Product Description
Product Description
1 Twin Tapered Output Hub
A tapered bore in both sides of the reducer’s output hub snugs up against a matching taper on the outer surface of the bushing. Bushing mounting screws pass through the bushing flange into a mounting collar on the hub. As the screws are tightened, the bushing moves inward, gripping the driven machine’s input shaft tightly and evenly around every pointon its circumference. It is easy-on, easy-off. All the Output Bushing Bore accord to ANSI
2 Precision High Quality Gearing
Computer Design Helical Gears, Strong Alloy Materials for High Load Capacity, Case Carburized for long life, Ground Profile CHINAMFG tooth Profile, In
Conformance with ISO 1328-1997, 98% Efficiency for Per Stage, Smooth Quiet Operation with Several Teeth in Mesh.
3 Maximum Capacity Housing Design
Close Grain Cast Iron Construction, Excellent Vibration Dampening & Shock Resistance Features, Precision Bored and Dowelled to Ensure Accurate In-Line Assembly.
4 Strong Alloy Steel Shafts
Strong Alloy Steel, Hardened, Ground on Journals, Gear Seatings and Extensions, for Maximum Load and Maximum Torsional Loads. Generous Size Shaft Keys for Shock Loading.
5 Use adapter for mount the torque arm, increase the strength of the gear case, the torque armeasy-on and easy-off and reliability, controls position of standard torque arm mounting within recommended limits.
6 BackStops
Alternative Parts, anti-run back device, are available on all 19:1, 15:1 and 25:1 ratio units.
7 Bearings and Oilseals
Bearings are all tapered roll bearings(Except SMRY-2), have long time service time. Oilseals are Double Lipped Garter Spring Type, Ensuring Effective Oil Sealing.
8 Torque Arm Assembly
For Easy Adjustment of the Belt.
| size | Nominal ratio 15:1 | Nominal ratio 25:1 | weight lbs |
||||
| Actual Ratio | Maximum Input rpm | Maximum Ouput rpm | Actual Ratio | Maximum Input rpm | Maximum Ouput rpm | ||
| SMRY-2 | 14.04 | 1974 | 140 | 23.37 | 1994 | 85 | 58 |
| SMRY-3 | 14.87 | 2083 | 140 | 24.75 | 2100 | 85 | 98 |
| SMRY-4 | 15.13 | 2118 | 140 | 24.38 | 2072 | 85 | 139 |
| SMRY-5 | 15.4 | 1925 | 125 | 25.56 | 2044 | 80 | 207 |
| SMRY-6 | 15.34 | 1916 | 125 | 25.14 | 2571 | 80 | 285 |
| SMRY-7 | 15.23 | 1827 | 120 | 24.84 | 1863 | 75 | 462 |
| SMRY-8 | 15.08 | 1809 | 120 | 24.62 | 1847 | 75 | 633 |
| SMRY-9 | 15.12 | 1814 | 120 | 25.66 | 1925 | 75 | 760 |
size SMRY-2, 3,4,5,6,7,8,9 , ratio 15:1 ,25:1
Company Profile
l The largest manufacturer and exporter of worm gear reducers in Asia.
l Established in 1976, we transformed from a county owned factory to private 1 in 1996. HangZhou SINO-DEUTSCH POWER TRANSMISSION EQUIPMENT CO.,LTD is our new name since 2001.
l We are the first manufacturer of reducers and gearboxes in China who was given export license since year 1993.
l “Fixedstar” brand gearboxes and reducers are the first owner of CHINA TOP BRAND and Most Famous Trade Mark for reducers.
First to achieve ISO9001 and CE Certificate among all manufacturers of gearboxes in China.
As a professional manufacturer of worm gearbox and worm gear reducers in China, we mainly produce reduction gearbox,aluminum case worm gearboxes,arc gear cylindrical worm gearboxes, worm gear reducers, in line helical gearboxes, and cyclo drive reducers, etc. These products feature rational structure, stable performance, and reliable quality, and so on. They are widely used in power, mining, metallurgy, building material, chemical, food, printing, ceramic, paper-making, tobacco, and other industries.
We have 600 workers in our factory, which covers 70,000 square CHINAMFG in HangZhou. We have been making 2,500 units of reducers everyday since 2012. We are proudly exporting 70% of our products to more than 40 countries all over the word. Our customers come from Italy, Germany, USA, Canada, Spain, UK, Mexico, Brazil, Argentina, Turkey, Singapore and other main industrial countries in the world. 30% of them are OEM made for direct manufacturers of other products.
We warmly welcome customers from other parts of the world to visit us. Seeing is believing. We are very confident that after visiting our facility, you will have confidence on our products. We have the latest automatic equipments and experienced workers to ensure the stable quality and large output. We have the most sophisticated technical and engineering team to support most demanding requirement on standard and OEM products.
Looking CHINAMFG to meeting you in HangZhou, China.
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| Application: | Machinery, Marine, Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction |
| Layout: | Parallel |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|
What are the Noise Levels Associated with Worm Gearboxes?
The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:
- Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
- Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
- Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
- Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
- Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
- Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.
It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.
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.
Types of Worm Gear Configurations and Their Uses
Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:
- Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
- Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
- Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
- Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
- Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
- Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.
Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.
editor by CX 2024-05-10