{"id":32182,"date":"2018-05-17T23:55:50","date_gmt":"2018-05-17T21:55:50","guid":{"rendered":"http:\/\/www.makerslide-machines.xyz\/?p=32182"},"modified":"2022-08-22T08:40:21","modified_gmt":"2022-08-22T06:40:21","slug":"fr-le-bridage","status":"publish","type":"post","link":"http:\/\/www.makerslide-machines.xyz\/old\/2018\/05\/17\/fr-le-bridage\/","title":{"rendered":"Le bridage"},"content":{"rendered":"<p>[:fr][et_pb_section bb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbrow\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_post_title title=\u00a0\u00bbon\u00a0\u00bb meta=\u00a0\u00bbon\u00a0\u00bb author=\u00a0\u00bbon\u00a0\u00bb date=\u00a0\u00bbon\u00a0\u00bb categories=\u00a0\u00bbon\u00a0\u00bb comments=\u00a0\u00bboff\u00a0\u00bb featured_image=\u00a0\u00bboff\u00a0\u00bb featured_placement=\u00a0\u00bbbelow\u00a0\u00bb parallax_effect=\u00a0\u00bbon\u00a0\u00bb parallax_method=\u00a0\u00bboff\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_background=\u00a0\u00bboff\u00a0\u00bb text_bg_color=\u00a0\u00bbrgba(255,255,255,0.9)\u00a0\u00bb module_bg_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb title_all_caps=\u00a0\u00bboff\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb parallax=\u00a0\u00bbon\u00a0\u00bb background_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_post_title][et_pb_text background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][et_pb_tabs use_border_color=\u00a0\u00bboff\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime;][et_pb_tab title=\u00a0\u00bbBridage en \u00e9tau\u00a0\u00bb tab_font_select=\u00a0\u00bbdefault\u00a0\u00bb tab_font=\u00a0\u00bb||||\u00a0\u00bb tab_line_height=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb body_font_select=\u00a0\u00bbdefault\u00a0\u00bb body_font=\u00a0\u00bb||||\u00a0\u00bb body_line_height=\u00a0\u00bb2em\u00a0\u00bb body_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb body_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime; use_background_color_gradient=\u00a0\u00bboff\u00a0\u00bb background_color_gradient_start=\u00a0\u00bb#2b87da\u00a0\u00bb background_color_gradient_end=\u00a0\u00bb#29c4a9&Prime; background_color_gradient_type=\u00a0\u00bblinear\u00a0\u00bb background_color_gradient_direction=\u00a0\u00bb180deg\u00a0\u00bb background_color_gradient_direction_radial=\u00a0\u00bbcenter\u00a0\u00bb background_color_gradient_start_position=\u00a0\u00bb0%\u00a0\u00bb background_color_gradient_end_position=\u00a0\u00bb100%\u00a0\u00bb background_color_gradient_overlays_image=\u00a0\u00bboff\u00a0\u00bb parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb background_size=\u00a0\u00bbcover\u00a0\u00bb background_position=\u00a0\u00bbcenter\u00a0\u00bb background_repeat=\u00a0\u00bbno-repeat\u00a0\u00bb background_blend=\u00a0\u00bbnormal\u00a0\u00bb allow_player_pause=\u00a0\u00bboff\u00a0\u00bb background_video_pause_outside_viewport=\u00a0\u00bbon\u00a0\u00bb tab_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb body_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb tab_text_shadow_horizontal_length=\u00a0\u00bb0em\u00a0\u00bb tab_text_shadow_vertical_length=\u00a0\u00bb0em\u00a0\u00bb tab_text_shadow_blur_strength=\u00a0\u00bb0em\u00a0\u00bb body_text_shadow_horizontal_length=\u00a0\u00bb0em\u00a0\u00bb body_text_shadow_vertical_length=\u00a0\u00bb0em\u00a0\u00bb body_text_shadow_blur_strength=\u00a0\u00bb0em\u00a0\u00bb]<\/p>\n<p>L&rsquo;\u00e9tau est une solution universelle pour le bridage<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"color: #ff0000; text-decoration: underline;\">Attention !!<\/span> aux risques de collision entre la fraise et l&rsquo;\u00e9tau.