{"id":40911,"date":"2025-03-03T09:41:37","date_gmt":"2025-03-03T08:41:37","guid":{"rendered":"https:\/\/www.dayco.com\/?post_type=techhub&p=40911"},"modified":"2026-09-08T10:20:04","modified_gmt":"2026-09-08T08:20:04","slug":"inspection-dune-courroie-auxiliaire","status":"publish","type":"techhub","link":"https:\/\/www.dayco.com\/na-fr\/techhub\/inspection-dune-courroie-auxiliaire\/","title":{"rendered":"Inspection d\u2019une courroie auxiliaire"},"content":{"rendered":"[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#f4f4f4″ scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-4-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1″ background_hover_color_opacity=\u00a0\u00bb1″ column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ width=\u00a0\u00bb1\/1″ tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_custom_heading source=\u00a0\u00bbpost_title\u00a0\u00bb font_container=\u00a0\u00bbtag:h1|text_align:left\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbIdentifiez plus facilement l\u2019usure des courroies avec l\u2019outil Dayco\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][divider line_type=\u00a0\u00bbSmall Line\u00a0\u00bb line_alignment=\u00a0\u00bbdefault\u00a0\u00bb line_thickness=\u00a0\u00bb2″ divider_color=\u00a0\u00bbaccent-color\u00a0\u00bb animate=\u00a0\u00bbyes\u00a0\u00bb custom_height=\u00a0\u00bb40″ custom_line_width=\u00a0\u00bb130″][vc_column_text]La plupart des v\u00e9hicules modernes utilisent des courroies auxiliaires d\u00e9sormais fabriqu\u00e9es avec des compos\u00e9s \u00e0 base d\u2019EPDM. Mais les courroies \u00e0 base d\u2019EPDM pr\u00e9sentent des caract\u00e9ristiques d\u2019usure diff\u00e9rentes de celles des anciennes courroies en n\u00e9opr\u00e8ne, ce qui rend l\u00e9g\u00e8rement plus difficile la d\u00e9tection du moment o\u00f9 une courroie doit \u00eatre remplac\u00e9e.<\/p>\n

Les courroies en EPDM s\u2019usent de mani\u00e8re similaire \u00e0 la bande de roulement de pneus, provoquant une perte de mat\u00e9riau \u00e0 la surface des nervures. Une courroie en EPDM neuve a un profil \u00ab\u00a0en\u00a0V\u00a0\u00bb (trap\u00e9zo\u00efdal) traditionnel dans les rainures entre les nervures. En revanche, une courroie en EPDM us\u00e9e pr\u00e9sente un profil de rainure avec l\u2019apparence d\u2019un \u00ab\u00a0U\u00a0\u00bb, en raison de la perte de mat\u00e9riau des nervures. Une fois le profil des nervures modifi\u00e9, il y a moins de mat\u00e9riau et donc moins de surface entrant en contact avec les poulies. Cette perte de mat\u00e9riau peut provoquer un patinage, ce qui affecte les performances des accessoires et peut entra\u00eener une courroie aga\u00e7ante et bruyante. Assurez-vous de proc\u00e9der \u00e0 une bonne inspection du syst\u00e8me d\u2019entra\u00eenement avant et de rechercher des signes d\u2019usure de la courroie lorsqu\u2019un v\u00e9hicule atteint environ 100\u00a0000\u00a0km.[\/vc_column_text][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb20″][vc_column_text css=\u00a0\u00bb.vc_custom_1626683001207{margin-bottom: 50px !important;}\u00a0\u00bb]\n

La jauge Dayco aide \u00e0 identifier le profil des nervures, la profondeur des nervures et les fissures<\/h2>\n

La jauge AWEARNess de Dayco a \u00e9t\u00e9 con\u00e7ue pour faciliter l\u2019identification des signes d\u2019usure pour les m\u00e9caniciens. Elle mesure l\u2019usure en examinant le profil et la profondeur des nervures d\u2019une courroie et d\u00e9termine \u00e9galement le nombre de fissures autoris\u00e9es\u00a0:<\/p>\n

1. Analyse du profil des nervures<\/h3>\n

PLACEZ l\u2019indicateur de profil dans les rainures de la courroie, sur une courroie neuve. Vous ne devriez pas observer de jeu lat\u00e9ral ou de flanc. Sur une courroie us\u00e9e, vous remarquerez que les nervures touchent le fond. Une courroie en EPDM neuve a un profil \u00ab\u00a0en V\u00a0\u00bb (trap\u00e9zo\u00efdal) traditionnel dans les rainures entre les nervures.<\/p>\n

2. Mesure de la profondeur des nervures<\/h3>\n

Pour mesurer la profondeur des nervures, maintenez l\u2019outil \u00e0 l\u2019horizontale et placez la courroie \u00e0 l\u2019int\u00e9rieur. V\u00e9rifiez ensuite o\u00f9 se trouve le haut de la barre. Avec une courroie neuve, la barre doit \u00eatre plus haute que le bord sup\u00e9rieur des nervures. Avec une courroie us\u00e9e, la barre est plus basse que le bord sup\u00e9rieur des nervures.<\/p>\n

3. V\u00e9rification de l\u2019absence de fissures dans la courroie<\/h3>\n

Pour mesurer la pr\u00e9sence de fissures, tenez simplement la courroie jusqu\u2019\u00e0 la vitre. Si vous constatez quatre fissures ou plus, la courroie doit \u00eatre remplac\u00e9e.[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#0174a7″ scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-4-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1″ background_hover_color_opacity=\u00a0\u00bb1″ column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3″ width=\u00a0\u00bb1\/1″ tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text]\n

Pour regarder une pr\u00e9sentation d\u00e9taill\u00e9e de l\u2019utilisation de la jauge d\u2019usure Dayco,regardez notre vid\u00e9o sur la mesure de l\u2019usure des courroies<\/a>.<\/h2>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

La plupart des v\u00e9hicules modernes utilisent des courroies auxiliaires d\u00e9sormais fabriqu\u00e9es avec des compos\u00e9s \u00e0 base d\u2019EPDM.<\/p>\n","protected":false},"featured_media":41118,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"topic":[2753],"contenttype":[2223],"th_application":[2306],"th_product":[2374,4508,4493,4512],"class_list":["post-40911","techhub","type-techhub","status-publish","has-post-thumbnail","topic-resolucion-de-problemas-na-fr","contenttype-articles-techniques","th_application-poids-lourds","th_product-courroies","th_product-heavy-duty-serpentine-belt-kits","th_product-necessaire-pour-entrainements-exigeants","th_product-trousses-de-courroie-auxiliaire"],"acf":[],"yoast_head":"\nDayco | Inspection d\u2019une courroie auxiliaire - NAM | FR<\/title>\n<meta name=\"description\" content=\"EPDM belts wear out in much the same way as tire tread, where there is a material loss from the rib surface. 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