{"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\/pt\/blog\/o-que-causa-a-deterioracao-da-precisao-do-centro-de-usinagem\/","title":{"rendered":"O que causa a deteriora\u00e7\u00e3o da precis\u00e3o do centro de usinagem"},"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\">O que causa a deteriora\u00e7\u00e3o da precis\u00e3o do centro de usinagem?<\/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>Primeiro, a baixa precis\u00e3o de usinagem das pe\u00e7as<\/h5><p>Geralmente devido \u00e0 instala\u00e7\u00e3o e ajuste, a din\u00e2mica de alimenta\u00e7\u00e3o entre os eixos n\u00e3o \u00e9 ajustada de acordo com o erro, ou devido ao uso de desgaste, a corrente de transmiss\u00e3o do eixo da m\u00e1quina-ferramenta mudou (como folga do parafuso, altera\u00e7\u00f5es de erro de passo, axial flutua\u00e7\u00e3o, etc.). Pode ser resolvido reajustando e alterando o valor da compensa\u00e7\u00e3o de folga. Se o erro de rastreamento din\u00e2mico for muito grande e alarme, voc\u00ea pode verificar: se a velocidade do servo motor est\u00e1 muito alta; os componentes de detec\u00e7\u00e3o de posi\u00e7\u00e3o s\u00e3o bons; o conector do cabo de feedback de posi\u00e7\u00e3o est\u00e1 com bom contato; a trava de sa\u00edda anal\u00f3gica correspondente, o potenci\u00f4metro de ganho \u00e9 bom; se o dispositivo servo correspondente est\u00e1 normal.<\/p><h5><strong>Em segundo lugar, o movimento da m\u00e1quina-ferramenta causado pela ultrapassagem da m\u00e1 precis\u00e3o de usinagem<\/strong><\/h5><p>Pode ser que o tempo de acelera\u00e7\u00e3o e desacelera\u00e7\u00e3o seja muito curto, pode ser apropriado prolongar o tempo de mudan\u00e7a de velocidade; tamb\u00e9m pode ser que a conex\u00e3o entre o servo motor e o parafuso esteja solta ou a rigidez seja muito fraca, pode ser apropriado para reduzir o ganho do circuito de posi\u00e7\u00e3o.<\/p><h5><strong>Terceiro, liga\u00e7\u00e3o de dois eixos quando a redondeza da sobrediferen\u00e7a<\/strong><\/h5><p>1. Deforma\u00e7\u00e3o axial do c\u00edrculo<\/p><p>Este tipo de deforma\u00e7\u00e3o pode ser causado pela m\u00e1quina n\u00e3o estar bem ajustada. A baixa precis\u00e3o de posicionamento dos eixos ou a compensa\u00e7\u00e3o inadequada da folga do parafuso levar\u00e3o a erros de circularidade ao cruzar o quadrante.<\/p><p>2. Erro de elipse inclinada (elipse na dire\u00e7\u00e3o de 45 graus)<\/p><p>Neste caso dever\u00e1 ser verificado o valor do erro de posi\u00e7\u00e3o de cada eixo. Se o erro for muito grande, ele poder\u00e1 ser eliminado ajustando o ganho do anel de posi\u00e7\u00e3o. Em seguida, verifique se a placa de interface do inversor ou sincronizador de indu\u00e7\u00e3o est\u00e1 configurada corretamente e, em seguida, verifique se a folga mec\u00e2nica da caixa de engrenagens n\u00e3o \u00e9 muito grande e se a compensa\u00e7\u00e3o de folga \u00e9 adequada.<\/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>O que faz com que a precis\u00e3o do centro de usinagem se deteriore? Primeiro, a baixa precis\u00e3o de usinagem das pe\u00e7as Geralmente devido \u00e0 instala\u00e7\u00e3o e ajuste,<\/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\/pt\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/hgmachinetools.com\/pt\/blog\/category\/compartilhar-conhecimento\/\" 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\/pt"},{"label":"Knowledge Share","link":"https:\/\/hgmachinetools.com\/pt\/blog\/category\/compartilhar-conhecimento\/"},{"label":"What Causes Machining Centre Accuracy To 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