{"id":4414,"date":"2017-08-01T21:38:31","date_gmt":"2017-08-01T21:38:31","guid":{"rendered":"http:\/\/www.novacam.com\/?page_id=4414"},"modified":"2021-04-09T11:49:00","modified_gmt":"2021-04-09T15:49:00","slug":"cooling-holes-inspection","status":"publish","type":"page","link":"https:\/\/www.novacam.com\/fr\/applications\/inspection-des-trous-de-refroidissement\/","title":{"rendered":"Trous de refroidissement"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ba9bi-f242dcaadbd7a13612e913ffc7cf96c8\">\n.flex_column.av-ba9bi-f242dcaadbd7a13612e913ffc7cf96c8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-ba9bi-f242dcaadbd7a13612e913ffc7cf96c8 av_one_full  avia-builder-el-0  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-in6wim-1b5ac0ffb5a092418c1f4bb4451d042b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Inspection des trous de refroidissement<\/h1>\n<p><strong>Syst\u00e8me de mesure : <\/strong>NOVACAM<sup><small>TM<\/small><\/sup> <a href=\"https:\/\/www.novacam.com\/fr\/products\/edgeinspect-pour-la-metrologie-du-rayon-des-aretes-en-3d\/\">EDGEINSPECT<sup><small>TM<\/small><\/sup><\/a> syst\u00e8me<br \/>\n<strong>Mots-cl\u00e9s :<\/strong>\u00a0industrie a\u00e9rospatiale, industrie de l'\u00e9nergie, aubes de turbine, moteurs \u00e0 combustion de gaz<\/p>\n<h2>Fonction et caract\u00e9risation des trous de refroidissement<\/h2>\n<p>Pour \u00e9viter les d\u00e9faillances des moteurs \u00e0 combustion dues \u00e0 la chaleur, de multiples petits trous de refroidissement sont perc\u00e9s dans les aubes creuses des turbines afin d'\u00e9vacuer l'air de refroidissement de l'int\u00e9rieur de l'aube vers sa surface. Les g\u00e9om\u00e9tries des trous de refroidissement sont devenues plus complexes au fil du temps afin d'am\u00e9liorer leur efficacit\u00e9 fonctionnelle.<\/p>\n<p>NOVACAM<sup><small>TM<\/small><\/sup> EDGEINSPECT<sup><small>TM<\/small><\/sup> offre des capacit\u00e9s avanc\u00e9es en mati\u00e8re d'inspection des trous de refroidissement. Ce syst\u00e8me d'inspection sans contact acquiert une topographie 3D de haute pr\u00e9cision des surfaces \u00e0 grande vitesse (2 100 \u00e0 100 000 points 3D par seconde). En un seul passage sur une pale de turbine, le scanner du syst\u00e8me acquiert un nuage de points 3D tr\u00e8s dense de la surface, ce qui permet de caract\u00e9riser :<\/p>\n<ul>\n<li>La forme de l'ouverture du diffuseur<\/li>\n<li>Une partie du diam\u00e8tre int\u00e9rieur (ID) du trou de refroidissement (qui peut \u00eatre \u00e9tendu en variant l'angle de balayage)<\/li>\n<li>Le centre g\u00e9om\u00e9trique du trou traversant<\/li>\n<li>L'angle d'inclinaison du trou de passage<\/li>\n<li>Le profil, l'ondulation et la rugosit\u00e9 de la surface inf\u00e9rieure acquise du trou de refroidissement<\/li>\n<li>Variabilit\u00e9 dimensionnelle de chaque trou par rapport \u00e0 un mod\u00e8le CAO.<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6at6b2-2a940214f214bb47db159dcfa2e88e64\">\n.flex_column.av-6at6b2-2a940214f214bb47db159dcfa2e88e64{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6at6b2-2a940214f214bb47db159dcfa2e88e64 av_one_half  avia-builder-el-2  el_after_av_one_full  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jj498fub-5ef2a77a793175290c59a5e31010164c'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_5610\" style=\"width: 766px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-hole-diffuser-machining-tracks-orig-labeled.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5610\" class=\"wp-image-5610 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-hole-diffuser-machining-tracks-orig-labeled.jpg\" alt=\"\" width=\"756\" height=\"447\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-hole-diffuser-machining-tracks-orig-labeled.jpg 756w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-hole-diffuser-machining-tracks-orig-labeled-140x83.