China high quality Ud Series Aluminum Mechanical Gear Speed Variator with Motor Electric

Product Description

Ud Series Aluminum Mechanical gear speed variator With Motor Electric 

Production description:

UDL series speed variator design is compromised the international advanced technology. The main characteristics of UDL speed variator as following:

Adjust speed precision 0.5-1 rpm/min
Speed ratio 1: 1.4 to 1: 7
Features Good strength and long life application
Adjust the speed Conveniently
Could be running continuously, positive and negative running directly, smooth in driving, stable in performance and low in noise.
Full in sealing and suitable for any environment
Compact in structure and small.
High-quality aluminium alloy die casting into shape, good-looking in appearance, light in weight and it never gets rusty.
Good in adaptation UDL series variator can be combined with all kinds of speed reducers, as to achieve low stepless speed-changing.



Models Power Ratio Output speed(n2)* Output torque Output shaft dia.  Output flange dia. 
Udl002 0.18kw 1.6~8.2 800~170r/min 1.5~3n. M Φ11 Φ140
Udl005 0.25kw 1.4~7 1000~200r/min 2.2~6n. M Φ14 Φ160
Udl005 0.37kw 1.4~7 1000~200r/min 3~6n. M Φ14 Φ160
Udl571 0.55kw 1.4~7 1000~200r/min 4~8n. M Φ19 Φ200
Udl571 0.75kw 1.4~7 1000~200r/min 6~12n. M Φ19 Φ200 

Commeicial information:

MOQ 1 Piece
Package Plywood Case/Wooden Case
Delivery 20-25 days
Payment Terms FOB, CIF, CFR
Payment Methods T/T, 30% in advance, 70% before delivery
Shipping Port ZheJiang

Housing: Aluminium or ht250 cast iron.
Gear: 20crmnti h, high grade allo with carburization, surface hardness: 58-62HRC, center hardness: 33-48HRC
Grinding precision grade: ISO1328-1: 1995 class 5-6, surfaceness: 0.8, carburization depth: 0.6-1.5mm
Bearing: 42CrMo

Company profile:

Company: HangZhou CHINAMFG machinery Co., Ltd—a joint-venture company
Employmee: More than 3000, technical staff have 1/3 intotal
Business scope: P/RV/R/F/K/HB series gear units, AC motor and micro-planetary gearbox, ATA series hanging shaft-mounted gearbox
Factory square: 0.6million square meters
Market share: South America, Europe, the Middle East, southeast Asia and other countries

Our Superiority:
1. Delivery on Time.
2. Professional Service: Customized is our advantage.
3. Good Quality.
4. Fast and Low Cost Deliver: Long-term cooperated shipping forwarders.

Our Services:

Pre-sale services 1. Select equipment model.
2.Design and manufacture products according to clients’ special requirement.
3.Train technical personal for clients
Services during selling 1.Pre-check and accept products ahead of delivery.
2. Help clients to draft solving plans
After-sale services 1.Assist clients to prepare for the first construction scheme.
2. Train the first-line operators.
3.Take initiative to eliminate the trouble rapidly.
4. Provide technical exchanging.

Customer visiting:

1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

If you have any demand for our products please feel free to contact me

Application: Machinery
Function: Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Stepless



What factors should be considered when selecting a variator for different industrial applications?

When selecting a variator for different industrial applications, several factors need to be considered to ensure optimal performance and compatibility. Here are the key factors that should be taken into account:

1. Load Requirements:

The first factor to consider is the load requirements of the specific industrial application. Determine the torque and power demands of the machinery or equipment that the variator will be driving. It is essential to select a variator that can handle the anticipated load conditions without exceeding its maximum torque or power capabilities. Consider factors such as starting torque, peak torque, and continuous torque requirements to ensure the variator can handle the load effectively.

2. Speed Range:

Consider the required speed range for the application. Determine the minimum and maximum speeds that the variator needs to achieve. Variators are designed to operate within specific speed ranges, so it is crucial to select a model that can accommodate the required speed range while maintaining optimal performance. Additionally, consider the desired speed resolution or increments required for precise speed control.

3. Environmental Conditions:

Take into account the environmental conditions in which the variator will operate. Factors such as temperature, humidity, dust, and vibration levels can impact the performance and longevity of the variator. Choose a variator that is designed to withstand the specific environmental conditions of the industrial application. For example, some variators are specifically designed for harsh or hazardous environments and have enhanced protection against dust, moisture, or extreme temperatures.

4. Control System Integration:

Determine how the variator will integrate with the control system of the industrial application. Consider compatibility with existing control interfaces or protocols, such as analog, digital, or fieldbus systems. Ensure that the variator can be easily integrated into the control architecture of the machinery or equipment, allowing for seamless communication and control. Compatibility with programmable logic controllers (PLCs) or other control devices should also be evaluated.

5. Operational Efficiency:

Evaluate the operational efficiency of the variator. Look for features that contribute to energy efficiency, such as low power losses or regenerative capabilities. A variator that operates efficiently can help reduce energy consumption, lower operating costs, and minimize the environmental impact. Consider features like automatic energy optimization, energy monitoring, or sleep modes that can enhance the overall efficiency of the variator.

6. Maintenance and Serviceability:

Consider the ease of maintenance and serviceability of the variator. Look for features that simplify maintenance tasks, such as accessible components, user-friendly interfaces, and diagnostic capabilities. Additionally, consider the availability of spare parts and the reputation of the manufacturer or supplier in terms of customer support and after-sales service.

