{"id":3217,"date":"2025-07-22T05:24:02","date_gmt":"2025-07-22T05:24:02","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&p=3217"},"modified":"2025-07-22T09:51:30","modified_gmt":"2025-07-22T09:51:30","slug":"cmn-nrv-worm-gear-reducers-worm-gearbox","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/fr\/produit\/cmn-nrv-worm-gear-reducers-worm-gearbox\/","title":{"rendered":"R\u00e9ducteurs \u00e0 vis sans fin\/R\u00e9ducteurs \u00e0 vis sans fin CMN-NRV"},"content":{"rendered":"

Le CMN-NRV est un mod\u00e8le de r\u00e9ducteur \u00e0 vis sans fin de la s\u00e9rie RV. CMN-NMRV signifie entr\u00e9e par bride, et CMN-NRV signifie entr\u00e9e par arbre. Le r\u00e9ducteur \u00e0 vis sans fin CMN-NRV est g\u00e9n\u00e9ralement \u00e9quip\u00e9 d'un arbre d'entr\u00e9e simple, mais il existe \u00e9galement des versions \u00e0 double arbre d'entr\u00e9e, adapt\u00e9es \u00e0 divers besoins de transmission. Les sorties peuvent \u00eatre \u00e0 orifice creux ou \u00e0 bride. Sa structure interne, compos\u00e9e d'une vis sans fin et d'une roue dent\u00e9e, offre une conception compacte, un rapport de transmission \u00e9lev\u00e9 et une fonction d'autoblocage dans certaines conditions. Les r\u00e9ducteurs \u00e0 vis sans fin CMN-NRV, fabriqu\u00e9s par CMN, se distinguent par une transmission fluide et un faible niveau sonore.<\/p>\n

Les r\u00e9ducteurs \u00e0 vis sans fin de la s\u00e9rie CMN-NRV offrent des rapports de r\u00e9duction de 5 \u00e0 1000, adapt\u00e9s \u00e0 de nombreuses applications industrielles. Disponibles en diff\u00e9rentes configurations (engrenage simple avec adaptateur moteur IEC, engrenage \u00e0 vis sans fin double et combinaisons h\u00e9lico\u00efdales\/vis sans fin int\u00e9gr\u00e9es), les r\u00e9ducteurs \u00e0 vis sans fin CMN-NRV sont polyvalents et largement utilis\u00e9s dans divers secteurs, notamment la manutention, l'automatisation industrielle, la m\u00e9canique, l'agroalimentaire, les \u00e9nergies renouvelables, l'exploitation mini\u00e8re, le secteur maritime et l'industrie en g\u00e9n\u00e9ral. Ils alimentent convoyeurs, robots, grues, lignes de remplissage, syst\u00e8mes d'\u00e9nergies renouvelables, etc., garantissant fiabilit\u00e9, pr\u00e9cision de mouvement et couple \u00e9lev\u00e9 dans des environnements vari\u00e9s.<\/p>\n

\"R\u00e9ducteur<\/p>\n

Sp\u00e9cifications du r\u00e9ducteur \u00e0 vis sans fin CMN-NRV<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Taper<\/strong><\/td>\nR\u00e9ducteur de vitesse \u00e0 vis sans fin \/ Bo\u00eete de vitesses \u00e0 vis sans fin<\/td>\n<\/tr>\n
MOD\u00c8LE CMN-NRV<\/strong><\/td>\nCMN-NRV25, CMN-NRV30, CMN-NRV40, CMN-NRV50, CMN-NRV63, CMN-NRV75, CMN-NRV90, CMN-NRV110, CMN-NRV130<\/td>\n<\/tr>\n
Pouvoir<\/strong><\/td>\n0,12 kW - 15 kW<\/td>\n<\/tr>\n
Rapport<\/strong><\/td>\n1\/7.5,1\/10,1\/15,1\/20,1\/15,1\/30,1\/40,1\/50,1\/60,1\/80,1\/100<\/td>\n<\/tr>\n
Couleur<\/strong><\/td>\nBleu (RAL 5010), gris argent\u00e9 (RAL 9022) ou sur demande<\/td>\n<\/tr>\n
Mat\u00e9riel<\/strong><\/td>\nBo\u00eetier\/Bride : Alliage d'aluminium<\/td>\n<\/tr>\n
Engrenage \u00e0 vis sans fin : cuivre 9-4 et fonte nodulaire<\/td>\n<\/tr>\n
M\u00e8che : acier 20CrMnTi c\u00e9ment\u00e9 et tremp\u00e9, duret\u00e9 superficielle de 56 \u00e0 62 HRC<\/td>\n<\/tr>\n
Arbre : acier au chrome-45#<\/td>\n<\/tr>\n
Bride IEC<\/strong><\/td>\nBrides conformes \u00e0 la norme CEI 56B14, 63B14, 63B5, 71B14, 80B14, etc.<\/td>\n<\/tr>\n
Lubrifiant<\/strong><\/td>\nSynth\u00e9tique et min\u00e9ral<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Dimensions du r\u00e9ducteur \u00e0 vis sans fin CMN-NRV<\/h2>\n

