{"id":696,"date":"2025-02-07T17:20:00","date_gmt":"2025-02-07T09:20:00","guid":{"rendered":"https:\/\/www.amedrillsupply.ca\/?p=696"},"modified":"2025-08-25T23:45:08","modified_gmt":"2025-08-25T15:45:08","slug":"solve-dth-drill-bits-failure","status":"publish","type":"post","link":"https:\/\/www.amedrillsupply.ca\/fr\/solve-dth-drill-bits-failure\/","title":{"rendered":"6 fa\u00e7ons de r\u00e9soudre le probl\u00e8me des forets DTH"},"content":{"rendered":"<h2 class=\"wp-block-heading\">1. Rupture de la surface d'appui de l'anneau du mandrin<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Causes probables :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Anneaux de serrage des m\u00e8ches us\u00e9s<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Lubrification insuffisante<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Douille de guidage us\u00e9e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Actions sugg\u00e9r\u00e9es :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- V\u00e9rifier l'\u00e9tat du tr\u00e9pan, des anneaux de retenue et de la douille de guidage avant le forage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Veiller \u00e0 l'utilisation d'une huile de marteau appropri\u00e9e et suffisante<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Remplacer les \u00e9l\u00e9ments vieillissants du marteau par des \u00e9l\u00e9ments neufs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Rupture \u00e0 travers les cannelures<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Causes probables :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- En ce qui concerne le diam\u00e8tre du marteau DTH, le diam\u00e8tre de la t\u00eate du tr\u00e9pan est trop grand.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Trop de couple<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Sous-cha\u00eene de conducteur us\u00e9e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Actions sugg\u00e9r\u00e9es :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Modifier les r\u00e9glages de per\u00e7age pour les m\u00e8ches surdimensionn\u00e9es<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Utiliser un marteau DTH plus grand, adapt\u00e9 \u00e0 la taille du tr\u00e9pan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Ajuster le couple en fonction de l'\u00e9tat de la roche<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Remplacer les composants us\u00e9s du marteau par des pi\u00e8ces neuves<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Break-across-the-Chuck-Ring-Bearing-Surface.jpg\" alt=\"Break across the Chuck Ring Bearing Surface\" class=\"wp-image-6709\" srcset=\"https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Break-across-the-Chuck-Ring-Bearing-Surface.jpg 800w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Break-across-the-Chuck-Ring-Bearing-Surface-300x300.jpg 300w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Break-across-the-Chuck-Ring-Bearing-Surface-150x150.jpg 150w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Break-across-the-Chuck-Ring-Bearing-Surface-768x768.jpg 768w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Break-across-the-Chuck-Ring-Bearing-Surface-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Rupture de la surface d'appui de la bague de mandrin<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3. Rupture de la face de frappe du piston<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Causes probables :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Douille de guidage us\u00e9e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Piston, anneau de retenue de l'embout ou sous-piston d'entra\u00eenement us\u00e9s<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Actions sugg\u00e9r\u00e9es :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- V\u00e9rifier l'\u00e9tat du piston, des bagues de maintien de l'embout, de l'embout d'entra\u00eenement et de l'embout d'entra\u00eenement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Guidage de la douille avant le per\u00e7age<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-Remplacer les composants us\u00e9s du marteau par des pi\u00e8ces neuves<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. L\u00e9sions de l'\u00e9paule<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Causes probables :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Force d'alimentation incorrecte<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Actions sugg\u00e9r\u00e9es :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Ajuster la force d'avance pour que le carbure continue \u00e0 travailler contre la roche ; l'augmenter sur les roches plus tendres mais la r\u00e9duire au fur et \u00e0 mesure que l'on ajoute des tiges de forage, ce qui augmente naturellement la force d'avance.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-Striking-Face-Breakage.jpg\" alt=\"Piston Striking Face Breakage\" class=\"wp-image-6782\" srcset=\"https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-Striking-Face-Breakage.jpg 800w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-Striking-Face-Breakage-300x300.jpg 300w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-Striking-Face-Breakage-150x150.jpg 150w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-Striking-Face-Breakage-768x768.jpg 768w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-Striking-Face-Breakage-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Rupture de la face de frappe du piston<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. D\u00e9t\u00e9rioration de la face de frappe du piston<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Causes probables :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Lubrification insuffisante<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- D\u00e9bris coinc\u00e9s entre le tr\u00e9pan et le piston<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Actions sugg\u00e9r\u00e9es :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Veiller \u00e0 l'utilisation d'une huile de marteau appropri\u00e9e et suffisante<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Maintenir l'\u00e9tanch\u00e9it\u00e9 des joints de marteaux et nettoyer r\u00e9guli\u00e8rement le support de l'entra\u00eeneur, la bague de retenue de l'embout et les cannelures d'entra\u00eenement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Inspecter l'assemblage du clapet anti-retour pour s'assurer de son bon fonctionnement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Clapet de pied cass\u00e9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Causes probables :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Piston, cannelures d'entra\u00eenement ou sous-piston us\u00e9s<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- D\u00e9salignement<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Manque de lubrification<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Actions sugg\u00e9r\u00e9es :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- V\u00e9rifier l'\u00e9tat du piston, du tr\u00e9pan et de l'entra\u00eeneur avant le forage<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Remplacer les composants us\u00e9s du marteau par des pi\u00e8ces neuves<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Utiliser des outils d'alignement et des m\u00e9thodes de forage pour obtenir des trous plus droits ; opter pour des tr\u00e9pans \u00e0 face concave.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Utiliser une huile de marteau adapt\u00e9e et en quantit\u00e9 suffisante<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-striking-face-damage.jpg\" alt=\"Piston striking face damage\" class=\"wp-image-6781\" srcset=\"https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-striking-face-damage.jpg 800w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-striking-face-damage-300x300.jpg 300w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-striking-face-damage-150x150.jpg 150w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-striking-face-damage-768x768.jpg 768w, https:\/\/www.amedrillsupply.ca\/wp-content\/uploads\/2025\/02\/Piston-striking-face-damage-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">D\u00e9t\u00e9rioration de la face de frappe du piston<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez 6 fa\u00e7ons de rem\u00e9dier aux d\u00e9faillances des forets DTH, comme les ruptures de cannelures et les dommages aux pistons, gr\u00e2ce \u00e0 des conseils sur la lubrification, le remplacement des pi\u00e8ces et l'ajustement des param\u00e8tres de forage.<\/p>","protected":false},"author":1,"featured_media":6709,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drill-college"],"_links":{"self":[{"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/posts\/696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/comments?post=696"}],"version-history":[{"count":3,"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/posts\/696\/revisions"}],"predecessor-version":[{"id":6783,"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/posts\/696\/revisions\/6783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/media\/6709"}],"wp:attachment":[{"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/media?parent=696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/categories?post=696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.amedrillsupply.ca\/fr\/wp-json\/wp\/v2\/tags?post=696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}