At present,it is very difficult to reproduce surface model of complicated casting die by 3D CAD,such puzzle has been solved here by using reverse engineering technology based on computer tomoscan.

• 利用三维CAD软件对复杂铸造模具进行模型重现,目前具有较大难度,而且难以保证重现精度。本文引入基于断层扫描的逆向工程技术,很好地解决了这一难题。