Product Description
Standard Gearboxes F Series Parallel Shaft Helical Gearboxes for Cranes
Components:
1. Housing: Cast Iron
2. Gears: Hardened Helical Gears
3. Input Configurations:
Equipped with Electric Motors
Solid Shaft Input
IEC-normalized Motor Flange
4. Applicable Motors:
Single Phase AC Motor, Three Phase AC Motor
Brake Motors
Inverter Motors
Multi-speed Motors
Explosion-proof Motor
Roller Motor
5. Output Configurations:
Solid Shaft Output
Hollow Shaft Output
Models:
F Series – Foot-mounted, CZPT shaft output
FAB Series – Foot-mounted, hollow shaft output
FA Series – Keyed hollow shaft output
FF Series – B5 Flange-mounted, CZPT shaft output
FAF Series – B5 Flange-mounted, hollow shaft output
FAZ Series – B14 Flange-mounted, hollow shaft output
FAT Series – Hollow shaft output, torque arm
FH, FHB, FHF, FHZ Series – Hollow shaft output, shrink disk
FV, FVB, FVF, FVZ Series – Hollow shaft output, splined hollow shaft
F(FA, FF, FAF, FAB, FAZ)S Series – CZPT shaft input
Features:
1. Modular design, compact structure. Extra-slim parallel shaft helical gearmotors are the perfect solution when space is limited
2. F series parallel shaft helical gearmotors are typically used in conveyors and materials processing applications
3. Multi-stage(2 or 3 stages) gear units for low output speed
4. Hollow output shaft with keyed connection, shrink disk, splined hollow shaft, or torque arm
5. Can be combined with other types of gearboxes (Such as R Series, UDL Series)
6. Optional mounting options (foot-mounted, flange-mounted, shaft-mounted)
Parameters:
| Models | Output Shaft Dia. | Input Shaft Dia. | Power(kW) | Ratio | Max. Torque(Nm) | |
| Solid Shaft | Hollow Shaft | |||||
| F38 | 25mm | 30mm | 16mm | 0.18~3.0 | 3.81~128.51 | 200 |
| F48 | 30mm | 35mm | 16mm | 0.18~3.0 | 5.06~189.39 | 400 |
| F58 | 35mm | 40mm | 19mm | 0.18~5.5 | 5.18~199.70 | 600 |
| F68 | 40mm | 40mm | 19mm | 0.18~5.5 | 4.21~228.99 | 820 |
| F78 | 50mm | 50mm | 24mm | 0.37~11 | 4.30~281.71 | 1500 |
| F88 | 60mm | 60mm | 28mm | 0.75~22 | 4.20~271.92 | 3000 |
| F98 | 70mm | 70mm | 38mm | 1.1~30 | 4.68~276.64 | 4300 |
| F108 | 90mm | 90mm | 42mm | 2.2~45 | 6.20~255.25 | 7840 |
| F128 | 110mm | 100mm | 55mm | 7.5~90 | 4.63~172.33 | 12000 |
| F158 | 120mm | 120mm | 70mm | 11~200 | 12.07~270.18 | 18000 |
Installation:
Foot-mounted
B5 Flange-mounted
B14 Flange-mounted
Shaft-mounted
Lubrication:
Oil-bath and Splash Lubrication
Cooling:
Natural Cooling
Packing & Delivery:
Our company :
AOKMAN was founded in 1982, which has more than 36 years in R & D and manufacturing of gearboxes, gears, shaft, motor and spare parts.
We can offer the proper solution for uncountable applications. Our products are widely used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol market and various other types of machines with a strong presence in the international market.
AOKMAN has become a reliable supplier, able to supply high quality gearboxes.With 36 years experience, we assure you the utmost reliability and security for both product and services.
Customer visiting:
Our Services:
| Pre-sale services | 1. Select equipment model. |
| 2.Design and manufacture products according to clients’ special requirement. | |
| 3.Train technical personal for clients | |
| Services during selling | 1.Pre-check and accept products ahead of delivery. |
| 2. Help clients to draft solving plans. | |
| After-sale services | 1.Assist clients to prepare for the first construction scheme. |
| 2. Train the first-line operators. | |
| 3.Take initiative to eliminate the trouble rapidly. | |
| 4. Provide technical exchanging. |
FAQ:
If you have specific parameters and requirement for our gearbox, customization is available. /* 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: | Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Parallel |
| Gear Shape: | Helical Gear |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|
Comparison of Helical Gearboxes and Bevel Gearboxes
Helical gearboxes and bevel gearboxes are both widely used for power transmission in various industrial applications. Here’s a comparison of their performance:
- Gear Meshing: Helical gearboxes use helical gears with inclined teeth that gradually engage, resulting in smoother and quieter operation compared to the more abrupt engagement of straight-cut bevel gears.
- Efficiency: Helical gearboxes generally offer higher efficiency due to their helical gear design, which distributes loads evenly across the teeth. Bevel gearboxes can have slightly lower efficiency due to the sliding action of gear teeth during engagement.
