Product Description
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
UMC 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.
Application: | Motor, Agricultural Machinery, Agricultural |
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Function: | Speed Reduction |
Hardness: | Hardened |
Type: | Worm and Wormwheel |
Manufacturing Method: | Cast Gear |
Changes Way: | Mixed |
Customization: |
Available
| Customized Request |
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Impact of Gear Ratios on Machinery Performance in Agricultural Gearboxes
The gear ratio in agricultural gearboxes plays a crucial role in determining the performance of machinery. It directly affects the relationship between the input and output speeds and torques. Here’s how gear ratios influence machinery performance:
- Speed and Torque Conversion: Gear ratios allow for the conversion of speed and torque between the input and output shafts. Higher gear ratios can reduce output speed while increasing output torque, making it suitable for tasks requiring high power.
- Power and Efficiency: Gear ratios affect the efficiency of power transmission. While reducing the speed through higher gear ratios can increase torque, it’s essential to strike a balance to maintain efficiency. Lower efficiency can lead to energy loss and increased heat generation.
- Task Adaptability: Different agricultural tasks require varying levels of torque and speed. Gear ratios enable machinery to be adaptable to different tasks by providing the necessary torque for heavy-duty activities like plowing or tilling and higher speeds for tasks like transport.
- Optimal Performance: Selecting the appropriate gear ratio ensures that machinery operates within its optimal performance range. It prevents overloading the engine or the gearbox, contributing to smoother operation and reduced wear and tear.
- Productivity and Fuel Efficiency: Proper gear ratios can enhance the overall productivity of agricultural machinery. By optimizing torque and speed, tasks can be completed efficiently, reducing the time and fuel consumption required for operations.
- Consideration of Terrain: Different terrains and field conditions require adjustments in gear ratios. Steep slopes or heavy soil may necessitate lower gear ratios for increased torque, while flat terrain could benefit from higher ratios for faster operation.
- Impact on Components: Gear ratios can influence the load distribution on gearbox components. Higher gear ratios might subject components to increased forces and stresses, potentially affecting their lifespan.
- Operator Comfort: Proper gear ratios contribute to operator comfort by providing the necessary power for smooth operation without straining the machinery. This can lead to reduced operator fatigue and improved safety.
- Customization: Some modern agricultural equipment offers adjustable or variable gear ratios, allowing operators to fine-tune machinery performance based on specific tasks and conditions.
Choosing the right gear ratio for agricultural gearboxes involves considering factors such as the intended task, soil conditions, and equipment specifications. It’s essential to strike a balance between torque and speed to achieve optimal machinery performance and maximize productivity.
Potential Challenges in Maintenance and Repairs of Agricultural Gearboxes
Maintenance and repairs of gearboxes in agriculture can pose several challenges:
- Harsh Environments: Agricultural machinery operates in challenging environments with exposure to dirt, debris, moisture, and varying temperatures. These conditions can accelerate wear and corrosion, necessitating frequent maintenance.
- Heavy Workloads: Gearboxes in farming equipment often handle heavy workloads, leading to increased stress on components. This can result in faster wear and tear, requiring more frequent inspections and part replacements.
- Accessibility: Some gearboxes are located in hard-to-reach areas of machinery. This makes regular maintenance and repairs more challenging, as technicians may need specialized tools and equipment to access and service the gearboxes.
- Specialized Knowledge: Proper maintenance of agricultural gearboxes requires specialized knowledge and skills. Inadequate understanding of gearbox mechanics and maintenance practices can lead to improper repairs, reducing the gearbox’s lifespan and efficiency.
- Costs: Repairing or replacing gearbox components can be costly, especially for heavy-duty agricultural machinery. Farmers need to consider both the direct costs of parts and labor, as well as potential downtime during repair processes.
- Downtime: The downtime required for gearbox maintenance or repairs can impact farming operations, especially during critical planting or harvesting seasons. Efficient scheduling and backup equipment can help mitigate this challenge.
- Availability of Parts: Obtaining replacement parts for older or less common gearbox models can be challenging. Farmers may need to source parts from specialized suppliers, leading to potential delays in repairs.
Addressing these challenges requires proactive maintenance planning, regular inspections, proper training of maintenance personnel, and sourcing spare parts in advance.
Maintenance Requirements for Agricultural Gearboxes
Maintaining agricultural gearboxes is crucial to ensure the smooth and efficient operation of farming equipment. Proper maintenance helps extend the lifespan of gearboxes and prevents costly breakdowns. Here are the key maintenance requirements:
- Regular Inspections: Conduct routine visual inspections to check for signs of wear, damage, leaks, or misalignment. Regularly inspect gear teeth, seals, and bearings for any issues.
- Lubrication: Proper lubrication is essential to minimize friction and wear in gearboxes. Follow the manufacturer’s guidelines for the type of lubricant to use and the recommended intervals for lubrication.
- Lubricant Checks: Monitor the gearbox’s lubricant levels and quality regularly. Replace or replenish lubricants as needed, and ensure that contaminants are kept out of the lubrication system.
- Tightening Bolts and Fasteners: Check and tighten bolts, nuts, and fasteners to prevent loosening due to vibrations during operation. Loose components can lead to misalignment and premature wear.
- Seal Inspection: Examine seals for leaks and proper sealing. Damaged or worn seals should be replaced promptly to prevent lubricant leakage and the ingress of contaminants.
- Cleaning: Keep gearboxes clean by removing dirt, debris, and residue. Regular cleaning prevents abrasive particles from entering the gearbox and causing damage.
- Alignment: Ensure that gearboxes are properly aligned with connected components, such as shafts and couplings. Misalignment can lead to increased wear and reduced efficiency.
- Temperature Monitoring: Monitor the operating temperature of the gearbox. Abnormal temperature increases may indicate issues like overloading or insufficient lubrication.
- Filter Replacement: If the gearbox has a filtration system, regularly replace or clean the filters to prevent contaminants from entering the gearbox.
- Expert Inspection: Periodically have gearboxes inspected by qualified technicians. They can identify potential problems that may not be visible during routine inspections.
Adhering to these maintenance requirements ensures that agricultural gearboxes remain in optimal condition and contribute to the reliability and efficiency of farming equipment. Regular maintenance not only prevents unexpected downtime but also prolongs the service life of the gearboxes, ultimately benefiting the productivity of agricultural operations.
editor by CX 2023-09-15