\"Dimensions<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
CMN-NRV<\/span><\/strong><\/td>\n025<\/strong><\/td>\n030<\/strong><\/td>\n040<\/strong><\/td>\n050<\/strong><\/td>\n063<\/strong><\/td>\n075<\/strong><\/td>\n090<\/strong><\/td>\n110<\/strong><\/td>\n130<\/strong><\/td>\n<\/tr>\n
B<\/span><\/strong><\/td>\n20<\/td>\n20<\/td>\n23<\/td>\n30<\/td>\n40<\/td>\n50<\/td>\n50<\/td>\n60<\/td>\n80<\/td>\n<\/tr>\n
D1<\/span><\/strong><\/td>\n9 j6<\/span><\/td>\n9 j6<\/span><\/td>\n11 j6<\/span><\/td>\n14 j6<\/span><\/td>\n19 j6<\/span><\/td>\n24 j6<\/span><\/td>\n24 j6<\/span><\/td>\n28 j6<\/span><\/td>\n30 j6<\/span><\/td>\n<\/tr>\n
G2<\/span><\/strong><\/td>\n38<\/td>\n51<\/td>\n60<\/td>\n74<\/td>\n90<\/td>\n105<\/td>\n125<\/td>\n142<\/td>\n162<\/td>\n<\/tr>\n
G3<\/span><\/strong><\/td>\n37<\/td>\n45<\/td>\n53<\/td>\n64<\/td>\n75<\/td>\n90<\/td>\n108<\/td>\n135<\/td>\n155<\/td>\n<\/tr>\n
je<\/span><\/strong><\/td>\n25<\/td>\n30<\/td>\n40<\/td>\n50<\/td>\n63<\/td>\n75<\/td>\n90<\/td>\n110<\/td>\n130<\/td>\n<\/tr>\n
b1<\/span><\/strong><\/td>\n3<\/td>\n3<\/td>\n4<\/td>\n5<\/td>\n6<\/td>\n8<\/td>\n8<\/td>\n8<\/td>\n8<\/td>\n<\/tr>\n
f1<\/span><\/strong><\/td>\n–<\/span><\/td>\n–<\/span><\/td>\n–<\/span><\/td>\nM6<\/span><\/td>\nM6<\/span><\/td>\nM8<\/span><\/td>\nM8<\/span><\/td>\nM10<\/span><\/td>\nM10<\/span><\/td>\n<\/tr>\n
t1<\/span><\/strong><\/td>\n10.2<\/td>\n10.2<\/td>\n12.5<\/td>\n16<\/td>\n21.5<\/td>\n27<\/td>\n27<\/td>\n31<\/td>\n33<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Dimensions de l'arbre \u00e0 basse vitesse<\/h2>\n

\"Dimensions<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
CMN-NRV<\/span><\/strong><\/td>\nd<\/span><\/strong><\/td>\nB<\/span><\/strong><\/td>\nB1<\/span><\/strong><\/td>\nG1<\/span><\/strong><\/td>\nL<\/span><\/strong><\/td>\nL1<\/span><\/strong><\/td>\nf<\/span><\/strong><\/td>\nb1<\/span><\/strong><\/td>\nt1<\/span><\/strong><\/td>\n<\/tr>\n
025<\/strong><\/td>\n11g6 (9)<\/span><\/td>\n23
\n<\/span>(25)<\/span><\/td>\n		25.5
\n<\/span>(30)<\/span><\/td>\n		50<\/td>\n81
\n<\/span>(85.5)<\/span><\/td>\n		101<\/td>\n–<\/span><\/td>\n4
\n<\/span>(3)<\/span><\/td>\n		12.5
\n<\/span>(10.2)<\/span><\/td>\n<\/tr>\n
030<\/strong><\/td>\n14g6<\/span><\/td>\n30<\/td>\n32.5<\/td>\n63<\/td>\n102<\/td>\n128<\/td>\nM6<\/span><\/td>\n5<\/td>\n16<\/td>\n<\/tr>\n
040<\/strong><\/td>\n18h6<\/span><\/td>\n40<\/td>\n43<\/td>\n78<\/td>\n128<\/td>\n164<\/td>\nM6<\/span><\/td>\n6<\/td>\n20.5<\/td>\n<\/tr>\n
050<\/strong><\/td>\n25h6<\/span><\/td>\n50<\/td>\n53.5<\/td>\n92<\/td>\n153<\/td>\n199<\/td>\nM10<\/span><\/td>\n8<\/td>\n28<\/td>\n<\/tr>\n
063<\/strong><\/td>\n25h6<\/span><\/td>\n50<\/td>\n53.5<\/td>\n112<\/td>\n173<\/td>\n219<\/td>\nM10<\/span><\/td>\n8<\/td>\n28<\/td>\n<\/tr>\n
075<\/strong><\/td>\n28h6<\/span><\/td>\n60<\/td>\n63.5<\/td>\n120<\/td>\n192<\/td>\n247<\/td>\nM10<\/span><\/td>\n8<\/td>\n31<\/td>\n<\/tr>\n
090<\/strong><\/td>\n35h6<\/span><\/td>\n80<\/td>\n84.5<\/td>\n140<\/td>\n234<\/td>\n309<\/td>\nM12<\/span><\/td>\n10<\/td>\n38<\/td>\n<\/tr>\n
110<\/strong><\/td>\n42h6<\/span><\/td>\n80<\/td>\n84.5<\/td>\n155<\/td>\n249<\/td>\n324<\/td>\nM16<\/span><\/td>\n12<\/td>\n45<\/td>\n<\/tr>\n
130<\/strong><\/td>\n45h6<\/span><\/td>\n80<\/td>\n85<\/td>\n170<\/td>\n265<\/td>\n340<\/td>\nM16<\/span><\/td>\n14<\/td>\n48.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Dimensions de la housse de protection<\/h2>\n

