查詢結果分析
來源資料
相關文獻
- 利用逆向工程幾何資訊來改善射出成形件精度的研究
- Measurement Error Reduction and Sampling Strategy Design for Automated Inspection Process
- 曲柄軸平衡精度提昇之修正影響係數法
- 利用幾何關係計算GPS接收儀天線相位中心偏差之研究
- A Hierarchical RCFD Scheme for Large-Scale Analog Circuits
- Robust Fault Diagnosis for Large-Scale Analog Circuits
- 動態量測誤差評定
- 雷射向量量測技術之空間定位誤差檢測
- 超音波TOFD技術之量測誤差
- 乾濕球溫度對於相對濕度量測誤差之影響
頁籤選單縮合
題 名 | 利用逆向工程幾何資訊來改善射出成形件精度的研究=A Study on Improvement of Accuracy Using Geometry Information in Reverse Engineering of Injection Molding Parts |
---|---|
作 者 | 黃錦鐘; | 書刊名 | 東南學報 |
卷 期 | 27 2004.12[民93.12] |
頁 次 | 頁139-146 |
分類號 | 448.945 |
關鍵詞 | 成形誤差; 量測誤差; 探針接觸力; 座標量床; 最小自乘法; CMM; LSM; Molding error; Measuring error; Probe forces; Coordinate measuring machine; Least square method; |
語 文 | 中文(Chinese) |
中文摘要 | 本文提出改善射出成形件幾何資訊精度的錯誤補償方法。在逆向工程上,幾何資訊可以改善精度。量測數值之所以不能獲致精確的幾何模型原因,其中包括實體零件與量床的錯誤。量測數據分為兩類錯誤,其一是產品的成形誤差,另外是量測誤差。量測誤差包括雷射掃描的光學誤差、座標量床的探針接觸力的變形以及量床的誤差。在逆向工程上,如何補償誤差是很重要的。 最小自乘法(LSM)提供經幾何補償的群數據,以改善幾何精度。對於零件功能形狀與設計概念,亦能利用幾何資訊補償誤差,予以重建。 |
英文摘要 | This paper proposes an error compensation method that improves accuracy with geometry information of injection molding parts. Geometric information can give an improved accuracy in reverse engineering. Measuring data can not lead to get accurate geometric model, including errors of physical parts and measuring machines. Measuring data include errors which can be classified into two types. One is molding error in product, the other is measuring error. Measuring error includes optical error of laser scanner, deformation by probe forces of CMM and machine error. It is important to compensate these in reverse engineering. Least square method (LSM) provides the cloud data with a geometry compensation, improving accuracy of geometry. Also, the functional shape of a part and design concept can be reconstructed by error compensation using geometry information. |
本系統中英文摘要資訊取自各篇刊載內容。