期刊
APPLIED SCIENCES-BASEL
卷 9, 期 24, 页码 -出版社
MDPI
DOI: 10.3390/app9245355
关键词
quality check; bike frame; mathematical model; graphical user interface
类别
资金
- Ministry of Science and Technology, Taiwan [MOST 108-2637-E-167-001]
Currently, the bike frame quality check (QC) mostly relies on human operation in industry. However, some drawbacks such as it being time-consuming, having low accuracy and involving non-computerized processes are still unavoidable. Apart from these problems, measured data are difficult to systematically analyze for tracking sources of product defects in the production process. For this reason, this paper aims to develop a 3D geometry mathematical model suitable for bicycle frames QC using robotic arm-based measurement. Unlike the traditional way to find coefficients of a space sphere, the proposed model requires only three check point coordinates to achieve the sphere axis coordinate and its radius. In the practical work, the contact sensor combined with the robotic arm is used to realize the compliance items measurement in shaft length, internal diameter, verticality, parallelism, etc. The proposed model is validated based on both mathematic verification and actual bike frame check.
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