\"Dimensions<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
CMN-NRV<\/span><\/strong><\/td>\nN2<\/span><\/strong><\/td>\n<\/tr>\n
030<\/strong><\/td>\n42<\/td>\n<\/tr>\n
040<\/strong><\/td>\n50<\/td>\n<\/tr>\n
050<\/strong><\/td>\n58<\/td>\n<\/tr>\n
063<\/strong><\/td>\n69<\/td>\n<\/tr>\n
075<\/strong><\/td>\n74<\/td>\n<\/tr>\n
090<\/strong><\/td>\n86<\/td>\n<\/tr>\n
110<\/strong><\/td>\n94<\/td>\n<\/tr>\n
130<\/strong><\/td>\n102<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Dimensions du bras de couple<\/h2>\n

\"Dimensions<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
CMN-NRV<\/span><\/strong><\/td>\nK1<\/span><\/strong><\/td>\nG<\/span><\/strong><\/td>\nKG<\/span><\/strong><\/td>\nKH<\/span><\/strong><\/td>\nR<\/span><\/strong><\/td>\n<\/tr>\n
025<\/strong><\/td>\n70<\/td>\n14<\/td>\n17.5<\/td>\n8<\/td>\n15<\/td>\n<\/tr>\n
030<\/strong><\/td>\n85<\/td>\n14<\/td>\n24<\/td>\n8<\/td>\n15<\/td>\n<\/tr>\n
040<\/strong><\/td>\n100<\/td>\n14<\/td>\n31.5<\/td>\n10<\/td>\n18<\/td>\n<\/tr>\n
050<\/strong><\/td>\n100<\/td>\n14<\/td>\n38.5<\/td>\n10<\/td>\n18<\/td>\n<\/tr>\n
063<\/strong><\/td>\n150<\/td>\n14<\/td>\n49<\/td>\n10<\/td>\n18<\/td>\n<\/tr>\n
075<\/strong><\/td>\n200<\/td>\n25<\/td>\n47.5<\/td>\n20<\/td>\n30<\/td>\n<\/tr>\n
090<\/strong><\/td>\n200<\/td>\n25<\/td>\n57.5<\/td>\n20<\/td>\n30<\/td>\n<\/tr>\n
110<\/strong><\/td>\n250<\/td>\n30<\/td>\n62<\/td>\n25<\/td>\n35<\/td>\n<\/tr>\n
130<\/strong><\/td>\n250<\/td>\n30<\/td>\n69<\/td>\n25<\/td>\n35<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pi\u00e8ces de bo\u00eete de vitesses \u00e0 vis sans fin CMN-NRV<\/h2>\n
    \n
  • Arbre \u00e0 vis sans fin<\/strong>
    \nL'arbre \u00e0 vis sans fin est un composant h\u00e9lico\u00efdal en acier ou alliage haute r\u00e9sistance. Il entra\u00eene la roue dent\u00e9e en transmettant un mouvement de rotation. Sa surface usin\u00e9e avec pr\u00e9cision assure un contact optimal avec la roue dent\u00e9e, minimisant les frottements et optimisant le rendement.<\/li>\n
  • Engrenage \u00e0 vis sans fin<\/strong>
    \nThe worm gear, typically made from bronze or brass, works in tandem with the worm shaft. Its high wear resistance and compatibility with the worm shaft ensure durability. The gear’s teeth are designed for precise engagement, enabling smooth power transmission.<\/li>\n
  • Logement<\/strong>
    \nLe carter de la bo\u00eete de vitesses, g\u00e9n\u00e9ralement en fonte ou en alliage d'aluminium, renferme et prot\u00e8ge tous les composants internes. Il assure la stabilit\u00e9 structurelle, dissipe efficacement la chaleur et garantit un fonctionnement de la bo\u00eete de vitesses avec des vibrations et un niveau sonore r\u00e9duits.<\/li>\n
  • Arbre d'entr\u00e9e<\/strong>
    \nL'arbre d'entr\u00e9e relie la source d'\u00e9nergie au m\u00e9canisme \u00e0 vis sans fin. Con\u00e7u pour un couple et une vitesse \u00e9lev\u00e9s, il assure une transmission de puissance fluide. Sa conception peut varier, avec des configurations simples ou doubles selon les besoins de l'application.<\/li>\n
  • arbre de sortie<\/strong>
    \nL'arbre de sortie transmet la vitesse r\u00e9duite et le couple accru \u00e0 la machine. Sa construction robuste lui permet de supporter des charges importantes. Disponible en versions creuse ou pleine, il s'adapte \u00e0 diverses applications industrielles.<\/li>\n
  • Roulements<\/strong>
    \nHigh-quality bearings support the worm shaft and worm gear, ensuring smooth rotation and reducing friction. These components play a critical role in enhancing the gearbox’s longevity by handling radial and axial loads efficiently.<\/li>\n
  • Joints d'\u00e9tanch\u00e9it\u00e9 \u00e0 l'huile<\/strong>
    \nOil seals are essential for retaining the lubrication inside the gearbox while preventing contaminants like dust or moisture from entering. They ensure the internal components remain well-lubricated, reducing wear and improving the gearbox’s overall lifespan.<\/li>\n<\/ul>\n

