{"id":4015,"date":"2026-07-18T21:08:32","date_gmt":"2026-07-18T13:08:32","guid":{"rendered":"https:\/\/www.hafniumtech.com\/?p=4015"},"modified":"2026-07-18T21:08:32","modified_gmt":"2026-07-18T13:08:32","slug":"lgk-63igbt-plasma-cutter-no-arc-ignition-the-hidden-problem-with-torch-adapter-connectors","status":"publish","type":"post","link":"https:\/\/www.hafniumtech.com\/fr\/lgk-63igbt-plasma-cutter-no-arc-ignition-the-hidden-problem-with-torch-adapter-connectors\/","title":{"rendered":"D\u00e9coupeuse plasma LGK-63IGBT sans allumage par arc : le probl\u00e8me cach\u00e9 des connecteurs d'adaptateur de torche"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"281\" data-end=\"426\"><strong data-start=\"281\" data-end=\"294\">Mots-cl\u00e9s :<\/strong> LGK-63IGBT, d\u00e9coupeuse plasma qui ne s'allume pas, d\u00e9faillance de l'arc pilote, adaptateur de torche plasma, torche M14, torche M15, d\u00e9pannage de la d\u00e9coupe plasma<\/p>\n<p data-start=\"428\" data-end=\"553\">De nombreux utilisateurs pensent que lorsqu'un d\u00e9coupeur au plasma ne parvient pas \u00e0 produire un arc, le probl\u00e8me doit provenir de la source d'alimentation ou de la torche \u00e0 plasma.<\/p>\n<p data-start=\"555\" data-end=\"664\">Cependant, un cas r\u00e9cent concernant un client a d\u00e9montr\u00e9 que la v\u00e9ritable cause peut \u00eatre bien plus simple \u2014 et bien plus facile \u00e0 n\u00e9gliger.<\/p>\n<h2 data-section-id=\"6ogpbp\" data-start=\"666\" data-end=\"682\">T\u00e9moignage client<\/h2>\n<p data-start=\"684\" data-end=\"743\">Le client utilisait un <strong data-start=\"710\" data-end=\"742\">D\u00e9coupeuse au plasma \u00e0 air LGK-63IGBT<\/strong>.<\/p>\n<p data-start=\"745\" data-end=\"850\">La machine s'est mise en marche normalement, la pression d'air \u00e9tait normale, mais <strong data-start=\"807\" data-end=\"849\">l'arc pilote n'a pas pu \u00eatre \u00e9tabli<\/strong>.<\/p>\n<p data-start=\"852\" data-end=\"902\">Dans un premier temps, plusieurs causes possibles ont \u00e9t\u00e9 envisag\u00e9es :<\/p>\n<ul data-start=\"904\" data-end=\"1004\">\n<li data-section-id=\"1oeed6u\" data-start=\"904\" data-end=\"933\">Panne de l'alimentation \u00e9lectrique du plasma<\/li>\n<li data-section-id=\"1skuk14\" data-start=\"934\" data-end=\"956\">Panne de la torche \u00e0 plasma<\/li>\n<li data-section-id=\"i6zn13\" data-start=\"957\" data-end=\"978\">Consommables endommag\u00e9s<\/li>\n<li data-section-id=\"11aocam\" data-start=\"979\" data-end=\"1004\">Connexions de c\u00e2bles mal fix\u00e9es<\/li>\n<\/ul>\n<p data-start=\"1006\" data-end=\"1078\">Apr\u00e8s avoir v\u00e9rifi\u00e9 ces \u00e9l\u00e9ments, tout semblait fonctionner correctement.<\/p>\n<p data-start=\"1080\" data-end=\"1137\">Le v\u00e9ritable probl\u00e8me s'est av\u00e9r\u00e9 \u00eatre tout autre que ce \u00e0 quoi on s'attendait.<\/p>\n<h2 data-section-id=\"1iyl0qv\" data-start=\"1139\" data-end=\"1156\">La v\u00e9ritable cause<\/h2>\n<p data-start=\"1158\" data-end=\"1218\">La machine d'origine utilise un <strong data-start=\"1186\" data-end=\"1217\">Connecteur de lampe de 14 mm (M14)<\/strong>.