Mining machinery, transportation machinery and other low-speed heavy-duty gear, require the use of high reliability carburized hardened gear after grinding. […]
In order to improve the load-bearing capacity and service life of low-speed, heavy-duty, large modulus, multi tooth number and large
Due to the requirements of structure and economy, the planetary carrier must be designed with the structure of thin left
In the early stage of new product development, there must be sufficient simulation analysis and calculation and a large number
The main components of planetary transmission include sun gear, planetary gear, ring gear, planetary carrier, pin shaft and bearing, which
Asteroid gear has compact structure and high reliability. It is usually used for reducing transmission in industrial fields (rotary, walking,
Gear transmission is a device that transmits motion and power by gear pair. It is the most widely used mechanical
When the transmission gear has cracks, broken teeth and other faults, it will produce impact characteristics. Because of the impact
As one of the key assemblies of armored vehicle transmission system, the gear failure of transmission often leads to the
Through the gear contact fatigue test-bed, the evolution process of gear fatigue pitting phenomenon and the vibration response characteristics of
The finite element software is used to simulate the helical gear with three-dimensional cracks, and the values of stress intensity
Using coating technology In the process of construction machinery gear processing, coating technology has a very important application, and 70%
Through the gear contact fatigue test-bed, the evolution process of gear fatigue pitting phenomenon and the vibration response characteristics of
In the process of gear processing of construction machinery, another important link is gear grinding. In the process of gear
In the process of efficient cutting engineering gear processing, an important solution to solve the low efficiency of automatic production
The concept of efficient machining has been widely used in China’s current automotive industry. However, in the aspect of engineering
Gear mechanism is one of the most widely used transmission mechanism and speed change mechanism in mechanical industry. With the
1.Wrong number of gears The number of gears on the outer edge of the gear is called the number of
The overall structure of gear is mainly composed of tooth surface, tooth circle and tooth. According to different parameters and
1.Involute machining technology Involute gear manufacturing is a common manufacturing method for high-precision gear processing in China. Therefore, the relevant
In the machining process, each axis of C6136A lathe in the working process, due to the different stress conditions, the
(1) Control of noise caused by flow pulsation. Through the above analysis of the causes of noise, we can see
(1) Pump flow pulsation causes noise. In the process of operation, the pump is faced with the noise problem caused
With the rapid development of industrial society, the application scope of internal gear pump is more and more wide, and
40CrMnMo is selected as the solar gear and planetary gear. The material is assumed to be isotropic. Next, constraints are
For heavy trucks, mining vehicles and off-road vehicles, large transmission ratio is needed, so wheel reducers are needed as the
In the case of reducing the hole diameter properly, modifying the size of a hole alone can not completely eliminate
According to the real structure and the above model simplification method, the author establishes the three-dimensional solid models of internal
In fact, there are many parts in the transmission gear train of planetary gear output type planetary gear reducer, the
For planetary gear output type planetary gear reducer, during its operation, the planetary gear not only makes translation around the
Star gear transmission is a kind of transmission system with few internal teeth difference and internal translation. Compared with other
The lumped parameter method is used to establish the “translation torsion” coupling dynamic model of the two-stage speed increasing planetary
Compared with single-stage transmission, multi-stage planetary gear transmission has higher efficiency, but its structure is more complex. Multi stage planetary
The modal module is used to simulate and test the transmission shaft structure. As shown in the figure, when using
The gear transmission structure composed of four stage reduction system is selected as the test object, and the gear transmission
At this stage, the research on gear transmission structure is mainly concentrated in the field of vehicle transmission, reducer and
Gear as the transmission device of mechanical equipment, its health has a great impact on the stability and life of
The pre-processing of finite element analysis of variable hyperbolic arc gear includes: the selection of element, the setting of analysis
In the finite element calculation, the choice of mesh type is very important to the accuracy of the results. According
The rough appearance of the tooth surface is random, and the geometric characteristics of the appearance are related to the
The interface characteristics of gear pair refer to the complex composition combination properties formed by the micro geometric characteristics, lubrication
In the process of gear meshing, the periodic changes of the number of meshing teeth and meshing position lead to
Helical gear is a type of gear used in a variety of applications where smooth operation, high speed, and/or heavy
By using romax designer software, the optimal gear modification parameters are put into the gear modification module, and the simulation
The static stress analysis of gear can check the contact and bending strength of gear, and analyze the stress, damage
After the research model of transmission gear transmission mechanism is established, the software is used to set the operating conditions
The LSTM network model is established by selecting appropriate parameters to predict the oil temperature of gearbox. In order to
With the “innovation, coordination, green, open, sharing” five development concepts and development needs, industrial equipment demand of high quality quantification,
As a new machine learning method, deep learning method has been widely used in image processing, speech recognition, brain computer
Chen et al. deduced and studied the influence of the meshing stiffness of the internal meshing gear pair and the
In recent years, deep learning has been widely concerned. Deep learning constructs a neural network model with many hidden layers
(1) Based on the finite element method, the meshing stiffness finite element calculation model and meshing stiffness calculation method of
In the process of gear meshing, the periodic changes of the number of meshing teeth and meshing position lead to
With the development of national industrial equipment and the urgent need for industrial products to be improved, the bearing capacity,
Based on the single degree of freedom torsion model, Zajkek et al. used parabolic functions to describe the engagement stiffness
Gear system dynamics is a complex multi-coupling dynamics system, which strictly follows the system input-carrier analysis-response output dynamic control response
The five development concepts of innovation, coordination, green, open and sharing are put forward, green production and green transformation are
In the process of tractor gear transmission, the transmission load is large, the running speed is low, and the transmission
In the design of American standard gears, steel, Grade2, hrc58-64 (AGMA), case carbonized steel and case hardened gear materials similar
The bending fatigue life of tractor gear is closely related to the selection of gear modulus, which can be selected
