Descripción del Producto
Descripción del Producto
-K Series Helical Bevel Gearbox
K series gear reducer, manufactured according to international technical requirements, has a high scientific and technological content; Space saving, reliable and durable, high overload capacity, power up to 132KW; Low energy consumption, superior performance, reducer efficiency up to 95%
It is designed and manufactured on the basis of module combination system. There are a lot of motor combinations, installation forms and structural schemes. The transmission ratio is classified carefully to meet different operating conditions and realize electromechanical integration.
High transmission efficiency, low energy consumption and superior performance.
Reinforced high rigid cast iron box; The hardened gear is made of high-quality alloy steel. Its surface is carburized, quenched and hardened, and the gear is finely ground. It features stable transmission, low noise, large bearing capacity, low temperature rise, and long service life. Performance and characteristics:
1. The gear is carburized and quenched with high-quality alloy, the hardness of the tooth surface is up to 60 ± 2hrc, and the grinding accuracy of the tooth surface is up to 5-6
2. The computer modification technology is used to pre modify the gear, which greatly improves the bearing capacity of the reducer
3. Complete modular structure design is adopted from the box to the internal gear, which is suitable for large-scale production and flexible selection
4. The standard reducer models are divided according to the form of decreasing torque. Compared with the traditional equal proportion division, they are more in line with customer requirements and avoid power waste
5. It is designed and manufactured by cad/cam to ensure the stability of quality
6. Multiple sealing structures are adopted to prevent oil leakage
7. Multi directional noise reduction measures to ensure the excellent low noise performance of the reducer
8. The installation mode of Liyi products is flexible, which makes it easy for customers to choose K57 reducer, K67 reducer, K77 reducer, K87 reducer, K97 reducer, KA87 reducer, KA97 reducer, KA107 reducer, KA127 reducer
Características del producto
1. Input mode: Coupled motor, belted motor, input shaft or connection flange.
2. Output: Right angle
3. Compact structure. Rigid tooth face. Carrying greater torque, high loading capacity.
4.High precision gear, ensuring the unit to operate stably, smooth transmission.
5. Low noise, long lifespan. Large overlap coefficient, abrasion resistant.
Parámetros del producto
Helical Bevel Gear Motor (K Type)
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Input Configurations |
Motor mounted | |
| IEC B5/B14 Motor Flange (AM Flange) | ||
| Servo Motor Flange (AQA Flange) | ||
| Shaft Input (AD connection) | ||
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Output Configurations |
CHINAMFG output shaft |
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CHINAMFG output shaft with flange |
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Hollow output shaft |
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Hollow output shaft with flange |
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Variants of the Helical Bevel Gear Unit Series K / KF / KA / KAF |
Foot- or flange-mounted |
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B5 or B14 flange-mounted |
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CHINAMFG shaft or hollow shaft |
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Hollow shaft with keyed connection, shrink disk, splined hollow shaft, or Torque Arm |
Technical Data:
| Material de vivienda | Cast iron/Ductile iron |
| Housing hardness | HBS190-240 |
| Material de engranajes | Acero aleado 20CrMnTi |
| Surface hardness of gears | HRC58°~62 ° |
| dureza del núcleo del engranaje | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Tratamiento térmico | tempering, cementiting, quenching, etc. |
| Eficiencia | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40°C |
| Temp. rise (Oil)(MAX) | 50°C |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, NSK. |
| Brand of oil seal | NAK — ZheJiang or other brands requeste |
Especificación
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Model |
Shaft Dia. mm |
Horizontal Center Height mm |
External Flange Dia. mm |
Fuerza |
Relación (i) |
Nominal Torque (Nm) |
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CHINAMFG Shaft |
Eje hueco |
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K/KF/KA/KAF37 |
ф25 |
ф30 |
100 |
160 |
0.12-2.2 |
8-102 |
180 |
|
K/KF/KA/KAF47 |
ф30 |
ф35 |
112 |
200 |
0.18-4 |
8-126 |
380 |
|
K/KF/KA/KAF57 |
ф35 |
ф40 |
132 |
250 |
0.25-5.5 |
8-143 |
580 |
|
K/KF/KA/KAF67 |
ф40 |
ф40 |
140 |
250 |
0.37-7.5 |
8-143 |
680 |
|
K/KF/KA/KAF77 |
ф50 |
ф50 |
180 |
300 |
0.75-11 |
8-175 |
1300 |
|
K/KF/KA/KAF87 |
ф60 |
ф60 |
212 |
350 |
1.5-18.5 |
8-197 |
2500 |
|
K/KF/KA/KAF97 |
ф70 |
ф70 |
265 |
450 |
2.2-30 |
8-197 |
3900 |
|
K/KF/KA/KAF107 |
ф90 |
ф90 |
315 |
450 |
4-45 |
8-197 |
6800 |
|
K/KF/KA/KAF127 |
ф110 |
ф100 |
375 |
550 |
7.5-90 |
8-197 |
11200 |
|
K/KF/KA/KAF157 |
ф120 |
ф120 |
450 |
660 |
11-110 |
8-198 |
11700 |
|
K/KF/KA/KAF167 |
ф160 |
ф135 |
500 |
– |
15-160 |
8-186 |
32000 |
|
K/KF/KA/KAF187 |
ф190 |
ф155 |
600 |
– |
18.5-200 |
8-186 |
50000 |
Our process of production
Our product line
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| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | 90 Degree |
| Layout: | Expansion |
| Gear Shape: | Bevel Gear |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 1000/Piece
1 Piece(Min.Order) | |
|---|