    \"Pi\u00e8ces<\/p>\n

    Applications des r\u00e9ducteurs \u00e0 vis sans fin CMN-NRV<\/h2>\n
      \n
    • \u00c9quipements de manutention<\/strong>
      \nLes r\u00e9ducteurs \u00e0 vis sans fin CMN-NRV sont largement utilis\u00e9s dans les convoyeurs, les palans et les monte-charges des syst\u00e8mes de manutention. Leur couple \u00e9lev\u00e9 et leur syst\u00e8me autobloquant garantissent un d\u00e9placement s\u00fbr et pr\u00e9cis des charges lourdes, assurant ainsi une performance fiable dans les entrep\u00f4ts, les usines et les centres logistiques.<\/li>\n
    • Automatisation industrielle<\/strong>
      \nCes r\u00e9ducteurs \u00e0 vis sans fin jouent un r\u00f4le crucial dans les syst\u00e8mes d'automatisation tels que les bras robotis\u00e9s et les cha\u00eenes de montage automatis\u00e9es. Leur capacit\u00e9 \u00e0 assurer un contr\u00f4le pr\u00e9cis du mouvement et leur conception compacte permettent d'optimiser l'espace et garantissent des op\u00e9rations pr\u00e9cises, efficaces et r\u00e9p\u00e9tables dans des environnements industriels exigeants.<\/li>\n
    • Machines de transformation des aliments<\/strong>
      \nDans le secteur agroalimentaire, les r\u00e9ducteurs \u00e0 vis sans fin CMN-NRV sont utilis\u00e9s dans les m\u00e9langeurs, les lignes de remplissage et les machines d'emballage. Leur fonctionnement silencieux et r\u00e9gulier, associ\u00e9 \u00e0 des mat\u00e9riaux durables et hygi\u00e9niques, garantit le respect des normes industrielles les plus strictes tout en pr\u00e9servant l'efficacit\u00e9 des processus de production en continu.<\/li>\n
    • Syst\u00e8mes d'\u00e9nergie renouvelable<\/strong>
      \nLes r\u00e9ducteurs \u00e0 vis sans fin CMN-NRV sont essentiels aux applications d'\u00e9nergies renouvelables telles que les syst\u00e8mes de suivi solaire et les petites \u00e9oliennes. Leur capacit\u00e9 \u00e0 supporter des charges variables, \u00e0 offrir des rapports de r\u00e9duction \u00e9lev\u00e9s et \u00e0 fonctionner de mani\u00e8re fiable dans diff\u00e9rentes conditions environnementales en fait des solutions id\u00e9ales pour les \u00e9nergies durables.<\/li>\n
    • Machinerie mini\u00e8re et lourde<\/strong>
      \nDans le secteur minier, ces r\u00e9ducteurs \u00e0 vis sans fin sont utilis\u00e9s dans les concasseurs, les convoyeurs et les \u00e9quipements de forage. Leur construction robuste, leur couple \u00e9lev\u00e9 et leur r\u00e9sistance aux conditions difficiles garantissent durabilit\u00e9 et performances constantes m\u00eame dans des environnements exigeants, am\u00e9liorant ainsi l'efficacit\u00e9 op\u00e9rationnelle et r\u00e9duisant les temps d'arr\u00eat.<\/li>\n
    • Applications marines<\/strong>
      \nLes r\u00e9ducteurs \u00e0 vis sans fin CMN-NRV sont utilis\u00e9s dans les treuils, les syst\u00e8mes d'ancrage et les syst\u00e8mes de propulsion des navires. Leur conception r\u00e9sistante \u00e0 la corrosion, leur capacit\u00e9 \u00e0 supporter des charges importantes et leur m\u00e9canisme autobloquant fiable les rendent parfaitement adapt\u00e9s aux conditions difficiles du milieu marin.<\/li>\n<\/ul>\n\n\n\n\n\n\n
      \"R\u00e9ducteur<\/td>\n\"R\u00e9ducteur<\/td>\n<\/tr>\n
      R\u00e9ducteur \u00e0 vis sans fin pour \u00e9quipements de manutention<\/strong><\/td>\nR\u00e9ducteur \u00e0 vis sans fin pour syst\u00e8mes de direction automobile<\/strong><\/td>\n<\/tr>\n
      \"R\u00e9ducteur<\/td>\n\"R\u00e9ducteur<\/td>\n<\/tr>\n
      R\u00e9ducteur \u00e0 vis sans fin pour applications marines et nautiques<\/strong><\/td>\nR\u00e9ducteur \u00e0 vis sans fin pour l'exploitation mini\u00e8re et la construction<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Maintenance du r\u00e9ducteur \u00e0 vis sans fin CMN-NRV<\/h2>\n
        \n
      • Inspection r\u00e9guli\u00e8re des niveaux de lubrification<\/strong>
        \nSurveillez r\u00e9guli\u00e8rement le niveau de lubrification du r\u00e9ducteur \u00e0 vis sans fin afin d'assurer le bon fonctionnement de la vis et de la roue. Un manque de lubrification ad\u00e9quate peut entra\u00eener un frottement excessif, une surchauffe et une usure acc\u00e9l\u00e9r\u00e9e des composants internes, pouvant causer un d\u00e9salignement des engrenages ou une panne m\u00e9canique compl\u00e8te.<\/li>\n
      • V\u00e9rifiez la pr\u00e9sence de bruits et de vibrations inhabituels.<\/strong>
        \nSoyez attentif \u00e0 tout bruit ou vibration anormaux pendant le fonctionnement du r\u00e9ducteur. Ces anomalies peuvent indiquer un mauvais alignement des engrenages ou une usure des roulements. Un diagnostic pr\u00e9coce permet d'\u00e9viter d'autres dommages internes et garantit la long\u00e9vit\u00e9 du r\u00e9ducteur \u00e0 vis sans fin CMN-NRV.<\/li>\n
      • Nettoyer les surfaces ext\u00e9rieures et les grilles d'a\u00e9ration<\/strong>
        \nKeep the gearbox’s external surfaces and air vents clean to prevent overheating. Accumulated dirt or debris can obstruct ventilation, reducing the cooling efficiency and potentially causing thermal damage to internal components, which may lead to operational inefficiencies.<\/li>\n
      • V\u00e9rifier l'\u00e9tanch\u00e9it\u00e9 des joints et des garnitures.<\/strong>
        \nPeriodically examine seals and gaskets for any signs of oil leakage. Damaged or worn seals can allow contaminants to enter and compromise the worm gear reducer gearbox’s internal components. Promptly replacing faulty seals prevents costly repairs and maintains operational efficiency.<\/li>\n
      • Surveiller l'usure et l'alignement des engrenages<\/strong>
        \nConduct regular visual inspections and measurements to assess gear wear and alignment. Excessive wear or misalignment can lead to reduced torque transmission and increased energy consumption. Ensuring proper alignment extends the gearbox’s lifespan and maintains system performance.<\/li>\n
      • Resserrer r\u00e9guli\u00e8rement les boulons et les fixations<\/strong>
        \nV\u00e9rifiez et resserrez r\u00e9guli\u00e8rement tous les boulons et fixations pour garantir l'int\u00e9grit\u00e9 de la structure. Les vibrations en fonctionnement peuvent desserrer les composants au fil du temps, entra\u00eenant une instabilit\u00e9, un d\u00e9salignement, voire une rupture de la structure. Un assemblage solide garantit un fonctionnement fiable et la s\u00e9curit\u00e9.<\/li>\n<\/ul>\n

