What is a planetary gearbox?
A planetary gearbox is an engineering marvel where both the input and output shafts are perfectly aligned, making it the ideal solution for transferring maximum torque with minimal space usage, a concept known as torque density.
Consider the bicycle's acceleration hub as a quintessential example of the planet-wheel mechanism. Have you ever marveled at how such immense power and versatility are packed into a compact hub? A one-stage planetary gear system is utilized for a three-speed hub, while a two-stage system is deployed for a five-speed hub. Each planetary gear setup includes a reduction state, direct coupling, and an acceleration mode, making it a powerful force in such a small package.
Mathematically speaking, a planetary gearbox offers a reduction ratio ranging between 3:1 and 10:1. When the ratio dips below 3, the sun gear becomes disproportionately large compared to the planet gears. Conversely, a ratio exceeding 10 results in a sun wheel too small to maintain torque efficiency. Typically, these ratios are absolute integers, highlighting the precise engineering behind these gearboxes.
While the true inventor of the planetary gearbox remains unknown, Leonardo da Vinci provided the first functional description back in 1490, establishing a legacy of innovation that has been harnessed across centuries.
| Model |
2105 |
2205 |
2207 |
2209 |
2210 |
2211 |
2255D |
311R |
| Power |
18.5 |
30 |
18.5/22 |
30 |
37 |
55 |
55 |
55 |
| (KW) |
| Input Speed |
615 |
818 |
635/635 |
635 |
756 |
756 |
652 |
652 |
| (rpm) |
| Speed Ratio |
21.95 |
29.2 |
23.54/23.54 |
23.54 |
27 |
27 |
23.3 |
27 |
| Output Torque |
6310 |
10232 |
6550/7780 |
10600 |
12620 |
18760 |
18760 |
18760 |
| (N.M) |
| Max. Torque |
11400 |
18500 |
11000/13000 |
18000 |
22700 |
33800 |
33800 |
40000 |
| (N.M) |
| Weight |
141 |
180 |
138 |
132 |
205 |
220 |
303 |
352 |
| (KG) |
| Application |
1~1.25mm |
1.5mm |
1mm |
1.5mm |
2~2.5mm |
3mm |
3~3.5mm |
3~4.5mm |
- Our housing design is crafted for ease with parallel shaft modes and horizontal mounting, complete with a versatile component array to elevate reducer configurations. This provides unparalleled adaptability to meet a myriad of application needs.
- Designed with a structure that absorbs sound and maximizes surface area, alongside a sizeable fan, this gearbox excels in temperature management and noise reduction. Additionally, precision grinding of cylindrical and bevel gears ensures consistent stability and efficient power transfer.
- Input Mode: Tailor to your operational demands with options like motor-connected flange and shaft input.
- Output Mode: Opt for a solid shaft with flat key, a hollow shaft with flat key, a hollow shaft with shrink disk, hollow or solid shaft with involute splines, or a solid shaft with flange, providing the flexibility to match your specific requirements.
Mounting Mode: Choose from diverse styles such as foot-mounted, flange-mounted, swing base-mounted, and torque-arm-mounted, offering unmatched versatility and adaptability for your operations.
- The planetary gearbox series is a paragon of flexibility, offering sizes from 3 to 26, stages from 1 to 4, and ratios from 1.25 to 450. When combined with the WR, S, and K series, the ratio can be significantly expanded, effortlessly enhancing performance.
Maanshan Huafei Machinery Trading Co., Ltd: Pioneers in the machinery trade sector, we stand as a beacon of innovation with an unwavering dedication to delivering unparalleled quality and outstanding service. As an industry leader, we excel in producing Concrete Mixer Wear Parts and Twin Shaft Concrete Mixer Wear Parts. Our extensive range includes Central Mixing Shovels, ARM Assemblies, and more, integrating cutting-edge technology with deep industry expertise to meet diverse demands.
Explore our thoughtfully designed components such as Liners, Wear Plates, Mixing Arms, Blades, Paddles, Scrapers, Tiles, as well as Side & Floor Linings. Each part is meticulously engineered to ensure superior performance and longevity.
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| Packaging |
| Size |
800(L) * 800(W) * 800 (H) |
Packed Wear Parts to Delivery |
Transport of Large Trucks to The Seaport |
| Packaging Details |
The normal package is wooden box(Size: L*W*H). If container is too tight,we will use PE film for packing or pack it according to customers special request. |
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