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-hole-diffuser-machining-tracks-orig-labeled-300x177.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-hole-diffuser-machining-tracks-orig-labeled-705x417.jpg 705w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-hole-diffuser-machining-tracks-orig-labeled-450x266.jpg 450w\" sizes=\"auto, (max-width: 756px) 100vw, 756px\" \/><\/a><p id=\"caption-attachment-5610\" class=\"wp-caption-text\">L'ouverture d'un trou de refroidissement r\u00e9v\u00e8le la forme \u00e0 double canal cr\u00e9\u00e9e par le forage.<\/p><\/div>\n<\/div><\/section><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-40yace-37d6f62db2ad09c7d20a5a7b5955fa6e\">\n.flex_column.av-40yace-37d6f62db2ad09c7d20a5a7b5955fa6e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-40yace-37d6f62db2ad09c7d20a5a7b5955fa6e av_one_half  avia-builder-el-4  el_after_av_one_half  el_before_av_one_full  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jj49carz-98d4356088170659f94017c8e6868884'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_5611\" style=\"width: 621px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-holes-with-fitted-cylinders-orig-labeled-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5611\" class=\"wp-image-5611 size-full\" src=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-holes-with-fitted-cylinders-orig-labeled-1.jpg\" alt=\"\" width=\"611\" height=\"505\" srcset=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-holes-with-fitted-cylinders-orig-labeled-1.jpg 611w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-holes-with-fitted-cylinders-orig-labeled-1-140x116.jpg 140w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-holes-with-fitted-cylinders-orig-labeled-1-300x248.jpg 300w, https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/01\/cooling-holes-with-fitted-cylinders-orig-labeled-1-450x372.jpg 450w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\" \/><\/a><p id=\"caption-attachment-5611\" class=\"wp-caption-text\">L'installation d'un cylindre sur la surface inf\u00e9rieure de chaque trou de refroidissement permet de d\u00e9terminer l'axe du trou de refroidissement et l'angle d'incidence (inclinaison) du trou de passage.<\/p><\/div>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2x3be6-412d866a7b23e194a037a2a6a0ef34cd\">\n.flex_column.av-2x3be6-412d866a7b23e194a037a2a6a0ef34cd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2x3be6-412d866a7b23e194a037a2a6a0ef34cd av_one_full  avia-builder-el-6  el_after_av_one_half  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-5f7232-8073fcc0d9d5c164f58fa8f3f71b6c92'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Installation polyvalente avec un syst\u00e8me LCI \u00e0 base de fibres<\/h2>\n<p>Le syst\u00e8me EDGEINSPECT est bas\u00e9 sur <a href=\"https:\/\/www.novacam.com\/fr\/technologie\/comment-fonctionne-le-lci\/\">technologie d'interf\u00e9rom\u00e9trie \u00e0 faible coh\u00e9rence<\/a>. Il s'agit \u00e9galement d'un syst\u00e8me optique modulaire \u00e0 base de fibres ; la sonde du scanner galvo est reli\u00e9e \u00e0 l'interf\u00e9rom\u00e8tre de traitement des signaux du syst\u00e8me par une fibre optique qui peut mesurer plusieurs m\u00e8tres de long. En tant que tel, le scanner galvo s'int\u00e8gre facilement \u00e0 un bras robotis\u00e9 ou comme composant de vision 3D dans les syst\u00e8mes automatis\u00e9s ou semi-automatis\u00e9s de l'usine.<\/p>\n<p>Voir un <a href=\"https:\/\/www.novacam.com\/fr\/technologie\/avantages\/\">liste plus compl\u00e8te des avantages des syst\u00e8mes LCI \u00e0 base de fibres NOVACAM<\/a>.