helical gear

The calculation program of friction force and friction torque is compiled by MATLAB software. The total comprehensive contact line length

According to the previous analysis, the friction perpendicular to the meshing line will cause the friction torque around the rotation

The friction force on the contact line of the helical gear. When the helical gear meshes through the node P,

The contact line of helical gear is the intersection of the meshing tooth surface and the meshing plane of the

The dynamic excitation of helical gear system includes internal excitation and external excitation. The internal excitation of helical gear pair

In order to study the bending stress of helical gear tooth root, the test will be measured under three working

MCL ⁃ 1A helical gear wear testing machine is used for the experiment, which is driven by the spindle motor,

After the transmission test bench is assembled, the contact spot detection experiment of helical gear is carried out below. Because

Before the solid modeling of helical gear in Pro/E software environment, firstly, the coordinates of discrete data points calculated in

Due to the complexity of face gear tooth surface, it is very difficult to create a complete helical gear model

When the helical gear meshes with the tool, the speed of the former at the contact point is zero. At

When deriving the helical gear equation, the main parameters of the tool need to be determined are: normal surface modulus:

The helical gear is divided into m slice helical gears along the tooth width direction AA ‘, the M slice

Since the theoretical model does not carry out finite element modeling on the box, and the effective value of vibration

Take the modification amount of helical gear profile CA = 30 μ m. The helical gear profile modification length La

Zhang Liang et al. Proposed a calculation method for the position and length of helical gear meshing line. Because this

The helical gear tooth direction modification length Lc = 10mm, and the helical gear tooth direction modification amount CC is

On the basis of considering the nonlinear coupling excitation of stiffness and error, without considering the tooth direction modification of

The dynamic equation of helical gear system shown in the following formula is established by finite element method: Where m

Figure 1 shows that the tooth profile modification length Lc = 10mm and the tooth profile modification amount CC are

In order to study the influence of different tooth profile modification amount and different modification length on the stiffness and

According to the interference diagram of hobbing helical gear and the change of width parameters of helical gear and length

（1） Undercutting theory of helical gears When the face gear engages with the tool, the speed of the former at

According to Newton’s second law of motion and D’Alembert’s principle, an 8-DOF torsional vibration and translational vibration coupling dynamic model

The above single pair of tooth stiffness algorithm is used to calculate the comprehensive meshing stiffness of helical gears with