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在使用数字维尔尼尔校准器和五种材料的坐标测量机在CNC制零件的维度准确性和测量变量
Mohammad S Alsoufi1, Saleh A Bawazeer1, Mohammed W Alhazmi1
1Department of Mechanical Engineering, College of Engineering and Architecture, Umm Al-Qura University, Makkah 21955, Saudi Arabia.
Materials (Basel, Switzerland)
|June 27, 2025
概括
自动坐标测量机 (CMM) 为CNC加工的零件提供了优越的尺寸精度和可重复性,相比手动数字维尼尔校准器 (DVCs). 建议CMM用于高精度制造,确保在关键行业的可靠性.
科学领域:
- 制造业 工程 制造工程
- 计量学 计量学 计量学
- 材料科学 材料科学 材料科学
背景情况:
- 在CNC加工中,尺寸精度对于高精度制造至关重要.
- 具有不同机械和热性能的材料对测量构成挑战.
- 现有的计量系统需要对各种工程合金进行实验验证.
研究的目的:
- 为了实验性地比较手动 (数字维尼尔校准器 - DVC) 和自动 (坐标测量机 - CMM) 计量系统.
- 评估五种工程合金和五个加工区的测量精度,误差和可重复性.
- 调查材料性能和加工对测量性能的影响.
主要方法:
- 在五种工程合金 (例如,6061,不钢304) 上对DVC和CMM进行实验比较.
- 在五个轴区域测量绝对误差,相对误差,标准偏差和可重复性.
- 主要组件分析 (PCA) 和多变量建模来分析测量属性关系.
主要成果:
- DVC性能对操作员输入和表面不规则敏感,显示更高的错误和糟糕的重复性.
- 在所有合金中,CMM表现出卓越的精度和一致性,标准偏差和相对误差明显较低.
- PCA在手动和自动化方法之间发现了明显的错误敏感性,使材料根据计量可靠性进行分类.
结论:
- 建议CMM用于高精度应用 (航空航天,生物医学),需要严格的公差和可靠性.
- DVC可以作为一个辅助工具用于不那么关键的测量,承认它的局限性.
- 该研究为智能计量学选择提供了一个框架,符合工业4.0对准确性和数据驱动质量保证的要求.
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