Description du produit
UMC is the industry leader in gearbox technology. Over our 40 year history we have introduced many industry changing gearboxes such as the patented TNT gearbox, the 740, the 760, the 775 and more. We continue to define and redefine industry standards for gearbox performance, quality, features and technology. Our gearboxes are purpose built to do the job. Never over-engineered.
UMC stands behind its products and is committed to manufacturing the best products for a global market.
740-U 50:1 Ratio
Designed for longer spans, larger wheels, and heavier towers.
Features and Benefits
- 2.25 inch output shaft
- 50:1 gear ratio
- Cartridge input and output seals
- Larger input bearings
- Input shaft guard
- External seal protectors for input and output seals
- Top oil fill plug
- Universal mounting pattern
- Full cycle expansion chamber with stainless steel cover
- Filled with extreme pressure worm gear oil
- Steel output shaft and input shaft
- Tapered roller bearings
- Includes carriage bolts and nuts
- Dual ended input shaft
740-UV 52:1 Ratio
Designed for longer spans, larger wheels and heavier towers where an extended output shaft is required.
This gearbox has all the same capabilities, features and benefits that the standard 740 has with a few tweaks. The output shaft is extended, the gear ratio is 52:1 and the input shaft is made of ductile iron with a 25° pressure angle allowing this gearbox to be used on center CHINAMFG and lateral move/ linear systems that come standard with these specifications.
Features and Benefits
- 2.25 inch extended output shaft
- 52:1 gear ratio with 25° pressure angle
- Cartridge input and output seals
- Larger input bearings
- Input shaft guard
- External seal protectors for input and output seals
- Top oil fill plug
- Universal mounting pattern
- Full cycle expansion chamber with stainless steel cover
- Filled with extreme pressure worm gear oil
- Steel output shaft and ductile iron input shaft
- Tapered roller bearings
- Includes carriage bolts and nuts
- Dual ended input shaft
760-UV Gearbox
Designed for corner systems and lateral move carts where an extended output shaft is required
Growers typically use UMC’s 760-UV gearbox for the most extreme applications where an extended output shaft is required. The gearbox is designed for higher annual hours of operation while handling the heavy loads experienced on corner systems and lateral move carts as well as the most extreme field conditions where wheel rutting is prominent, soil is heavy, and tower weights are higher.
The UMC 760-UV final drive gearbox is our largest and most durable gearbox with an extended output shaft. It features a larger-diameter bull gear than the standard 740 series to handle 20% higher torque. It also features a 2.5″ output shaft to accommodate more overhung load. It is designed for use on center pivots, corners, lateral move/ linear irrigation systems and carts where a 52:1 gear ratio and extended output shaft are standard specifications.
Features and Benefits
- 2.5″ output shaft
- 52:1 gear ratio with a 25° pressure angle
- Unique dual input and output seal design
- 20% more torque capacity than the standard 740
- Bronze gear optional
- Larger input bearings
- Input shaft guard
- External seal protectors for input and output seals
- 11-Bolt mounting pattern
- Full cycle expansion chamber with aluminum cover
- Filled with extreme pressure worm gear oil
- Steel output shaft and ductile iron input shaft
- Tapered roller bearings
- Includes carriage bolts and nuts
- Dual ended input shaft
TNT-2 Gearbox
Designed for applications where the irrigation system may need to be towed
This gearbox is the perfect solution for a towable irrigation system. Growers typically prefer this gearbox over a gearbox with a towable hub. Simply disengage the worm and tow your system to its working location, then re-engage the worm and you are ready to run. The CX coupler is the perfect compliment for the TNT-2 gearbox due to the ability to control coupler disengagement at the gearbox.
The UMC patented TNT-2 final drive gearbox is designed specifically for applications where a center CHINAMFG or lateral move/ linear irrigation system needs to be towed. The gearbox provides the ability to disengage the worm gear and allows users to move systems from 1 area to another without requiring a Towable Hub add on.
Features and Benefits
- 2.25″ output shaft
- 50:1 gear ratio
- Dual input seals with triple lip output seals
- Bronze gear optional
- Input shaft guard
- External seal protectors for input and output seals
- Top oil fill plug
- 11-Bolt mounting pattern
- Full cycle expansion chamber with stainless steel cover
- Filled with extreme pressure worm gear oil
- Steel output shaft and input shaft
- Tapered roller bearings
- Includes carriage bolts and nuts
- Dual ended input shaft
760-UV Bronze Gearbox
Designed for the most extreme conditions where an extended output shaft is required.
Growers typically use The UMC 760-UV bronze gearbox for the most extreme applications where an extended output shaft is required. The gearbox is designed for higher annual hours of operation while handling the heavy loads experienced on corner systems and lateral move carts as well as the most extreme field conditions where wheel rutting is prominent, soil is heavy, and tower weights are higher.
