Abstract
Three-dimensional (3D) GD&T provides basic information for tolerance visualization and generation of assembly dimension chains. This paper presents an approach to 3D GD&T for mechanical products in virtual assembly system. Points for dimension lines and control frames are derived from ACIS-based geometry, and a 3D GD&T model referring to the international standard is developed. In addition, 3D GD&T's consequent transformation due to part movement is introduced, and an assistant angular dimension model is built for 3D linear dimensioning. Finally, a prototype system is presented.
| Original language | English |
|---|---|
| Pages (from-to) | 1316-1323 |
| Number of pages | 8 |
| Journal | Jisuanji Fuzhu Sheji Yu Tuxingxue Xuebao/Journal of Computer-Aided Design and Computer Graphics |
| Volume | 22 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - Aug 2010 |
Keywords
- 3D GD&T
- Assistant angular dimension
- Geometric precision
- Virtual assembly
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Liu, W., Ning, R., Liu, J., & Shang, W. (2010). 3D geometric dimensioning and tolerancing (GD&T) in virtual assembly system. Jisuanji Fuzhu Sheji Yu Tuxingxue Xuebao/Journal of Computer-Aided Design and Computer Graphics, 22(8), 1316-1323. https://doi.org/10.3724/SP.J.1089.2010.10944