<\/span><\/p>\n<p>Lorsque la pi\u00e8ce \u00e0 brider est longue, il est possible d&rsquo;utiliser 2 \u00e9taux align\u00e9s.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33981\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/bridage-etaux.jpg\" alt=\"\" width=\"537\" height=\"358\" \/><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=\u00a0\u00bbUtilisation de brides\u00a0\u00bb tab_font_select=\u00a0\u00bbdefault\u00a0\u00bb tab_font=\u00a0\u00bb||||\u00a0\u00bb tab_line_height=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb body_font_select=\u00a0\u00bbdefault\u00a0\u00bb body_font=\u00a0\u00bb||||\u00a0\u00bb body_line_height=\u00a0\u00bb2em\u00a0\u00bb body_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb body_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime; use_background_color_gradient=\u00a0\u00bboff\u00a0\u00bb background_color_gradient_start=\u00a0\u00bb#2b87da\u00a0\u00bb background_color_gradient_end=\u00a0\u00bb#29c4a9&Prime; background_color_gradient_type=\u00a0\u00bblinear\u00a0\u00bb background_color_gradient_direction=\u00a0\u00bb180deg\u00a0\u00bb background_color_gradient_direction_radial=\u00a0\u00bbcenter\u00a0\u00bb background_color_gradient_start_position=\u00a0\u00bb0%\u00a0\u00bb background_color_gradient_end_position=\u00a0\u00bb100%\u00a0\u00bb background_color_gradient_overlays_image=\u00a0\u00bboff\u00a0\u00bb parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb background_size=\u00a0\u00bbcover\u00a0\u00bb background_position=\u00a0\u00bbcenter\u00a0\u00bb background_repeat=\u00a0\u00bbno-repeat\u00a0\u00bb background_blend=\u00a0\u00bbnormal\u00a0\u00bb allow_player_pause=\u00a0\u00bboff\u00a0\u00bb background_video_pause_outside_viewport=\u00a0\u00bbon\u00a0\u00bb tab_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb body_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb]<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"color: #0000ff; font-size: 14pt; text-decoration: underline;\">I ) Fabriquer soit m\u00eame ses brides<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33974\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/clamp-fabrique-soit-meme.jpg\" alt=\"\" width=\"513\" height=\"347\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33975\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/clamp-exentric.jpg\" alt=\"\" width=\"504\" height=\"399\" \/><\/p>\n<p>Vous pouvez fabriquer vos brides vous m\u00eame par exemple en bois, il y en a de toutes sortes cela d\u00e9pend de votre imagination.<br \/>\nVous pouvez \u00e9galement les fabriquer en aluminium.<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"color: #ff0000; text-decoration: underline;\"><strong>Attention !!<\/strong><\/span><\/span> les briques en plastique r\u00e9alis\u00e9es avec une imprimante 3D ne sont pas efficaces, elles fl\u00e9chissent et finissent par casser<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"font-size: 14pt; color: #0000ff; text-decoration: underline;\">II\u00a0 ) Les brides achet\u00e9s dans le commerce<\/span><\/span><\/p>\n<p>Il y a \u00e9galement un choix tr\u00e8s important<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33976\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/choix-brides-commerciales.jpg\" alt=\"\" width=\"744\" height=\"319\" \/><\/p>\n<p>Parmi les brides achet\u00e9s on peut trouver les sauterelles<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33978\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/les-sauterelles.jpg\" alt=\"\" width=\"1381\" height=\"352\" \/><\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"color: #ff0000;\"><strong>Attention !!