样件以胎模定位，胎模表面根据本体CAD数据加工，表面倒PU胶，保证不划伤本体表面。

Product parts located by fixture surface, which milled according to parts surface CAD data, and then coated by PU, to prevent the parts surface from being scratched.

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对于所设计样件进行有补偿和无补偿情况下的加工，利用三坐标测量机对加工表面进行检测。

Machinings on the designed sample with and without compensation were conducted, and CMM was used to inspect the machined surfaces.

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介绍了以反求工程为技术支撑的复杂曲面模具数控加工的基本原理和实现过程关键技术—样件表面数字化技术和曲面重构技术。

The key technology about surface digitizing and reconstruction in the mold tooling digitized manufacturing based on the reverse engineering as well as the basic theory is analyzed.

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