{"id":3059,"date":"2018-08-23T21:16:32","date_gmt":"2018-08-23T21:16:32","guid":{"rendered":"https:\/\/www.adcolegage.com\/fr\/?p=3059"},"modified":"2026-04-14T19:30:44","modified_gmt":"2026-04-14T19:30:44","slug":"have-you-purchased-a-diameter-gage-or-a-roundness-gage","status":"publish","type":"post","link":"https:\/\/www.adcolegage.com\/fr\/blog\/2018\/08\/23\/have-you-purchased-a-diameter-gage-or-a-roundness-gage\/","title":{"rendered":"Avez-vous achet\u00e9 un calibre de diam\u00e8tre ou un calibre de circularit\u00e9 ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3059\" class=\"elementor elementor-3059\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4abfc409 e-con-full e-flex e-con e-parent\" data-id=\"4abfc409\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-5a30b2d interior-banner interior-banner--grayscale e-flex e-con-boxed e-con e-child\" data-id=\"5a30b2d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-175e4935 e-con-full e-flex e-con e-child\" data-id=\"175e4935\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ab1c4aa heading1 elementor-widget elementor-widget-heading\" data-id=\"2ab1c4aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Avez-vous achet\u00e9 un calibre de diam\u00e8tre ou un calibre de circularit\u00e9 ?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f0b15b elementor-widget elementor-widget-heading\" data-id=\"5f0b15b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Documentation technique<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-657d0e80 e-flex e-con-boxed e-con e-child\" data-id=\"657d0e80\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23ecc5da elementor-hidden-mobile elementor-widget elementor-widget-hfe-breadcrumbs-widget\" data-id=\"23ecc5da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"hfe-breadcrumbs-widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav aria-label=\"Breadcrumb\"><ul class=\"hfe-breadcrumbs hfe-breadcrumbs-show-home\"><li 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elementor-hidden-desktop elementor-hidden-tablet elementor-view-default elementor-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"632f0452\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"\/\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Back to Previous\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-left\"><\/i>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"\/\" >\n\t\t\t\t\t\t\tBack to Previous\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/span>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ac560df elementor-widget elementor-widget-post-info\" data-id=\"3ac560df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-2492c82 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>23\/08\/2018<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-400bcd65 e-flex e-con-boxed e-con e-parent\" data-id=\"400bcd65\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3a34576b e-con-full e-flex e-con e-child\" data-id=\"3a34576b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11bf39bf elementor-widget elementor-widget-text-editor\" data-id=\"11bf39bf\" 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<p>Adcole<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74205b92 elementor-widget elementor-widget-text-editor\" data-id=\"74205b92\" 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<p>Si c&rsquo;est la premi\u00e8re fois que vous achetez un calibre cylindrique, vous aurez le choix entre une large gamme de produits. Pour les pi\u00e8ces cylindriques, vous pouvez choisir entre une machine qui effectue des mesures radiales \u00e0 l&rsquo;aide d&rsquo;une sonde \u00e0 point unique (g\u00e9n\u00e9ralement un calibre de circularit\u00e9) ou une machine qui utilise des points de contact pour mesurer le diam\u00e8tre (un calibre de diam\u00e8tre). Chacune a des applications sp\u00e9cifiques. Dans les deux cas, les transducteurs de mesure fonctionnent perpendiculairement \u00e0 l&rsquo;axe de la pi\u00e8ce. Avec le calibre \u00e0 pointe oppos\u00e9e, il est moins critique de contr\u00f4ler l&rsquo;axe de la pi\u00e8ce par rapport aux sondes de mesure. Un faux-rond relativement important dans la broche a moins d&rsquo;effet sur le type de mesure (diam\u00e8tres) qu&rsquo;elle effectue. Lorsque la pi\u00e8ce se d\u00e9place vers une sonde, elle s&rsquo;\u00e9loigne de l&rsquo;autre. La mesure de la taille relative de la pi\u00e8ce reste donc la m\u00eame (bien que le mouvement vertical de la pi\u00e8ce puisse affecter le r\u00e9sultat lorsqu&rsquo;un suiveur arrondi est utilis\u00e9). Avec un tel syst\u00e8me, il est possible d&rsquo;utiliser une broche moins co\u00fbteuse avec un faux-rond relativement \u00e9lev\u00e9 sans nuire \u00e0 la mesure.