<\/strong><\/span><\/span>\u00a0 Les sauterelles d\u00e9passent souvent bien au dessus de la table, elles sont m\u00e9talliques et la fraise peut rentrer en collision avec elles si vous n&rsquo;avez pas bien param\u00e9trer les hauteurs d&rsquo;usinage.<\/p>\n<p>Il est toujours possible de fabriquer ses propres sauterelles en bois par exemple, mais cela vous demandera un peu de temps<br \/>\n<a href=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/fabriquer_ses_sauterelles.pdf\">Exemple de sauterelles en bois<\/a> de Jean Marie du site <span style=\"color: #0000ff;\"><a href=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/fabriquer_ses_sauterelles.pdf\">http:\/\/copeaux.duberry.pagesperso-orange.fr\/<\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=\u00a0\u00bbVissage sur la plaque martyr\u00a0\u00bb tab_font_select=\u00a0\u00bbdefault\u00a0\u00bb tab_font=\u00a0\u00bb||||\u00a0\u00bb tab_line_height=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb body_font_select=\u00a0\u00bbdefault\u00a0\u00bb body_font=\u00a0\u00bb||||\u00a0\u00bb body_line_height=\u00a0\u00bb2em\u00a0\u00bb body_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb body_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime; \/][et_pb_tab title=\u00a0\u00bbBridage par d\u00e9pression\u00a0\u00bb tab_font_select=\u00a0\u00bbdefault\u00a0\u00bb tab_font=\u00a0\u00bb||||\u00a0\u00bb tab_line_height=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb body_font_select=\u00a0\u00bbdefault\u00a0\u00bb body_font=\u00a0\u00bb||||\u00a0\u00bb body_line_height=\u00a0\u00bb2em\u00a0\u00bb body_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb body_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime; use_background_color_gradient=\u00a0\u00bboff\u00a0\u00bb background_color_gradient_start=\u00a0\u00bb#2b87da\u00a0\u00bb background_color_gradient_end=\u00a0\u00bb#29c4a9&Prime; background_color_gradient_type=\u00a0\u00bblinear\u00a0\u00bb background_color_gradient_direction=\u00a0\u00bb180deg\u00a0\u00bb background_color_gradient_direction_radial=\u00a0\u00bbcenter\u00a0\u00bb background_color_gradient_start_position=\u00a0\u00bb0%\u00a0\u00bb background_color_gradient_end_position=\u00a0\u00bb100%\u00a0\u00bb background_color_gradient_overlays_image=\u00a0\u00bboff\u00a0\u00bb parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb background_size=\u00a0\u00bbcover\u00a0\u00bb background_position=\u00a0\u00bbcenter\u00a0\u00bb background_repeat=\u00a0\u00bbno-repeat\u00a0\u00bb background_blend=\u00a0\u00bbnormal\u00a0\u00bb allow_player_pause=\u00a0\u00bboff\u00a0\u00bb background_video_pause_outside_viewport=\u00a0\u00bbon\u00a0\u00bb tab_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb body_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb tab_text_shadow_horizontal_length=\u00a0\u00bb0em\u00a0\u00bb tab_text_shadow_vertical_length=\u00a0\u00bb0em\u00a0\u00bb tab_text_shadow_blur_strength=\u00a0\u00bb0em\u00a0\u00bb body_text_shadow_horizontal_length=\u00a0\u00bb0em\u00a0\u00bb body_text_shadow_vertical_length=\u00a0\u00bb0em\u00a0\u00bb body_text_shadow_blur_strength=\u00a0\u00bb0em\u00a0\u00bb]<\/p>\n<p><span style=\"color: #0000ff; background-color: #ffff99;\">Il existe beaucoup de syst\u00e8mes de bridage \u00e0 d\u00e9pression diff\u00e9rents.<\/span><br \/>\nLe vide peut \u00eatre cr\u00e9er par une <span style=\"text-decoration: underline;\">pompe \u00e0 vide volum\u00e9trique<\/span>, <span style=\"text-decoration: underline;\">une turbine<\/span> ou <span style=\"text-decoration: underline;\">un syst\u00e8me venturi<\/span>.