{"id":1294,"date":"2015-11-24T09:09:51","date_gmt":"2015-11-24T01:09:51","guid":{"rendered":"http:\/\/www.symachining.com\/?p=719"},"modified":"2015-11-24T09:09:51","modified_gmt":"2015-11-24T01:09:51","slug":"cnc-turning","status":"publish","type":"post","link":"https:\/\/www.symachining.com\/fr\/cnc-turning\/","title":{"rendered":"Comp\u00e9tences en mati\u00e8re de tournage CNC dans le fil de traitement"},"content":{"rendered":"<h2><span style=\"font-size: 14pt;\">Comp\u00e9tences en mati\u00e8re de processus de tournage CNC<\/span><\/h2>\n<p>Quatre fils standard peuvent \u00eatre r\u00e9alis\u00e9s par<a href=\"http:\/\/www.symachining.com\/fr\/\" target=\"_blank\"> Tournage CNC<\/a>Quel que soit le type de tournage de filets, nous devons maintenir une relation stricte entre le mouvement de la broche du tour et l'outil, c'est-\u00e0-dire un tour par broche, l'outil doit \u00eatre \u00e9loign\u00e9 d'une avance de mani\u00e8re r\u00e9guli\u00e8re. L'analyse suivante du filetage commun permet de mieux comprendre les filets communs afin d'am\u00e9liorer le traitement du filetage commun.<\/p>\n<p><span style=\"font-size: 14pt;\">1.Analyse de la taille du filet commun<a href=\"http:\/\/www.symachining.com\/wp-content\/uploads\/2015\/11\/CNC-turning.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-720 alignright\" src=\"http:\/\/www.symachining.com\/wp-content\/uploads\/2015\/11\/CNC-turning-300x225.jpg\" alt=\"CNC Turning Service\" width=\"300\" height=\"225\" \/><\/a><\/span><br \/>\nLe calcul de la taille requise pour le traitement des fils communs comprend principalement les deux aspects suivants.<br \/>\nTenir compte de l'importance de l'expansion de la dent, du type de filetage, du diam\u00e8tre d'usinage du filet de la pi\u00e8ce avant le D \/ D-0.1P, c'est-\u00e0-dire le grand diam\u00e8tre moins 0,1 pas de filetage.<br \/>\nAvance de coupe du filet<br \/>\nLa vitesse d'avance du filetage peut se r\u00e9f\u00e9rer au diam\u00e8tre du fond de filet, c'est-\u00e0-dire \u00e0 la position finale de l'alimentation du coupe-fil. Les filets Trail sont : grand diam\u00e8tre moins deux fois plus de dents ; hauteur de dent = 0,54P, la vitesse d'avance du filetage doit continuer \u00e0 diminuer, la quantit\u00e9 d'avance \u00e9tant bas\u00e9e sur la s\u00e9lection d'outils sp\u00e9cifiques et de mat\u00e9riaux de travail.<\/p>\n<p><span style=\"font-size: 14pt;\">2.Couteau de chargement du coupe-fil commun<\/span><br \/>\nLors du tournage install\u00e9 trop haut ou trop bas, puis l'avance \u00e0 une certaine profondeur, apr\u00e8s le tournage le flanc contre la pi\u00e8ce, l'augmentation de la friction, m\u00eame la pi\u00e8ce plie, r\u00e9sultant en mangeant le ph\u00e9nom\u00e8ne de couteau.Outils doivent ajuster la hauteur de son axe pointe de l'outil et le contour de la pi\u00e8ce.Dans le processus d'\u00e9bauche et de tournage semi-pr\u00e9cis,Position de la pointe plus \u00e9lev\u00e9e que le centre de la pi\u00e8ce environ 1% D.<br \/>\nLe serrage de la pi\u00e8ce doit \u00eatre solide, la contre-pointe peut \u00eatre utilis\u00e9e pour augmenter la rigidit\u00e9 de la pi\u00e8ce.<\/p>\n<p><span style=\"font-size: 14pt;\">3. processus de programmation du fil conducteur<\/span><br \/>\nDans le tournage CNC actuel, il existe trois m\u00e9thodes de traitement du filetage.<\/p>\n<p>G32 M\u00e9thode de coupe droite, puisque le travail s'effectue simultan\u00e9ment des deux c\u00f4t\u00e9s de la lame, la force de coupe est importante et il est difficile d'\u00e9vacuer la coupe, de sorte que lors de la coupe, les deux ar\u00eates de coupe sont sujettes \u00e0 l'usure. Lors de la coupe d'un filet \u00e0 grand pas, la profondeur de coupe est importante, la lame s'use plus rapidement, ce qui entra\u00eene des erreurs de diam\u00e8tre de pas ; cependant, en raison de la haute pr\u00e9cision de l'usinage de la forme de la dent, cette m\u00e9thode est g\u00e9n\u00e9ralement utilis\u00e9e pour l'usinage de filets \u00e0 petit pas.<br \/>\nLa m\u00e9thode de coupe droite G92 simplifie la programmation par rapport \u00e0 l'instruction G32, ce qui am\u00e9liore l'efficacit\u00e9.<\/p>\n<p>G76 M\u00e9thode de coupe angulaire, depuis l'ar\u00eate unilat\u00e9rale, la lame d'usinage est facile \u00e0 endommager et \u00e0 user, de sorte que l'usinage de la surface du filet n'est pas droit, les changements de couteau tranchant sont dus \u00e0 une mauvaise pr\u00e9cision de la forme de la dent. Mais en raison de l'ar\u00eate unilat\u00e9rale, la charge de l'outil est faible, les copeaux sont faciles \u00e0 enlever et la profondeur de coupe est r\u00e9gressive. Par cons\u00e9quent, cette m\u00e9thode de traitement est g\u00e9n\u00e9ralement applicable \u00e0 l'usinage de filets \u00e0 grand pas.<br \/>\nLors de l'usinage de filets de haute pr\u00e9cision, le traitement peut \u00eatre effectu\u00e9 deux fois, d'abord avec les m\u00e9thodes d'usinage G76 (\u00e9bauche), puis avec la m\u00e9thode de travail G32 (finition). Mais il faut veiller \u00e0 ce que le point de d\u00e9part de l'outil soit pr\u00e9cis.<\/p>","protected":false},"excerpt":{"rendered":"<p>Comp\u00e9tences du processus de tournage CNC Quatre filets standard peuvent \u00eatre r\u00e9alis\u00e9s par tournage CNC, quel que soit le type de tournage, nous devons maintenir une relation stricte entre le mouvement de la broche du tour et l'outil, c'est-\u00e0-dire un tour par broche, l'outil doit \u00eatre \u00e9loign\u00e9 d'une avance de mani\u00e8re r\u00e9guli\u00e8re. L'analyse suivante est bas\u00e9e sur le fil conducteur, un [...]<\/p>","protected":false},"author":2,"featured_media":721,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[13,23],"class_list":["post-1294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machining-industry","tag-custom-machining-service","tag-turning-parts"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Precision CNC turning service | SYM precision machining<\/title>\n<meta name=\"description\" content=\"CNC turning processing for thread of bolt ,brass turning parts, stainless steel turning parts, aluminium turning parts and plastic CNC turning parts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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