Product Description
Technical Parameter
Housing material | HT200 high-strength cast iron(EWR37, EWR47, EWR57, EWR67, EWR77, EWR87) |
Housing material | HT250 High strength cast iron(EWR97, EWR 107, EWR137, EWR147, EWR167) |
Gear material | 20CrMnTi |
Gear Surface&hardness | HRC58°-62° |
Gear core hardness | HRC33°-78° |
Input/Output shaft material | 40Cr |
Gear Machining precision | Accurate grinding 6-5 grade |
Heat treatment | Carburizing, Quenching etc |
Efficiency | Up to 92% |
Noise(Max) | 60-67dB |
Installation type | Foot mounted, flange mounted |
Output type | Solid shaft |
Bearing brand | NSK, SKF, HRB, ZWZ etc |
Oil seal brand | NAK, KSK etc |
Lubricant | VG220 |
Motor | IP55, F class |
Motor shaft | 40Cr, Carburizing, Quenching etc |
Warranty | 12months |
Color | Blue, Grey |
Model | EWR37 | EWR47 | EWR57 | EWR67 | EWR77 | EWR87 | EWR97 | EWR107 | EWR137 | EWR147 | EWR167 |
Weight | 9 | 14 | 24 | 27 | 33 | 60 | 110 | 150 | 255 | 365 | 615 |
Shaft Ф | 25mm | 30mm | 35mm | 35mm | 40mm | 50mm | 60mm | 70mm | 90mm | 110mm | 120mmProdu |
PRODUCT IMAGES
Features
♦Specially designed for agitator.
♦Compact structure, Integrated casting housing, low noise and long service life.
♦High efficiency and low maintenance.
Design
♦ Reducing Ratio: 2 stage 5~24.8, 3 stage 27.2~264, EWR/EWR combination type can be up to 18125.
♦ Mounting Type: Foot mounted, Flange mounted.
♦ Output Shaft: CHINAMFG shaft.
♦ Efficiency: Two-stage96%, three-stage 94%, and combination of EWR/EWR85%.
Technical Data
♦Size EWR37-EWR167
♦ Output Torque 130~18000N. M
♦ Motor Power 0.18~160kw
♦ Ratio 5~264(imax: 18125)
Industrial Application
♦Power Plant Equipment
♦Metallurgical Industry
♦Metal Forming Machinery
♦Petrochemical Industry
♦Mining Machine
♦Hoisting Machinery
♦Construction Industry
♦Environmental Protection Industry
♦Cable Industry
♦Food Machinery
Certificates
Passed ” ISO 9001 International Quality System Certificate”, “Europe CE Certificate”, ” Swiss SGS Certificate”, “High-tech enterprise certificate of ZheJiang city”, “Excellent performance management enterprise of ZheJiang city”, etc.
FAQ
1. Q: Can you make as per customer drawing?
A: Yes, we offer customized service for customers.
2. Q: Are you a factory or trading company?
A. We are a manufacturer in ZheJiang , China.
3. Q: What’s your MOQ?
A: One piece.
4. Q: Wha’s yout quality control system?
A: We are certified with CE,CCC,ISO 9001. We have own independent QC team * advanced equipments to ensure quality from material purchasing til goods delivery.
5. Q: What’s your production time?
A: 15-35 working days after receiving payment.
6. Q: What’s your payment terms?
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping.
7. Q: What’s your package?
A: In wooden box packaging.
Company information
ZheJiang CHINAMFG Gear Reducer Co., Ltd. is a large professional manufacturer & exporter of various helical gear reducers and specialize in the gear reducers area in China for 20 years. CHINAMFG has excellent R&D team, top-ranking production and test equipment. So we have the strong power in the developing and manufacturing the standards type as well as the customized type gear reducer for our customers.
We make and supply 6 series of speed reducer as follows:
EWK series helical-bevel gear reducers,
EWR series helical gear reducers,
EWF series helical gear reducers,
EWS series helical-worm gear reducers
HB series gearboxes,
P series planetary gear reducers,etc.
Our products have been exporting to many countries and regions, including but not limited Argentina , Brazil, Mexico, Columbia , Ecuador , USA, South Korea, Vietnam, Indonesia, Georgia, South Africa, China HK, China Taiwai,
Welcome to send us enquiry or drawing. Visit us in ZheJiang , China.
