{"id":4839,"date":"2022-02-02T15:17:06","date_gmt":"2022-02-02T07:17:06","guid":{"rendered":"https:\/\/akhdiecasting.com\/?p=4839"},"modified":"2022-08-15T15:19:08","modified_gmt":"2022-08-15T07:19:08","slug":"what-are-reverse-milling-and-forward-milling-in-cnc-milling-processing","status":"publish","type":"post","link":"https:\/\/akhdiecasting.com\/fr\/blog\/what-are-reverse-milling-and-forward-milling-in-cnc-milling-processing\/","title":{"rendered":"Que sont le fraisage inverse et le fraisage avant dans le traitement de fraisage CNC\u00a0?"},"content":{"rendered":"<p><span style=\"font-family: helvetica, arial, sans-serif;\">Le fraisage CNC invers\u00e9 est que lorsque la fraise coupe la pi\u00e8ce, la direction de la vitesse de coupe est oppos\u00e9e \u00e0 la direction d&#039;alimentation de la pi\u00e8ce.<\/span><\/p>\n<p><span style=\"font-family: helvetica, arial, sans-serif;\">Lors du fraisage CNC invers\u00e9, l&#039;\u00e9paisseur de coupe des dents de la fraise augmente progressivement \u00e0 partir de z\u00e9ro. Au d\u00e9but de la coupe, en raison de l&#039;influence du rayon \u00e9mouss\u00e9 du tranchant, les dents de la fraise glissent sur la surface de la pi\u00e8ce, entra\u00eenant une extrusion et un frottement, entra\u00eenant une couche froide et dure sur cette surface. Lorsqu&#039;elles glissent dans une certaine mesure, les dents de la fraise peuvent couper une couche de m\u00e9tal. Lorsque la dent de fraise suivante coupe, elle comprime et glisse sur la couche dure froide, ce qui rend la dent de fraise facile \u00e0 porter et augmente la rugosit\u00e9 de la surface de la pi\u00e8ce. De plus, lorsque l&#039;angle de contact est sup\u00e9rieur \u00e0 une certaine valeur lors du fraisage inverse, le composant de fraisage vertical est facile \u00e0 provoquer des vibrations vers le haut<\/span><\/p>\n<p><span style=\"font-family: helvetica, arial, sans-serif;\">Le fraisage CNC vers l&#039;avant est que la direction de la vitesse de coupe lorsque la fraise d\u00e9coupe la pi\u00e8ce est la m\u00eame que la direction d&#039;alimentation de la pi\u00e8ce.<\/span><\/p>\n<p><span style=\"font-family: helvetica, arial, sans-serif;\">Lors du fraisage CNC avant, l&#039;\u00e9paisseur de coupe des dents de la fraise diminue progressivement du maximum \u00e0 z\u00e9ro, \u00e9vitant l&#039;extrusion et le glissement des dents de la fraise lors du fraisage inverse. Le degr\u00e9 d&#039;\u00e9crouissage de la surface usin\u00e9e est consid\u00e9rablement r\u00e9duit, la qualit\u00e9 de surface est \u00e9galement \u00e9lev\u00e9e et la durabilit\u00e9 de l&#039;outil est \u00e9galement sup\u00e9rieure \u00e0 celle du fraisage inverse. Dans le m\u00eame temps, la force de coupe dans le sens vertical est toujours press\u00e9e contre l&#039;\u00e9tabli pour \u00e9viter les vibrations de la pi\u00e8ce.<\/span><\/p>\n<p><span style=\"font-family: helvetica, arial, sans-serif;\">Pendant le fraisage CNC avant, la direction de la composante longitudinale de la force de fraisage est toujours la m\u00eame que la direction de la force longitudinale entra\u00eenant le d\u00e9placement de l&#039;\u00e9tabli. S&#039;il y a un espace entre la vis m\u00e8re et la paire de transmission d&#039;\u00e9crou, lorsque la composante de fraisage longitudinal est sup\u00e9rieure au frottement entre la table de travail et le rail de guidage, la vis m\u00e8re entra\u00een\u00e9e par la table de travail se d\u00e9placera, entra\u00eenant la vibration de la table de travail et l&#039;alimentation in\u00e9gale de la table de travail. Dans les cas graves, le ph\u00e9nom\u00e8ne de coupure se produira. Par cons\u00e9quent, sur la fraiseuse sans dispositif d&#039;\u00e9limination du jeu de l&#039;\u00e9crou de la vis m\u00e8re, le fraisage CNC invers\u00e9 doit \u00eatre adopt\u00e9.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Reverse CNC milling is that when the milling cutter cuts into the workpiece, the cutting speed direction is opposite to the feed direction of the workpiece. During reverse CNC milling, the cutting thickness of the cutter teeth increases gradually from zero. At the beginning of cutting, due to the influence of the blunt radius of [&hellip;]<\/p>","protected":false},"author":3,"featured_media":4841,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"iawp_total_views":0,"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/posts\/4839"}],"collection":[{"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/comments?post=4839"}],"version-history":[{"count":2,"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/posts\/4839\/revisions"}],"predecessor-version":[{"id":4847,"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/posts\/4839\/revisions\/4847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/media\/4841"}],"wp:attachment":[{"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/media?parent=4839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/categories?post=4839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/akhdiecasting.com\/fr\/wp-json\/wp\/v2\/tags?post=4839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}