<\/p>\n<p><span style=\"text-decoration: underline;\"><strong><span style=\"color: #ff0000; font-size: 14pt; text-decoration: underline;\">I ) La cr\u00e9ation du vide<\/span><\/strong><\/span><\/p>\n<p><span style=\"text-decoration: underline; color: #800000; font-size: 14pt;\">a ) La pompe \u00e0 vide volum\u00e9triques<br \/>\n<\/span><\/p>\n<p><em>Ci-dessous une classification des pompes centrifuges et volum\u00e9triques<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33833\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/classification.jpg\" alt=\"\" width=\"666\" height=\"294\" \/><\/p>\n<p>Une <b>pompe volum\u00e9trique<\/b> est une pompe dans laquelle une certaine quantit\u00e9 de fluide (liquide ou air) \u00ab\u00a0emprisonn\u00e9e\u00a0\u00bb est forc\u00e9e \u00e0 se d\u00e9placer jusqu\u2019\u00e0 l\u2019orifice de sortie. Ceci gr\u00e2ce \u00e0 une modification du volume dans lequel est emprisonn\u00e9 le fluide.<\/p>\n<p><span style=\"background-color: #ffff99;\">Les pompes volum\u00e9triques sont d&rsquo;une grande diversit\u00e9.<\/span><\/p>\n<p>La pompe volum\u00e9trique \u00e0 piston est tr\u00e8s classique, c&rsquo;est ce type de pompe qui est utilis\u00e9 dans les compresseurs de r\u00e9frig\u00e9rateurs, les compresseurs pour gonfler les pneus de voiture &#8230;<span style=\"text-decoration: underline;\"><strong><br \/>\nPour en savoir plus :<\/strong><span style=\"color: #0000ff; text-decoration: underline;\"><a style=\"color: #0000ff; text-decoration: underline;\" href=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/principe-pompe-a-piston.mp4\">\u00a0principe de fonctionnement d&rsquo;une pompe volum\u00e9trique \u00e0 piston<\/a><\/span><\/span><\/p>\n<p>La technologie des pompes \u00e0 vide est la m\u00eame que celle des compresseurs, \u00e0 la seule diff\u00e9rence que au lieu de compresser un liquide en sortie, on cr\u00e9er une d\u00e9pression en entr\u00e9e.<br \/>\nLa solution d&rsquo;utiliser une pompe \u00e0 vide volum\u00e9trique pour le bridage de pi\u00e8ces de fraiseuse CNC comporte une faiblesse, le volume d&rsquo;air pomp\u00e9 par unit\u00e9 de temps n&rsquo;est pas \u00e9norme, ce qui posera probl\u00e8me si le montage (table+pi\u00e8ce) n&rsquo;est pas assez \u00e9tanche.<br \/>\nDes solutions existent pour transformer des compresseurs de r\u00e9frig\u00e9rateur en pompe \u00e0 vide.<\/p>\n<p><span style=\"text-decoration: underline; font-size: 14pt;\"><span style=\"color: #800000; text-decoration: underline;\">b ) La turbine<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33829\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/turbine-a-vide.jpg\" alt=\"\" width=\"254\" height=\"269\" \/><\/p>\n<p>La turbine fait partie des pompes centrifuges.<br \/>\nCette fois le volume pomp\u00e9 est important, s&rsquo;il y a des l\u00e9g\u00e8res fuites, parce que la pi\u00e8ce brid\u00e9e est poreuse par exemple, le bridage pourra se faire si le volume d&rsquo;air passant \u00e0 travers les porosit\u00e9 est beaucoup moins important que le volume d&rsquo;air aspir\u00e9 par la turbine.<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"color: #800000; font-size: 14pt; text-decoration: underline;\">c ) Le syst\u00e8me venturi<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33830\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/principe-venturi-coval.jpg\" alt=\"\" width=\"345\" height=\"150\" \/><\/p>\n<p>C&rsquo;est un syst\u00e8me \u00e9conomique et simple pour celui qui poss\u00e8de d\u00e9j\u00e0 un compresseur.<br \/>\nL&rsquo;inconv\u00e9nient de ce syst\u00e8me est que le compresseur est constamment sollicit\u00e9, si le flux d&rsquo;air s&rsquo;interrompt, la pi\u00e8ce n&rsquo;est plus maintenue.<br \/>\nLe syst\u00e8me venturi est tr\u00e8s utilis\u00e9 pour les ventouses qui vont permettent \u00e0 un bras robotis\u00e9 de manipuler des mat\u00e9riaux en feuille.