hypoid gear

In order to facilitate the establishment of the real tooth surface model, the theoretical tooth surface model is established first. […]

In engineering application, due to machining error, installation error and support deformation, the meshing position of hypoid gear pair can

The mathematical model of hypoid gear with split cutter face rolling cutting method is established. The three-dimensional model of small

In the process of generating, the wheel blank and the forming wheel are hobbed to form a cycloid hypoid gear.

According to the cyclo palloid method, the gear is processed with a multi head cutter head. The cutter head adopts

Then, the contact analysis of the gear under loading is carried out. The resistance moment applied at the output end

According to the gear meshing stiffness calculation model, before calculating the gear meshing stiffness under loading, the transmission error of

The established three-dimensional model of hypoid gear is saved in *. STP format and imported into the software HyperMesh for

The previous gear meshing model is based on empirical design formula or gear geometric meshing analysis. With the improvement of

1. Effect of torque on coincidence degree Calculate the large wheel torque as 1000 n respectively · m、2 000 N

The meshing position, meshing force, action direction and meshing stiffness of hypoid gear all change with time period. In the

Relevant parameters of hypoid gear. It is defined that the axis of the small wheel is parallel to the x-axis

In the dynamic modeling and analysis of hypoid gear system, the meshing relationship of hypoid gear is treated as spring

1. Test purpose In order to more clearly understand the influence of the relative helix angle error of the driving

The hypoid gear transmission studied consists of a small hypoid gear and a large hypoid gear. Due to the complex

At 3 000 n · The equivalent time-varying meshing parameters of hypoid gear in one cycle are calculated according to

According to the established contact fatigue finite element simulation model of hypoid gear transmission system, the finite element simulation software

The FH hypoid gear is still used as an example, and the basic parameters of the gear used in the

According to the definition of tooth surface error in Chapter 4, it is used to represent the error between the

The position of the instantaneous center of motion in the inertial system can be kept unchanged and the transmission is

In order to obtain the ideal conjugate surface of the small wheel, according to the theory of the big wheel,

In addition to the change of cutter and cutter head parameters, the change of machine tool setting parameters will also

Preset transmission error curve The vibration and noise generated by gear meshing mainly come from the transmission error of gear,

The influence of five parameters of cutter and cutter head on the tooth surface is analyzed, including tooth profile angle,

90 points are selected to reflect the overall error of the tooth surface. 9 points are evenly distributed in the

According to the hypoid gear model, the sensitivity of tooth surface errors at different positions to various machining parameters is

As the tooth surface of FH hypoid gear is relatively complex, it is difficult to mesh directly on the tooth

According to Hertz contact theory, the elastic deformation of tooth surface increases with the increase of contact stress when the

The modeling method of FH hypoid gear is shown in Fig. 1 The two tooth surfaces are assembled in the

After meshing, the preprocessing file is imported into ABAQUS and set as follows: (1) Material definition: the material parameters of

The detailed steps of solving the elliptic boundary and contact line of the instantaneous contact between two tooth surfaces based

Face milling (FM) and face hobbing (FH) are widely used in machining bevel gears, hypoid gears and other complex curved

The imaginary profile wheel is composed of the path of the blade in the virtual machining process, and the number

It can be seen from the calculation model of gear mesh stiffness that before calculating the gear mesh stiffness under