Scientific

1. Experimental methods and data collection A helical gear pitting experimental platform (Figure 1) corresponding to the proposed dynamic model

1. Dynamic simulation modeling of pitting helical gear pairs The pitting corrosion of helical gears generally occurs near the pitch

1. The influence of grid quantity distribution on the simulation accuracy of maximum tooth contact stress of helical gears under

1. Model of helical gears 1.1 Model of helical gear transmission system Parameters Driving gear parameter values Driven gear parameter

As one of the most widely used transmission forms in mechanical equipment, helical gear transmission has a significant impact on

1. Tooth contact analysis of helical gear pairs During the meshing process of the driving and driven gears, the two

1. Basic parameter settings for non circular helical gears The main parameters of the non circular helical gear driving wheel

1. Root stress analysis of transmission helical gears Record and organize the results obtained from finite element analysis. The root

1. Fatigue analysis software FE Safe Nowadays, the mainstream fatigue analysis software mainly includes the fatigue simulation software nCode produced

1. Finite element modeling of helical gears The results of transient dynamic finite element analysis indicate that the maximum bending

By studying the modified helical gears, it is found that selecting appropriate modification coefficients for the transmission helical gear pair

The composition of a certain type of subway vehicle is:+Tc-M-M-T-M-Tc+. Among them,+is a semi-automatic coupler, – is a semi permanent

1. Energy accumulation curve According to the first law of thermodynamics, the increment of internal energy per unit volume of

By increasing the installation center distance of the helical gear and introducing a fixed backlash value, the dynamic characteristics of

The variation of bending stress on the tooth root during traction of subway vehicles is significant, so establishing a widely

1. Determination of Special Operating Points for Exciter Helical Gear Transmission The exciter helical gear pair typically performs three types

1. Root cutting conditions The root cutting phenomenon of helical gear profile is generally caused by the appearance of singularities.

The tooth profile of non orthogonal helical gears is usually meshed through point contact, transmitting the transmission power of cross

ZHY Gear adopts the principle of a multi-body system and establishes its kinematic model using a CNC machine tool to

Aviation gear transmission is developing towards high speed and heavy load. As the core component of various power devices, the

Using the parameters of the helical gear calculation in Table 1, Hypermesh preprocessing was used to partition and obtain the

Helical gear systems often operate in complex environments such as high speeds, high temperatures, and harsh loads. In enclosed gearboxes,

Compared with spur gear transmission, helical gear transmission has the advantages of stronger load-bearing capacity and smoother transmission process, and

The transmission error and contact marks of helical gears can reflect the meshing performance of helical gear pairs. To investigate