Transactions of Materials and Heat Treatment

Title：Measurement and evaluation on springback in roll forming based on laser triangulation

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ClassificationCode：TB92; TH712

year,vol(issue):pagenumber：2023,48(1):229-236

Abstract：

For the problems that the springback amount of roll-formed parts was difficult to be accurately measured and the actual error in forming could not be fully counted, a visual measurement method for springback amount of roll-formed parts was proposed. Then, using the method of reverse engineering technology, the formed part was reverse designed and compared with the original points so as to obtain the relevant data of sheet metal. The method used the laser triangulation measurement device to obtain the point cloud data of roll-formed parts, and then used software Geomagic Qualify to process the point cloud data. The point cloud data was matched and aligned with the product design standard CAD model, and the normal deviation value of the point cloud relative to the design model at the best matching position was calculated to obtain the values of springback amount. Thus, this method can accurately obtain the springback amount of different sections in the same formed part and provide the real-time reference data for subsequent roll forming closed-loop correction system.

Funds：

北京市自然科学基金- 市教委联合资助项目(KZ201910009011); 北京市属高校高水平教师队伍建设长城学者培养计划(CIT&TCD20190306); 北京市教委基本科研业务费项目(110052972027/024); 北方工业大学毓杰团队支持计划(107051360021XN083/001); 国家自然科学基金资助项目(51074204)

作者简介: 韩　飞(1977-), 男, 博士, 教授 E-mail: hanfei@ ncut. edu. cn

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