A manufacturability analysis method for sheet metal based on rule reasoning

IF 4.6 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology Pub Date : 2025-02-01 DOI:10.1016/j.cirpj.2024.12.004

Jinfeng Liu, Mian Wu, Yu Chen, Qiukai Ji, Yang Xie

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引用次数: 0

Abstract

Sheet metal parts are the fundamental components for realizing the structural characteristics of aircraft, and their design efficiency and quality directly influence the cost and performance of products. Currently, many aviation enterprises rely on experiential methods to inspect the design quality of parts, leading to challenges such as inconsistent inspection specifications, low efficiency and a high likelihood of errors. To address these issues, a manufacturability analysis method for sheet metal part is proposed based on rule reasoning. Firstly, the topological information of sheet metal part is classified and combined according to geometric characteristics and its topological relationships, and the topological face set of the features is constructed. Secondly, the manufacturing feature recognition methods based on rule reasoning is proposed, and standardized information models are established based on these manufacturing features. Subsequently, the manufacturability rules are established based on the process criteria in the actual processing requirements. The attribute information contained in the design model is compared with the process rule information to identify the attributes that do not comply with the processing requirements. Finally, a manufacturability evaluation software system for aircraft sheet metal part is developed, and several typical parts containing various concave features are successfully tested.

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基于规则推理的薄板可制造性分析方法

钣金件是实现飞机结构特性的基础部件，其设计效率和质量直接影响到产品的成本和性能。目前，许多航空企业依靠经验方法对零件的设计质量进行检验，存在检验规范不一致、效率低、误差可能性大等挑战。针对这些问题，提出了一种基于规则推理的钣金件可制造性分析方法。首先，根据钣金件的几何特征及其拓扑关系对拓扑信息进行分类组合，构建特征的拓扑面集；其次，提出了基于规则推理的制造特征识别方法，并基于制造特征建立了标准化的信息模型；然后，根据实际加工要求中的工艺准则建立可制造性规则。将设计模型中包含的属性信息与流程规则信息进行比较，以识别不符合流程需求的属性。最后，开发了飞机钣金件可制造性评价软件系统，并对几种具有不同凹面特征的典型零件进行了测试。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

CIRP Journal of Manufacturing Science and Technology Engineering-Industrial and Manufacturing Engineering

CiteScore

9.10

自引率

6.20%

发文量

166

审稿时长

63 days

期刊介绍： The CIRP Journal of Manufacturing Science and Technology (CIRP-JMST) publishes fundamental papers on manufacturing processes, production equipment and automation, product design, manufacturing systems and production organisations up to the level of the production networks, including all the related technical, human and economic factors. Preference is given to contributions describing research results whose feasibility has been demonstrated either in a laboratory or in the industrial praxis. Case studies and review papers on specific issues in manufacturing science and technology are equally encouraged.