三維掃描與公差分析於產品開發之應用

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姓名

張峻(Chun Chang) 查詢紙本館藏

畢業系所

機械工程學系在職專班

論文名稱

三維掃描與公差分析於產品開發之應用

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至系統瀏覽論文 (2035-7-1以後開放)

摘要(中)

隨著科技的不斷進步和產品設計的日益複雜，曲面外觀的產品
在現代工業中已逐漸成為高階產品的設計特色。然而，由於曲面造
型的複雜性，傳統的弧規檢驗方法及CMM/OMM往往無法提供足夠
準確的數據，導致產品品質控制面臨挑戰。為解決這問題，本研究
引入3D掃描技術作為高精度、高效率的測量手段，並結合公差分析
方法，以更精確地確定曲面外觀產品的合理公差範圍。
本研究採用ATOS Q 3D掃描儀，利用其投影三角測量原理，快
速獲取產品表面的三維數據。通過與傳統接觸式CMM及非接觸性
OMM技術的比較，驗證3D掃描技術在複雜曲面檢測上的可靠性和
準確性。此外，本研究提出公差計算表，結合3D掃描數據和公差分
析方法，充分考慮零件變形和配合要求，以確定合理的公差範圍。
通過實驗驗證，證明該方法能夠有效提高產品品質的穩定性和可靠
性。
研究結果顯示，沖壓工件的外觀設計難以達到預定的輪廓度規
格，而CNC工件的表現則更加穩定。這發現凸顯3D掃描技術在獲取
產品幾何資訊方面的重要性，同時也強調在設計和製造過程中全面
考慮製程限制的必要性。本研究為曲面外觀產品的品質控制提供新
的思路和解決方案，有助於提高產品品質，降低生產成本，縮短產
品開發週期。這項研究的啟示對於現代工業產品設計和製造具有重
要的指導意義，為達到高品質、高效率的生產提供可行的途徑。

摘要(英)

In today′s rapidly advancing technological landscape and increasingly intricate
product designs, curved appearance products play a pivotal role in modern industry.
However, the complexity of curved shapes poses challenges for traditional profile
gauge inspection methods, often resulting in inaccurate data and difficulties in product
quality control. To tackle this issue, this study introduces 3D scanning technology as a
precise and efficient measurement approach, coupled with tolerance analysis methods,
to accurately determine reasonable tolerance ranges for curved appearance products.
Utilizing the advanced ATOS Q 3D scanner, this research employs its projected
triangle measurement principle to swiftly capture three-dimensional data of product
surfaces. By comparing it with traditional contact-based CMM/OMM technology, the
reliability and accuracy of 3D scanning technology in complex surface inspection are
validated. Additionally, an innovative tolerance calculation table is proposed,
integrating 3D scanning data and tolerance analysis methods, to determine reasonable
tolerance ranges while fully considering part deformation and assembly requirements.
Experimental validation demonstrates that this method effectively enhances product
quality stability and reliability.
The study findings reveal that while the appearance design of stamped parts may
struggle to meet predetermined contour specifications, CNC parts exhibit more stable
performance. This underscores the importance of 3D scanning technology in obtaining
product geometric information and underscores the necessity of comprehensive
consideration of process limitations in design and manufacturing. The research
provides novel insights and solutions for quality control of curved appearance products,
contributing to improved product quality, reduced production costs, and accelerated
product development cycles. The implications of this study are significant for modern
industrial product design and manufacturing, offering a viable approach to achieve
high-quality and efficient production.

關鍵字(中)

★ 3D掃描
★ 公差分析
★ 曲面外觀
★ 產品品質控制
★ 製程限制

關鍵字(英)

★ 3D scanning
★ tolerance analysis
★ curved appearance
★ product quality control
★ process limitations

論文目次

目錄
摘要 ..... i
Abstract ..... ii
誌謝辭 ..... iii
目錄 ...... iv
表目錄 ...... vii
圖目錄 ...... ix
第一章緒論 ....... 1
1.1 前言 ........ 1
1.2 文獻回顧 ....... 2
1.2.1 掃描量測技術簡介 ..... 2
1.2.2 雷射掃描與接觸式量測比較 .... 3
1.2.3 3D掃描技術與工業4.0 ...... 3
1.2.4 3D掃描技術於尺寸量測應用 ...... 4
1.2.4 3D掃描與公差分析應用 .... 5
1.3 研究目的與方法 ...... 6
1.4 論文架構 ...... 7
第二章筆電機構設計介紹 ...... 8
2.1 前言 ...... 8
2.2 專有名詞介紹 ....... 8
2.3筆記型電腦模組設計方法與問題點 ...... 11
2.4一般筆記型電腦組裝公差設計 ..... 18
2.4.1 (A1-XY) A件與面板外弧角線輪廓度組裝應用 ....... 19
2.4.2 B3-XY C件與TFR面板弧角輪廓度組裝應用 ....... 22
2.4.3 B5-XY C件與TP面板弧角輪廓度組裝應用 ....... 24
2.4.4 D3-XY C與D件弧角線輪廓度組裝應用 ....... 28
2.4.5 D3-Z D件周圈面輪廓度組裝應用 ...... 36
2.4.6 D5-Z D件後緣面輪廓度組裝應用 ...... 39
2.4.7傳統X/Y/Z檢驗方法的爭論 ...... 42
2.4.8 沖壓工件輪廓度規格的重要性 ..... 43
2.4.9 沖壓D件輪廓度規格GD&T ....... 44
第三章組裝公差分析及3D 掃描技術 ....... 46
3.1 前言 ........ 46
3.2 公差分析 ........ 46
3.2.1 A件之A1-XY輪廓度組裝公差 ....... 47
3.2.2 C件之B3-XY輪廓度組裝公差 ...... 49
3.2.3 C件之B5-XY輪廓度組裝公差 ...... 50
3.2.4 D件之D3-XY輪廓度組裝公差 ...... 51
3.2.5 沖壓D件之D3-Z輪廓度組裝公差..... 52
3.2.6 CNC D件之D3-Z輪廓度組裝公差 ..... 54
3.2.7 CNC D件之D5-Z輪廓度組裝公差 ..... 55
3.2.8 沖壓 D件之D5-Z輪廓度組裝公差..... 57
3.3 3D 掃描技術 ....... 59
3.4 傳統弧規量測工件 .......... 60
3.5 比較分析 ........ 62
第四章研究結果與討論 ....... 65
4.1 輪廓度檢驗區域標準比較 ....... 65
4.1.1 DVT2沖壓D 工件外觀表面的GD&T檢測 ...... 65
4.1.2 外觀輪廓度檢測條件比較 ..... 67
4.1.3 輪廓度量測與掃描基準治具應用..... 69
4.2 D件沖壓製程與CNC製程的組裝情況比較 ....... 71
4.2.1 C/D工件間隙/段差的外觀管控比較-DVT2 ...... 71
4.2.2 CNC工件與沖壓工件組裝的後側間隙比較 - DVT2..... 73
4.2.3 3D掃描與雷射OMM 檢測的結果比較 - DVT2 ...... 78
4.2.4 DVT2 實驗改善措施 ....... 82
4.2.5 CNC工件與沖壓工件之整體情況比較 ...... 83
第五章結論與未來展望 ..... 85
5.1 結論 ..... 85
5.2 研究限制 ...... 86
5.3未來展望 ...... 86
參考文獻 ....... 88

參考文獻

參考文獻
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指導教授

賴景義(Jiing-Yih Lai)

審核日期

2024-6-13

推文