        \"Entretien<\/p>","protected":false},"excerpt":{"rendered":"

        Le CMN-NRV est un mod\u00e8le de r\u00e9ducteur \u00e0 vis sans fin de la s\u00e9rie RV. CMN-NRV signifie entr\u00e9e par bride, et CMN-NRV signifie entr\u00e9e par arbre. Le r\u00e9ducteur \u00e0 vis sans fin CMN-NRV est g\u00e9n\u00e9ralement \u00e9quip\u00e9 d'un arbre d'entr\u00e9e simple, mais il existe \u00e9galement des versions \u00e0 double arbre d'entr\u00e9e, adapt\u00e9es \u00e0 divers besoins de transmission. Les sorties peuvent \u00eatre \u00e0 trou creux ou \u00e0 bride. Sa structure interne, compos\u00e9e d'une vis sans fin et d'une roue dent\u00e9e, lui conf\u00e8re une conception compacte, un rapport de transmission \u00e9lev\u00e9 et une fonction d'autoblocage dans certaines conditions.<\/p>","protected":false},"featured_media":3131,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"CMN-NRV is one of the RV series worm gearbox models. CMN-NMRV means flange input, and CMN-NRV means with shaft input. CMN-NRV worm gearbox is generally with a single input shaft, and there are also double input shaft forms, suitable for various transmission needs. The output forms include hollow hole output and flange output. Its internal transmission structure is composed of a worm and a worm gear, which has a compact structure, a large transmission ratio, and a self-locking function under certain conditions. CMN-NRV worm gear reducers manufactured by CMN own the advantages of smooth transmission and low noise.\r\n\r\nCMN-NRV series worm gear reducer provides solutions with reduction ratios ranging from 5 to 1000, making them suitable for multiple industrial applications. They are available with different configurations, such as a single-stage gear with an IEC motor adaptor, a double-stage worm gear, and integrated helical\/worm combinations. CMN-NRV worm drive gearboxes are versatile and widely used across industries, including material handling, industrial automation, machinery, food processing, renewable energy, mining, marine, and general industrial applications. They power conveyors, robotics, cranes, filling lines, renewable energy systems, and more, ensuring reliable performance, precise motion control, and high torque in diverse environments.\r\n\r\n\"CMN-NRV\r\n

        CMN-NRV Worm Gearbox Specifications<\/h2>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
        Type<\/td>\r\nWorm Gear Speed Reducer \/ Worm Gearbox<\/td>\r\n<\/tr>\r\n
        CMN-NRV MODEL<\/td>\r\nCMN-NRV25, CMN-NRV30, CMN-NRV40, CMN-NRV50, CMN-NRV63, CMN-NRV75, CMN-NRV90, CMN-NRV110, CMN-NRV130<\/td>\r\n<\/tr>\r\n
        Power<\/td>\r\n0.12kw-15kw<\/td>\r\n<\/tr>\r\n
        Ratio<\/td>\r\n1\/7.5,1\/10,1\/15,1\/20,1\/15,1\/30,1\/40,1\/50,1\/60,1\/80,1\/100<\/td>\r\n<\/tr>\r\n
        Color<\/td>\r\nBlue(RAL5010), Silver grey (RAL9022), or on request<\/td>\r\n<\/tr>\r\n
        Material<\/td>\r\nHousing\/Flange: Aluminum Alloy<\/td>\r\n<\/tr>\r\n
        Worm Gear: Copper 9-4&nodular iron<\/td>\r\n<\/tr>\r\n
        Worm:20CrMn Ti with carburizing and quenching, surface hardness is 56-62HRC<\/td>\r\n<\/tr>\r\n
        Shaft: chromium steel-45#<\/td>\r\n<\/tr>\r\n
        IEC Flange<\/td>\r\nIEC standard flange 56B14, 63B14, 63B5, 63B5, 71B14,80B14 AND SO ON<\/td>\r\n<\/tr>\r\n
        Lubricant<\/td>\r\nSynthetic & Mineral<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