<\/p><p><strong>Cependant, un syst\u00e8me \u00e0 deux points n&rsquo;est pas suffisant pour mesurer la circularit\u00e9. Voici pourquoi :<\/strong><\/p><p>Imaginez un cylindre avec un motif en trois quarts ou en \u00ab tr\u00e8fle \u00bb autour de sa circonf\u00e9rence. Lorsque l&rsquo;une des sondes entre dans une vall\u00e9e, l&rsquo;autre s&rsquo;approche d&rsquo;un pic. Pour le calibre de diam\u00e8tre \u00e0 deux points, cette pi\u00e8ce semble ronde. Ce n&rsquo;est certainement pas ce que nous voulons lorsque nous mesurons une caract\u00e9ristique aussi importante que la circularit\u00e9 ! Au lieu de cela, un calibre \u00e0 point de contact unique (radial) est n\u00e9cessaire. (Remarque : ce type de jauge touche un point \u00e0 la fois, mais la pi\u00e8ce est tourn\u00e9e pour collecter l&rsquo;ensemble complet des donn\u00e9es). La jauge \u00e0 contact unique peut offrir bien plus que des mesures de diam\u00e8tre. Cependant, cela a un co\u00fbt. Pour effectuer des mesures radiales pr\u00e9cises, nous devons contr\u00f4ler l&rsquo;axe de la pi\u00e8ce pendant qu&rsquo;elle tourne pour la mesure. Cela n\u00e9cessite un syst\u00e8me capable de serrer fermement la pi\u00e8ce tout en introduisant tr\u00e8s peu d&rsquo;erreur de faux-rond. Une broche de pr\u00e9cision est donc essentielle avec ce calibre. Si l&rsquo;on tient compte du poids de la pi\u00e8ce, il faut un type de broche de pr\u00e9cision hautement sp\u00e9cialis\u00e9. Cela explique en grande partie la diff\u00e9rence de prix entre un calibre de diam\u00e8tre et un calibre de circularit\u00e9 ou de profil.<\/p><p><strong>Une erreur courante consiste \u00e0 acheter un calibre \u00e0 deux points en fonction du prix, pour se rendre compte par la suite qu&rsquo;il ne permet pas de contr\u00f4ler des caract\u00e9ristiques importantes telles que le profil, les vibrations et la circularit\u00e9.<\/strong><\/p><p>Mais l\u00e0 o\u00f9 le calibre \u00e0 deux points de contact ne peut pas vous donner la circularit\u00e9, le calibre \u00e0 un seul point de contact peut vous donner un diam\u00e8tre. En effet, l&rsquo;ensemble du nuage de points est stock\u00e9 par rapport au centre pr\u00e9cis de la pi\u00e8ce. Il suffit donc d&rsquo;appliquer quelques calculs math\u00e9matiques pour obtenir un diam\u00e8tre moyen, un diam\u00e8tre maximal-minimal \u00e0 deux points, etc.<\/p><p>M\u00e9fiez-vous des jauges \u00e0 deux points qui tentent d&rsquo;imiter les r\u00e9sultats des jauges \u00e0 un seul point. Des termes tels que \u00ab circularit\u00e9 diam\u00e9trale \u00bb et \u00ab ovalit\u00e9 \u00bb sont utilis\u00e9s comme tentatives math\u00e9matiques pour approximer une mesure de circularit\u00e9. Aucune exception permettant la manipulation des donn\u00e9es du c\u00f4t\u00e9 oppos\u00e9 n&rsquo;est pr\u00e9vue dans les normes de circularit\u00e9 (ISO, ANSI ou JIS). Bien que la mesure de l&rsquo;ovalit\u00e9 puisse avoir une certaine valeur (mais il existe de meilleurs moyens de quantifier une telle erreur), elle ne remplace PAS une v\u00e9ritable mesure de circularit\u00e9.<\/p><p>Il est parfois utile d&rsquo;investir un peu plus au d\u00e9part pour obtenir une jauge capable d&rsquo;effectuer TOUTES les mesures requises par votre projet ou un projet futur.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12fb418b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"12fb418b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d84250a elementor-icon-list--layout-inline elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"d84250a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">CCMM<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Calibres d'arbres GD&amp;T<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-407ac3bf e-con-full e-flex e-con e-child\" data-id=\"407ac3bf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-18d01edc elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"18d01edc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40fa99f7 elementor-widget elementor-widget-text-editor\" data-id=\"40fa99f7\" 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<p>Instruments et logiciels associ\u00e9s<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a8b96cc elementor-align-end elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"1a8b96cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.adcolegage.com\/fr\/shaft-metrology\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Calibres Adcole pour la circularit\u00e9 et le diam\u00e8tre<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-783667b4 e-flex e-con-boxed e-con e-parent\" data-id=\"783667b4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5f19e043 e-con-full e-flex e-con e-child\" data-id=\"5f19e043\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-28b64426 e-con-full e-flex e-con e-child\" data-id=\"28b64426\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-694788e3 eyebrow-heading elementor-widget elementor-widget-heading\" data-id=\"694788e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Vous avez des questions ?<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14264fb2 heading3 elementor-widget elementor-widget-heading\" data-id=\"14264fb2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contactez nos experts<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c52cc2 e-con-full e-flex e-con e-child\" data-id=\"c52cc2\" data-element_type=\"container\" data-e-type=\"container\" 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