23T13:08:49","guid":{"rendered":"https:\/\/ykmtest.com\/?post_type=product&#038;p=11444"},"modified":"2025-12-23T13:08:50","modified_gmt":"2025-12-23T13:08:50","slug":"astm-automatic-compression-testing-machines-for-blocks-and-cylinders","status":"publish","type":"product","link":"https:\/\/ykmtest.com\/french\/produit\/astm-automatic-compression-testing-machines-for-blocks-and-cylinders\/","title":{"rendered":"ASTM \u2013 Machines d'essai de compression automatiques pour blocs et cylindres"},"content":{"rendered":"<p data-start=\"602\" data-end=\"1018\">Les machines d'essai de compression automatique ASTM pour blocs et cylindres sont des syst\u00e8mes d'essai contr\u00f4l\u00e9s en boucle ferm\u00e9e d\u00e9velopp\u00e9s pour d\u00e9terminer la r\u00e9sistance \u00e0 la compression des cylindres et blocs de b\u00e9ton \u00e0 des taux de charge standardis\u00e9s, ind\u00e9pendamment de l'influence de l'op\u00e9rateur. Ces machines sont con\u00e7ues pour les laboratoires professionnels qui exigent une pr\u00e9cision, une r\u00e9p\u00e9tabilit\u00e9 et une s\u00e9curit\u00e9 \u00e9lev\u00e9es, ainsi que des flux de travail efficaces.<\/p>\n<p data-start=\"1020\" data-end=\"1520\">Le cadre de chargement \u00e0 quatre colonnes de haute rigidit\u00e9, associ\u00e9 \u00e0 un bloc de base monobloc, garantit un alignement axial pr\u00e9cis tout au long du test. Un plateau sup\u00e9rieur \u00e0 assise sph\u00e9rique et un plateau inf\u00e9rieur tremp\u00e9 et rectifi\u00e9 centrent automatiquement l'\u00e9chantillon et assurent une r\u00e9partition uniforme de la charge. La large ouverture d'essai et la course \u00e9tendue permettent de tester des cylindres en b\u00e9ton standard de 100\u00d7200 mm et 150\u00d7300 mm, ainsi qu'une large gamme de dimensions de blocs en b\u00e9ton, sur la m\u00eame machine sans modification structurelle.<\/p>\n<p data-start=\"1522\" data-end=\"1938\">L'unit\u00e9 hydraulique applique la charge automatiquement \u00e0 l'aide d'une vanne proportionnelle et d'un retour de force \u00e0 haute r\u00e9solution, en maintenant un taux de charge constant conform\u00e9ment \u00e0 la norme ASTM C39 et aux m\u00e9thodes ASTM pertinentes pour les blocs de b\u00e9ton et les unit\u00e9s de ma\u00e7onnerie. \u00c0 la rupture de l'\u00e9chantillon, le syst\u00e8me d\u00e9tecte automatiquement la charge maximale, r\u00e9tracte le piston dans une position s\u00fbre et calcule instantan\u00e9ment les valeurs de r\u00e9sistance \u00e0 la compression en MPa.<\/p>\n<p data-start=\"1940\" data-end=\"2395\">Une unit\u00e9 de contr\u00f4le \u00e9lectronique int\u00e9gr\u00e9e avec interface \u00e0 \u00e9cran tactile simplifie l'utilisation et l'\u00e9tablissement de rapports. Des mod\u00e8les de m\u00e9thodes pr\u00e9d\u00e9finis pour les cylindres, les blocs et les prismes acc\u00e9l\u00e8rent la configuration des essais, tandis que l'autorisation de l'utilisateur et l'identification de l'\u00e9chantillon assurent la tra\u00e7abilit\u00e9. La surveillance en temps r\u00e9el de la charge et du d\u00e9placement est affich\u00e9e graphiquement pendant l'essai, et les r\u00e9sultats sont stock\u00e9s automatiquement. Les donn\u00e9es peuvent \u00eatre transf\u00e9r\u00e9es via USB ou Ethernet pour l'\u00e9tablissement de rapports et l'archivage.<\/p>\n<p data-start=\"2397\" data-end=\"2820\">Le b\u00e2ti de la machine et la cha\u00eene de mesure de la force sont fabriqu\u00e9s \u00e0 partir de mat\u00e9riaux thermiquement stables et r\u00e9sistants \u00e0 la fatigue afin de garantir la stabilit\u00e9 des mesures \u00e0 long terme. La v\u00e9rification de la force est assur\u00e9e par des proc\u00e9dures d'\u00e9talonnage tra\u00e7ables. La s\u00e9curit\u00e9 est renforc\u00e9e par un bo\u00eetier en polycarbonate transparent, un interrupteur de s\u00e9curit\u00e9 pour le verrouillage de la porte et un syst\u00e8me d'arr\u00eat d'urgence, ce qui rend l'\u00e9quipement adapt\u00e9 aux environnements de laboratoire tr\u00e8s fr\u00e9quent\u00e9s.<\/p>\n<p data-start=\"2822\" data-end=\"3277\">L'efficacit\u00e9 op\u00e9rationnelle est soulign\u00e9e par des marques de centrage rapide, des manchons d'adaptation interchangeables et des transitions sans outil entre les plateaux du cylindre et du bloc, ce qui r\u00e9duit le temps de changement des \u00e9chantillons. Les pieds amortisseurs de vibrations et la r\u00e9partition \u00e9quilibr\u00e9e des masses am\u00e9liorent la stabilit\u00e9 du banc, tandis que les panneaux d'acc\u00e8s facilitent l'entretien des composants hydrauliques et \u00e9lectroniques. Les syst\u00e8mes de filtration de l'huile et de purge d'air prolongent la dur\u00e9e de vie du syst\u00e8me hydraulique.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les machines d'essai de compression automatique ASTM pour blocs et cylindres sont des syst\u00e8mes enti\u00e8rement automatiques en boucle ferm\u00e9e, con\u00e7us pour des essais de r\u00e9sistance \u00e0 la compression pr\u00e9cis et r\u00e9p\u00e9tables de cylindres et de blocs en b\u00e9ton, conform\u00e9ment aux normes ASTM.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[142,143],"product_tag":[],"class_list":{"0":"post-11444","1":"product","2":"type-product","3":"status-publish","5":"product_cat-concrete","6":"product_cat-concrete-compression-machines","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM \u2013 Automatic Compression Testing Machines for Blocks and Cylinders - 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