What is a planetary gearbox?
A planetary gearbox is an ingeniously designed gearbox where both the input and output shafts are perfectly aligned. This type of gearbox is renowned for transferring maximum torque in the most efficient and compact form, also known as torque density.
Consider the bicycle's acceleration hub-a brilliant illustration of a planet-wheel mechanism. Ever marveled at the immense power and capabilities packed into such a compact space? In a three-speed hub, a single-stage planetary gear system is deployed, while a five-speed hub employs a two-stage system. Each planetary gear setup features a reduction state, direct coupling, and an acceleration mode for optimal performance.
Mathematically, the planetary gearbox offers flexibility with reduction ratios ranging from a minimum of 3:1 to a maximum of 10:1. Ratios below 3 result in an oversized sun gear compared to the planet gears, whereas a ratio greater than 10 leads to a diminutive sun wheel, reducing torque efficiency. These ratios are typically absolute, presenting as integer values.
While the exact inventor of the planetary gearbox remains unknown, it was functionally articulated by Leonardo da Vinci in 1490 and has been a cornerstone of mechanical innovation for 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 |
- The housing design adeptly supports parallel shaft configurations and horizontal mounting. This is further enhanced by a versatile component array that greatly augments the reducer's configurations, offering unparalleled adaptability.
- Crafted with a noise-reducing structure, extensive surface area, and a large fan, this design excels in temperature and noise management. The precision grinding of cylindrical and bevel gears guarantees steadfast stability and efficient power transmission.
- Input Mode: Provides options such as motor-connected flange and shaft input, tailored to meet your specific operational requirements.
- Output Mode: Select from a solid shaft with flat key, hollow shaft with flat key, hollow shaft with shrink disk, hollow or solid shaft with involute splines, or solid shaft with flange, allowing for a wide range of applications.
Mounting Mode: Available in foot-mounted, flange-mounted, swing base-mounted, and torque-arm-mounted configurations, ensuring maximum versatility and adaptability to fit diverse needs.
- The planetary gearbox series is distinguished by its versatility, offering sizes from 3 to 26, stages from 1 to 4, and ratios from 1.25 to 450. When integrated with the WR, S, and K series, the ratio potential significantly amplifies, ensuring superior performance.
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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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