The UMC 760-UV Bronze final drive gearbox is our largest and most durable gearbox with an extended output shaft designed for the most extreme growing conditions. It features a high strength aluminum bronze bull gear and a heat treated steel worm gear giving it a much higher load capacity than the standard 760-UV. Additionally, this gear combination greatly reduces gear wear, extending the useful life of the gearbox. It also features a 2.5″ output shaft to accommodate more overhung load. It is designed for use on center pivots, corners, lateral move/ linear irrigation systems and carts where a 52:1 gear ratio and extended output shaft are standard specifications.
Features and Benefits
- 2.5″ output shaft
- 52:1 gear ratio with a 25° pressure angle
- Unique dual input and output seal design
- Bronze Gear
- Heat Treated Steel Worm Gear
- Larger input bearings
- Input shaft guard
- External seal protectors for input and output seals
- 11-Bolt mounting pattern
- Full cycle expansion chamber with aluminum cover
- Filled with extreme pressure worm gear oil
- Steel output shaft
- Tapered roller bearings
- Includes carriage bolts and nuts
- Dual ended input shaft
- Also Available Assembled in the USA
CHINAMFG is the industry leader in gearbox technology. Over 37 year history they have introduced many industry changing gearboxes such as the patented TNT gearbox, the 740, the 760, the 775 and more. CHINAMFG continue to define and redefine industry standards for gearbox performance, quality, features and technology. CHINAMFG gearboxes are purpose built to do the job. Never over-engineered.UMC stands behind its products and is committed to manufacturing the best products for a global market.
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| Application: | Motor, Agricultural Machinery, Agricultural |
|---|---|
| Fonction: | Speed Reduction |
| Dureté: | Hardened |
| Taper: | Worm and Wormwheel |
| Material: | Cast Iron |
| Manipulate Way: | Semi-Automatic Manipulation |
| Personnalisation : |
Disponible
| Demande personnalisée |
|---|
Considérations relatives aux boîtes de vitesses pour l'agriculture intensive
Les applications agricoles intensives nécessitent des réducteurs robustes et fiables, capables de supporter des charges élevées, des conditions difficiles et une utilisation fréquente. Voici les principaux critères à prendre en compte pour le choix d'un réducteur destiné à l'agriculture intensive :
- Capacité de charge : Les boîtes de vitesses robustes doivent avoir une capacité de charge élevée pour répondre aux exigences des machines agricoles, telles que les motoculteurs, les charrues et les moissonneuses-batteuses.
- Durabilité du matériau : Les boîtes de vitesses doivent être construites à partir de matériaux durables, tels que l'acier trempé ou la fonte, capables de résister aux contraintes et aux chocs associés aux tâches intensives.
- Étanchéité et protection : Des mécanismes d'étanchéité et de protection efficaces, tels que des joints et des garnitures robustes, empêchent la pénétration de saletés, d'eau et de contaminants susceptibles de provoquer une usure prématurée et des dommages.
- Système de lubrification : Un système de lubrification fiable et efficace est crucial pour les boîtes de vitesses à usage intensif afin d'assurer une lubrification adéquate des composants sous des charges et des températures élevées.
- Dissipation de la chaleur : Les applications exigeantes génèrent une chaleur importante. Les boîtes de vitesses doivent être équipées de mécanismes de dissipation thermique efficaces, tels que des ailettes de refroidissement ou des refroidisseurs d'huile, afin d'éviter la surchauffe et de maintenir leurs performances.
- Conception et construction : La conception de la boîte de vitesses doit intégrer un carter renforcé, des roulements plus grands et des engrenages robustes pour supporter des charges importantes sans compromettre l'intégrité structurelle.
- Alignement et montage : Un alignement et un montage corrects sont essentiels pour garantir une transmission de puissance fluide et efficace. Un mauvais alignement peut entraîner une usure accrue et une durée de vie réduite de la boîte de vitesses.
- Accessibilité de la maintenance : Les réducteurs pour applications industrielles doivent être conçus pour faciliter l'accès lors de la maintenance. Des éléments tels que les couvercles amovibles et les points d'inspection simplifient l'entretien et les réparations.
- Compatibilité: Les réducteurs doivent être compatibles avec les machines et les tâches spécifiques pour lesquelles ils seront utilisés. Des rapports de transmission et des configurations d'arbre de sortie personnalisables améliorent leur polyvalence.
- Fiabilité et longévité : Les boîtes de vitesses robustes doivent être conçues pour durer, avec une fabrication de qualité et des composants capables de résister aux conditions exigeantes des opérations agricoles.
- Sécurité: Les dispositifs de sécurité, tels que les protections et les mécanismes d'arrêt d'urgence, sont essentiels pour protéger les opérateurs et le personnel à proximité des dangers potentiels.
