{"id":9113,"date":"2018-08-07T18:21:50","date_gmt":"2018-08-07T18:21:50","guid":{"rendered":"https:\/\/dev.novacam.com\/?p=9113"},"modified":"2021-09-08T09:28:15","modified_gmt":"2021-09-08T13:28:15","slug":"how-to-measure-1-mm-diameter-tubes-or-bores-using-novacams-thinnest-probes-yet","status":"publish","type":"post","link":"https:\/\/www.novacam.com\/fr\/2018\/08\/07\/how-to-measure-1-mm-diameter-tubes-or-bores-using-novacams-thinnest-probes-yet\/","title":{"rendered":"Comment mesurer des tubes ou des al\u00e9sages de 1 mm de diam\u00e8tre \u00e0 l'aide des sondes les plus fines de Novacam ?"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-atjwfd-f43c9381c89a3420456bdf6ab033114f\">\n.flex_column.av-atjwfd-f43c9381c89a3420456bdf6ab033114f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-atjwfd-f43c9381c89a3420456bdf6ab033114f av_four_fifth  avia-builder-el-0  el_before_av_three_fourth  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jkjvc3pl-3b6aae49d6259e37cdac31d1bddf2fc6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Comment mesurer des tubes ou des al\u00e9sages de 1 mm de diam\u00e8tre \u00e0 l'aide des sondes les plus fines de Novacam ?<\/h1>\n<p>Published on August 7, 2018<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-atjwfd-f43c9381c89a3420456bdf6ab033114f\">\n.flex_column.av-atjwfd-f43c9381c89a3420456bdf6ab033114f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-atjwfd-f43c9381c89a3420456bdf6ab033114f av_three_fourth  avia-builder-el-2  el_after_av_four_fifth  el_before_av_one_fourth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jkjvc3pl-3b6aae49d6259e37cdac31d1bddf2fc6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>This summer, Novacam is expanding our small-diameter optical probe offering to include the <strong>thinnest probes yet, with diameters of 0.5 mm<\/strong>!\u00a0With the newly launched 0.5 mm-diameter probes, quality control specialists in high-precision industries can now quickly and automatically measure spaces with inside diameters as small as 1 mm.<\/p>\n<p>As you may know, Novacam&#8217;s 3D metrology systems acquire surfaces using <strong>fiber-based non-contact optical probes<\/strong>. The probes are available in a range of diameter sizes, lengths, and models, including side-looking, forward-looking, and rotational.\u00a0\u00a0Depending on the needs of each inspection application, the\u00a0<strong>probes are either simply advanced into\/retracted out of a tight space during acquisition, or they are rotated inside the space to acquire measurements of the entire inside diameter (ID).\u00a0\u00a0<\/strong><\/p>\n<p>Let&#8217;s look at an example of a machined part with interesting internal features.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3jyw2x-951b910cb3a3ccb28fd12b8aaa1eed0d\">\n.flex_column.av-3jyw2x-951b910cb3a3ccb28fd12b8aaa1eed0d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3jyw2x-951b910cb3a3ccb28fd12b8aaa1eed0d av_one_fourth  avia-builder-el-4  el_after_av_three_fourth  el_before_av_one_fourth  flex_column_div av-zero-column-padding'     ><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8tsqll-17c19e9e535b5e97e53554d7057fa48a\">\n.flex_column.av-8tsqll-17c19e9e535b5e97e53554d7057fa48a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-8tsqll-17c19e9e535b5e97e53554d7057fa48a av_one_fourth  avia-builder-el-5  el_after_av_one_fourth  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jkk0bjw2-af533656ae61aced3bc5d53a8f7016f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_9107\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9107\" class=\"wp-image-9107\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-259x300.jpg\" alt=\"Threaded nut with 2.4-mm inside diameter\" width=\"300\" height=\"347\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-259x300.jpg 259w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-121x140.jpg 121w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-768x888.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-891x1030.jpg 891w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-610x705.jpg 610w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-450x520.jpg 450w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure-69x80.jpg 69w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_with_threads_to_measure.jpg 1254w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-9107\" class=\"wp-caption-text\">Threaded nut &#8211; more specifically, a threaded hex standoff #4-40, which is 0.250\u2033 (6.35 mm) long and with \u00a0minor diameter of\u00a0 0.0849&#8243; (2.15 mm)<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7zwzqx-22c1274f236f67a96ca95248e53cf0da\">\n.flex_column.av-7zwzqx-22c1274f236f67a96ca95248e53cf0da{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-7zwzqx-22c1274f236f67a96ca95248e53cf0da av_one_half  avia-builder-el-7  el_after_av_one_fourth  el_before_av_one_fourth  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-5x1azt-579b87770da2a6e683995884b474588b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Here we scanned a 1\/4&#8243; long threaded hex standoff nut with a #4-40 thread (with minor diameter ~ 0.0849&#8243;(2.15 mm)) using Novacam\u2019s <a href=\"https:\/\/www.novacam.com\/fr\/products\/tubeinspect-for-tube-id-and-od\/\">TubeInspect<\/a> system equipped with the 0.5-mm probe.