{"id":5161,"date":"2016-10-24T09:51:18","date_gmt":"2016-10-24T09:51:18","guid":{"rendered":"http:\/\/www.profactor.at\/en\/?page_id=5161"},"modified":"2022-10-20T15:57:57","modified_gmt":"2022-10-20T14:57:57","slug":"crack-detection","status":"publish","type":"page","link":"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/","title":{"rendered":"Crack detection"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=&#8221;3\/4&#8243;][vc_column_text]<div class=\"overview-image-wrapper\"><div class=\"img\" style=\"background-image:url(https:\/\/www.profactor.at\/wp-content\/uploads\/2016\/10\/crackdectecion-Copy.jpg);\"\/><\/div><div class=\"overview-caption\"><\/div><\/div>[\/vc_column_text][vc_column_text]A crack can be detected by observing the temperature distribution and the heat flow over time. Whether or not the crack can actually be recognized with visual methods is irrelevant. Important however is the detection of a significantly affected heat transfer, caused by a crack in the material.<\/p>\n<p>There are different thermographic methods for crack detection and are explaind in the application examples:<\/p>\n<ul>\n<li>Laser induced crack detection<\/li>\n<li>heat induction by focused light<\/li>\n<li>Electromagnetic induction<\/li>\n<li>use of already existant heat from production process<\/li>\n<\/ul>\n<p>Different to visual inspection, thermographic methods also evaluate the change over time of the thermal signals. Especially in industrial environments, noise from reflections and inhomogeneous surface properties superpose the desired signal. Sophisticated time series analysis enables the suppression of such noise and allows us to have a robust and stable signal to identify defects.[\/vc_column_text][vc_column_text el_class=&#8221;overview-subpages&#8221;]<\/p>\n<h2>Application flieds:<\/h2>\n<div class=\"row\">\n            <div class=\"col-md-6 subpage-item\">\n                <h4><a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/crack-detection-in-production-cycle\/\">Crack detection for contineously moving parts<\/a><\/h4>\n                <a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/crack-detection-in-production-cycle\/\"><div class=\"img-wrapper\" style=\"background-image:url(https:\/\/www.profactor.at\/wp-content\/uploads\/2016\/10\/DEFECTOVISION-Anlage-01_web.jpg);\"><\/div><\/a>\n                <div class=\"description-wrapper\">Steel-billets can be checked for cracks automatically at transportation velocities of up to 1.5m\/s by inductive excitation. A coil induces an electrical current with high frequency in the region close to the surface of the billet. If there is a crack located in the path of the electrical c ...<\/div>\n            <\/div>\n        \n            <div class=\"col-md-6 subpage-item\">\n                <h4><a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/inline-crack-detection\/\">Crack detection in production cycle<\/a><\/h4>\n                <a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/inline-crack-detection\/\"><div class=\"img-wrapper\" style=\"background-image:url(https:\/\/www.profactor.at\/wp-content\/uploads\/2016\/10\/Risspr\u00fcfungimtakt_v2_web.jpg);\"><\/div><\/a>\n                <div class=\"description-wrapper\">In a cyclic production line, crack checking can be done by laser heating and heat-flux evaluation. If the specimen doesn\u2019t move, a pattern of laser points is heating up a surface area simultaneously, while a thermal camera records distribution and evolution of the surface temperature. Ev ...<\/div>\n            <\/div>\n        \n            <div class=\"col-md-6 subpage-item\">\n                <h4><a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/crack-detection-on-a-conveyor\/\">Crack detection on a conveyor belt<\/a><\/h4>\n                <a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/crack-detection-on-a-conveyor\/\"><div class=\"img-wrapper\" style=\"background-image:url(https:\/\/www.profactor.at\/wp-content\/uploads\/2016\/10\/02_Risspruefung_foederband_web.jpg);\"><\/div><\/a>\n                <div class=\"description-wrapper\">The specimen is transported by a conveyor belt, passing an array or Xenon-spots, which act as a heat source. An array of heated lines, distributing their heat to each side is the result. If there is a crack located in the path of the distributing heat, a discontinuity in the temperature pr ...