7. Cost and Budget:

Finally, evaluate the cost of the variator and its alignment with the budget for the industrial application. Consider the initial purchase cost as well as the long-term operational costs, including energy consumption, maintenance, and potential downtime. It is important to strike a balance between the desired features, performance, and cost-effectiveness to ensure the best value for the specific application.

By considering these factors – load requirements, speed range, environmental conditions, control system integration, operational efficiency, maintenance and serviceability, and cost – when selecting a variator for different industrial applications, you can make an informed decision that meets the specific needs of the machinery or equipment, ensuring reliable and efficient operation.


What are the signs that indicate a need for variator repairs, and how can they be diagnosed?

Recognizing the signs that indicate a need for variator repairs is crucial for maintaining the performance and reliability of the system. Here are some common signs to watch out for and the diagnostic methods used to identify variator issues:

1. Abnormal Noise:

If you notice unusual noises coming from the variator, such as grinding, whining, or rattling sounds, it could indicate a problem. These noises may be a result of worn-out bearings, misaligned components, or damaged pulleys. To diagnose the issue, a thorough inspection of the variator, including the pulleys, belts, and bearings, can help identify the source of the noise.

2. Slipping or Inconsistent Power Transfer:

If you experience a loss of power or notice the engine revving without a corresponding increase in speed, it could indicate slipping belts or worn-out pulleys in the variator system. Inconsistent power transfer can also manifest as jerky acceleration or a delay in power delivery. Diagnosing this issue involves checking the tension and condition of the belts, as well as inspecting the pulleys for signs of wear or damage.

3. Overheating:

If the variator system becomes excessively hot during operation, it may indicate a problem. Overheating can be caused by factors such as insufficient lubrication, misalignment, or excessive friction within the variator components. Diagnosing this issue involves monitoring the temperature of the variator during operation and inspecting the lubrication levels, cooling systems, and components for any abnormalities.

4. Vibration or Shaking:

Excessive vibration or shaking during variator operation can be a sign of misaligned components, worn-out bearings, or damaged pulleys. These issues can lead to an imbalanced operation, resulting in vibrations felt throughout the machinery. To diagnose this issue, a visual inspection of the variator components and a check for any signs of wear or damage can help identify the source of the vibration.

5. Leaking Fluid:

If you notice fluid leaks around the variator system, it could indicate a problem with seals or gaskets. Leaking fluid can lead to inadequate lubrication or loss of hydraulic pressure, affecting the performance and reliability of the variator. Diagnosing this issue involves identifying the source of the leak and examining the seals, gaskets, and fluid levels for any signs of damage or wear.

6. Erratic Gear Shifting:

If the variator system exhibits erratic or inconsistent gear shifting, such as sudden jumps in gear ratio or difficulty in engaging certain gears, it may indicate a problem with the variator components or the control system. Diagnosing this issue involves inspecting the variator components, including the pulleys, belts, and control mechanisms, and checking for any misalignments, wear, or malfunctions.

7. Diagnostic Tools and Professional Inspection:

In addition to the visual inspections mentioned above, professional diagnosis of variator issues often involves the use of specialized diagnostic tools and equipment. These tools can include belt tension gauges, laser alignment devices, vibration analyzers, temperature sensors, and diagnostic software. Professional technicians with expertise in variator systems can perform comprehensive inspections and use these tools to diagnose specific problems accurately.

It’s important to note that variator repairs should be carried out by trained professionals with experience in variator systems. If you notice any signs indicating potential variator issues, it is advisable to have the system inspected and repaired by a qualified technician to ensure proper diagnosis and appropriate repairs are performed.


What is a variator, and how does it function in mechanical systems?

A variator is a mechanical device used in certain systems to provide variable speed or torque output. It is commonly found in applications such as belt-driven continuously variable transmissions (CVTs) and hydraulic systems. A variator allows for seamless and continuous adjustment of output speed or torque within a specific range, without the need for discrete gears or speed ratios. Here’s a detailed explanation of what a variator is and how it functions in mechanical systems:

A variator typically consists of two primary components: a driving element and a driven element. The driving element is connected to the power source, while the driven element is connected to the load or output. The two elements are linked together through a set of movable parts, such as adjustable sheaves, cones, or pistons.

The function of a variator is to vary the effective diameter or contact ratio between the driving and driven elements. By changing the effective diameter, the output speed or torque can be adjusted continuously. The specific mechanism employed by a variator depends on its design and application, but the basic principle remains the same.

In a belt-driven CVT variator, for example, the driving element consists of two variable-diameter pulleys connected by a belt. The pulleys have movable sheaves that can adjust their effective diameter. By changing the position of the sheaves, the belt rides at different points on the pulleys, effectively changing the gear ratio and allowing for continuous speed variation. When the driving pulley’s effective diameter increases, the belt rides higher on the pulley, resulting in a larger output speed. Conversely, when the driving pulley’s effective diameter decreases, the belt rides lower, resulting in a smaller output speed.

In hydraulic systems, a variator can be achieved through the use of adjustable flow control valves or variable-displacement pumps. By adjusting the valve position or pump displacement, the flow rate and speed of the hydraulic fluid can be varied, enabling precise control of the output speed and torque.

Overall, the variator’s function in mechanical systems is to provide a continuously variable output by adjusting the effective diameter, contact ratio, or flow rate. This enables smooth and seamless speed or torque variation without the need for discrete gears or speed ratios. Variators offer advantages such as improved efficiency, flexibility, and precise control in various applications, including automotive transmissions, industrial machinery, and hydraulic systems.

China high quality Ud Series Aluminum Mechanical Gear Speed Variator with Motor Electric  China high quality Ud Series Aluminum Mechanical Gear Speed Variator with Motor Electric
editor by CX 2023-11-27