<\/p>\n<p><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 14pt; color: #ff0000; text-decoration: underline;\">II ) Formes des tables \u00e0 d\u00e9pression<\/span><\/span><br \/>\n<\/strong><\/p>\n<p><span style=\"text-decoration: underline; color: #800000; font-size: 14pt;\">a ) Forme en tablette de chocolat<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33837\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/ensemble-tables-a-depression.jpg\" alt=\"\" width=\"778\" height=\"489\" \/><\/p>\n<p>Le joint d&rsquo;\u00e9tanch\u00e9it\u00e9 s&rsquo;ins\u00e8re entre les rainures, et permet d&rsquo;adapter la zone de d\u00e9pression \u00e0 la forme de la pi\u00e8ce \u00e0 brider.<br \/>\nLes tables \u00e0 d\u00e9pression de ce type peuvent avoir plusieurs orifices.<br \/>\nCes orifices peuvent s&rsquo;ouvrir et se fermer avec des vannes afin de s\u00e9lectionner diff\u00e9rentes zones de d\u00e9pression.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33838\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/Vacuum_Table-vannes.jpg\" alt=\"\" width=\"347\" height=\"225\" \/><\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"font-size: 14pt;\">a1 ) Les tables de bridage par d\u00e9pression tablette de chocolat pour usiner des mat\u00e9riaux poreux ( bois )<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33839\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/table-aspiration-tablette-chocolat.jpg\" alt=\"\" width=\"1558\" height=\"758\" \/><\/p>\n<p>Il est n\u00e9cessaire dans ce cas d&rsquo;utiliser une turbine pour la cr\u00e9ation du vide.<br \/>\n<span style=\"text-decoration: underline;\">La table est constitu\u00e9 :<\/span><br \/>\n&#8211; d&rsquo;une plaque de base pour transmettre le vide vers une ou plusieurs zones<br \/>\n&#8211; d&rsquo;une plaque rainur\u00e9e ( en forme de tablette de chocolat ) pour ins\u00e9rer les joint de d\u00e9limitation de zone<br \/>\n&#8211; lorsqu&rsquo;il y a des d\u00e9coupes \u00e0 effectuer, une plaque martyr poreuse.<\/p>\n<p>Les plaques de base et rainur\u00e9s peuvent \u00eatre usin\u00e9e par la fraiseuse elle m\u00eame dans de l&rsquo;aluminium ou du bois.<br \/>\nPour les fraiseuses grande taille utilis\u00e9es pour usiner le bois, les tables \u00e0 d\u00e9pression sont g\u00e9n\u00e9ralement en bois.<\/p>\n<p>Pour la plaque martyr poreuse, une solution simple consiste \u00e0 utiliser du panneau MDF de faible \u00e9paisseur 5 \u00e0 6mm<br \/>\nIl faut surfacer le MDF des deux cot\u00e9s afin d&rsquo;enlever la partie lisse et \u00e9tanche, la porosit\u00e9 \u00e0 l&rsquo;int\u00e9rieur du MDF est suffisante pour transmettre l&rsquo;aspiration aux plaques \u00e0 usiner.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33841\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/turbine-vacuum.jpg\" alt=\"\" width=\"473\" height=\"290\" \/><\/p>\n<p>Il est pr\u00e9f\u00e9rable de pr\u00e9voir des filtres afin que la turbine n&rsquo;avale pas trop de poussi\u00e8re.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"font-size: 14pt;\">a2 ) Les tables de bridage par d\u00e9pression tablette de chocolat pour usiner des m\u00e9taux (efforts de coupe plus importants )<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33840\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/bridage-vide-materiaux-non-poreux.jpg\" alt=\"\" width=\"907\" height=\"622\" \/><\/p>\n<p>Dans ce cas il est pr\u00e9f\u00e9rable d&rsquo;utiliser une pompe \u00e0 vide volum\u00e9trique, la fixation sera plus forte.<br \/>\nEn revanche il faut \u00e9viter toutes fuites et porosit\u00e9s.