<\/p>\n<p>The acquired point cloud of the ID, comprising over a 1\/4 million\u00a0<strong>micron-precision 3D measurements<\/strong>, is shown below. From this point cloud data,<strong> application software quickly determines critical inside parameters<\/strong>\u00a0such as thread characteristics, including:<\/p>\n<ul>\n<li>the thread pitch (or alternately threads-per-inch (TPI))<\/li>\n<li>the thread lead<\/li>\n<li>minor and major diameters, etc.<\/li>\n<\/ul>\n<p>With higher density scans such as this one, even defects can be easily detected and measured. The user selects the density of the point cloud depending on their application needs.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2r0snd-f35850717ef504d15ef9ec95624c614d\">\n.flex_column.av-2r0snd-f35850717ef504d15ef9ec95624c614d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2r0snd-f35850717ef504d15ef9ec95624c614d av_one_fourth  avia-builder-el-9  el_after_av_one_half  el_before_av_four_fifth  flex_column_div av-zero-column-padding  column-top-margin'     ><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3vyzmx-bb0aa3dd6646616aa4618f2694e442f4\">\n.flex_column.av-3vyzmx-bb0aa3dd6646616aa4618f2694e442f4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3vyzmx-bb0aa3dd6646616aa4618f2694e442f4 av_four_fifth  avia-builder-el-10  el_after_av_one_fourth  el_before_av_four_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jkk0bjw2-af533656ae61aced3bc5d53a8f7016f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_9106\" style=\"width: 1040px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9106\" class=\"wp-image-9106 size-large\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-1030x634.jpg\" alt=\"The acquired point cloud (viewed with PolyWorks geometric dimensioning and tolerancing (GD&amp;T) software). Measurements are in millimeters.\" width=\"1030\" height=\"634\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-1030x634.jpg 1030w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-140x86.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-300x185.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-768x472.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-1500x923.jpg 1500w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-705x434.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-450x277.jpg 450w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads-80x49.jpg 80w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Spacer_nut_ID_with_threads.jpg 1650w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/a><p id=\"caption-attachment-9106\" class=\"wp-caption-text\">The acquired point cloud (viewed with PolyWorks geometric dimensioning and tolerancing (GD&amp;T) software). Measurements are in millimeters.<\/p><\/div>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-jkk0bjw2-af533656ae61aced3bc5d53a8f7016f6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_9196\" style=\"width: 855px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9196\" class=\"wp-image-9196 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe.jpg\" alt=\"The 0.5-diameter probe easily enters the above measured hex standoff (#4-40).\u00a0 Here, the TubeInspect system was used, so the threaded nut was spun on a rotational stage while the probe was lowered inside.\u00a0 An alternate approach is to use the BoreInspect system, which spins and advances the probe into the part that remains stationery.\" width=\"845\" height=\"563\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe.jpg 845w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe-140x93.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe-300x200.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe-768x512.jpg 768w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe-705x470.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe-450x300.jpg 450w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/08\/Threaded-hex-standoff4-40-measured-with-0.5-mm-probe-80x53.jpg 80w\" sizes=\"auto, (max-width: 845px) 100vw, 845px\" \/><p id=\"caption-attachment-9196\" class=\"wp-caption-text\">The 0.5-diameter probe easily enters the above measured hex standoff (#4-40).\u00a0 Here, the TubeInspect system was used, so the threaded nut was spun on a rotational stage while the probe was lowered inside.\u00a0 An alternate approach is to use the BoreInspect system, which spins and advances the probe into the part that remains stationery.