<\/p>\n<p data-start=\"1220\" data-end=\"1330\">Cependant, le client a install\u00e9 un <strong data-start=\"1255\" data-end=\"1277\">Adaptateur M14-M15<\/strong> afin de pouvoir y raccorder une autre torche \u00e0 plasma.<\/p>\n<p data-start=\"1332\" data-end=\"1407\">Lors de l'inspection, il s'est av\u00e9r\u00e9 que l'adaptateur lui-m\u00eame \u00e9tait d\u00e9fectueux.<\/p>\n<p data-start=\"1409\" data-end=\"1533\">L'adaptateur permettait d'installer physiquement la torche, mais <strong data-start=\"1471\" data-end=\"1532\">le circuit \u00e9lectrique \u00e0 l'int\u00e9rieur de l'adaptateur n'\u00e9tait pas continu<\/strong>.<\/p>\n<p data-start=\"1535\" data-end=\"1547\">En cons\u00e9quence :<\/p>\n<ul data-start=\"1549\" data-end=\"1714\">\n<li data-section-id=\"1ng5s1z\" data-start=\"1549\" data-end=\"1574\">L'air pourrait passer \u00e0 travers.<\/li>\n<li data-section-id=\"1c6jooz\" data-start=\"1575\" data-end=\"1658\">Le courant \u00e9lectrique n\u00e9cessaire \u00e0 l'allumage de l'arc pilote n'a pas pu atteindre la torche.<\/li>\n<li data-section-id=\"1ihzker\" data-start=\"1659\" data-end=\"1714\">Par cons\u00e9quent, l'arc plasma n'a jamais pu se former.<\/li>\n<\/ul>\n<p data-start=\"1716\" data-end=\"1800\">Une fois l'adaptateur d\u00e9fectueux retir\u00e9 et remplac\u00e9, le d\u00e9coupeur plasma a fonctionn\u00e9 normalement.<\/p>\n<h2 data-section-id=\"1ppln6c\" data-start=\"1802\" data-end=\"1821\">Pourquoi cela se produit-il ?<\/h2>\n<p data-start=\"1823\" data-end=\"1900\">De nombreux raccords adaptateurs du march\u00e9 des pi\u00e8ces de rechange sont con\u00e7us uniquement pour correspondre au diam\u00e8tre du filetage.<\/p>\n<p data-start=\"1902\" data-end=\"1990\">Cependant, le raccordement d'un chalumeau \u00e0 plasma n\u00e9cessite <strong data-start=\"1946\" data-end=\"1989\">\u00e0 la fois la circulation d'air et la continuit\u00e9 \u00e9lectrique<\/strong>.<\/p>\n<p data-start=\"1992\" data-end=\"2022\">Un adaptateur adapt\u00e9 doit pr\u00e9senter les caract\u00e9ristiques suivantes :<\/p>\n<ul data-start=\"2024\" data-end=\"2130\">\n<li data-section-id=\"h9be8j\" data-start=\"2024\" data-end=\"2051\">Filetage m\u00e9canique correct<\/li>\n<li data-section-id=\"1rvh2wq\" data-start=\"2052\" data-end=\"2072\">Passage d'air \u00e9tanche<\/li>\n<li data-section-id=\"fy8nrm\" data-start=\"2073\" data-end=\"2105\">Une conduction \u00e9lectrique fiable<\/li>\n<li data-section-id=\"14oi4qn\" data-start=\"2106\" data-end=\"2130\">Faible r\u00e9sistance de contact<\/li>\n<\/ul>\n<p data-start=\"2132\" data-end=\"2265\">Si l'une de ces conditions n'est pas remplie, le d\u00e9coupeur au plasma risque de ne pas s'allumer, m\u00eame si la machine elle-m\u00eame fonctionne correctement.