helical gear

Figure 1 shows the influence curve of friction on the second-order superharmonic resonance. With the increase of friction, the vibration […]

As shown in the figure, the dynamic contact equivalent stress of helical gear and the history curve changing with time

Nephogram of contact pressure during helical gear meshing: It can be seen from Figure 1 that the contact pressure is

Helix angle is an important structural parameter of helical gear, and it is also the main factor causing time-varying contact

The simulation process of helical gear dynamic contact has been introduced in detail before. The mesh division is also divided

The dynamic characteristics of the main influencing factors of helical gear vibration and noise are studied. Considering the dynamic characteristics

Helical gear accuracy mainly controls the transmission accuracy between helical gears during operation, such as transmission stability, instantaneous speed fluctuation,

In fact, the helical gear is installed on the support shaft. When the gear teeth transmit power through the support

The provided helical gear parameters are substituted into the algorithm in this paper. The comparison of calculation results is shown

(1) Equivalent stress nephogram of helical gear at 0.075s, as shown in Figure 1. (2) The equivalent stress cloud of

The basic parameters that determine the geometry of helical gears include the number of teeth Z and the normal pressure

The friction coefficient between two meshing tooth surfaces has an important influence on the magnitude of tooth surface friction, so

The influence curve of axial coincidence degree on contact line length calculated by this algorithm is shown in Figure 1.

For helical gears, the whole coincidence degree is greater than 2, which means that at least 2 tooth pairs are

During the operation of the machine, it is subjected to external load or self load. Some of these loads are

Both helical gear 1 and helical gear 2 are linear elastic materials. The young’s modulus of helical gear 1 is

The tooth trend of the involute helical gear is the helix angle, and the normal tooth profile is in the

Uneven load distribution of helical gear is a common engineering problem, which should be considered as a key issue in

According to the set boundary conditions, the helical gear is solved and analyzed, and the 20th order modal value of

The geometric model of helical gear is established and assembled by using pro/e software. Here, it is agreed that the

Figure 1-2 shows the maximum equivalent stress nephogram of the main and driven helical gears, and figure 3-13 shows the

(1) Set contact pairs For the convenience of analysis and calculation, the helical gear profile is selected through the namedselection

1. Establishment of dynamic contact model and meshing The solid model is imported into HyperMesh for meshing. The mesh model

Due to the large amount of three-dimensional finite element simulation calculation of helical gear, considering the factors such as computer

The meshing process of helical gear is affected not only by the distribution of tooth profile load, but also by

According to the structural parameters of the fourth gear helical gear pair of a heavy truck transmission studied, the dynamic