gear processing

When calculating the meshing stiffness of helical gear by slicing method, because the tooth surface of helical gear is helical,

With the rapid development of wind power technology in recent years, improving the working performance of wind turbine is gradually

In order to analyze the influence of rolling process parameters on rolling process, orthogonal test method was used to analyze

The rolling process is divided into four stages: initial feeding stage, gear dividing stage, continuous feeding rolling stage and shaping

According to the characteristics of roll forming process, the finite element analysis model is established, and the process simulation parameters

Fig. 1 shows the experimental vibration acceleration signals of healthy gear and pitting gear. It can be seen from the

In order to further evaluate the influence of gear pitting failure on the dynamic response of gear system, the meshing

For the established dynamic model of gear system, the influence of sliding friction on tooth surface is considered in the

Through the dynamic signal analysis system, the vibration characteristics of the gear system are tested, and the vibration states of

In this paper, the parametric vibration without backlash and the nonlinear vibration with backlash are studied respectively. The transmission system

According to the experiment, the system load is set at 5N.m, the input speed is 1120 r/min, 840 r/min, the

According to the test in experiment 2, the speed of three-phase variable frequency speed motor is set at 560 r/min

When the input speed is 560 R / min, the theoretical frequency component of gear vibration response is calculated by

The specific implementation process of vibration experiment is as follows: (1) Make preparations before the formal experiment. First, check that

The influence of different gear parameters on the vibration characteristics of the reducer variable speed integrated gear and the sensitivity

This paper mainly analyzes the case of dynamic response model simulation 3. In this case, the stiffness excitation and friction

In the analysis methods of gear system dynamic response, time domain signal analysis method is the direct means to study

In order to study the influence of time-varying meshing stiffness and sliding friction force on the dynamic response of gear

Gear system dynamics is a discipline to study the dynamic behavior of gear system in the process of transmitting motion

Non-metallic inclusions in gear materials are rated according to the national standard.The non-etched microstructure of the metallographic wear surface of

Robustness is also known as robustness. For gear modification, it is to ensure that the optimal modification scheme has stable

Electron spectroscopy is a common method for analyzing surface components of materials.The root surface near the fracture source and the

For the set optimization objective, that is, the minimum peak peak te optimization of transmission error, it is not known

In the development of planetary gear drive, it is found that there is obvious noise in the bench test of

The fracture specimens were cut at the gear break and cleaned several times, then the fracture morphology was analyzed.The micro-morphology

The maximum dynamic meshing force and the dynamic load coefficient of the loaded gear are analyzed respectively. They can provide

1) Decoding According to the encoding mode, the chromosome bit string is decoded to obtain the shape modification quantity is,

① Gene coding of modification parameters Four modification parameters of driving gear are defined as tooth height deflection (is δ),

Rockwell hardness tests were carried out on the surface and center of the intermediate shaft sun wheel at different points.

(1) Comparison between simulation and experiment Figure 1 compares the acceleration simulation and experimental results of pinion end with obvious

First, the differences of gear dynamic characteristics with different friction models are discussed.Figures 1 and 2 show the time and