<\/p>\n<h2>Inspection des trous de refroidissement dans les espaces restreints<\/h2>\n<p>Contrairement aux instruments de type microscope, le syst\u00e8me EDGEINSPECT peut \u00e9galement \u00eatre configur\u00e9 pour mesurer des surfaces en <a href=\"https:\/\/www.novacam.com\/fr\/applications\/les-espaces-difficiles-dacces\/\">les espaces difficiles d'acc\u00e8s<\/a>. Bien que le scanner galvo standard fourni avec le syst\u00e8me EDGEINSPECT soit l'option de balayage la plus rapide, un scanner rotatif de petit diam\u00e8tre peut \u00e9galement \u00eatre ajout\u00e9 ou remplac\u00e9 pour acqu\u00e9rir des trous de refroidissement dans des espaces restreints comme, par exemple, sur les surfaces int\u00e9rieures des pales de stator.<\/p>\n<ul style=\"list-style: none;\">\n<li>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-86d7a-fd5bf807169752905ae0e6f9489afa38\">\n.av_font_icon.av-86d7a-fd5bf807169752905ae0e6f9489afa38 .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  class='av_font_icon av-86d7a-fd5bf807169752905ae0e6f9489afa38 avia_animate_when_visible av-icon-style- avia-icon-pos-left av-no-color avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue80d' data-av_iconfont='entypo-fontello' ><\/span><\/span>\u00a0 Voir la vid\u00e9o correspondante :\u00a0<a href=\"https:\/\/www.novacam.com\/wp-content\/uploads\/2018\/06\/turbine-blade-inspection-video.jpg\/\">Inspection des aubes de turbine (00:02:30)<\/a><\/li>\n<\/ul>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fwyxf-d0f77978b5dff1d1367f98950eefe160\">\n.flex_column.av-fwyxf-d0f77978b5dff1d1367f98950eefe160{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-fwyxf-d0f77978b5dff1d1367f98950eefe160 av_one_full  avia-builder-el-9  el_after_av_one_full  el_before_av_one_fourth  first flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jhc3ylfa-e69f3d2ea4f1ca45379132611fcff224\">\n#top .av-special-heading.av-jhc3ylfa-e69f3d2ea4f1ca45379132611fcff224{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-jhc3ylfa-e69f3d2ea4f1ca45379132611fcff224 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-jhc3ylfa-e69f3d2ea4f1ca45379132611fcff224 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-jhc3ylfa-e69f3d2ea4f1ca45379132611fcff224 av-special-heading-h3  avia-builder-el-10  avia-builder-el-no-sibling'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Liens connexes<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tix1n-03fbeadfae75efb106c9dae7b5f0320c\">\n.flex_column.av-tix1n-03fbeadfae75efb106c9dae7b5f0320c{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-tix1n-03fbeadfae75efb106c9dae7b5f0320c av_one_fourth  avia-builder-el-11  el_after_av_one_full  el_before_av_one_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-24dm3-ba103b6d78fffee9b20fa453d4e54625'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.novacam.com\/pdf\/ApplicationNote_Cooling_Holes_Inspection.pdf\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3m1tdz-b270831ef608938363c1f22dc62478a6\">\n.av_font_icon.av-3m1tdz-b270831ef608938363c1f22dc62478a6 .av-icon-char{\nfont-size:30px;\nline-height:30px;\n}\n<\/style>\n<span  class='av_font_icon av-3m1tdz-b270831ef608938363c1f22dc62478a6 avia_animate_when_visible av-icon-style- avia-icon-pos-left av-no-color avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue82d' data-av_iconfont='entypo-fontello' ><\/span><\/span> T\u00e9l\u00e9charger la note d'application \"Inspection des trous de refroidissement\"<\/a>\u00a0[4 pages, PDF, 1 MB] pour plus de d\u00e9tails sur cette application<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-18g1gr-3fb8df32a9c94486c488f834c640d0cd\">\n.flex_column.av-18g1gr-3fb8df32a9c94486c488f834c640d0cd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-18g1gr-3fb8df32a9c94486c488f834c640d0cd av_one_fifth  avia-builder-el-14  