{"id":15795,"date":"2025-08-05T15:09:38","date_gmt":"2025-08-05T13:09:38","guid":{"rendered":"https:\/\/www.servosis.com\/?p=15795"},"modified":"2025-08-11T11:13:18","modified_gmt":"2025-08-11T09:13:18","slug":"what-type-of-machine-do-you-need-to-test-large-specimens-in-compression","status":"publish","type":"post","link":"https:\/\/www.servosis.com\/en\/que-tipo-de-maquina-necesitas-para-ensayar-probetas-grandes-en-compresion\/","title":{"rendered":"What type of machine do you need to test large specimens in compression?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"15795\" class=\"elementor elementor-15795\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a60d52 elementor-section-boxed elementor-section-height-default elementor-section-height-default rt-parallax-bg-no\" data-id=\"2a60d52\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b1462d6\" data-id=\"b1462d6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b87abd elementor-widget elementor-widget-text-editor\" data-id=\"3b87abd\" data-element_type=\"widget\" data-e-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<h2><b>Testing large specimens in compression: a real technical challenge<\/b><\/h2><p><span style=\"font-weight: 400;\">When working with large specimens - be they concrete blocks, metal parts or composite materials - the technical requirements of the test change completely. It is not enough to have a standard compression machine: you need equipment with a high load capacity, a reinforced structure and high-precision measuring systems.<\/span><\/p><p><span style=\"font-weight: 400;\">At <\/span><a href=\"https:\/\/www.servosis.com\/en\/productos\/\"><span style=\"font-weight: 400;\">Servosis<\/span><\/a><span style=\"font-weight: 400;\">We have been designing and manufacturing customized testing machines for more than 30 years. We are familiar with the challenges involved in compressing large-volume specimens, whether in laboratories, R&amp;D or production facilities.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">That is why, in this article, we help you to understand what features a suitable machine should have for this type of test.<\/span><\/p><h2><b>What is considered a large test tube?<\/b><\/h2><p><span style=\"font-weight: 400;\">Although there is no single definition, we speak of large specimens when they exceed at least one of these conditions:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High physical dimensions (e.g. cubes or cylinders over 150 mm)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Considerable weight (tens or hundreds of kilos)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High structural strength (materials of high hardness or density)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Need to apply very high loads (more than 1000 kN).<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">These cases require not only a high load capacity, but also a specific mechanical arrangement to avoid unwanted deformations or measurement errors.<\/span><\/p><h2><b>Key characteristics of a compression machine for large specimens<\/b><\/h2><h3><b>Sufficient load capacity<\/b><\/h3><p><span style=\"font-weight: 400;\">The first step is to size the machine according to the type of specimen and the material to be tested. In general, machines with a nominal capacity of between 1000 and 3000 kN are used. This force must remain stable throughout the test, without oscillations or loss of precision, even in critical phases such as breakage.<\/span><\/p><p><span style=\"font-weight: 400;\">At Servosis, we evaluate the required load range and propose a configuration adjusted to the type of specimen and the applicable standards.<\/span><\/p><h3><b>2. High structural rigidity of the frame<\/b><\/h3><p><span style=\"font-weight: 400;\">A robust structure is essential to ensure that the deformation of the machine is minimal compared to that of the material. If the machine deforms when the load is applied, the test results are altered.<\/span><\/p><p><span style=\"font-weight: 400;\">Therefore, it is essential that the frame is constructed with large-section columns, machined bases and internal bracing to minimize any bending or twisting during the test.<\/span><\/p><h3><b>3. Wide and aligned compression plates<\/b><\/h3><p><span style=\"font-weight: 400;\">Large specimens require stable, flat and properly aligned contact surfaces. The plate system should allow uniform contact, without stress concentrations or slippage. In some cases, it is advisable to include tilting or self-centering plates to absorb small misalignments.<\/span><\/p><p><span style=\"font-weight: 400;\">In addition, the vertical run must be wide to allow the placement of specimens of different heights without complications.<\/span><\/p><h3><b>4. Precise and programmable control system<\/b><\/h3><p><span style=\"font-weight: 400;\">In this type of test, control of the load or travel speed must be precise and stable. A digital system with the ability to program ramps, maintain constant loads or record data in real time is essential to ensure the traceability and reproducibility of the test.<\/span><\/p><p><span style=\"font-weight: 400;\">The software developed by Servosis allows to control the test from a graphical interface, visualize the stress-strain curve, generate automatic reports and export data for further analysis.