Product Description
Overview
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Quick Details
Model: UDL Brand Name: EED
Input Speed: 1400/min Output Speed: 880~1000/min
Ratio: 1.4~7 Output Torque: 1.5~118Nm
Color: Blue/Grey or on request Origin: ZHangZhoug, China (Mainland)
Warranty: 1 Year Application: Industry
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Supply Ability
Supply Ability: 20000 Piece/Pieces per Month
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Packaging & Delivery
Package: Polywood Case or customized.
Port: HangZhou/ZheJiang or on request
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| TYPE | Step-less Speed Variator |
| MODEL | UDL series size:002,005,571,571,030,050,100 |
| RATIO | 1.4~7 |
| COLOR | Blue(RAL5571)/Silver grey (RAL9571) or on your request |
| MATERIAL | Housing:UDL 002,005,571 Aluminum Alloy ; UDL 571,030,050,100 Cast Iron |
| PACKING | Polywood Case or customized. |
| BEARING | C&U |
| SEAL | SKF |
| WARRANTY | 1 Year |
| INPUT POWER | 0.18kw,0.37kw,0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,3.0kw,4.0kw,5.5kw,7.5kw |
| USAGES | Foodstuffs, Ceramics, Packing, Chemicals, Pharmacy, Plastics, Paper-making, Machine-tools |
| IEC FLANGE | IEC standard flange or on request |
| LUBRICANT | UB-3 |
| PAM | P | N | M | 0 | D | b | t | T | |
| IEC | |||||||||
| UDL002 | 63B5 | 140 | 95 | 115 | M8 | 11 | 4 | 12.8 | 4 |
| UDL005/TXF005 | 71B5 | 160 | 110 | 130 | M8 | 14 | 5 | 16.3 | 5 |
| UDL571/TXF571 | 80B5 | 200 | 130 | 165 | M10 | 19 | 6 | 21.8 | 6 |
| UDL571 | 90B5 | 200 | 130 | 165 | M10 | 24 | 8 | 27.3 | 6 |
| UDL030/050 | 100B5/112B5 | 250 | 180 | 215 | M12 | 28 | 8 | 31.3 | 6 |
| UDL100 | 132B5 | 300 | 230 | 265 | M12 | 38 | 10 | 41.3 | 6 |
About EED since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamping field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, have reached the advanced technique index of the congeneric European and Janpanese products, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept order of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or samples.
Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, gear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling machines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.
Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw material, heat treatment, surface finishing and so on.
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Step: | Stepless |
| Type: | Worm Reducer |
| Customization: |
Available
| Customized Request |
|---|

Can a Worm Gearbox be Used for High-Speed Applications?
Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:
- Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
- Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
- Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
- Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.
While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

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:
- Input Speed: 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.
- Output Speed: 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.

How to Select the Right Worm Gearbox for Your Application
Selecting the right worm gearbox for your application involves careful consideration of various factors:
- Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
- Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
- Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
- Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
- Mounting Options: Determine the mounting orientation and configuration that best suits your application.
- Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
- Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
- Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
- Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
- Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.
Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.


editor by CX 2023-09-11