Automatic extraction of vertices coordinates for CNC code generation for dental wire bending

Q1 Multidisciplinary

International Journal of Agile Systems and Management Pub Date : 2017-12-12 DOI:10.1504/IJASM.2017.10009461

R. Hamid, Teruaki Ito

引用次数: 2

Abstract

This paper reports a new methodology for an automatic extraction of vertices coordinates from a dental wire CAD model in an initial graphics exchange specification (IGES) file format for CNC bending code generation. It has two main components, the first one deals with IGES feature extraction and the second one deals with autonomous CNC code generation based on the Cartesian coordinates using various mathematical formulae. The procedure is carried out in MATLAB environment through some developed functions to support wire design technique in CAD by means of 3D line segmentation. In this approach, the digital design of the wire is constructed from multiple 3D line segments in reference to the 3D teeth scan image (STL file). The developed methodology has three steps consisting of an IGES model pre-processing, automated coordinate extraction and CNC bending code generation. The developed methodology is limited to the CAD design through multiple line segments and has been verified with a case study.

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牙线弯曲数控代码生成中顶点坐标的自动提取

本文报告了一种新的方法，用于从牙线CAD模型中以初始图形交换规范（IGES）文件格式自动提取顶点坐标，用于数控弯曲代码生成。它有两个主要组件，第一个涉及IGES特征提取，第二个涉及使用各种数学公式基于笛卡尔坐标的自主数控代码生成。该程序是在MATLAB环境中通过一些开发的函数来执行的，以支持CAD中的三维线分割的布线设计技术。在这种方法中，参考3D牙齿扫描图像（STL文件），从多个3D线段构建金属丝的数字设计。所开发的方法包括三个步骤，包括IGES模型预处理、自动坐标提取和数控折弯代码生成。所开发的方法仅限于通过多个线段进行的CAD设计，并已通过案例研究进行了验证。

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

International Journal of Agile Systems and Management Multidisciplinary-Multidisciplinary

CiteScore

2.70

自引率

0.00%

发文量

期刊介绍： The objective of IJASM is to establish an effective channel of communication between academia, industry and persons concerned with the design and development of systems. Change is eternal and perpetual, irrespective of type of system. Systems created in the course of the advance of human civilization need to be functionally and operationally sustainable amid changes in technological, political, socio-economical, financial, cultural and other environmental challenges. IJASM aims to promote and harmonize knowledge developments in the emerging fields of agile systems research, sustainability and vulnerability analysis, risk assessments methodologies, complex systems science, e-organisation and e-supply chain management, with emphasis on the international dimension, particularly breaking cultural barriers, and on national contexts, globalisation and new business practices. As such, we aim to publish papers presenting new research, innovative theoretical approaches, changes in agile management paradigms, and action (both examples of successes and failures as long as there are important lessons to be learned) from leading scholars and practitioners. Papers generally fall into two broad categories: those grounded in theory and/or papers using scientific research methods (e.g., reports of original empirical studies, models, critical reviews of existing empirical research, theory pieces that clearly extend current thinking); and those focusing on innovative agile approaches that are based on well reasoned extensions of existing research, experiential knowledge, or exemplary cases (e.g., thought pieces, case studies, etc).