{"id":1017,"date":"2017-09-11T14:05:27","date_gmt":"2017-09-11T06:05:27","guid":{"rendered":"https:\/\/www.symachining.com\/?p=1017"},"modified":"2017-09-11T14:05:27","modified_gmt":"2017-09-11T06:05:27","slug":"grinding-process","status":"publish","type":"post","link":"https:\/\/www.symachining.com\/fr\/grinding-process\/","title":{"rendered":"Processus de broyage"},"content":{"rendered":"

Qu'est-ce que le broyage ?<\/span><\/h1>\n

Le processus de rectification est \u00e9galement connu sous le nom d'usinage par rectification.<\/p>\n

La rectification consiste \u00e0 usiner la surface de pi\u00e8ces m\u00e9talliques \u00e0 l'aide de meules, de pierres \u00e0 huile et d'abrasifs.<\/p>\n

\"Machined<\/a>
\nLa machine-outil qui utilise une meule est g\u00e9n\u00e9ralement appel\u00e9e rectifieuse. La machine-outil qui utilise une pierre \u00e0 huile et un abrasif est appel\u00e9e rectifieuse de pr\u00e9cision.<\/p>\n

La meule est un outil de coupe compos\u00e9 d'un grand nombre de petites particules abrasives extr\u00eamement dures. Gr\u00e2ce \u00e0 son action de coupe, chacune des fines granules de meulage sur la surface de la meule, l'effet est \u00e9gal \u00e0 une lame subtile.<\/p>\n

Au cours du processus de meulage, les ar\u00eates des grains de meulage sont \u00e9mouss\u00e9es et, sous l'effet de la force de coupe, elles se brisent souvent ou tombent pour r\u00e9v\u00e9ler un nouveau tranchant, ce type de ph\u00e9nom\u00e8ne est appel\u00e9 auto-aff\u00fbtage de la meule.<\/p>\n

Le processus de meulage abrasif produit beaucoup de chaleur, il faut donc le refroidir avec beaucoup d'eau de refroidissement.<\/p>\n

Le champ d'application de la rectification est tr\u00e8s large, presque toutes les surfaces peuvent \u00eatre usin\u00e9es par rectification, comme le cylindre int\u00e9rieur et ext\u00e9rieur, le c\u00f4ne int\u00e9rieur et ext\u00e9rieur, les diff\u00e9rents types de plans, le filet de vis, l'engrenage, la cannelure, la surface de formage.
\nGr\u00e2ce \u00e0 la lame multiple et \u00e0 l'auto-aff\u00fbtage de la meule, \u00e0 la vitesse de coupe \u00e9lev\u00e9e et \u00e0 la haute pr\u00e9cision de la machine \u00e0 meuler, la pr\u00e9cision et l'\u00e9tat de surface des pi\u00e8ces m\u00e9talliques sont \u00e9lev\u00e9s apr\u00e8s le meulage. La pr\u00e9cision moyenne du meulage atteint les degr\u00e9s 1-2, la rugosit\u00e9 peut atteindre Ra0,4-Ra0,8, pour les pi\u00e8ces de meulage pr\u00e9cises, la rugosit\u00e9 de la surface peut atteindre Ra0,05.<\/p>\n

Actuellement, le processus de rectification est g\u00e9n\u00e9ralement utilis\u00e9 comme processus de finition de la surface des pi\u00e8ces, mais il peut \u00e9galement \u00eatre utilis\u00e9 pour le traitement grossier des travaux de pr\u00e9traitement et de nettoyage.<\/p>","protected":false},"excerpt":{"rendered":"

Qu'est-ce que le processus de rectification ? Le processus de meulage est \u00e9galement connu sous le nom d'usinage par meulage. La rectification consiste \u00e0 usiner la surface des pi\u00e8ces m\u00e9talliques \u00e0 l'aide d'une meule, d'une pierre \u00e0 huile et d'un abrasif. La machine-outil qui utilise la meule est g\u00e9n\u00e9ralement appel\u00e9e rectifieuse, celle qui utilise la pierre \u00e0 huile et l'abrasif est appel\u00e9e rectifieuse de pr\u00e9cision. La meule est [...]<\/p>","protected":false},"author":2,"featured_media":1018,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[24,17],"class_list":["post-1017","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machining-industry","tag-grinding-machining","tag-precision-machining"],"acf":[],"yoast_head":"\nGrinding Process - SYM Precision Machining Manufacturer China<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.symachining.com\/fr\/grinding-process\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Grinding Process - SYM Precision Machining Manufacturer China\" \/>\n<meta property=\"og:description\" content=\"What is grinding process? 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