helical gear

According to the meshing principle of helical gears, when a pair of helical gears enter into meshing and exit from

In order to qualitatively study the influence of meshing impact time on the vibration characteristics of helical gear transmission, the

In order to study the vibration characteristics of the system under separate excitation of meshing impact, the meshing impact curve

Input the obtained time-varying meshing stiffness curve into the dynamic equations, obtain the vibration response of single-stage helical gear transmission

The calculated vibration accelerations in all directions of the helical gear are combined into “relative vibration accelerations a in the

The optimal modification scheme of the addendum involute of the long tooth profile is the modification amount of the driving

The optimal modification scheme of the addendum arc of the long tooth profile is 5% of the modification amount of

The sliding coefficient is an important parameter to measure the relative sliding degree between the tooth surfaces of the meshing

In order to further reduce the transmission error of the helical gear pair, it is necessary to consider the composite

Figures 1, 2 and 3 respectively show the simultaneous tooth drum modification of wheel and pinion gears, the drum modification

(1) Influence of pinion tooth width on transmission error of helical gear Figure 1 shows the relationship curve between pinion

(1) Influence of gear width on transmission error of helical gear Figure 1 shows the curve of the relationship between

(1) Influence of helix angle on transmission error of helical gears Figure 1 shows the relationship curve between the helix

1. Meshing interference inspection KISSsoft software can mark the contact point of the tooth surface of two gears in the

1. Helical gear material selection Helical gear materials can be roughly divided into four categories, such as Q235, Q275, 45

In order to study the influence of temperature on the contact force of helical gear tooth surface, the tooth surface

The friction coefficient of tooth surface in helical gear meshing is f ≤ 0 2. Combined with the relevant research

Based on the elastic-plastic model, the tooth surface contact force of helical gear under different loads (400, 1000, 1500, 2000N

The heating flow density is applied to the meshing contact helical gear tooth surface, and the convective heat transfer coefficient

The elastic and elastoplastic models can be obtained by inputting two different strain curves. Among them, the elastic model only

By combining the basic involute equation with the involute in the gear machining coordinate system, the involute curve equation of

In order to study the influence of the mean value of time-varying meshing stiffness of helical gears on the vibration

Input the obtained time-varying meshing stiffness curve and meshing impact curve into the dynamic equations at the same time to

In order to study the influence of the time-varying meshing stiffness amplitude of gears on the vibration characteristics of the

In order to study the influence of the above two excitation factors on the system vibration, the vibration speed diagram

The high-speed helical gear drive of an electric vehicle is taken as the research object, and its structure diagram is

(1) The influence of compound optimization modification scheme of top involute and tooth direction drum of long tooth profile of

There are three schemes for drum shape optimization modification of tooth profile, namely, the modification amount of driving wheel is

Figure 1 shows the influence curve of the pinion tooth width on the time-varying meshing force of the helical gear

The optimal modification scheme of the top broken line arc of the long tooth profile is the modification amount of

For the dynamics of nonlinear helical gear system, the solid collision method, the finite element transient analysis method and the

The linear optimization modification scheme of long tooth profile addendum is the modification amount of driving gear 3 μ m.

As shown in the figure, the three-dimensional cloud diagram of contact stress of No. 0 unmodified, No. 1 optimization scheme

Figure 1 shows the influence curve of helix angle on the time-varying meshing force of the helical gear pair at

As shown in the figure, the tooth surface load distribution of No. 0 unmodified, No. 1 optimization scheme and No.

Under the ideal oil lubricated meshing condition, the big and small gear teeth will be completely separated by the oil