1.High speed-regulating precision :0.5-1 rotation
2.High speed-changing range: ratio from 1:1.4 to 1:7 freely;
3.High strength and long service life
4.Convenient to regulate speed
5.Can run continuously, front to back running direction, smooth running,stable performance, and low noise.
6.Sealed fully and suitable for any environment
7.Companct structure and small volume
8.Made of high quality aluminium alloy diecast into foarming, nice appearance,light weight and non-rusty.9.Good adaptation:UDL series speed variators can be combined with all kinds of speed reducers to achive low stepless speed regulating(such as R-K-F-S Series and NMRV worm reducers).
UDL series stepless speed variators are widely used for foodstaffs, packing, chemicals,pharmacy,plastics, paper-making, machine tools,communications and all kinds of automatic lines,pipelines and assembly lines which need speed regulating. It is a good companion for production machines.
|Performance table for UDL series speed variators(n1=1400r/min)
About our company:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.Our leading products is full range of RV571-150 worm reducers , also supplied hypoid helical gearbox, PC units, UDL Variators and AC Motors.Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.
Packing information:Plastic Bags+Cartons+Wooden Cases , or on request.
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia
After Sales Service
1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.
1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
5.Q:Free sample is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
A:Yes, we have CE certificate and SGS certificate report.
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!
|Motor, Machinery, Marine, Agricultural Machinery, Industry
|Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
|Hardened Tooth Surface
|Vertical or Horizontal Type
Can variator gearboxes be used for both speed reduction and speed increase?
Yes, variator gearboxes are versatile and can be used for both speed reduction and speed increase applications. Their design allows for continuous and stepless adjustment of the gear ratio, enabling a wide range of speed variations in either direction. Here’s how variator gearboxes achieve speed reduction and speed increase:
Variator gearboxes utilize a mechanism called a variator, which consists of two cone-shaped pulleys connected by a belt or chain. These pulleys can move closer or farther apart, effectively changing the effective diameter of the pulley and thus the gear ratio. By adjusting the distance between the pulleys, the gear ratio can be continuously varied, resulting in different output speeds.
When the variator gearboxes are used for speed reduction, the input speed is higher than the desired output speed. In this case, the variator mechanism adjusts the pulleys to create a smaller effective diameter on the output side. As a result, the output shaft rotates at a slower speed compared to the input shaft, achieving speed reduction. This speed reduction is useful in various applications where slower speeds are required, such as conveyors, industrial machinery, or vehicles that need lower operating speeds.
Variator gearboxes can also be used to increase the speed from the input to the output shaft. In this scenario, the input speed is lower than the desired output speed. The variator mechanism adjusts the pulleys to create a larger effective diameter on the output side. As a result, the output shaft rotates at a faster speed than the input shaft, achieving speed increase. Speed increase functionality is beneficial in applications such as certain types of machinery or vehicles that require higher operating speeds.
The ability of variator gearboxes to provide continuous and stepless adjustment of the gear ratio allows for precise control of the output speed, regardless of whether it needs to be reduced or increased. This flexibility makes variator gearboxes suitable for a wide range of applications where adjustable speed control is necessary.
It is worth noting that while variator gearboxes can provide a significant range of speed reduction and speed increase, they have limitations in terms of the maximum and minimum achievable ratios. The specific capabilities of a variator gearbox depend on its design, size, and intended application. It is important to consult the manufacturer’s specifications and guidelines to ensure that a particular variator gearbox is suitable for the desired speed reduction or speed increase requirements.
What considerations should be taken into account when choosing lubrication for variator gearboxes?
When choosing lubrication for variator gearboxes, several important considerations should be taken into account. The lubricant plays a critical role in ensuring smooth operation, reducing friction, dissipating heat, and protecting the internal components of the gearbox. Here are the key factors to consider when selecting lubrication for variator gearboxes:
The operating conditions of the variator gearbox are a primary consideration when choosing lubrication. Factors such as temperature, load, speed, and the environment in which the gearbox operates should be evaluated. Lubricants have specific viscosity and temperature ranges in which they perform optimally. It is essential to select a lubricant that can maintain its properties and provide adequate lubrication under the anticipated operating conditions.
Viscosity is a vital property of lubricants. It determines the lubricant’s resistance to flow and its ability to form a stable lubricating film between moving components. The viscosity of the lubricant should be selected based on the speed and load requirements of the variator gearbox. If the viscosity is too low, it may result in inadequate lubrication and increased wear. Conversely, if the viscosity is too high, it may create excessive friction and power losses. Manufacturers typically provide viscosity recommendations based on the gearbox’s design and intended application.
