Product Description
Product Description
| Ratio  : | 3:1—10000:1 | Backlash : | up to 3 arcmin |
| Output : | up to 6000N.m | Frame   : | AB/ABR042-285 |
Output : Inclined Tooth Output Shaft
        Double support of deep groove ball bearing
ABR core feature
Structural feature
Reducer output planetary frame adopts integrated nut to eliminate axial clearance design, the front and back tapered roller bearing large span distribution and the whole box, forming a super integrated structure, to ensure the improvement of torsional rigidity and has a super strong radial bearing capacity and axial bearing capacity, using a processing process to complete, to ensure a very high coaxiality.
Gear ring of reducer adopts integral structure design.
Reducer gear ring, planetary frame, input shaft are made of 40Cr high-quality structural steel, hot forging process, so as to obtain higher material density, than the use of casting box, round steel, with higher strength, rigidity, toughness.
Gear characteristics
Real hard tooth surface helical gear, gear material is 20CrMnTi high quality alloy steel, after carburizing – grinding process processing, hardness up to HRC62, compared with ordinary steel 40Cr, 38CrMnTi surface nitriding treatment of gear has higher hardness, rigidity, toughness, wear resistance. The design and analysis technology of 3DSimulation is adopted to modify the tooth shape, tooth direction and follow the trimming, respectively, in order to reduce the noise of gear meshing and increase the service life of the gear train.
Application characteristics
Long span tapered roller bearing arrangement output integral planetary architecture, so that the product has strong radial bearing capacity and excellent axial bearing capacity, and has high rigidity. High precision applications, frequent start-stop and load changes are outstanding.
Installation Instructions
Precision planetary reducer – about installation
| Application: | Motor, Electric Cars, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-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.
Can Helical Gearboxes Be Retrofitted into Existing Machinery Designs?
Yes, helical gearboxes can often be retrofitted into existing machinery designs, providing an opportunity to upgrade the performance, efficiency, and reliability of older equipment. Here are the key points to consider when retrofitting helical gearboxes:
1. Compatibility: Before proceeding with a retrofit, it’s essential to ensure that the new helical gearbox is compatible with the existing machinery in terms of size, mounting, and shaft connections. Proper measurements and analysis are necessary to avoid any misalignment or fitment issues.
2. Space Considerations: Helical gearboxes may have a different physical profile compared to the original gearboxes. Engineers need to assess the available space in the machinery and confirm that the new gearbox will fit without major modifications.
3. Shaft Alignment: Proper shaft alignment is crucial to ensure smooth and efficient operation. During the retrofit, it’s important to align the new helical gearbox with other components in the system to prevent premature wear, noise, and vibration.
4. Power and Torque Ratings: The power and torque ratings of the helical gearbox should match or exceed the requirements of the machinery. This ensures that the new gearbox can handle the loads and stresses that the machinery may encounter.
5. Performance Improvements: Retrofitting with helical gearboxes can lead to improved efficiency, reduced noise, and smoother operation. These benefits can positively impact the overall performance and lifespan of the machinery.
6. Engineering Expertise: Retrofitting involves careful planning, engineering analysis, and implementation. Working with experienced engineers or gearbox specialists is advisable to ensure a successful retrofit without compromising the integrity of the machinery.
7. Cost-Benefit Analysis: Assessing the costs of the retrofit, including the cost of the new gearbox, installation, downtime, and potential modifications, is essential. Comparing these costs to the anticipated benefits of improved performance and efficiency will help make an informed decision.
8. Maintenance Considerations: Retrofitting may also impact maintenance practices. It’s important to understand any changes in lubrication requirements, inspection intervals, and servicing needs that come with the new gearbox.
Conclusion: Retrofitting helical gearboxes into existing machinery designs can be a cost-effective way to enhance the performance and extend the lifespan of equipment. However, careful planning, engineering analysis, and professional expertise are crucial to ensure a successful retrofit that delivers the desired improvements without causing unforeseen issues.
Limitations and Disadvantages of Helical Gear Systems
While helical gear systems offer numerous advantages, they also come with certain limitations and disadvantages:
- Axial Thrust: Helical gears generate axial thrust due to the helix angle of the teeth. This thrust can cause additional load on bearings and may require additional measures to counteract.
- Complex Manufacturing: The manufacturing process for helical gears is more complex than that of straight-toothed gears, which can lead to higher production costs.
- Axial Length: Helical gears require more axial space compared to spur gears with the same gear ratio. This can be a limitation in applications with space constraints.
- Sliding Contact: Helical gears have sliding contact between their teeth, which can result in higher friction and more heat generation compared to rolling contact gears.
- Efficiency: Although helical gears are generally efficient, their efficiency can be slightly lower than that of some other gear types, especially at high speeds.
- Complexity in Gearbox Design: The inclination of helical gear teeth introduces additional complexity in gearbox design and alignment.
- Reverse Thrust: In some cases, reverse thrust can occur when helical gears are subjected to high axial loads, leading to undesirable effects.
It’s important to consider these limitations and disadvantages when selecting gear systems for specific applications. Despite these challenges, helical gears remain a popular choice in various industries due to their benefits and overall performance characteristics.
editor by CX 2023-09-18