<\/p>\n<p>La plaque martyr (plaque d&rsquo;adaptation) ne sera pas dans ce cas poreuse et il faudra percer des petits trous dans cette plaque martyr exactement aux endroits ou l&rsquo;on veux que la fixation se fasse. L&rsquo;id\u00e9al \u00e9tant de percer avec une fraise conique afin d&rsquo;avoir un orifice reli\u00e9 \u00e0 l&rsquo;aspiration faible et une zone d&rsquo;aspiration plus grande.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>a3 ) Tables \u00e0 d\u00e9pressions adapt\u00e9es aux pi\u00e8ces ( dans le cas d&rsquo;usinage en s\u00e9rie )<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33970\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/depression-plusieurs-parties.jpg\" alt=\"\" width=\"831\" height=\"309\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33971\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/table-vacuum-specific.jpg\" alt=\"\" width=\"620\" height=\"413\" \/><\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"font-size: 14pt; color: #800000; text-decoration: underline;\">Bridage par d\u00e9pression de pi\u00e8ces 3D<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33972\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/3d-table-vacuum.jpg\" alt=\"\" width=\"620\" height=\"413\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong><br \/>\n<span style=\"text-decoration: underline; font-size: 14pt;\"><span style=\"color: #ff0000; text-decoration: underline;\">III ) Conclusion<\/span><\/span><br \/>\n<\/strong><\/p>\n<p>Le choix d&rsquo;une technologie d&rsquo;aspiration d\u00e9pend des usinages qui seront majoritairement effectu\u00e9s<\/p>\n<p>Pour les usinages sans d\u00e9coupes ( gravure, usinage 3D &#8230; ), on peux utiliser indiff\u00e9remment une pompe \u00e0 vide volum\u00e9trique ou une turbine, cela d\u00e9pend aussi des efforts de coupe.<br \/>\nPour l&rsquo;usinage de grandes plaques surtout si elles sont peu \u00e9paisses, il est pr\u00e9f\u00e9rable d&rsquo;utiliser une turbine.<br \/>\nPour la d\u00e9coupe d&rsquo;un ensemble de petites pi\u00e8ces (nesting) il est \u00e9galement pr\u00e9f\u00e9rable d&rsquo;utiliser l&rsquo;aspiration par turbine.<\/p>\n<p>Voici un ordre d&rsquo;id\u00e9e sur les puissances id\u00e9ale des turbines en fonction de la surface \u00e0 brider.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-33843\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/puissance-pompe-a-vide.jpg\" alt=\"\" width=\"358\" height=\"318\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=\u00a0\u00bbBridage permettant un retournement\u00a0\u00bb tab_font_select=\u00a0\u00bbdefault\u00a0\u00bb tab_font=\u00a0\u00bb||||\u00a0\u00bb tab_line_height=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb body_font_select=\u00a0\u00bbdefault\u00a0\u00bb body_font=\u00a0\u00bb||||\u00a0\u00bb body_line_height=\u00a0\u00bb2em\u00a0\u00bb body_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb body_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime; use_background_color_gradient=\u00a0\u00bboff\u00a0\u00bb background_color_gradient_start=\u00a0\u00bb#2b87da\u00a0\u00bb background_color_gradient_end=\u00a0\u00bb#29c4a9&Prime; background_color_gradient_type=\u00a0\u00bblinear\u00a0\u00bb background_color_gradient_direction=\u00a0\u00bb180deg\u00a0\u00bb background_color_gradient_direction_radial=\u00a0\u00bbcenter\u00a0\u00bb background_color_gradient_start_position=\u00a0\u00bb0%\u00a0\u00bb background_color_gradient_end_position=\u00a0\u00bb100%\u00a0\u00bb background_color_gradient_overlays_image=\u00a0\u00bboff\u00a0\u00bb parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb background_size=\u00a0\u00bbcover\u00a0\u00bb background_position=\u00a0\u00bbcenter\u00a0\u00bb background_repeat=\u00a0\u00bbno-repeat\u00a0\u00bb background_blend=\u00a0\u00bbnormal\u00a0\u00bb allow_player_pause=\u00a0\u00bboff\u00a0\u00bb background_video_pause_outside_viewport=\u00a0\u00bbon\u00a0\u00bb tab_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb body_text_shadow_style=\u00a0\u00bbnone\u00a0\u00bb]<\/p>\n<p>Le retournement est n\u00e9cessaire quand il y a 2 faces \u00e0 usiner, au dessus et en dessous.