Product Description
SC Transmission Nema Worm Gear Reducer
Product Description
Aluminum Worm Gear Reducers
Flexible, reliable, and lightweight speed reduction
When your application requires a lightweight speed reducer, SC Transmission’s aluminum right angle NMRV Series worm gear reducers are a durable, reliable, and highly compatible option. Features include a hardened worm shaft for increased durability, 2 bearings on all input and output shafts for reliable performance, and multiple mounting holes for all angle mounts.
A wide variety of NEMA input flange and hollow output bore sizes will ensure compatibility with many applications.
Specifications:
• Housing: One-piece cast aluminum alloy
• Input Compatibility: 56C, 145TC, 182/4TC
• Center Distances: 30 – 90 mm
• Speed Ratio: 7.5:1 – 100:1
Product Features
• 7.5:1 – 100:1 ratios • 30 mm – 90 mm center distances
• One-piece aluminum alloy housing for lightweight strength
• Hardened worm shaft for increased durability
• Two bearings on input and output shafts
• Sizes 75 and 90 have tapered roller bearings on the output shaft
• NEMA motor input flanges • All units filled with synthetic oil for an M1 position mounting
• Adjust oil level for alternative mounting positions
• Double lip oil seals prevent leakage
• Multiple mounting holes for all angle mounts
• Powder coat paint plan on external housing to resist corrosion
• Hollow output bores with plug-in output shafts
• 1 year warranty
Detailed Photos
Company Profile
FAQ
Shipping
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Gear Shape: | Bevel Gear |
| Type: | Worm Reducer |
| Input Power: | 0.1-25.8kw |
| Transport Package: | Plywood Case |
| Specification: | NMRV/NRV |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
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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 2023-09-13