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-3ncs3-9755d2f2237c148e459fbf79ca214fb4'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.novacam.com\/fr\/products\/edgeinspect-pour-la-metrologie-du-rayon-des-aretes-en-3d\/\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-waioz-15129e036111ecc60b49fc74d64c8916\">\n.av_font_icon.av-waioz-15129e036111ecc60b49fc74d64c8916 .av-icon-char{\nfont-size:30px;\nline-height:30px;\n}\n<\/style>\n<span  class='av_font_icon av-waioz-15129e036111ecc60b49fc74d64c8916 avia_animate_when_visible av-icon-style- avia-icon-pos-left av-no-color avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue826' data-av_iconfont='entypo-fontello' ><\/span><\/span> Voir la page produit du syst\u00e8me EDGEINSPECT<\/a><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tix1n-530b10d03969bfeb80ab87309988dedf\">\n.flex_column.av-tix1n-530b10d03969bfeb80ab87309988dedf{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-tix1n-530b10d03969bfeb80ab87309988dedf av_one_fourth  avia-builder-el-17  el_after_av_one_fifth  el_before_av_one_fourth  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-24dm3-ba103b6d78fffee9b20fa453d4e54625'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-cn0sb-06317cc36f0cbcb81254298732237865\">\n.av_font_icon.av-cn0sb-06317cc36f0cbcb81254298732237865 .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  class='av_font_icon av-cn0sb-06317cc36f0cbcb81254298732237865 avia_animate_when_visible av-icon-style- avia-icon-pos-left av-no-color avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue81e' data-av_iconfont='entypo-fontello' ><\/span><\/span>\u00a0 Consultez les applications connexes :<\/p>\n<ul>\n<li><a href=\"https:\/\/www.novacam.com\/fr\/applications\/blisk-inspection\/\">Inspection de Blisk<\/a><\/li>\n<li><a href=\"https:\/\/www.novacam.com\/fr\/applications\/edge-measurement\/\">Inspection des bords<\/a><\/li>\n<li><a href=\"https:\/\/www.novacam.com\/fr\/applications\/les-espaces-difficiles-dacces\/\">Mesures dans les endroits difficiles d'acc\u00e8s<\/a><\/li>\n<li><a href=\"https:\/\/www.novacam.com\/fr\/applications\/\">... et plus\u00a0<\/a><\/li>\n<\/ul>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-18g1gr-3fb8df32a9c94486c488f834c640d0cd\">\n.flex_column.av-18g1gr-3fb8df32a9c94486c488f834c640d0cd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-18g1gr-3fb8df32a9c94486c488f834c640d0cd av_one_fourth  avia-builder-el-20  el_after_av_one_fourth  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-3ncs3-9755d2f2237c148e459fbf79ca214fb4'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.novacam.com\/fr\/nous-contacter-2\/nous-contacter\/\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1v8pg3-48925116ff62d88059331475f774c943\">\n.av_font_icon.av-1v8pg3-48925116ff62d88059331475f774c943 .av-icon-char{\nfont-size:30px;\nline-height:30px;\n}\n<\/style>\n<span  class='av_font_icon av-1v8pg3-48925116ff62d88059331475f774c943 avia_animate_when_visible av-icon-style- avia-icon-pos-left av-no-color avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue80b' data-av_iconfont='entypo-fontello' ><\/span><\/span><\/a>\u00a0<a href=\"https:\/\/www.novacam.com\/fr\/nous-contacter-2\/nous-contacter\/\">Contactez nous<\/a>\u00a0ou <a href=\"https:\/\/www.novacam.com\/fr\/nous-contacter-2\/demander-un-echantillon-danalyse\/\">demander une analyse d'\u00e9chantillon gratuite<\/a> pour savoir si le syst\u00e8me EDGEINSPECT est adapt\u00e9 \u00e0 votre processus d'inspection des trous de refroidissement<\/p>\n<\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":5488,"menu_order":12,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"on","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":"","advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"class_list":["post-4414","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cooling Holes Inspection &amp; 3D metrology - 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