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Application: | Motorcycle, Machinery, Marine, Toy, Agricultural Machinery |
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Hardness: | Hardened Tooth Surface |
Installation: | Horizontal Type |
Layout: | Coaxial |
Gear Shape: | Helical Gear |
Step: | Three-Step |
Customization: |
Available
| Customized Request |
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Technological Advancements in Agricultural Gearbox Design
Advancements in agricultural gearbox design have significantly improved the efficiency, durability, and performance of farming equipment. Here are some notable technological advancements:
- Materials and Manufacturing: The use of advanced materials, such as high-strength alloys and composite materials, has enhanced the durability and longevity of gearbox components. Precision manufacturing techniques, including computer-aided design (CAD) and computer numerical control (CNC) machining, ensure tight tolerances and reliable performance.
- Gear Tooth Design: Modern gear tooth profiles, such as optimized helical and spiral bevel gears, reduce noise, vibration, and wear. Advanced tooth design also improves power transmission efficiency and load distribution.
- Sealing and Lubrication: Improved sealing technologies, such as double-lip seals and labyrinth seals, help prevent contaminants from entering gearboxes while retaining lubricants. Advanced lubrication systems, including automatic lubrication and improved oil formulations, extend maintenance intervals and enhance efficiency.
- Electronic Controls: Agricultural gearboxes increasingly integrate with electronic control systems. Sensors and actuators provide real-time data on gearbox performance, allowing for condition monitoring, predictive maintenance, and adjustments to optimize machinery operation.
- Smart Gearboxes: Some agricultural gearboxes are equipped with smart features, such as load sensors, temperature monitors, and feedback systems. These features enhance precision, safety, and overall equipment performance.
- Hybrid Power Transmission: Integration of hybrid power transmission systems, combining internal combustion engines with electric motors, allows for more efficient power delivery and reduced fuel consumption. Gearboxes play a crucial role in managing power distribution in these systems.
- Reduced Environmental Impact: Advancements in gear design contribute to reducing environmental impact. Quieter and more efficient gearboxes minimize noise pollution and energy consumption while meeting emissions regulations.
- Customization and Modularity: Some modern agricultural gearboxes offer modular designs that allow farmers to customize gear ratios, output speeds, and other specifications to match specific tasks and conditions.
- Simulation and Testing: Computer simulations and advanced testing methods, such as finite element analysis (FEA) and computational fluid dynamics (CFD), help optimize gearbox design, reduce prototyping costs, and ensure reliability before production.
These advancements collectively contribute to the evolution of agricultural gearboxes, making farming machinery more efficient, environmentally friendly, and adaptable to the changing needs of modern agriculture.
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.
Contribution of Agricultural Gearboxes to Tractor Functionality
An agricultural gearbox is a vital component of a tractor’s powertrain system, playing a pivotal role in enabling the tractor to perform a wide range of tasks on the farm. The functionality of tractors heavily relies on the proper operation of their gearboxes, which facilitate various essential functions:
- Power Transmission: Tractors are required to deliver substantial power and torque to perform tasks like plowing, tilling, and hauling. Agricultural gearboxes transmit power from the tractor’s engine to its wheels or other implement attachments, enabling efficient power delivery to the ground.
- Speed Control: Different agricultural tasks demand different speeds. Gearboxes allow operators to control the speed of the tractor to match the requirements of the task at hand. Whether it’s slow-speed operations like tilling or high-speed transport, the gearbox provides the necessary speed adjustments.
- Implement Attachment: Tractors are often used with a variety of implements, such as plows, harrows, and mowers. The gearbox facilitates the connection and operation of these implements by transmitting power and torque from the tractor’s engine to the implement’s working components.
- Directional Changes: Agricultural gearboxes enable tractors to change direction smoothly. They provide the necessary gearing arrangements to reverse the tractor’s movement, making it easy to maneuver around the farm, fields, and obstacles.
- Adaptation to Terrain: Agricultural gearboxes help tractors adapt to different terrains and soil conditions. By adjusting the gear ratio, tractors can optimize their performance for tasks like climbing slopes, working on uneven ground, or pulling heavy loads.
Modern agricultural gearboxes are designed for durability and reliability in the demanding farming environment. They are often equipped with features like multiple gears, synchronization mechanisms, and efficient lubrication systems to enhance their performance and longevity.
Regular maintenance and periodic checks are essential to keep the agricultural gearbox in optimal condition. Proper lubrication, gear inspection, and addressing any signs of wear or damage contribute to the longevity and consistent performance of the gearbox, thus ensuring the tractor’s functionality throughout the farming seasons.
editor by CX 2024-04-22
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