Produktbeskrivning
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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| Ansökan: | Motor, Agricultural Machinery, Agricultural |
|---|---|
| Fungera: | Speed Reduction |
| Hårdhet: | Hardened |
| Typ: | Worm and Wormwheel |
| Material: | Gjutjärn |
| Manipulate Way: | Semi-Automatic Manipulation |
| Anpassning: | Tillgänglig | Anpassad förfrågan |
|---|
Hur man installerar och justerar en maskreducerare korrekt
Korrekt installation och justering av en snäckväxel är avgörande för att säkerställa optimal prestanda och livslängd. Följ dessa steg för att installera och rikta in en snäckväxel:
- Förberedelse: Samla alla nödvändiga verktyg, utrustning och säkerhetsutrustning innan du påbörjar installationsprocessen.
- Positionering: Placera snäckväxeln på önskad plats och se till att den är ordentligt monterad på en stabil yta. Använd lämpliga fästelement och monteringsfästen efter behov.
- Axeljustering: Kontrollera inriktningen av ingående och utgående axlar. Använd precisionsmätverktyg för att säkerställa att axlarna är parallella och i linje med varandra.
- Justering av bottenplattan: Rikta in bottenplattan på reducern mot fundamentet eller monteringsytan. Se till att bottenplattan är jämn och korrekt justerad innan du fäster den på plats.
- Bultåtdragning: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
- Kontrollera utrymmesgränsen: Kontrollera att det finns tillräckligt med utrymme för roterande komponenter eller delar som kan röra sig under drift. Undvik störningar som kan orsaka skador eller prestandaproblem.
- Smörjning: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
- Justeringstestning: Efter installationen, kör snäckväxeln kort utan belastning för att kontrollera om det finns några ovanliga ljud, vibrationer eller feljusteringsproblem.
- Belastningstestning: Inför gradvis den avsedda belastningen på snäckväxeln och övervaka dess prestanda. Säkerställ att växeln fungerar smidigt och effektivt under belastningsförhållandena.
It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.
How to Calculate the Input and Output Speeds of a Worm Gearbox?
Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:
- Ingångshastighet: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
- Utgångshastighet: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:
N2 = N1 / (Z1 * i)
Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)
It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.
Fördelar med att använda en snäckreducerare i mekaniska system
Snäckväxel erbjuder flera fördelar som gör dem lämpliga för olika mekaniska system:
- Hög utväxlingsförhållande: Snäckväxlar ger betydande hastighetsreduktion, vilket gör dem idealiska för applikationer som kräver ett högt utväxlingsförhållande utan behov av flera växlar.
- Kompakt design: Snäckväxlar har en kompakt och platsbesparande design, vilket gör att de kan användas i applikationer med begränsat utrymme.
- Självlåsande: Snäckväxlar uppvisar självlåsande egenskaper, vilket innebär att snäckskruven kan förhindra att snäckhjulet reverserar sin rörelse. Detta är fördelaktigt för applikationer där växellådan behöver hålla en last på plats utan externa bromsmekanismer.
- Smidig och tyst drift: Snäckväxlar arbetar med en glidande rörelse mellan tänderna, vilket resulterar i en jämnare och tystare drift jämfört med vissa andra typer av växellådor.
- Högmomentsväxellåda: Snäckväxlar kan överföra höga vridmomentnivåer, vilket gör dem lämpliga för applikationer som kräver kraftfullt vridmoment.
- Värmeavledning: Glidfunktionen mellan snäckskruven och snäckhjulet bidrar till värmeavledning, vilket kan vara fördelaktigt i applikationer som genererar värme under drift.
- Stabil prestanda: Snäckväxel erbjuder stabil och pålitlig prestanda, vilket gör dem lämpliga för kontinuerlig drift i olika industriella och mekaniska system.
Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.
editor by CX 2024-01-10