Common Applications of Bevel Gearboxes in Various Industries
Bevel gearboxes find widespread use across diverse industries due to their unique capabilities and advantages:
- Automotor: Bevel gearboxes are vital components in automotive differential systems, enabling smooth power distribution to the wheels and allowing for smooth turns and cornering.
- Aerospace: These gearboxes are employed in aircraft landing gear systems, helicopter rotor systems, and other applications requiring changes in rotational direction.
- Printing and Packaging: Bevel gearboxes are used in printing presses and packaging machinery to facilitate the transfer of motion between intersecting shafts.
- Construction: Construction equipment often relies on bevel gearboxes for steering mechanisms, making it possible to control the direction of heavy machinery.
- Industrial Machinery: Various industrial machines, such as woodworking equipment and conveyor systems, use bevel gearboxes for efficient power transmission around corners.
- Marine: Bevel gearboxes are utilized in marine propulsion systems and steering mechanisms for boats and ships.
- Energy and Power Generation: Wind turbines and hydroelectric generators benefit from bevel gearboxes to transmit motion between shafts at different angles.
The adaptability of bevel gearboxes to change motion direction while transmitting power efficiently makes them a go-to choice in industries where such capabilities are essential for optimal performance.

Proper Installation and Alignment of Bevel Gearboxes
Installing and aligning a bevel gearbox correctly is essential to ensure its optimal performance and longevity. Here are the steps typically involved in the process:
- Preparation: Before installation, thoroughly clean the mounting surfaces of both the gearbox and the driven equipment to ensure proper contact. Check that all components are in good condition and free from damage.
- Positioning: Carefully position the gearbox and the driven equipment according to the manufacturer’s specifications and the intended orientation of the bevel gears.
- Alignment: Use precision alignment tools, such as dial indicators or laser alignment systems, to ensure accurate alignment of the bevel gears. The goal is to achieve proper concentricity and parallelism between the input and output shafts of the gearbox.
- Bolt and Fasten: Securely bolt and fasten the gearbox to the mounting surface. Use appropriate torque settings as recommended by the manufacturer to ensure proper clamping force without overloading the fasteners.
- Lubrication: Apply the recommended lubricant to the bevel gears and other relevant components according to the manufacturer’s guidelines. Proper lubrication is crucial for reducing friction and wear during operation.
- Testing: After installation, perform a thorough functional test of the bevel gearbox. Check for any abnormal noise, vibration, or overheating during operation. Ensure that the gearbox operates smoothly and efficiently under different load conditions.
- Monitoring: Regularly monitor the performance of the bevel gearbox through routine inspections and maintenance. Keep an eye out for any signs of misalignment, wear, or other issues that may affect performance.
It’s important to follow the manufacturer’s installation and alignment guidelines closely, as proper installation practices contribute to the reliable and efficient operation of the bevel gearbox.

Primary Applications of Bevel Gearboxes in Different Industries
Bevel gearboxes find widespread use across various industries due to their ability to change the direction of rotational motion and transmit torque efficiently. Some of the primary applications of bevel gearboxes in different industries include:
- Automotive Industry: Bevel gearboxes are commonly used in automotive differentials to distribute torque between the wheels and allow for smooth cornering. They also play a crucial role in transferring power between the engine and the wheels.
- Industrial Manufacturing: Bevel gearboxes are utilized in machine tools, such as milling machines and lathes, to transmit power and motion between different components. They are also found in conveyor systems and material handling equipment.
- Construction and Heavy Equipment: Bevel gearboxes are integrated into construction equipment like cranes, bulldozers, and excavators to change the direction of motion and transfer torque for various operations.
- Marine Industry: Bevel gearboxes are used in marine applications, such as ship propulsion systems and steering mechanisms, to redirect power and motion efficiently.
- Power Generation: Bevel gearboxes are employed in power plants to transmit rotational motion and torque between different components of generators and turbines.
- Aerospace Industry: Bevel gearboxes are used in aerospace applications for functions like adjusting the pitch of aircraft propellers and controlling the movement of landing gear.
- Mining and Quarrying: Bevel gearboxes are used in mining machinery to transfer power and torque to conveyor belts, crushers, and other equipment.
- Agricultural Machinery: Bevel gearboxes are found in agricultural equipment like tractors and harvesters to drive different components and attachments.
The versatile nature of bevel gearboxes makes them suitable for a wide range of industries where efficient torque transmission and directional changes are essential for optimal operation.


editor by CX 2024-04-11