- Load Capacity: Helical gearboxes can handle higher loads and torque due to the larger contact area of the gear teeth. Bevel gearboxes are suitable for moderate loads and applications where the direction of power transmission needs to be changed.
- Space Efficiency: Bevel gearboxes are often more compact and suitable for applications where space is limited and a change in direction is required. Helical gearboxes may require more space due to the parallel shaft arrangement.
- Noise and Vibration: Helical gearboxes generate less noise and vibration compared to straight-cut bevel gearboxes. Bevel gearboxes can be noisier, especially at higher speeds.
- Application: Helical gearboxes are commonly used in applications requiring smooth and efficient power transmission, such as conveyors, pumps, and mixers. Bevel gearboxes are preferred for applications where changes in direction are necessary, such as in automotive differentials and printing presses.
Ultimately, the choice between helical and bevel gearboxes depends on the specific requirements of the application, including load capacity, space constraints, efficiency goals, and the need for directional changes in power transmission.
Considerations for Designing Helical Gearboxes for Heavy-Duty Applications
Designing helical gearboxes for heavy-duty applications requires careful consideration of various factors to ensure reliable and efficient operation under high loads and demanding conditions. Here are the key considerations:
- Load Capacity: Heavy-duty applications involve substantial loads. The gearbox must be designed to handle these loads while preventing premature wear and failure. Calculations of the load distribution, contact stresses, and material strength are crucial.
- Material Selection: High-strength and durable materials are essential for heavy-duty gearboxes. Alloy steels or special heat-treated materials are often chosen to provide the necessary strength and resistance to fatigue and wear.
- Gear Tooth Design: Optimal gear tooth profiles, such as optimized helix angles and tooth modifications, contribute to smoother engagement and reduced stress concentrations. This enhances the gearbox’s ability to handle heavy loads without excessive wear.
- Bearing Selection: Robust and high-capacity bearings are necessary to support the heavy loads and provide reliable shaft support. The bearings must be able to withstand both radial and axial forces generated during operation.
- Lubrication: Adequate lubrication is critical for heavy-duty gearboxes. Lubricants with high load-carrying capacity and extreme pressure properties are chosen to ensure proper lubrication under heavy loads and to reduce friction and wear.
- Heat Dissipation: Heavy-duty applications can generate significant heat due to friction and load. Efficient heat dissipation mechanisms, such as cooling fins or oil cooling, should be incorporated into the gearbox design to prevent overheating and thermal damage.
- Sealing: Effective sealing is necessary to prevent contaminants from entering the gearbox and to retain lubricants. Seals must be capable of withstanding the conditions of the application, including high loads, vibrations, and potential exposure to harsh environments.
- Efficiency: Although heavy-duty applications prioritize load capacity, achieving acceptable levels of efficiency is still important to minimize energy losses and heat generation. Proper gear tooth design and high-quality manufacturing contribute to better efficiency.
- Structural Integrity: The gearbox housing and components must be designed with structural integrity in mind. Rigidity and robustness are required to prevent distortion or failure of components under heavy loads.
- Reliability and Serviceability: Heavy-duty gearboxes should be designed with reliability and ease of maintenance in mind. Access to critical components, such as gears and bearings, for inspection and replacement is important to minimize downtime.
Conclusion: Designing helical gearboxes for heavy-duty applications involves a comprehensive approach that addresses load capacity, material selection, gear tooth design, lubrication, heat dissipation, sealing, efficiency, structural integrity, and serviceability. By carefully considering these factors, engineers can create gearboxes that deliver exceptional performance and longevity in demanding industrial settings.
Noise and Vibration Levels in Helical Gearboxes
Helical gearboxes are known for their relatively low noise and vibration levels compared to some other types of gears. However, there are still certain factors that can influence the noise and vibration levels in helical gear systems:
- Helix Angle: The helix angle of helical gears helps to distribute the load over multiple teeth, reducing impact forces and resulting in smoother meshing. This contributes to lower noise and vibration levels.
- Precision Manufacturing: High-precision manufacturing processes can ensure better gear tooth geometry and minimize irregularities that could lead to noise and vibration.
- Lubrication: Proper lubrication is crucial for reducing friction and damping vibrations between gear teeth. Insufficient or improper lubrication can lead to increased noise levels.
- Alignment: Proper alignment of gears is essential to minimize misalignment-induced noise and vibration. Misalignment can cause uneven tooth contact and lead to increased noise and vibration.
- Load Distribution: Helical gears distribute loads over multiple teeth, which helps in reducing localized stresses and vibrations that could cause noise.
- Material Quality: High-quality materials with good damping properties can help absorb vibrations and reduce noise transmission.
- Operating Conditions: Factors such as operating speed, load, temperature, and gear backlash can influence noise and vibration levels.
Overall, helical gearboxes are designed to provide smoother and quieter operation compared to other gear types. However, the noise and vibration levels can still vary based on design, manufacturing quality, and operational factors. Engineers can optimize gear design and operating conditions to achieve the desired noise and vibration characteristics for specific applications.
editor by CX 2024-03-12