Asymmetric gear worm grinding wheel gear grinding machining precision prediction method

By constructing the ISABO-IBiLSTM model, we analyzed the multi-source errors in the grinding of asymmetric gears and worm gears with grinding wheels. This solved the problem of insufficient prediction accuracy in traditional methods and achieved high-precision prediction of the tooth surfaces on both sides of the asymmetric gears, providing data support for process optimization.

CN120874269APending Publication Date: 2025-10-31CHONGQING UNIV
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Patent Information

Application Number
CN202510931654.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-10-31

AI Technical Summary

Technical Problem

Existing technologies struggle to accurately predict the machining accuracy of asymmetric gear and worm gear grinding wheels. Traditional methods fail to effectively consider the essential differences between the tooth surfaces on both sides, resulting in predictions that cannot meet the demands of high-precision manufacturing.

Method used

A method for predicting the machining accuracy of asymmetric gear and worm gear grinding wheels based on the ISABO-IBiLSTM model is constructed. By analyzing the composition of multi-source errors and applying the improved SABO algorithm and BiLSTM model, the hyperparameters are optimized to achieve high-precision prediction.

Benefits of technology

The precise location of the coupling effect mechanism of multi-source errors enables high-precision prediction of the tooth surfaces on both sides of the asymmetric gear, providing a data foundation for subsequent process optimization.

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Abstract

The invention provides an asymmetric gear worm grinding wheel gear grinding precision prediction method. According to the method, starting from final realization of prediction modeling of the gear grinding precision of the asymmetric gear worm grinding wheel, the composition of multi-source errors in the gear grinding process of the asymmetric gear worm grinding wheel is analyzed, and a coupling influence mechanism of the multi-source errors on the gear grinding precision of the asymmetric gear is disclosed; an asymmetric gear worm grinding wheel gear grinding precision prediction model based on an ISABO-IBiLSTM model is constructed, actual measurement of error data and precision prediction of tooth surfaces on the two sides are carried out, and a data basis is provided for subsequent asymmetric gear worm grinding wheel gear grinding process optimization.
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