        CMN-NRV Worm Gear Reducer Dimensions<\/h2>\r\n\"CMN-NRV\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
        CMN-NRV<\/span><\/strong><\/td>\r\n025<\/strong><\/td>\r\n030<\/strong><\/td>\r\n040<\/strong><\/td>\r\n050<\/strong><\/td>\r\n063<\/strong><\/td>\r\n075<\/strong><\/td>\r\n090<\/strong><\/td>\r\n110<\/strong><\/td>\r\n130<\/strong><\/td>\r\n<\/tr>\r\n
        B<\/span><\/strong><\/td>\r\n20<\/td>\r\n20<\/td>\r\n23<\/td>\r\n30<\/td>\r\n40<\/td>\r\n50<\/td>\r\n50<\/td>\r\n60<\/td>\r\n80<\/td>\r\n<\/tr>\r\n
        D1<\/span><\/strong><\/td>\r\n9 j6<\/span><\/td>\r\n9 j6<\/span><\/td>\r\n11 j6<\/span><\/td>\r\n14 j6<\/span><\/td>\r\n19 j6<\/span><\/td>\r\n24 j6<\/span><\/td>\r\n24 j6<\/span><\/td>\r\n28 j6<\/span><\/td>\r\n30 j6<\/span><\/td>\r\n<\/tr>\r\n
        G2<\/span><\/strong><\/td>\r\n38<\/td>\r\n51<\/td>\r\n60<\/td>\r\n74<\/td>\r\n90<\/td>\r\n105<\/td>\r\n125<\/td>\r\n142<\/td>\r\n162<\/td>\r\n<\/tr>\r\n
        G3<\/span><\/strong><\/td>\r\n37<\/td>\r\n45<\/td>\r\n53<\/td>\r\n64<\/td>\r\n75<\/td>\r\n90<\/td>\r\n108<\/td>\r\n135<\/td>\r\n155<\/td>\r\n<\/tr>\r\n
        I<\/span><\/strong><\/td>\r\n25<\/td>\r\n30<\/td>\r\n40<\/td>\r\n50<\/td>\r\n63<\/td>\r\n75<\/td>\r\n90<\/td>\r\n110<\/td>\r\n130<\/td>\r\n<\/tr>\r\n
        b1<\/span><\/strong><\/td>\r\n3<\/td>\r\n3<\/td>\r\n4<\/td>\r\n5<\/td>\r\n6<\/td>\r\n8<\/td>\r\n8<\/td>\r\n8<\/td>\r\n8<\/td>\r\n<\/tr>\r\n
        f1<\/span><\/strong><\/td>\r\n-<\/span><\/td>\r\n-<\/span><\/td>\r\n-<\/span><\/td>\r\nM6<\/span><\/td>\r\nM6<\/span><\/td>\r\nM8<\/span><\/td>\r\nM8<\/span><\/td>\r\nM10<\/span><\/td>\r\nM10<\/span><\/td>\r\n<\/tr>\r\n
        t1<\/span><\/strong><\/td>\r\n10.2<\/td>\r\n10.2<\/td>\r\n12.5<\/td>\r\n16<\/td>\r\n21.5<\/td>\r\n27<\/td>\r\n27<\/td>\r\n31<\/td>\r\n33<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