<\/p>\n<h2 data-section-id=\"1uq0cji\" data-start=\"2267\" data-end=\"2305\">Comment v\u00e9rifier un adaptateur de chalumeau \u00e0 plasma<\/h2>\n<p data-start=\"2307\" data-end=\"2397\">Si votre d\u00e9coupeuse au plasma ne parvient pas \u00e0 d\u00e9clencher l'arc apr\u00e8s l'installation d'un adaptateur, proc\u00e9dez comme suit :<\/p>\n<ol data-start=\"2399\" data-end=\"2722\">\n<li data-section-id=\"ui0223\" data-start=\"2399\" data-end=\"2447\">D\u00e9branchez l'appareil du secteur.<\/li>\n<li data-section-id=\"1pstz3\" data-start=\"2448\" data-end=\"2470\">Retirez l'adaptateur.<\/li>\n<li data-section-id=\"ibu4aa\" data-start=\"2471\" data-end=\"2510\">Utilisez un multim\u00e8tre en mode continuit\u00e9.<\/li>\n<li data-section-id=\"1jz8h21\" data-start=\"2511\" data-end=\"2641\">V\u00e9rifiez si la borne de sortie \u00e9lectrique de la source de plasma est reli\u00e9e \u00e9lectriquement au c\u00f4t\u00e9 torche de l'adaptateur.<\/li>\n<li data-section-id=\"1ty8g44\" data-start=\"2642\" data-end=\"2722\">V\u00e9rifiez que l'adaptateur assure \u00e0 la fois le passage de l'air et la conduction \u00e9lectrique.<\/li>\n<\/ol>\n<p data-start=\"2724\" data-end=\"2814\">S'il y a <strong data-start=\"2736\" data-end=\"2764\">absence de continuit\u00e9 \u00e9lectrique<\/strong>, l'adaptateur est d\u00e9fectueux et doit \u00eatre remplac\u00e9.<\/p>\n<h2 data-section-id=\"19maihm\" data-start=\"2816\" data-end=\"2834\">Sympt\u00f4mes courants<\/h2>\n<p data-start=\"2836\" data-end=\"2909\">Un adaptateur de lampe d\u00e9fectueux peut pr\u00e9senter un ou plusieurs des sympt\u00f4mes suivants :<\/p>\n<ul data-start=\"2911\" data-end=\"3108\">\n<li data-section-id=\"1huh9y0\" data-start=\"2911\" data-end=\"2940\">Le d\u00e9coupeur au plasma ne s'allume pas<\/li>\n<li data-section-id=\"1pj4o5z\" data-start=\"2941\" data-end=\"2955\">Pas d'arc pilote<\/li>\n<li data-section-id=\"1tif6ok\" data-start=\"2956\" data-end=\"2994\">L'air circule normalement, mais aucun arc ne se forme<\/li>\n<li data-section-id=\"10l7r9p\" data-start=\"2995\" data-end=\"3034\">La machine n'affiche aucun code d'erreur apparent<\/li>\n<li data-section-id=\"1ka592x\" data-start=\"3035\" data-end=\"3070\">Les consommables sont en bon \u00e9tat<\/li>\n<li data-section-id=\"1yl2spx\" data-start=\"3071\" data-end=\"3108\">Le chalumeau semble fonctionner normalement, mais ne parvient pas \u00e0 couper<\/li>\n<\/ul>\n<p data-start=\"3110\" data-end=\"3227\">Ces sympt\u00f4mes am\u00e8nent souvent les utilisateurs \u00e0 soup\u00e7onner la machine ou la torche, alors que la cause r\u00e9elle r\u00e9side dans le connecteur de l'adaptateur.<\/p>\n<h2 data-section-id=\"qmihdn\" data-start=\"3229\" data-end=\"3245\">Conseil technique<\/h2>\n<p data-start=\"3247\" data-end=\"3309\">Un adaptateur pour chalumeau \u00e0 plasma est <strong data-start=\"3273\" data-end=\"3308\">pas simplement un raccord filet\u00e9<\/strong>.<\/p>\n<p data-start=\"3311\" data-end=\"3365\">Il fait partie du circuit de transmission du courant de la machine.<\/p>\n<p data-start=\"3367\" data-end=\"3455\">M\u00eame une petite interruption \u00e0 l'int\u00e9rieur de l'adaptateur peut emp\u00eacher totalement l'allumage de l'arc plasma.