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Spiral bevel gear tooth surface loading performance optimizing method capable of considering tooth root bending strength

A technology of spiral bevel gear and bending strength, which is applied in the field of tooth surface loading performance optimization, can solve the problems of large amount of calculation, inaccurate calculation of root bending stress, and inapplicability of multiple repeated calculations, so as to ensure calculation accuracy and improve Computational Efficiency Effects

Active Publication Date: 2017-09-05
TSINGHUA UNIV +1
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Problems solved by technology

However, the rough finite element model cannot accurately calculate the dedendum bending stress. If the fine finite element model is used, due to the large amount of calculation, it is not suitable for repeated calculations in the optimization design process

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  • Spiral bevel gear tooth surface loading performance optimizing method capable of considering tooth root bending strength
  • Spiral bevel gear tooth surface loading performance optimizing method capable of considering tooth root bending strength
  • Spiral bevel gear tooth surface loading performance optimizing method capable of considering tooth root bending strength

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Embodiment Construction

[0063] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. However, it should be understood that the accompanying drawings are provided only for better understanding of the present invention, and they should not be construed as limiting the present invention.

[0064] The method for optimizing the loading performance of the tooth surface of the spiral bevel gear considering the bending strength of the dedendum provided by the present invention comprises the following steps:

[0065] 1) Establish an optimization model for the tooth surface loading of spiral bevel gears considering the bending stress of the dedendum, including the following contents:

[0066] ① Design variables:

[0067] The design parameters of the tooth surface modification surface of the small wheel of the spiral bevel gear are used as the optimized design variables, and the three design parameters are the pre-control transmission error curve...

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Abstract

The invention relates to a spiral bevel gear tooth surface loading performance optimizing method capable of considering tooth root bending strength. The method comprises the following steps: 1) building a spiral bevel gear tooth surface loading performance optimizing model capable of considering the tooth root bending strength; 2) building a tooth surface loading contact analysis method capable of considering a tooth root bending stress; and 3) a Kriging agent model of the tooth surface loading optimizing problem and performing optimization solution. The method is capable of firstly considering the tooth root bending stress in the optimizing model, secondly introducing a Kriging agent modeling method in order to solve the problem of large calculation amount, building the agent model of the tooth surface loading performance optimizing problem, and using the agent model to obtain the optimal solution. The obtained tooth surface optimizing result is capable of considering the tooth root bending stress, and the considered factors are more comprehensive.

Description

technical field [0001] The invention relates to a method for optimizing the loading performance of the tooth surface, in particular to a method for optimizing the loading performance of the tooth surface of a spiral bevel gear considering the bending strength of the tooth root. Background technique [0002] Spiral bevel gears are widely used in the fields of automobiles and aviation due to their advantages of smooth transmission and high load carrying capacity. In order to obtain a tooth surface with good performance, the gear designer needs to adjust the pre-control parameters of the tooth surface several times until an ideal result is obtained. This process needs to rely on the experience of the gear designer, and multiple tooth surface loadings are also required. Analysis takes a lot of time. Therefore, the optimal design of tooth surface loading performance has important engineering value. [0003] In the optimization of tooth surface loading performance, Simon (refere...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/23G06F2111/06
Inventor 范子杰王琪周驰桂良进
Owner TSINGHUA UNIV
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