{"id":678,"date":"2022-05-29T02:27:00","date_gmt":"2022-05-29T02:27:00","guid":{"rendered":"https:\/\/medical.oceanwp.org\/?p=78"},"modified":"2022-06-15T09:03:01","modified_gmt":"2022-06-15T09:03:01","slug":"kaj-je-cnc-stroj","status":"publish","type":"post","link":"https:\/\/mlm-engineering.com\/da\/kaj-je-cnc-stroj\/","title":{"rendered":"Hvad er en CNC-maskine?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"678\" class=\"elementor elementor-678\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4e4c574b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4e4c574b\" data-element_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-156f145e\" data-id=\"156f145e\" data-element_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-6d0ffa8d elementor-widget elementor-widget-text-editor\" data-id=\"6d0ffa8d\" data-element_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<p>En CNC-maskine er en computerstyret maskine til bearbejdning af mekanisk arbejde. Forkortelsen CNC kommer fra det engelske udtryk\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Numerical_control\">Numerisk computerstyring<\/a>. Selve udtrykket antyder det grundl\u00e6ggende princip for, hvordan disse maskiner fungerer. Det er derfor en computer med numeriske metoder. Disse leveres af dedikerede softwarev\u00e6rkt\u00f8jer, der styrer og overv\u00e5ger disse maskiner og deres n\u00f8glekomponenter. Servo- eller stepmotorer tager sig af v\u00e6rkt\u00f8jernes bev\u00e6gelser. CNC-maskinens grundl\u00e6ggende elektroniske enhed kaldes CNC-controlleren og kan opfattes som en slags mellemenhed mellem computeren og servo- eller stepmotorerne, som s\u00f8rger for bev\u00e6gelserne langs alle CNC-maskinens definerede akser.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7e5593 elementor-widget elementor-widget-text-editor\" data-id=\"e7e5593\" data-element_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<h2>Hvad er arbejdsprincippet for en CNC-maskine?<\/h2><p>Funktionsprincippet for en CNC-maskine er den pr\u00e6cise bearbejdning af materialet, som fastsp\u00e6ndes af et fastsp\u00e6ndingssystem, der sikrer, at materialet eller det objekt, der skal bearbejdes, er i en fast position. Arbejdsemnet placeres p\u00e5 et bestemt sted og forbliver der, indtil bearbejdningen er f\u00e6rdig. Oftest er det tilstr\u00e6kkeligt for CNC-stativet at variere v\u00e6rkt\u00f8jets position langs tre grundl\u00e6ggende akser, i X-, Y- og Z-retningen. I dag findes der naturligvis meget avancerede CNC-maskiner p\u00e5 markedet, som tillader v\u00e6rkt\u00f8jet at bev\u00e6ge sig i flere akser, disse kan bev\u00e6ge sig i op til utrolige otte akser, og de mest avancerede maskiner kan ogs\u00e5 bev\u00e6ge sig i mere end otte retninger, hvilket skal underst\u00f8ttes af et CNC-stativ.\u00a0<a href=\"https:\/\/www.poscope.com\/product\/pokeys57u\/\">CNC-styring<\/a>. I mods\u00e6tning til robotter, som ogs\u00e5 er computerstyrede maskiner og hovedsageligt bruges i produktionslinjer, har CNC-maskiner normalt emnet fastgjort i et kammer, og operat\u00f8ren placerer og fjerner det manuelt fra bearbejdningsomr\u00e5det.<\/p><h2>Hvad er de vigtigste komponenter i en CNC-maskine?<\/h2><p>Som tidligere n\u00e6vnt er computerprogrammet grundlaget for programmering af CNC-maskinen. CAD-CAM-softwarev\u00e6rkt\u00f8jer bruges til at skabe materialeforarbejdningsplanen. Disse tegninger, med planen, konverteres til G-kode, som forst\u00e5s af CNC-maskinen.  G-koden angiver positionerne for de akser, som maskinhovedet bev\u00e6ger sig langs. Hver linje fort\u00e6ller os derfor en ny akseposition for maskinen. M-koden, p\u00e5 den anden side, definerer de forskellige funktioner, der kan relateres til start, stop, fremf\u00f8ringshastighed, v\u00e6rkt\u00f8jsskift, \u00e5bning af kammerd\u00f8ren og s\u00e5 videre. Et af disse CNC-styresoftwarev\u00e6rkt\u00f8jer er Mach3, eller endnu bedre, en mere moderne version af det.\u00a0<a href=\"https:\/\/www.machsupport.com\/software\/mach4\/\">Mach4<\/a>.<\/p><p>Den n\u00e6ste meget vigtige komponent er maskinens mekaniske struktur. Det er ekstremt vigtigt for h\u00f8j pr\u00e6cision og robusthed over for endel\u00f8se gentagelser af aksebev\u00e6gelser. Is\u00e6r er stivheden i maskinens mekaniske struktur vigtig for n\u00f8jagtighed og gentagelsesn\u00f8jagtighed. P\u00e5 grund af de h\u00f8je belastninger er CNC-maskiner for det meste massive og tunge. Mekaniske komponenter har brug for regelm\u00e6ssig og omhyggelig vedligeholdelse for at f\u00e5 en lang levetid med foruddefinerede tidsintervaller, der er tilpasset maskinens arbejdstimer. Vedligeholdelsen skal ogs\u00e5 planl\u00e6gges n\u00f8je i forhold til produktionen.<\/p><p>Kilde: http:\/\/www.woodfloorsinseattle.com\/kaj-je-cnc-stroj-osnovne-informacije\/<\/p>\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>CNC stroj je ra\u010dunalni\u0161ko podprt stroj za strojno izvajanje mehanskih del. CNC okraj\u0161ava prihaja iz angle\u0161kega izraza&nbsp;Computer Numerical Control. Izraz \u017ee sam po sebi nakazuje osnovni princip delovanja teh strojev. Gre torej za ra\u010dunalnik z numeri\u010do podprtimi metodami. Za te poskrbi temu namenjeno programsko orodje, ki te stroje in njihove klju\u010dne komponente krmili in nadzira. [&hellip;]<\/p>","protected":false},"author":3,"featured_media":2292,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":400,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[]},"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/posts\/678"}],"collection":[{"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/comments?post=678"}],"version-history":[{"count":0,"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/posts\/678\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/media\/2292"}],"wp:attachment":[{"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/media?parent=678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/categories?post=678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mlm-engineering.com\/da\/wp-json\/wp\/v2\/tags?post=678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}