- Considérations environnementales : La conception des boîtes de vitesses doit tenir compte des réglementations environnementales et des normes d'émissions afin de minimiser l'impact sur l'environnement.
- Rapport coût-efficacité : Bien que les boîtes de vitesses robustes nécessitent un investissement initial plus important, leur durabilité et leurs performances contribuent à une rentabilité à long terme en réduisant les temps d'arrêt et la nécessité de remplacements fréquents.
En tenant compte de ces facteurs, les agriculteurs peuvent sélectionner les boîtes de vitesses robustes appropriées qui améliorent la productivité et la fiabilité de leurs exploitations agricoles.
Common Signs of Gearbox Wear and Their Solutions
Gearboxes, like any mechanical components, can experience wear over time due to factors such as friction, load, and operating conditions. Recognizing the common signs of gearbox wear is essential for timely maintenance and avoiding potential breakdowns. Here are some signs to watch out for and the solutions to address them:
- Unusual Noises: Grinding, clicking, or whining noises during operation can indicate worn gears or bearings. Inspect the gearbox for damaged teeth or inadequate lubrication. Replace damaged components and ensure proper lubrication.
- Increased Vibration: Excessive vibration suggests misalignment or imbalance within the gearbox. Check for proper alignment and balance the components if necessary. Also, inspect for worn or damaged shafts or bearings.
- Leakage: Oil or lubricant leaks may indicate worn seals or gaskets. Replace seals and gaskets to prevent leakage and ensure adequate lubrication.
- Slipping Gears: Gears slipping out of engagement or difficulty shifting can point to worn or damaged gear teeth. Inspect gears for signs of wear or chipping, and replace as needed.
- Temperature Increase: Abnormal heat generation can result from increased friction due to worn parts. Check lubrication levels and quality, and replace worn bearings or gears causing excess friction.
- Decreased Performance: Reduced power transmission or output efficiency can indicate wear in the gearbox. Inspect gears, bearings, and other components for signs of wear and replace as necessary.
- Excessive Play: Excessive play or backlash in gears can indicate worn gear teeth or bearings. Inspect components for wear, adjust backlash, and replace worn parts.
Addressing gearbox wear requires routine maintenance, including proper lubrication, alignment checks, and regular inspections. Timely replacement of worn or damaged components can extend the gearbox’s lifespan and maintain optimal performance in various applications.
Key Features of a Durable and Reliable Agricultural Gearbox
A durable and reliable agricultural gearbox is crucial for the efficient operation of farming equipment and machinery. The following key features contribute to the durability and reliability of agricultural gearboxes:
- High-Quality Materials: Agricultural gearboxes are often exposed to harsh conditions, including dust, debris, and varying weather. Using high-quality materials, such as strong alloy steels, can enhance the gearbox’s resistance to wear, corrosion, and other forms of deterioration.
- Rugged Construction: The gearbox should have a robust and rugged construction to withstand the stresses and strains associated with agricultural tasks. Reinforced housings, precision machining, and robust seals can help prevent damage and ensure longevity.
- Effective Lubrication System: Proper lubrication is vital to reduce friction, dissipate heat, and prevent premature wear. Agricultural gearboxes should be equipped with efficient lubrication systems that ensure all components are adequately lubricated, even during extended operation.
- Étanchéité et protection : Dust, dirt, and moisture are common challenges in agricultural environments. Effective sealing mechanisms, such as gaskets and seals, prevent contaminants from entering the gearbox and protect internal components from damage.
- Dissipation de la chaleur : The gearbox should be designed to dissipate heat effectively, especially during prolonged operation. Overheating can lead to lubrication breakdown and premature wear. Cooling fins and adequate ventilation can help maintain optimal operating temperatures.
- Gear Quality and Precision: High-quality gears with accurate tooth profiles and precision manufacturing ensure smooth and efficient power transmission. Properly machined gears reduce noise, vibration, and the risk of gear failures.
- Advanced Gear Design: Some agricultural gearboxes may feature advanced gear designs, such as helical or planetary gears. These designs offer improved efficiency, reduced noise, and increased load-bearing capacity compared to traditional spur gears.
- Overload Protection: Incorporating overload protection mechanisms, such as shear pins or clutch systems, can prevent damage to the gearbox and other connected components in case of sudden high loads or jams.
- Easy Maintenance Access: The gearbox should be designed with maintenance in mind. Accessible inspection points, drain plugs, and fill ports make it easier for operators to perform routine maintenance tasks.
Manufacturers often engineer agricultural gearboxes to meet these requirements, ensuring that they can withstand the demanding conditions of farming operations and contribute to the reliable performance of agricultural machinery.
editor by CX 2024-01-10