There are various types of lubricants available for variator gearboxes, including mineral oils, synthetic oils, and greases. Each type has specific characteristics and performance properties. Mineral oils are commonly used and offer good lubrication properties at a lower cost. Synthetic oils provide enhanced performance in terms of temperature stability, oxidation resistance, and load-carrying capacity. Greases are often used in applications where the gearbox operates in a sealed environment or requires extended lubrication intervals. The type of lubricant should be selected based on the specific requirements and operating conditions of the variator gearbox.
Additives and Properties:
Lubricants may contain additives to enhance their performance and provide additional benefits. These additives can include anti-wear agents, extreme pressure additives, antioxidants, and corrosion inhibitors. Consideration should be given to the presence of these additives and their compatibility with the gearbox components. Additionally, properties such as foaming tendency, air release, and water separation characteristics should be evaluated to ensure the lubricant can effectively perform its intended functions within the variator gearbox.
Compatibility between the lubricant and the materials used in the variator gearbox is crucial. Lubricants should be compatible with the gearbox’s seals, gaskets, o-rings, and other elastomeric components. Incompatible lubricants can cause swelling, degradation, or loss of functionality in these components. It is important to consult the gearbox manufacturer’s recommendations or seek expert advice to ensure the selected lubricant is compatible with all the materials used in the variator gearbox.
Maintenance and Service Intervals:
The maintenance requirements and recommended service intervals should be considered when choosing lubrication for variator gearboxes. Some lubricants may have longer service life and extended maintenance intervals, while others may require more frequent replenishment or change-outs. Evaluating the lubricant’s longevity and the gearbox’s maintenance schedule will help determine the most suitable lubrication option that meets the operational and maintenance requirements of the variator gearbox.
By considering the operating conditions, viscosity requirements, lubricant type, additives and properties, compatibility, and maintenance aspects, one can make an informed choice when selecting lubrication for variator gearboxes. Proper lubrication selection and regular maintenance will contribute to the longevity, efficiency, and reliable performance of the variator gearbox in various industrial applications.
Which industries and machinery commonly utilize variator gearboxes?
Variator gearboxes find applications in a wide range of industries and machinery, thanks to their ability to provide continuously adjustable speed control. Here are some of the industries and machinery commonly utilizing variator gearboxes:
- Automotive: Variator gearboxes, particularly in the form of continuously variable transmissions (CVTs), are widely used in the automotive industry. They optimize engine performance and fuel efficiency by allowing the engine to operate at the most efficient speed for different driving conditions. CVTs can be found in passenger cars, motorcycles, and other vehicles.
- Manufacturing: The manufacturing industry extensively employs variator gearboxes in various machinery and equipment. They are used in machine tools, such as lathes, milling machines, and drilling machines, to control the rotational speed of cutting tools and achieve precise machining operations. Variator gearboxes are also utilized in assembly lines, conveyors, material handling systems, and packaging machinery to enable flexible speed control and optimize productivity.
- Construction and Mining: Construction and mining machinery often utilize variator gearboxes to control the speed and torque of equipment. Examples include excavators, cranes, bulldozers, loaders, and drilling rigs. Variator gearboxes allow these machines to adapt to different soil conditions, handle heavy loads, and provide efficient power transmission for various tasks involved in construction and mining operations.
- Power Generation and Utilities: In the power generation and utilities sector, variator gearboxes play a role in applications such as generators, turbines, and pumps. They enable precise speed control and efficient power transmission, optimizing the performance of these systems. Variator gearboxes are also used in water treatment plants, wastewater treatment facilities, and other utility infrastructure where adjustable speed control is required.
- Agriculture: Agricultural machinery often incorporates variator gearboxes to provide speed control and torque transmission in various farming operations. Equipment such as tractors, combine harvesters, irrigation systems, and seeders benefit from the ability to adjust speeds for different tasks, soil conditions, and crop types. Variator gearboxes contribute to efficient and precise agricultural processes.
- Marine: In the marine industry, variator gearboxes are utilized in propulsion systems for boats, ships, and other watercraft. They enable speed control and power transmission in marine engines, optimizing fuel consumption and maneuverability. Variator gearboxes are also found in auxiliary systems, such as winches and cranes, on board ships.
- Food and Beverage: Variator gearboxes are employed in the food and beverage industry for applications such as mixers, blenders, dough kneaders, and conveyor systems. They allow for precise speed control and efficient mixing or processing of ingredients. Variator gearboxes contribute to consistent product quality and production efficiency in food and beverage manufacturing.
- Textile and Printing: Textile manufacturing machinery, such as spinning machines and looms, as well as printing equipment, rely on variator gearboxes for speed control during various stages of the production process. Variator gearboxes enable smooth and precise control of rotational speeds, ensuring the desired quality and characteristics of textile products and printed materials.
These are just a few examples of the industries and machinery that commonly utilize variator gearboxes. The versatility and benefits of variator gearboxes make them valuable components in numerous applications where continuous and adjustable speed control is required.
editor by CX 2023-09-08