<\/span><\/p><h3><b>5. Reliable measurement adapted to large specimens<\/b><\/h3><p><span style=\"font-weight: 400;\">The data acquisition system should have high-resolution sensors and load cells suitable for the test range. In some cases, it may also be necessary to use contact or non-contact extensometers, if the actual specimen deformation during the test needs to be measured.<\/span><\/p><p><span style=\"font-weight: 400;\">It is essential that all sensors are calibrated and compatible with industry regulatory requirements (UNE, ISO, ASTM, etc.).<\/span><\/p><h2><b>What variables should you consider before choosing your machine?<\/b><\/h2><p><span style=\"font-weight: 400;\">Before making a decision on which machine to purchase, it is important to be clear about a number of variables that will directly influence the recommended configuration:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Type of material<\/b><span style=\"font-weight: 400;\">Structural concrete testing is not the same as testing technical composites or natural stone.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Applicable regulations<\/b><span style=\"font-weight: 400;\">Each standard defines specific dimensions, loads, speeds and criteria.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Test frequency<\/b><span style=\"font-weight: 400;\">The requirements in terms of robustness and reliability increase if the equipment is to be used intensively.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Specimen size<\/b><span style=\"font-weight: 400;\">It is advisable to define a range and foresee possible future needs.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Space available in the laboratory<\/b><span style=\"font-weight: 400;\">especially if double-spaced machines or special configurations are chosen.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Integration with existing systems<\/b><span style=\"font-weight: 400;\">if you already have an existing test management software, it may be necessary to ensure compatibility.<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul><h2><b>What can Servosis offer you?<\/b><\/h2><p><span style=\"font-weight: 400;\">At Servosis we do not work with closed solutions. Each machine is custom designed and manufactured according to the actual specifications of our customers. This allows us to offer compression equipment for large specimens that adapts to both the test and the operating environment.<\/span><\/p><p><span style=\"font-weight: 400;\">Our equipment is characterized by:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High robustness and stability<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Modular configuration (load, platens, software, sensors)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Customized design according to dimensions and loads<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compatibility with advanced acquisition systems<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Technical assistance and local support<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">In addition, we manufacture our own load cells and control systems, ensuring seamless integration and prompt after-sales service.<\/span><\/p><h2><b>Choose with technical criteria<\/b><\/h2><p><span style=\"font-weight: 400;\">Selecting the right machine for testing large specimens in compression is not a decision to be taken lightly. The right choice ensures accuracy, safety, regulatory compliance and long-term operational reliability.<\/span><\/p><p><span style=\"font-weight: 400;\">At Servosis, we offer you our technical know-how and customization capabilities to help you find the optimal solution. If you are looking for a compression machine that fits your real needs, <\/span><a href=\"https:\/\/www.servosis.com\/en\/contact-2\/\"><span style=\"font-weight: 400;\">do not hesitate to contact us. <\/span><\/a><span style=\"font-weight: 400;\">We will study your case without obligation.<\/span><\/p><p>\u00a0<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4c796b7 elementor-section-boxed elementor-section-height-default elementor-section-height-default rt-parallax-bg-no\" data-id=\"4c796b7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ba1a098\" data-id=\"ba1a098\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Ensayar probetas grandes en compresi\u00f3n: un reto t\u00e9cnico real Cuando se trabaja con probetas de gran tama\u00f1o \u2014ya sean bloques de hormig\u00f3n, piezas met\u00e1licas o materiales compuestos\u2014, las exigencias t\u00e9cnicas del ensayo cambian por completo. No basta con tener una m\u00e1quina de compresi\u00f3n est\u00e1ndar: se necesita un equipo con gran capacidad de carga, estructura reforzada [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":15801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-15795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/posts\/15795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/comments?post=15795"}],"version-history":[{"count":0,"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/posts\/15795\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/media\/15801"}],"wp:attachment":[{"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/media?parent=15795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/categories?post=15795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.servosis.com\/en\/wp-json\/wp\/v2\/tags?post=15795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}