<\/div>\n            <\/div>\n        \n            <div class=\"col-md-6 subpage-item\">\n                <h4><a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/crack-detection-with-robots\/\">Crack detection with robots<\/a><\/h4>\n                <a href=\"https:\/\/www.profactor.at\/en\/solutions\/industrial-inspection\/crack-detection-by-thermography\/crack-detection\/crack-detection-with-robots\/\"><div class=\"img-wrapper\" style=\"background-image:url(https:\/\/www.profactor.at\/wp-content\/uploads\/2016\/07\/Thermobot2_web.jpg);\"><\/div><\/a>\n                <div class=\"description-wrapper\">In case of specimen with a more complex geometry, a robot is used to handle such parts, and to scan the surface for cracks. Based on the CAD-data, the controlling unit calculates an optimal path, which is then implemented by the robot to check the entire area. The evaluation unit sends the ...<\/div>\n            <\/div>\n        <\/div>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/4&#8243; el_class=&#8221;page-sidebar page-reference-sidebar&#8221;][vc_column_text el_class=&#8221;reference-person&#8221;]<\/p>\n<div class=\"img-wrapper\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-8431 size-full\" src=\"https:\/\/www.profactor.at\/wp-content\/uploads\/2016\/07\/cbreit_web2.jpg\" alt=\"\" width=\"300\" height=\"261\" \/><\/p>\n<\/div>\n<div class=\"reference\">\n<h4>Your contact<\/h4>\n<p><strong>Dr. Christoph Breitschopf<\/strong><br \/>\nCEO<\/p>\n<p>+43 72 52 885 0<br \/>\n&#x63;&#x68;&#x72;&#x69;&#x73;&#x74;&#x6f;&#x70;&#x68;&#x2e;&#x62;&#x72;&#x65;&#x69;&#x74;&#x73;&#x63;&#x68;&#x6f;&#x70;&#x66;&#x40;<span class=\"oe_displaynone\">null<\/span>&#x70;&#x72;&#x6f;&#x66;&#x61;&#x63;&#x74;&#x6f;&#x72;&#x2e;&#x61;&#x74;<\/p>\n<\/div>\n<p>[\/vc_column_text][vc_column_text el_class=&#8221;cta-area&#8221;]<\/p>\n<h3>We answer&#8230;<\/h3>\n<p><a class=\"btn cta\" href=\"mailto:christoph.breitschopf@profactor\">&#8230; your questions<\/a>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<div class=\"shariff shariff-align-flex-start shariff-widget-align-flex-start\"><ul class=\"shariff-buttons theme-round orientation-horizontal buttonsize-medium\"><li class=\"shariff-button linkedin shariff-nocustomcolor\" style=\"background-color:#1488bf\"><a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fwww.profactor.at%2Fen%2Fsolutions%2Findustrial-inspection%2Fcrack-detection-by-thermography%2Fcrack-detection%2F\" title=\"Bei LinkedIn teilen\" aria-label=\"Bei LinkedIn teilen\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#0077b5; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 27 32\"><path fill=\"#0077b5\" d=\"M6.2 11.2v17.7h-5.9v-17.7h5.9zM6.6 5.7q0 1.3-0.9 2.2t-2.4 0.9h0q-1.5 0-2.4-0.9t-0.9-2.2 0.9-2.2 2.4-0.9 2.4 0.9 0.9 2.2zM27.4 18.7v10.1h-5.9v-9.5q0-1.9-0.7-2.9t-2.3-1.1q-1.1 0-1.9 0.6t-1.2 1.5q-0.2 0.5-0.2 1.4v9.9h-5.9q0-7.1 0-11.6t0-5.3l0-0.9h5.9v2.6h0q0.4-0.6 0.7-1t1-0.9 1.6-0.8 2-0.3q3 0 4.9 2t1.9 6z\"\/><\/svg><\/span><\/a><\/li><\/ul><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=&#8221;3\/4&#8243;][vc_column_text][\/vc_column_text][vc_column_text]A crack can be detected by observing the temperature distribution and the heat flow over time. Whether or not the crack can actually be recognized with visual methods is irrelevant. Important however is the detection of a significantly affected heat transfer, caused by a crack in the material. There are different thermographic methods for &hellip;<\/p>\n","protected":false},"author":1,"featured_media":5167,"parent":395,"menu_order":40,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-5161","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/pages\/5161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/comments?post=5161"}],"version-history":[{"count":5,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/pages\/5161\/revisions"}],"predecessor-version":[{"id":15762,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/pages\/5161\/revisions\/15762"}],"up":[{"embeddable":true,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/pages\/395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/media\/5167"}],"wp:attachment":[{"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/media?parent=5161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/categories?post=5161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.profactor.at\/en\/wp-json\/wp\/v2\/tags?post=5161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}