{"id":11992,"date":"2023-08-10T01:07:22","date_gmt":"2023-08-10T01:07:22","guid":{"rendered":"https:\/\/hgmachinetools.com\/?p=11992"},"modified":"2023-08-16T00:44:05","modified_gmt":"2023-08-16T00:44:05","slug":"what-causes-machining-centre-accuracy-to-deteriorate","status":"publish","type":"post","link":"https:\/\/hgmachinetools.com\/fr\/blog\/quelles-causes-la-deterioration-de-la-precision-du-centre-dusinage\/","title":{"rendered":"Quelles sont les causes de la d\u00e9t\u00e9rioration de la pr\u00e9cision du centre d&#039;usinage"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"11992\" class=\"elementor elementor-11992\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-5af0405 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5af0405\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-25610b5\" data-id=\"25610b5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5eb789b wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"5eb789b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-primary wd-title-style-underlined wd-title-size-medium text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-xl\">Qu\u2019est-ce qui cause la d\u00e9t\u00e9rioration de la pr\u00e9cision du centre d\u2019usinage ?<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\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-d58be03 elementor-widget elementor-widget-wd_text_block\" data-id=\"d58be03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h5>Premi\u00e8rement, la mauvaise pr\u00e9cision d&#039;usinage des pi\u00e8ces<\/h5><p>G\u00e9n\u00e9ralement en raison de l&#039;installation et du r\u00e9glage, la dynamique d&#039;avance entre les axes n&#039;est pas ajust\u00e9e en fonction de l&#039;erreur, ou en raison de l&#039;usure, la cha\u00eene de transmission de l&#039;axe de la machine-outil a chang\u00e9 (comme le jeu de vis, les changements d&#039;erreur de pas, l&#039;axe fluctuation, etc.). Peut \u00eatre r\u00e9solu en r\u00e9ajustant et en modifiant le montant de la compensation de jeu. Si l&#039;erreur de suivi dynamique est trop importante et d\u00e9clenche une alarme, vous pouvez v\u00e9rifier\u00a0: si la vitesse du servomoteur est trop \u00e9lev\u00e9e\u00a0; les composants de d\u00e9tection de position sont bons\u00a0; le connecteur du c\u00e2ble de retour de position est en bon contact\u00a0; le verrou de sortie analogique correspondant, le potentiom\u00e8tre de gain est bon\u00a0; si le dispositif de servomoteur correspondant est normal.<\/p><h5><strong>Deuxi\u00e8mement, le mouvement de la machine-outil provoqu\u00e9 par un d\u00e9passement d&#039;une mauvaise pr\u00e9cision d&#039;usinage<\/strong><\/h5><p>Le temps d&#039;acc\u00e9l\u00e9ration et de d\u00e9c\u00e9l\u00e9ration est peut-\u00eatre trop court, il peut \u00eatre appropri\u00e9 de prolonger le temps de changement de vitesse\u00a0; il se peut \u00e9galement que la connexion entre le servomoteur et la vis soit desserr\u00e9e ou que la rigidit\u00e9 soit trop mauvaise, il peut \u00eatre appropri\u00e9 de r\u00e9duire le gain de la boucle de position.<\/p><h5><strong>Troisi\u00e8mement, liaison \u00e0 deux axes lorsque la rondeur de la surdiff\u00e9rence<\/strong><\/h5><p>1. D\u00e9formation axiale du cercle<\/p><p>Ce type de d\u00e9formation peut \u00eatre provoqu\u00e9 par un mauvais r\u00e9glage de la machine. Une mauvaise pr\u00e9cision de positionnement des axes ou une mauvaise compensation de l&#039;\u00e9cartement des vis entra\u00eenera une erreur de rondeur lors du franchissement du quadrant.<\/p><p>2. Erreur d&#039;ellipse inclin\u00e9e (ellipse dans une direction de 45 degr\u00e9s)<\/p><p>Dans ce cas, la valeur d&#039;erreur de position de chaque axe doit \u00eatre v\u00e9rifi\u00e9e. Si l&#039;erreur est trop importante, elle peut \u00eatre \u00e9limin\u00e9e en ajustant le gain de l&#039;anneau de position. V\u00e9rifier ensuite que la carte d&#039;interface de l&#039;onduleur ou du synchroniseur \u00e0 induction est correctement r\u00e9gl\u00e9e, puis v\u00e9rifier que le jeu m\u00e9canique de la bo\u00eete de vitesses n&#039;est pas trop important et que la compensation du jeu est appropri\u00e9e.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Quelles sont les causes de la d\u00e9t\u00e9rioration de la pr\u00e9cision du centre d&#039;usinage ? Tout d&#039;abord, la faible pr\u00e9cision d&#039;usinage des pi\u00e8ces. G\u00e9n\u00e9ralement due \u00e0 l&#039;installation et au r\u00e9glage,<\/p>","protected":false},"author":1,"featured_media":12003,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-11992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-share"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.6.0 - aioseo.com -->\n\t\t<meta name=\"description\" content=\"What causes machining centre accuracy to deteriorate? 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01:07:22","updated":"2024-01-24 03:23:16"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/hgmachinetools.com\/fr\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/hgmachinetools.com\/fr\/blog\/category\/partage-de-connaissances\/\" title=\"Knowledge Share\">Knowledge Share<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tWhat Causes Machining Centre Accuracy To Deteriorate\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/hgmachinetools.com\/fr"},{"label":"Knowledge Share","link":"https:\/\/hgmachinetools.com\/fr\/blog\/category\/partage-de-connaissances\/"},{"label":"What Causes Machining Centre Accuracy To 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