News

Taking the hypoid gear of the drive axle as the research object, the mechanism of fatigue and noise generation of

In order to analyze the hypoid gear alignment, an accurate geometric model must be established to lay a foundation for

The noise prediction model of Hypoid Gear Meshing Based on drive axle is established. Firstly, the classical 14 DOF lumped

Hypoid gears are widely used in automobile, aircraft, ship, machinery, high-precision processing equipment and other fields. Its transmission has the

The time-varying transmission error and meshing stiffness of the hypoid gear of the drive axle are directly related to the

With the development of numerical calculation methods, the finite element method (FEM) has been widely used in engineering analysis. It

The bending fatigue strength and time-varying meshing characteristics of hypoid gears of drive axle are studied. Because of the complex

The structure of the rear axle is shown in Fig. 1. The vibration and noise are always associated with each

In the 1970s, China began to study the technology related to hypoid gears. It mainly focused on “Gleason gear”, listed

When the hypoid gear of the main reducer of the drive axle works in practice, the bending stress of the

As a key assembly component in the automobile transmission system, the drive axle plays a role in reducing speed and

The main contents are as follows: a finite element based static transmission error calculation model is briefly described, and the

As early as 1820, many mathematicians have put forward the concept of hypoid gear. Its essence is a space geometry

The automobile has a development history of more than 100 years. With the continuous development and progress of technology, various

In the radiated noise of SUV, bus, light truck and other power train, the drive axle is one of the

For the hypoid gear in the automobile drive axle, the previous research mainly focused on simulating the machining process of

When the rigidity of differential case, support bearing and support housing of drive axle hypoid gear is relatively large, their

The time-varying transmission error te (transmission error) and mesh stiffness change are the main excitation sources in the dynamic meshing

The finite element method is an important method to predict the bending stress of the hypoid gear tooth root of

The bending stress of the tooth root of the hypoid gear based on the integral drive axle model is predicted.

Drive axle vibration often produces annoying sound, which affects the transmission efficiency of the drive axle and reduces the fatigue

In China, the research on the fatigue life of spur gears is mainly based on the method of stress life

The design of automobile drive axle is the same as the design of other parts of transmission system. It needs

The bending fatigue of hypoid gear root of drive axle is affected by many parameters, including the geometry of hypoid

In HyperMesh, the geometric entity of hypoid gear is meshed. The curvature of hypoid gear changes greatly, especially the hypoid

Figure (a) shows gleason#116 hypoid gear processing machine tool. The machine tool obtains the convex or concave surface of the

Aiming at the problem that it is difficult to obtain the tooth surface coordinates of HFT hypoid gears, this chapter