        Low Speed Shaft Dimensions<\/h2>\r\n\"Low\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
        CMN-NRV<\/span><\/strong><\/td>\r\nd<\/span><\/strong><\/td>\r\nB<\/span><\/strong><\/td>\r\nB1<\/span><\/strong><\/td>\r\nG1<\/span><\/strong><\/td>\r\nL<\/span><\/strong><\/td>\r\nL1<\/span><\/strong><\/td>\r\nf<\/span><\/strong><\/td>\r\nb1<\/span><\/strong><\/td>\r\nt1<\/span><\/strong><\/td>\r\n<\/tr>\r\n
        025<\/strong><\/td>\r\n11g6 (9)<\/span><\/td>\r\n23\r\n<\/span>(25)<\/span><\/td>\r\n25.5\r\n<\/span>(30)<\/span><\/td>\r\n50<\/td>\r\n81\r\n<\/span>(85.5)<\/span><\/td>\r\n101<\/td>\r\n-<\/span><\/td>\r\n4\r\n<\/span>(3)<\/span><\/td>\r\n12.5\r\n<\/span>(10.2)<\/span><\/td>\r\n<\/tr>\r\n
        030<\/strong><\/td>\r\n14g6<\/span><\/td>\r\n30<\/td>\r\n32.5<\/td>\r\n63<\/td>\r\n102<\/td>\r\n128<\/td>\r\nM6<\/span><\/td>\r\n5<\/td>\r\n16<\/td>\r\n<\/tr>\r\n
        040<\/strong><\/td>\r\n18h6<\/span><\/td>\r\n40<\/td>\r\n43<\/td>\r\n78<\/td>\r\n128<\/td>\r\n164<\/td>\r\nM6<\/span><\/td>\r\n6<\/td>\r\n20.5<\/td>\r\n<\/tr>\r\n
        050<\/strong><\/td>\r\n25h6<\/span><\/td>\r\n50<\/td>\r\n53.5<\/td>\r\n92<\/td>\r\n153<\/td>\r\n199<\/td>\r\nM10<\/span><\/td>\r\n8<\/td>\r\n28<\/td>\r\n<\/tr>\r\n
        063<\/strong><\/td>\r\n25h6<\/span><\/td>\r\n50<\/td>\r\n53.5<\/td>\r\n112<\/td>\r\n173<\/td>\r\n219<\/td>\r\nM10<\/span><\/td>\r\n8<\/td>\r\n28<\/td>\r\n<\/tr>\r\n
        075<\/strong><\/td>\r\n28h6<\/span><\/td>\r\n60<\/td>\r\n63.5<\/td>\r\n120<\/td>\r\n192<\/td>\r\n247<\/td>\r\nM10<\/span><\/td>\r\n8<\/td>\r\n31<\/td>\r\n<\/tr>\r\n
        090<\/strong><\/td>\r\n35h6<\/span><\/td>\r\n80<\/td>\r\n84.5<\/td>\r\n140<\/td>\r\n234<\/td>\r\n309<\/td>\r\nM12<\/span><\/td>\r\n10<\/td>\r\n38<\/td>\r\n<\/tr>\r\n
        110<\/strong><\/td>\r\n42h6<\/span><\/td>\r\n80<\/td>\r\n84.5<\/td>\r\n155<\/td>\r\n249<\/td>\r\n324<\/td>\r\nM16<\/span><\/td>\r\n12<\/td>\r\n45<\/td>\r\n<\/tr>\r\n
        130<\/strong><\/td>\r\n45h6<\/span><\/td>\r\n80<\/td>\r\n85<\/td>\r\n170<\/td>\r\n265<\/td>\r\n340<\/td>\r\nM16<\/span><\/td>\r\n14<\/td>\r\n48.5<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

        Protective Cover Dimensions<\/h2>\r\n\"Worm\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
        CMN-NRV<\/span><\/strong><\/td>\r\nN2<\/span><\/strong><\/td>\r\n<\/tr>\r\n
        030<\/strong><\/td>\r\n42<\/td>\r\n<\/tr>\r\n
        040<\/strong><\/td>\r\n50<\/td>\r\n<\/tr>\r\n
        050<\/strong><\/td>\r\n58<\/td>\r\n<\/tr>\r\n
        063<\/strong><\/td>\r\n69<\/td>\r\n<\/tr>\r\n
        075<\/strong><\/td>\r\n74<\/td>\r\n<\/tr>\r\n
        090<\/strong><\/td>\r\n86<\/td>\r\n<\/tr>\r\n
        110<\/strong><\/td>\r\n94<\/td>\r\n<\/tr>\r\n
        130<\/strong><\/td>\r\n102<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

        Torque Arm Dimensions<\/h2>\r\n\"Worm\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
        CMN-NRV<\/span><\/strong><\/td>\r\nK1<\/span><\/strong><\/td>\r\nG<\/span><\/strong><\/td>\r\nKG<\/span><\/strong><\/td>\r\nKH<\/span><\/strong><\/td>\r\nR<\/span><\/strong><\/td>\r\n<\/tr>\r\n
        025<\/strong><\/td>\r\n70<\/td>\r\n14<\/td>\r\n17.5<\/td>\r\n8<\/td>\r\n15<\/td>\r\n<\/tr>\r\n
        030<\/strong><\/td>\r\n85<\/td>\r\n14<\/td>\r\n24<\/td>\r\n8<\/td>\r\n15<\/td>\r\n<\/tr>\r\n
        040<\/strong><\/td>\r\n100<\/td>\r\n14<\/td>\r\n31.5<\/td>\r\n10<\/td>\r\n18<\/td>\r\n<\/tr>\r\n
        050<\/strong><\/td>\r\n100<\/td>\r\n14<\/td>\r\n38.5<\/td>\r\n10<\/td>\r\n18<\/td>\r\n<\/tr>\r\n
        063<\/strong><\/td>\r\n150<\/td>\r\n14<\/td>\r\n49<\/td>\r\n10<\/td>\r\n18<\/td>\r\n<\/tr>\r\n
        075<\/strong><\/td>\r\n200<\/td>\r\n25<\/td>\r\n47.5<\/td>\r\n20<\/td>\r\n30<\/td>\r\n<\/tr>\r\n
        090<\/strong><\/td>\r\n200<\/td>\r\n25<\/td>\r\n57.5<\/td>\r\n20<\/td>\r\n30<\/td>\r\n<\/tr>\r\n
        110<\/strong><\/td>\r\n250<\/td>\r\n30<\/td>\r\n62<\/td>\r\n25<\/td>\r\n35<\/td>\r\n<\/tr>\r\n
        130<\/strong><\/td>\r\n250<\/td>\r\n30<\/td>\r\n69<\/td>\r\n25<\/td>\r\n35<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

