{"id":5223,"date":"2024-07-31T00:14:08","date_gmt":"2024-07-30T20:44:08","guid":{"rendered":"https:\/\/polymertest.com\/asp_product\/notching-machine-scg\/"},"modified":"2025-12-28T14:11:10","modified_gmt":"2025-12-28T10:41:10","slug":"charpy-izod-notching-machine-sample-preparation-iso-179","status":"publish","type":"asp_product","link":"https:\/\/polymertest.com\/en\/product_en\/charpy-izod-notching-machine-sample-preparation-iso-179\/","title":{"rendered":"Notching Machine (Charpy &#038; Izod Sample Prep)"},"content":{"rendered":"<h2>Charpy and Izod Notching Machine: Precision Sample Preparation<\/h2>\n<p>In material testing, the accuracy of your data is only as good as the quality of your sample. This is especially true for Impact Testing (Charpy\/Izod), where the depth and radius of the notch determine the breakage energy. The <strong>Notching Machine<\/strong> allows laboratory operators to cut precise <strong>V-notches<\/strong> and <strong>U-notches<\/strong> into plastic bars, creating the standard &#8220;point of weakness&#8221; required by international norms.<\/p>\n<h3>Why is a Dedicated Notcher Essential?<\/h3>\n<p>Trying to cut a notch by hand or with non-standard tools introduces micro-cracks and stress variations. This machine ensures:<\/p>\n<ul>\n<li><strong>Standardized Geometry:<\/strong> The specialized blade cuts the exact angle (usually 45\u00b0) and radius (0.25mm or 1.0mm) defined by the standard.<\/li>\n<li><strong>Reproducibility:<\/strong> Ensures that every single specimen breaks under the same conditions, making your quality control data reliable.<\/li>\n<li><strong>Adjustable Depth:<\/strong> A micrometer allows the operator to set the remaining width (ligament) of the sample with high precision.<\/li>\n<\/ul>\n<h3>Preparation for Environmental Testing<\/h3>\n<p>Samples prepared on this machine are often subjected to rigorous testing conditions, including extreme cold (down to -45\u00b0C). A perfect notch is vital when assessing the <strong>Brittle-Ductile Transition<\/strong> temperature of polymers. Any imperfection in the notch would cause premature failure during these sensitive thermal tests.<\/p>\n<h3>Alternative Preparation Methods<\/h3>\n<p>For laboratories requiring high-volume automation or dumbbell shape cutting in addition to notching, we also recommend considering our <strong><a href=\"https:\/\/polymertest.com\/en\/product_en\/laboratory-cnc-milling-machine-specimen-preparation\">Laboratory CNC Milling Machine<\/a><\/strong>. While the Notching Machine is perfect for single notches, the CNC offers versatile shaping capabilities.<\/p>\n<h3>International Standards Compliance<\/h3>\n<p>This device prepares samples in strict accordance with:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/www.iso.org\/standard\/84393.html\" target=\"_blank\" rel=\"nofollow noopener\">ISO 179<\/a><\/strong>: Plastics \u2014 Determination of Charpy impact properties.<\/li>\n<li><strong><a href=\"https:\/\/www.iso.org\/standard\/84394.html\" target=\"_blank\" rel=\"nofollow noopener\">ISO 180<\/a><\/strong>: Plastics \u2014 Determination of Izod impact strength.<\/li>\n<li><strong><a href=\"https:\/\/store.astm.org\/d0256-10r18.html\" target=\"_blank\" rel=\"nofollow noopener\">ASTM D256<\/a><\/strong>: Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics.<\/li>\n<\/ul>\n<h3>Consultation and Purchase<\/h3>\n<p>To acquire this essential sample preparation tool, please click the <strong>&#8220;Contact for Purchase&#8221;<\/strong> button to message our sales team via WhatsApp. You can also visit our <strong><a href=\"https:\/\/polymertest.com\/en\/contact-us\/\">Contact Us<\/a><\/strong> page for further assistance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Charpy and Izod Notching Machine is a critical sample preparation tool designed to cut precise V-shaped or U-shaped notches into plastic and composite specimens. By using a high-hardness adjustable blade, this device creates a standardized stress concentration point on the sample, ensuring that subsequent impact tests (conducted per ISO 179, ISO 180, and ASTM D256) yield reproducible and valid results.<\/p>\n","protected":false},"featured_media":3291,"template":"","meta":[],"asp_product_taxonomy":[1621,1622],"class_list":["post-5223","asp_product","type-asp_product","status-publish","has-post-thumbnail","hentry","asp_product_taxonomy-laboratory-equipment-for-all-types-of-polymer-pipes-and-fittings-en","asp_product_taxonomy-lab-equipment-materials-polymers"],"_links":{"self":[{"href":"https:\/\/polymertest.com\/en\/wp-json\/wp\/v2\/asp_product\/5223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/polymertest.com\/en\/wp-json\/wp\/v2\/asp_product"}],"about":[{"href":"https:\/\/polymertest.com\/en\/wp-json\/wp\/v2\/types\/asp_product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/polymertest.com\/en\/wp-json\/wp\/v2\/media\/3291"}],"wp:attachment":[{"href":"https:\/\/polymertest.com\/en\/wp-json\/wp\/v2\/media?parent=5223"}],"wp:term":[{"taxonomy":"asp_product_taxonomy","embeddable":true,"href":"https:\/\/polymertest.com\/en\/wp-json\/wp\/v2\/asp_product_taxonomy?post=5223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}