China manufacturer Fk330b Gearbox Suitable for 7 Cbm Mixer Truck automatic gearbox

Product Description


FK730B Gearbox Suitable for 12 cbm mixer nbsp truck with Low Price

Product Description

 Reducers are generally used for low-speed and high-torque transmission equipment. The power of an electric motor, internal combustion engine or other high-speed operation is achieved through the gear with a small number of teeth on the input shaft of the reducer and the large gear on the output shaft to achieve the purpose of deceleration. Ordinary The reducer will also have several pairs of gears with the same principle to achieve the ideal reduction effect. The ratio of the number of teeth of the large and small gears is the transmission ratio.
There are many types of reducers, which can be divided into gear reducers, worm reducers and planetary gear reducers according to the transmission type.
The main features of planetary gear reducer are small size, large load-bearing capacity and stable operation.
The main characteristics of planetary gear transmission are small size, large load-bearing capacity, and stable operation; however, the structure of high-power and high-speed planetary gear transmission is complex and requires high manufacturing precision;
Some types of planetary gear transmission are highly efficient, but have small transmission ratios;
For other types, the transmission ratio can be very large, but the efficiency is low. When they are used as reducers, their efficiency decreases as the transmission ratio increases;When used as a speed increaser, self-locking may occur.

Product Parameters


FK130B FK230B FK270B FK330B FK430B FK530B FK730B FK830B FK930B
Mixer Volume (cbm) 3-5 4-6 6-7 7-8 9-10 10-12 12-14 15-16 17-20
Output Torque (Nm) 30000 36000 42000 48000 54000 70000 75000 85000 95000
Reduction ration 103 103 128.5 133.7 135.5 135.5 144.3 141.3 141.3
Drum angle (°) 15 15 15 15 15 15 13 12 10
Input rotation 2500 2500 2500 2500 2500 2500 2500 2500 2500
Radial load (kN) 70 72 100 130 160 170 190 235 275
Axial load (kN) 20 22 28 36 45 50 60 70 90
Weight (kg) 160 162 175 185 325 330 340 405 415
Lubricating oil (L) 5.5 7.0 7.0 7.5 11.5 11.5 11.5 13.5 15.5
Swing angle of Flange plate ±6 ±6 ±6 ±6 ±6 ±6 ±6 ±6 ±6
Model of Gear oil SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5 SAE 85W-90/API GL4 GL5
Connection port of Water pump NO NO NO NO NO NO NO NO NO
Connection flange of Hydraulic motor SAE C
16/32 Z21
16/32 Z21
16/32 Z21
16/32 Z21
16/32 Z21
16/32 Z21
16/32 Z21
16/32 Z21
16/32 Z21





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Application: Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Installation: Horizontal Type


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planetary gearbox

Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes

Coaxial and parallel shaft arrangements refer to the orientation of the input and output shafts in a planetary gearbox:

  • Coaxial Shaft Arrangement: In this arrangement, the input and output shafts are aligned along the same axis, with one shaft passing through the center of the other. This design results in a compact and space-efficient gearbox, making it suitable for applications with limited space. Coaxial planetary gearboxes are commonly used in scenarios where the gearbox needs to be integrated into a compact housing or enclosure.
  • Parallel Shaft Arrangement: In a parallel shaft arrangement, the input and output shafts are positioned parallel to each other but not on the same axis. Instead, they are offset from each other. This configuration allows for greater flexibility in designing the layout of the gearbox and the surrounding machinery. Parallel shaft planetary gearboxes are often used in applications where the spatial arrangement requires the input and output shafts to be positioned in different locations.

The choice between a coaxial and parallel shaft arrangement depends on factors such as available space, mechanical requirements, and the desired layout of the overall system. Coaxial arrangements are advantageous when space is limited, while parallel arrangements offer more design flexibility for accommodating various spatial constraints.

planetary gearbox

Enhancing Wind Turbine System Performance with Planetary Gearboxes

Planetary gearboxes play a crucial role in enhancing the performance and efficiency of wind turbine systems. Here’s how they contribute:

1. Speed Conversion: Wind turbines operate optimally at specific rotational speeds to generate electricity efficiently. Planetary gearboxes allow for speed conversion between the low rotational speed of the wind turbine rotor and the higher speed required by the generator. This speed adaptation ensures the generator operates at its peak efficiency, resulting in maximum power generation.

2. Torque Amplification: Wind turbine blades may experience varying wind speeds, which result in fluctuating torque loads. Planetary gearboxes can amplify the torque generated by the rotor blades before transmitting it to the generator. This torque multiplication helps maintain stable generator operation even during wind speed variations, improving overall energy production.

3. Compact Design: Wind turbines are often installed in locations with limited space, such as offshore platforms or densely populated areas. Planetary gearboxes offer a compact design, allowing for efficient power transmission within a small footprint. This compactness is vital for accommodating gearboxes in the limited nacelle space of the wind turbine.

4. Load Distribution: Wind turbines are subjected to varying wind conditions, including gusts and turbulence. Planetary gearboxes distribute the load evenly among multiple planet gears, reducing stress and wear on individual components. This balanced load distribution improves gearbox durability and reliability.

5. Efficiency Optimization: Planetary gearboxes are known for their high efficiency due to their parallel axis arrangement and multiple gear stages. The efficient power transmission minimizes energy losses within the gearbox, resulting in more power being converted from wind energy to electricity.

6. Maintenance and Reliability: The robust construction of planetary gearboxes contributes to their durability and longevity. Wind turbines often operate in challenging environments, and the reliability of the gearbox is crucial for minimizing maintenance and downtime. Planetary gearboxes’ low maintenance requirements and ability to handle varying loads contribute to the overall reliability of wind turbine systems.

7. Variable Speed Control: Some wind turbines use variable-speed operation to optimize power generation across a range of wind speeds. Planetary gearboxes can facilitate variable speed control by adjusting the gear ratio to match the wind conditions. This flexibility improves energy capture and reduces stress on turbine components.

8. Adaptation to Turbine Size: Planetary gearboxes are available in various sizes and gear ratios, making them adaptable to different turbine sizes and power outputs. This versatility allows wind turbine manufacturers to select gearboxes that align with specific project requirements.

Overall, planetary gearboxes play a pivotal role in optimizing the performance, efficiency, and reliability of wind turbine systems. Their ability to convert speed, amplify torque, and distribute loads makes them a key component in harnessing wind energy for clean and sustainable electricity generation.

planetary gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

  • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
  • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
  • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
  • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
  • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

China manufacturer Fk330b Gearbox Suitable for 7 Cbm Mixer Truck   automatic gearbox	China manufacturer Fk330b Gearbox Suitable for 7 Cbm Mixer Truck   automatic gearbox
editor by CX 2024-05-02