Product Description
Product Description
HangZhou ADVANCE Gearbox
HangZhou ADVANCE produces the best gearbox in China.
The MA125 marine gearbox is capable of decelerating speed, reversing clutch direction and bearing propeller thrust. It is suitable for small fishing boats, traffic boats, lifeboats and other types of small vessels.
The MA125 gearbox is mechanically operated, has a small size and a light weight.
Product Parameters
| Input Speed | 1500~3000r/min | ||
| Reduction Ratio (i) | 2.03,2.46 | Transmission Capacity (kW/r/min) | 0.02 |
| 3.04 | 0.018 | ||
| 3.57 | 0.016 | ||
| 4.05 | 0.014 | ||
| 4.39 | 0.013 | ||
| 4.7 | 0.011 | ||
| Maneuver Type | Push-pull flexible Shaft | ||
| Center Distance | 125mm | ||
| Rated Thrust | 5.5KN | ||
| L×W×H | 291*454*485mm | ||
| Net Weight | 115kg | ||
| Coupling Flywheel | SAE 11.5/10 | ||
| Coupling Housing | SAE 2/3/4 | ||
Product Configuration
CUSTOMIZE YOUR MACHINE
Oil Pressure Gauge and Alarm Device
Oil Temperature Gauge and Alarm Device
SAE Flywheel Housing Options
Hydraulic Pressure Low Alarm
Solenoid Controlled Switch
…….
CONTACT US FOR MORE DETAILS YOU NEED!
Company Profile
Certifications
Packaging & Shipping
FAQ
1. Processing
Orders are usually packed and ready to ship in 1 to 3 business days if the products are in stock. However shipments are subiect to required manufacturing time and customs clearance procedures. which can cause delays beyond original delivery estimates. For detailed delivery information, please contact customer service.
2. Packing Methods
Normally we use wooden boxes for packaging or we can pack it according to your special needs.
3. Shipping Methods
We are happy to offer a variety of shipping methods. Shipping methods available: EXW.FOB.CER. CIF
4. International Returns & Exchanges
Unfortunately we can’t accept retums on intemational orders. We will test each product before dellverv One-year manufacturer warranty is quaranteed on our complete machines and 3 months on spare parts. 1 you have any concerns with your order, please reach out to customer service
5. Payment Methods
We sugqest 50/50 T/T payment method: 50 percent down payment on placement of the order, with the remaining 50% due CHINAMFG shipment. We also accept L/C, Trade Assurance, Visa transfer and Paypal
| Application: | Machinery, Marine |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Type: | Worm Gear Box |
| Certificate: | CCS |
Self-Locking Properties in a Worm Gearbox
Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.
The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.
This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.
However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.
When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
- Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
- Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
- Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
- Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
- Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
- Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
Advantages of Using a Worm Reducer in Mechanical Systems
Worm reducers offer several advantages that make them suitable for various mechanical systems:
- High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
- Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
- Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
- Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
- High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
- Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
- Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.
Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.
editor by CX 2023-10-12