Development of tolerance analysis using non-ideal models and application to comprehensive quality design

2023 Fiscal Year Final Research Report

• Project/Area Number: 20K04225
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 18030:Design engineering-related
• Research Institution: Tokyo University of Science, Yamaguchi
• Principal Investigator: Otsuka Akimasa 山陽小野田市立山口東京理科大学, 工学部, 准教授 (90611848)
• Project Period (FY): 2020-04-01 – 2024-03-31
• Keywords: 幾何偏差 / モデリング / シミュレーション / ランダム生成 / ウェーブレット変換 / 最適化

Outline of Final Research Achievements

A random generation method for pseudo-nonideal surface models with machining marks were experimentally verified. As a result, it was confirmed that these characteristics were reflected in the pseudo surface under various processing conditions. A method to connect pseudo-surfaces that minimizes distortion were developed to generate a three-dimensional non-ideal model. By applying this model to CAE, it is possible to analyze the impact of machining errors on product characteristics. Using the models, we were able to calculate the characteristics of a simple optical system and simulate its variations. This result suggests that both machining conditions and functional characteristics can be designed simultaneously by using the non-ideal models.

Free Research Field

設計工学

Academic Significance and Societal Importance of the Research Achievements

本研究の成果により、製品設計において製品特性と同時に加工条件の選択も検討できることがあげられる。