<\/p>\n<p data-start=\"3457\" data-end=\"3509\">V\u00e9rifiez toujours qu'un adaptateur tiers offre les fonctionnalit\u00e9s suivantes :<\/p>\n<ul data-start=\"3511\" data-end=\"3627\">\n<li data-section-id=\"1evwi9h\" data-start=\"3511\" data-end=\"3539\">Continuit\u00e9 \u00e9lectrique totale<\/li>\n<li data-section-id=\"aaoncz\" data-start=\"3540\" data-end=\"3560\">Une \u00e9tanch\u00e9it\u00e9 \u00e0 l'air ad\u00e9quate<\/li>\n<li data-section-id=\"1lm9u52\" data-start=\"3561\" data-end=\"3591\">Dimensions correctes du connecteur<\/li>\n<li data-section-id=\"kwwvvk\" data-start=\"3592\" data-end=\"3627\">Mat\u00e9riaux conducteurs de haute qualit\u00e9<\/li>\n<\/ul>\n<h2 data-section-id=\"8dtpi\" data-start=\"3629\" data-end=\"3642\">Conclusion<\/h2>\n<p data-start=\"3644\" data-end=\"3757\">Ce cas client montre que tous les probl\u00e8mes li\u00e9s \u00e0 la d\u00e9coupe au plasma ne sont pas n\u00e9cessairement dus \u00e0 la source d'alimentation ou \u00e0 la torche.<\/p>\n<p data-start=\"3759\" data-end=\"3865\">Parfois, un petit accessoire comme un <strong data-start=\"3798\" data-end=\"3815\">adaptateur pour lampe torche<\/strong> peut emp\u00eacher compl\u00e8tement un d\u00e9coupeur au plasma de fonctionner.<\/p>\n<p data-start=\"3867\" data-end=\"4035\">Lors du d\u00e9pannage d'un d\u00e9coupeur plasma qui s'allume mais ne produit pas d'arc, v\u00e9rifiez toujours les rallonges ou les adaptateurs avant de remplacer des composants co\u00fbteux.<\/p>\n<p data-start=\"4037\" data-end=\"4137\">Un simple test de continuit\u00e9 \u00e0 l'aide d'un multim\u00e8tre peut permettre de gagner beaucoup de temps, de r\u00e9duire consid\u00e9rablement les co\u00fbts et d'\u00e9viter des r\u00e9parations inutiles.<\/p>","protected":false},"excerpt":{"rendered":"<p>Keywords: LGK-63IGBT, Plasma Cutter Not Firing, Pilot Arc Failure, Plasma Torch Adapter, M14 Torch, M15 Torch, Plasma Cutting Troubleshooting Many users assume that when a plasma cutter cannot generate an arc, the problem must be the power source or the plasma torch. However, one recent customer case proved that the real cause can be much [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4016,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-4015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LGK-63IGBT Plasma Cutter No Arc Ignition: The Hidden Problem with Torch Adapter Connectors - HafniumTech<\/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.hafniumtech.com\/fr\/lgk-63igbt-plasma-cutter-no-arc-ignition-the-hidden-problem-with-torch-adapter-connectors\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LGK-63IGBT Plasma Cutter No Arc Ignition: The Hidden Problem with Torch Adapter Connectors\" \/>\n<meta property=\"og:description\" content=\"Keywords: LGK-63IGBT, Plasma Cutter Not Firing, Pilot Arc Failure, Plasma Torch Adapter, M14 Torch, M15 Torch, Plasma Cutting Troubleshooting Many users assume that when a plasma cutter cannot generate an arc, the problem must be the power source or the plasma torch. 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