<br \/>\nIl faut un moyen pour que le positionnement de la pi\u00e8ce ne soit pas perdu lors du retournement.<\/p>\n<h4><span style=\"text-decoration: underline;\"><span style=\"color: #ff0000; text-decoration: underline;\">Exemple de techniques lorsque un retournement est n\u00e9cessaire<\/span><\/span><\/h4>\n<p>Extrait d&rsquo;une vid\u00e9o publicitaire de la Fraiseuse\u00a0 CNC Nomad 883<\/p>\n<div style=\"width: 1080px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-32182-1\" width=\"1080\" height=\"608\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/bridage-taquet.mp4?_=1\" \/><a href=\"http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/bridage-taquet.mp4\">http:\/\/www.makerslide-machines.xyz\/wp-content\/uploads\/2018\/05\/bridage-taquet.mp4<\/a><\/video><\/div>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][\/et_pb_section][:]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[:fr][et_pb_section bb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbrow\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime;][et_pb_post_title title=\u00a0\u00bbon\u00a0\u00bb meta=\u00a0\u00bbon\u00a0\u00bb author=\u00a0\u00bbon\u00a0\u00bb date=\u00a0\u00bbon\u00a0\u00bb categories=\u00a0\u00bbon\u00a0\u00bb comments=\u00a0\u00bboff\u00a0\u00bb featured_image=\u00a0\u00bboff\u00a0\u00bb featured_placement=\u00a0\u00bbbelow\u00a0\u00bb parallax_effect=\u00a0\u00bbon\u00a0\u00bb parallax_method=\u00a0\u00bboff\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_background=\u00a0\u00bboff\u00a0\u00bb text_bg_color=\u00a0\u00bbrgba(255,255,255,0.9)\u00a0\u00bb module_bg_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb title_all_caps=\u00a0\u00bboff\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb parallax=\u00a0\u00bbon\u00a0\u00bb background_color=\u00a0\u00bbrgba(255,255,255,0)\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime;] &nbsp; [\/et_pb_post_title][et_pb_text background_layout=\u00a0\u00bblight\u00a0\u00bb text_orientation=\u00a0\u00bbleft\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb] &nbsp; [\/et_pb_text][et_pb_tabs use_border_color=\u00a0\u00bboff\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb _builder_version=\u00a0\u00bb3.4.1&Prime;][et_pb_tab title=\u00a0\u00bbBridage en \u00e9tau\u00a0\u00bb tab_font_select=\u00a0\u00bbdefault\u00a0\u00bb tab_font=\u00a0\u00bb||||\u00a0\u00bb tab_line_height=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb tab_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[95],"tags":[],"class_list":["post-32182","post","type-post","status-publish","format-standard","hentry","category-utilisation"],"_links":{"self":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts\/32182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/comments?post=32182"}],"version-history":[{"count":12,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts\/32182\/revisions"}],"predecessor-version":[{"id":33983,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/posts\/32182\/revisions\/33983"}],"wp:attachment":[{"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/media?parent=32182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/categories?post=32182"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.makerslide-machines.xyz\/old\/wp-json\/wp\/v2\/tags?post=32182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}