gear transmission

In the process of transmission of motion and power, gear teeth will have bending deformation, shear deformation and other elastic

The acceleration of the box surface is an important parameter to excite the radiated noise of the surrounding air. Figure

① The precise dynamic model considering the friction of tooth surface is established, and the complex time-varying stiffness and the

Based on the actual engineering application, the dynamic characteristics of gear transmission system and the methods of vibration reduction and

The external excitation load of vehicle gear transmission system mainly includes engine input torque and load torque. The engine of

The dynamic bearing force is an important parameter in the dynamic response. The dynamic characteristics of the gear system are

Previous studies have shown that the sound pressure of air radiation generated by no-load knocking of gears is proportional to

The nonlinear time-varying model contains many nonlinear factors such as time-varying stiffness and clearance. Recently, with the development of nonlinear

In order to ensure the continuity of gear drive, the overlap degree of gears is generally greater than 1, which

In the linear time-invariant model of gear transmission system, all non-linear factors are neglected and the time-varying meshing stiffness is

Efficiency is a very important performance index for the transmission of power. Low transmission efficiency will not only result in

According to its main functions, gear transmission can be divided into motion transmission, power transmission, or both. The main function

The abstract diagram of the cogwheel split torque drive is shown in Figure 1. The transmission direction shown in Figure

According to the knock phenomenon of transmission gear, it is mainly divided into bench test and real vehicle test. In

With the all-round development of the mechanical industry, the requirements of the mechanical equipment for the transmission system are higher

The phenomenon of gear knocking in automobile transmission belongs to the NVH dynamics problem of transmission system. The research idea

Automobile transmission includes many pairs of helical gear pairs, multiple bearings and synchronizer assemblies, etc. when considering the spatial meshing

With the rapid development of the automobile industry, automobile users have higher and higher requirements for the comfort of automobile

At present, the transmission knocking noise is mainly solved in the following ways (see Table 2): from the aspect of

With the rapid development of the automobile industry, automobile users have higher and higher requirements for the comfort of automobile

In the shift process of the manual transmission, the performance required by the shift gears of different gears is not

With the development of automobile towards high performance, gear system should meet the requirements of high efficiency, high reliability, high

In general, mechanical system is composed of power system, transmission system and executive system, in which the power system provides

In the shift process of the manual transmission, the performance required by the shift gears of different gears is not

In order to ensure the stable and safe operation of coal mining machinery, the qualitative indexes in the life evaluation

Through the study of the forming process of involute spiral tooth surface, and the application of ANSYS parametric language to

In the gear transmission system which is the most prone to failure in coal mining machinery, the failure ratio of

The function of the gear transmission system of coal mine machinery is to transfer movement and power for the mining

All the models are developed and established on the basis of the concept of equivalent tooth mesh stiffness, which are

Before the s of the th century, gear dynamics was based on the theory of impact. People used meshing impact

Gear transmission is one of the most widely used mechanical transmission forms. It plays a very important role in machinery,