<\/p><\/div>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-21katl-8e1c262d5cdc649a720509f214b41749\">\n.flex_column.av-21katl-8e1c262d5cdc649a720509f214b41749{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-21katl-8e1c262d5cdc649a720509f214b41749 av_four_fifth  avia-builder-el-13  el_after_av_four_fifth  el_before_av_one_fifth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jkjvf8u9-5f98cc73d0df968d952d9611bdec24b1'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Along with small-diameter probes that reach inside hard-to-reach spaces, Novacam systems offer important benefits:<\/p>\n<ul>\n<li>Non-contact, non-destructive measurement<\/li>\n<li>Micron or sub-micron precision<\/li>\n<li>Efficient scanning &#8211; acquiring 2,100 to 100,000 3D points per second &#8211; to provide rich data sets for analysis<\/li>\n<li>Ability to measure even high-aspect-ratio features such as threads, grooves, splines, or steps inside tight spaces<\/li>\n<li>Versatility of system integration and deployment \u2013 including in automated inspection on production floors and in hostile environments (radioactive, very hot or cryogenic).<\/li>\n<\/ul>\n<p>Novacam non-contact 3D metrology systems perform in <strong>many high-precision industries, <\/strong>including\u00a0aerospace, automotive, medical instrumentation, defense, electronics, biomedical, precision mold-making, machining, and 3D printing. Often, they provide a <strong>solution<\/strong>\u00a0<strong>for metrology applications that few others are able to address:<\/strong>\u00a0non-contact measurements inside <a href=\"https:\/\/www.novacam.com\/fr\/applications\/mesure-du-trou-de-forage\/\">bores<\/a>, <a href=\"https:\/\/www.novacam.com\/fr\/applications\/rivet-hole-rivet-flushness-inspection\/\">trous de rivets perc\u00e9s<\/a>, <a href=\"https:\/\/www.novacam.com\/fr\/applications\/mesure-de-lidentification-et-du-diametre-du-tube\/\">injector nozzles, barrels, tubes, shafts,<\/a>\u00a0jet engine <a href=\"https:\/\/www.novacam.com\/fr\/applications\/blisk-inspection\/\">turbine blisks<\/a> or fir tree slots, orthopedic implants with inner threads, and more.<\/p>\n<p>While two of Novacam products &#8211; the <a href=\"https:\/\/www.novacam.com\/fr\/products\/tubeinspect-for-tube-id-and-od\/\">TubeInspect<\/a> and the\u00a0<a href=\"https:\/\/www.novacam.com\/fr\/products\/boreinspect\/\">BoreInspect<\/a> &#8211; are often the perfect match for inspection applications concerning hard-to-reach spaces, custom solutions are also available.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6to2nt-51e12809f1af293f99ab49a039b2c9d9\">\n.flex_column.av-6to2nt-51e12809f1af293f99ab49a039b2c9d9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6to2nt-51e12809f1af293f99ab49a039b2c9d9 av_one_fifth  avia-builder-el-15  el_after_av_four_fifth  el_before_av_hr  flex_column_div av-zero-column-padding'     ><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jkoesj2j-9b3a1e2e3911644b7c03640c7405f477\">\n#top .hr.hr-invisible.av-jkoesj2j-9b3a1e2e3911644b7c03640c7405f477{\nmargin-top:-20px;\nheight:1px;\n}\n<\/style>\n<div  class='hr av-jkoesj2j-9b3a1e2e3911644b7c03640c7405f477 hr-invisible  avia-builder-el-16  el_after_av_one_fifth  el_before_av_two_fifth'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-581bax-45968cf977c1a46167a9dd12e20221fe\">\n.flex_column.av-581bax-45968cf977c1a46167a9dd12e20221fe{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-581bax-45968cf977c1a46167a9dd12e20221fe av_two_fifth  avia-builder-el-17  el_after_av_hr  el_before_av_one_fourth  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-jkjvf8u9-f9eeeba969bc0a2d0999eb0e17e03148'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: left;\">Do you need to measure surfaces in tight spaces?<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3i3l8p-c05e2cae05f0b2f3157a3245207010de\">\n.flex_column.av-3i3l8p-c05e2cae05f0b2f3157a3245207010de{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3i3l8p-c05e2cae05f0b2f3157a3245207010de av_one_fourth  avia-builder-el-19  el_after_av_two_fifth  el_before_av_hr  flex_column_div av-zero-column-padding'     ><div  class='avia-button-wrap av-jkoi6qsv-17962cf642ab1b8df95a6447712ef85e-wrap avia-button-left  avia-builder-el-20  avia-builder-el-no-sibling'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jkoi6qsv-17962cf642ab1b8df95a6447712ef85e\">\n#top #wrap_all .avia-button.av-jkoi6qsv-17962cf642ab1b8df95a6447712ef85e{\nbackground-color:#ffa403;\nborder-color:#ffa403;\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-jkoi6qsv-17962cf642ab1b8df95a6447712ef85e .avia-svg-icon svg:first-child{\nfill:#ffffff;\nstroke:#ffffff;\n}\n<\/style>\n<a 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type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd\">\n.flex_column.av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-tix1n-8a7f8cc25c43c46e94cc3d44ce8407dd av_one_third  avia-builder-el-23  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-24dm3-ba103b6d78fffee9b20fa453d4e54625'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.novacam.com\/fr\/entreprise\/nouvelles\/\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2lu3yx-d51a9b47a383446087af26e41f8404c8\">\n.av_font_icon.av-2lu3yx-d51a9b47a383446087af26e41f8404c8 .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  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