Product Description
SF Series B5 Flange Mounted Helical-worm Gearbox with Explosion-Proof Motor with Flange Connection
S series: right-angle speed reduction gearing composed by helical gears, worms, and gears, optimized and designed according to international standard.
High precision, high efficiency, fine classification in transmission ratio, wide range, large transmission torque, reliable performance, low noise, flexible installation, and convenient use and maintenance.
They are widely used in various low-speed transmissions, which are general basic parts of mechanical transmission.The gear ratios afforded by the helical-worm gear stage and the low noise levels during operation make these gear motor ideal low-cost solutions for simple applications.
1.Technical data:
| Product Name | SF Series B5 Flange Mounted Helical-worm Gearbox with Explosion-Proof Motor with Flange Connection |
| Gear material | 20CrMnTi alloy steel |
| Color | Blue Silver Customerized |
| Case Material | Cast iron HT200 |
| Gear Processing | Grinding finish by HOFLER Grinding Machines |
| Noise Test | Below 65dB |
| Brand of bearings | C&U bearing, ZWZ,LYC, HRB, CHINAMFG ,etc |
| Brand of oil seal | NAK or other brand |
| Temp. rise (MAX) | 40ºC |
| Temp. rise (Oil)(MAX | 50ºC |
| Vibration | ≤20µm |
| Housing hardness | HBS190-240 |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Machining precision of gears | 5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | Carburizing, Quenching etc |
| Efficiency | 89% (depends on the transmission stage) |
| Backlash | ≤20Arcmin |
2. Installation type and output mode:
bottom seated type and large and small flange type installation, CHINAMFG shaft output.
3. Input mode:
direct motor, shaft input and connecting flange input.
4. Reduction ratio:
7.75~12901, S,R combination up to 33918.
5.Technical parameters:
Coaxial output
Motor Power: 0.12kw-30kw
Torque: 1.4N · m ~ 23200N · m
Output speed: 0.06 ~ 374r/min
6. Model of R series reducer:
SF37, 47, 57, 67, 77, 87, 97
Detailed Photos
Certifications
Packaging & Shipping
Installation Instructions
Company Profile
< ABOUT TILI
< WORKSHOP
< QUALITY CONTROL
FAQ
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of reducer.
Q 2:Can you do OEM?
A:Yes, we can. We can do OEM for all the customers .if you want to order NON-STANDERD speed reducers,pls provide Drafts, Dimensions, Pictures and Samples if possible.
Q 3: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
Q 4: Do you have inspection procedures for reducer?
A:100% self-inspection before packing.
Q 5: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.
Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide,the technical information of required output torque, output speed and motor parameter etc. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.
Q 7: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, Size , Transmission Ratio, input and output type, input flange, mounting position, motor information and shaft deflection etc. b)Housing color.c) Purchase quantity. d) Other special requirements
Q 8:What is the payment term?
A:You can pay via T/T(30% in advance as deposit before production +70% before delivery
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
| 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 2024-03-12