        CMN-NRV Worm Drive Gearbox Parts<\/h2>\r\n
          \r\n \t
        • Worm Shaft<\/strong>\r\nThe worm shaft is a helical screw-like component made of high-strength steel or alloy. It drives the worm gear by transmitting rotational motion. Its precision-machined surface ensures smooth interaction with the worm gear, minimizing friction and enhancing efficiency.<\/li>\r\n \t
        • Worm Gear<\/strong>\r\nThe worm gear, typically made from bronze or brass, works in tandem with the worm shaft. Its high wear resistance and compatibility with the worm shaft ensure durability. The gear's teeth are designed for precise engagement, enabling smooth power transmission.<\/li>\r\n \t
        • Housing<\/strong>\r\nThe gearbox housing, usually made from cast iron or aluminum alloy, encases and protects all internal components. It provides structural stability, dissipates heat effectively, and ensures the gearbox operates with reduced vibration and low noise levels.<\/li>\r\n \t
        • Input Shaft<\/strong>\r\nThe input shaft connects the power source to the worm gear mechanism. It is engineered for high torque and speed, ensuring seamless power transfer. The input shaft design can vary, including single or double configurations depending on application needs.<\/li>\r\n \t
        • Output Shaft<\/strong>\r\nThe output shaft delivers the reduced speed and increased torque to the machinery. It is robustly constructed to bear heavy loads. Hollow or solid designs are available, offering flexibility to accommodate different industrial applications.<\/li>\r\n \t
        • Bearings<\/strong>\r\nHigh-quality bearings support the worm shaft and worm gear, ensuring smooth rotation and reducing friction. These components play a critical role in enhancing the gearbox's longevity by handling radial and axial loads efficiently.<\/li>\r\n \t
        • Oil Seals<\/strong>\r\nOil seals are essential for retaining the lubrication inside the gearbox while preventing contaminants like dust or moisture from entering. They ensure the internal components remain well-lubricated, reducing wear and improving the gearbox's overall lifespan.<\/li>\r\n<\/ul>\r\n\"CMN-NRV\r\n

          CMN-NRV Worm Gear Reducer Applications<\/h2>\r\n
            \r\n \t
          • Material Handling Equipment<\/strong>\r\nCMN-NRV worm gear reducers are widely used in conveyors, hoists, and lifts within material handling systems. Their high torque output and self-locking feature ensure safe and precise movement of heavy loads, providing reliable performance in warehouses, factories, and logistics centers.<\/li>\r\n \t
          • Industrial Automation<\/strong>\r\nThese worm drive gearboxes play a crucial role in automation systems such as robotic arms and automated assembly lines. Their ability to provide accurate motion control and compact design helps optimize space and ensures precise, efficient, and repeatable operations in high-demand industrial environments.<\/li>\r\n \t
          • Food Processing Machinery<\/strong>\r\nIn food processing applications, CMN-NRV worm gear speed reducers are used in mixers, filling lines, and packaging machines. Their smooth and quiet operation, combined with durable and hygienic materials, ensures compliance with strict industry standards while maintaining efficiency in continuous production processes.<\/li>\r\n \t
          • Renewable Energy Systems<\/strong>\r\nCMN-NRV worm gear reducers are essential in renewable energy applications like solar tracking systems and small wind turbines. Their ability to handle varying loads, provide high reduction ratios, and operate reliably under different environmental conditions makes them ideal for sustainable energy solutions.<\/li>\r\n \t
          • Mining and Heavy Machinery<\/strong>\r\nIn mining operations, these worm reducer gearboxes are applied in crushers, conveyors, and drilling equipment. Their robust construction, high torque capacity, and resistance to harsh conditions ensure durability and consistent performance in demanding environments, improving operational efficiency and reducing downtime.<\/li>\r\n \t
          • Marine Applications<\/strong>\r\nCMN-NRV worm wheel gearboxes are used in winches, anchor systems, and propulsion systems for marine vessels. Their corrosion-resistant design, ability to handle heavy loads, and reliable self-locking mechanism make them suitable for the challenging conditions of marine environments.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n\r\n
            \"Worm<\/td>\r\n\"Worm<\/td>\r\n<\/tr>\r\n
            Worm Gearbox for Material Handling Equipment<\/strong><\/td>\r\nWorm Gearbox for Automotive Steering Systems<\/strong><\/td>\r\n<\/tr>\r\n
            \"Worm<\/td>\r\n\"Worm<\/td>\r\n<\/tr>\r\n
            Worm Gearbox for Marine and Boating<\/strong><\/td>\r\nWorm Gearbox for Mining and Construction<\/strong><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>","_et_gb_content_width":""},"product_brand":[],"product_cat":[121,120],"product_tag":[127,123,122,137,131,132,129,125,130,124,128,126],"class_list":{"0":"post-3217","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rv-series-worm-gearbox","7":"product_cat-worm-gearbox","8":"product_tag-aluminum-worm-gearbox","9":"product_tag-worm-drive-gearbox","10":"product_tag-worm-gear-gearbox","11":"product_tag-worm-gear-motor","12":"product_tag-worm-gear-reducers","13":"product_tag-worm-gear-speed-reducer","14":"product_tag-worm-gearbox-for-sale","15":"product_tag-worm-gearbox-manufacturers","16":"product_tag-worm-gearbox-suppliers","17":"product_tag-worm-reducer-gearbox","18":"product_tag-worm-reduction-gearbox","19":"product_tag-worm-wheel-gearbox","21":"first","22":"instock","23":"shipping-taxable","24":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product\/3217","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/comments?post=3217"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/media\/3131"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/media?parent=3217"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3217"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3217"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}