{"id":4798,"date":"2025-08-09T06:22:34","date_gmt":"2025-08-09T06:22:34","guid":{"rendered":"https:\/\/www.xinhaowelding.com\/?p=4798"},"modified":"2025-08-09T06:22:36","modified_gmt":"2025-08-09T06:22:36","slug":"structure-working-principle-of-welding-positioner","status":"publish","type":"post","link":"https:\/\/www.xinhaowelding.com\/fr\/structure-working-principle-of-welding-positioner\/","title":{"rendered":"Structure et principe de fonctionnement du positionneur de soudage"},"content":{"rendered":"

Composition structurelle<\/a><\/h3>\n\n\n\n
    \n
  1. Base et cadre de support<\/strong>: La base est en acier et sert de fondement au cadre du rouleau de soudage. Elle a une forte capacit\u00e9 de charge et sert \u00e0 soutenir de mani\u00e8re stable d'autres composants. Le cadre de support relie la base aux autres assemblages, ce qui am\u00e9liore la stabilit\u00e9 g\u00e9n\u00e9rale et garantit un fonctionnement sans heurts.<\/li>\n\n\n\n
  2. Roues motrices et roues d'entra\u00eenement<\/strong>: Les roues motrices sont aliment\u00e9es par un moteur \u00e9lectrique via un dispositif de transmission pour fournir une force de rotation ; les roues entra\u00een\u00e9es tournent \u00e0 la suite des roues motrices pour entra\u00eener la rotation de la pi\u00e8ce \u00e0 usiner. Les deux sont plac\u00e9es horizontalement pour assurer la rotation horizontale de la pi\u00e8ce.<\/li>\n\n\n\n
  3. Rouleaux<\/strong>: Ils sont en contact direct avec la pi\u00e8ce \u00e0 usiner et sont g\u00e9n\u00e9ralement fabriqu\u00e9s dans des mat\u00e9riaux r\u00e9sistants \u00e0 l'usure, tels que le polyur\u00e9thane et le caoutchouc nitrile, qui pr\u00e9sentent de bonnes performances en mati\u00e8re de friction et de capacit\u00e9 de charge. Le nombre et la disposition des rouleaux sont divers, les types les plus courants \u00e9tant les cadres \u00e0 trois rouleaux et les cadres \u00e0 quatre rouleaux.<\/li>\n\n\n\n
  4. Moteur \u00e9lectrique et syst\u00e8me de contr\u00f4le<\/strong>: Le moteur \u00e9lectrique est la source d'\u00e9nergie. Le syst\u00e8me de commande comprend des r\u00e9gulateurs de vitesse, des dispositifs de commutation, des convertisseurs de fr\u00e9quence, etc., qui sont utilis\u00e9s pour ajuster l'\u00e9tat de fonctionnement du moteur et r\u00e9aliser le contr\u00f4le de la vitesse de rotation et de la direction de la pi\u00e8ce \u00e0 usiner.<\/li>\n\n\n\n
  5. Moteur \u00e9lectrique et syst\u00e8me de contr\u00f4le<\/strong>: Le moteur \u00e9lectrique est la source d'\u00e9nergie. Le syst\u00e8me de commande comprend des r\u00e9gulateurs de vitesse, des dispositifs de commutation, des convertisseurs de fr\u00e9quence, etc., qui sont utilis\u00e9s pour ajuster l'\u00e9tat de fonctionnement du moteur et r\u00e9aliser le contr\u00f4le de la vitesse de rotation et de la direction de la pi\u00e8ce \u00e0 usiner.<\/li>\n\n\n\n
  6. Dispositif de r\u00e9glage et dispositif de protection de s\u00e9curit\u00e9<\/strong>: Le dispositif de r\u00e9glage peut ajuster manuellement ou \u00e9lectriquement l'espacement, la hauteur et la position des rouleaux afin d'assurer la stabilit\u00e9 du placement et de la rotation de la pi\u00e8ce \u00e0 usiner. Le dispositif de protection de s\u00e9curit\u00e9 comprend des dispositifs de protection contre la surcharge du moteur, des syst\u00e8mes de protection contre la surchauffe, etc.<\/li>\n<\/ol>\n\n\n\n

    Principe de fonctionnement<\/h3>\n\n\n\n
      \n
    1. Le cadre \u00e0 rouleaux s'appuie sur la libre oscillation des paires de rouleaux pour ajuster automatiquement l'entraxe des rouleaux dans une plage sp\u00e9cifi\u00e9e, garantissant ainsi la stabilit\u00e9 des pi\u00e8ces cylindriques soud\u00e9es.<\/li>\n\n\n\n
    2. Il est entra\u00een\u00e9 par un moteur \u00e0 courant continu aliment\u00e9 par un redresseur command\u00e9 au silicium, ce qui permet de r\u00e9guler la vitesse en continu avec une large plage de vitesse de soudage et une vitesse stable.<\/li>\n\n\n\n
    3. La friction entre les rouleaux d'entra\u00eenement et les pi\u00e8ces soud\u00e9es est utilis\u00e9e pour faire tourner la pi\u00e8ce. Associ\u00e9 \u00e0 des manipulateurs de soudage et \u00e0 des sources de courant de soudage, il peut r\u00e9aliser le soudage de joints longitudinaux internes et externes ainsi que de joints circonf\u00e9rentiels internes et externes de la pi\u00e8ce \u00e0 usiner.<\/li>\n<\/ol>\n\n\n\n
      \n
      \n
      \"\"<\/figure>\n<\/div>\n\n\n\n
      \n
      \"\"<\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n

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      Composition structurelle Principe de fonctionnement 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