Transactions of Materials and Heat Treatment

Title：Automatic 3D precision measurement technology and its application in forging field

Authors： Yang Guang1 Zhou Min1 Han Liya2 Li Zhongwei2 Xia Juchen2

Unit： 1.Wuhan University of Science and Technology 2.Huazhong University of Science and Technology

KeyWords： automatic 3D precision measurement surface scanning six DOF robot hand field of forging

ClassificationCode：

year,vol(issue):pagenumber：2016,41(4):109-114

Abstract：

Surface scanning 3D measurement technology is of non-contact, fast measuring speed and high accuracy, and it is promising to apply in the field of forging. But the common 3D measurement equipments are easily affected by human factors such as measurement planning, data processing, etc., and it is difficult to guarantee the accuracy during measurement. In order to solve those problems, an automatic 3D measurement technology was put forward based on surface scanning and industrial robot with six degrees of freedom, which was composed of six degree of freedom robot hand, 3D measurement head and control system, etc. Furthermore, it could make full use of the advantages of flexible operation, large working range in robot hand and fast measuring speed, and high accuracy in surface scanning. Additionally, a hand-eye calibration algorithm based on kronecher product was adopted in this technology, which realized a high-precision automatic registration of measurement data. The practical application shows that the technology can realize a fast, accurate, automatic 3D measurement and accuracy test of the complex forging products.

Funds：

国家自然科学基金资助项目（51505169）；湖北省重大科技创新计划（2013AEA003）；湖北省重点实验室基金资助项目（2013A06）

杨光（1988-），男，硕士研究生

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