Scientific

(1) Design variables The design variables of static performance optimization model and dynamic performance optimization model are the same. (2)

Based on the dynamic and static characteristics, the optimization model of tooth profile modification is established, and the optimization design

Analyze the time-domain curve of meshing stiffness and meshing force of the gear under the optimal modification amount, and compare

The modification length is 2.8mm, the change range of modification amount is [0, 0.05mm], and the value interval is 0.02mm.

There are many types of profile modification curves. According to the different functional forms of the modification quantity with respect

In gear meshing drive, in order to avoid jamming, clearance between tooth profiles must be left, which is an important

The modification quantity is 0.22mm and the length is 2.8mm. The modification types are linear modification, parabolic modification and conic

In the research of tooth profile modification, the influence of tooth profile modification on the strength of gear teeth is

With parabolic modification, the dynamic load coefficient changes with the modification amount under different modification lengths as shown in the

Linear modification is adopted, and the value range of modification amount is [0, 0.05mm], and the value interval is 0.002mm.

Linear modification is adopted with the modification quantity of 0.022m m and the length of 2.8m M. Fixed torque of

Linear shape modification is adopted with the amount of 0.022mm. The value range of the length of the modification is

Linear shape modification is adopted with the length of 2.8mm and the value range of modification is [0.01mm, 0.09mm]. The

In the research of profile modification based on static characteristics, the selection criteria of profile modification length mostly adopt the