Mesh characteristic analysis method of spalled helical gear pair considering matrix stiffness correction
A helical gear pair and characteristic analysis technology, applied in special data processing applications, geometric CAD, design optimization/simulation, etc., can solve problems such as low calculation efficiency, inability to accurately consider the elastic deformation of gear teeth, and inability to truly reflect the gear meshing process, etc.
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Embodiment 1
[0083] Such as figure 1 Shown: This embodiment discloses a method for analyzing the meshing characteristics of a spalled helical gear pair considering the correction of substrate stiffness, including the following steps:
[0084] Step 1: Obtain the basic parameters, peeling position and peeling size parameters of the helical gear pair;
[0085] In this embodiment, the basic parameters of the helical gear pair are obtained as shown in Table 1 (see the description in the text for details on the peeling position and size):
[0086] Table 1 Helical gear pinion parameters
[0087]
[0088] Step 2: Calculate the time-varying meshing stiffness of the helical gear according to the energy method, and establish a calculation model that considers nonlinear contact, finite element correction of the matrix stiffness, and the meshing stiffness of the spalled helical gear pair;
[0089] Step 2.1: Decompose the helical gear pair into N independent and uniform small spur gears along the t...
Embodiment 2
[0122] Such as figure 2 Shown: This embodiment discloses a method for analyzing the meshing characteristics of a spalled helical gear pair considering the correction of the substrate stiffness, including the following steps:
[0123] Step 1: Obtain the basic parameters, peeling position and peeling size parameters of the helical gear pair;
[0124] Step 2: Calculate the time-varying meshing stiffness of the helical gear according to the energy method, and establish a calculation model that considers nonlinear contact, finite element correction of the matrix stiffness, and the meshing stiffness of the spalled helical gear pair;
[0125] Step 2.1: Decompose the helical gear pair into N independent and uniform small spur gears along the tooth width direction, and calculate the parameters of each small spur gear;
[0126] In detail, the teeth of the helical gear pair are decomposed into N independent and uniform thin plate gears along the tooth width direction, L represents the ...
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