基于逆向工程与增材制造的塑料零件修复技术

Plastic Parts Repair Technology Based on Reverse Engineering and Additive Manufacturing

以某车灯塑料件为载体,基于逆向工程与增材制造技术,解决复杂曲面塑料零件的修复问题,以提高零件的修复效果,为此类零件提供快速、高效、高质量的修复方法。通过三维扫描设备获取破损零部件的点云数据,采用Geomagic DesignX软件处理点云数据,获得破损零部件数字模型,对比分析破损部位的可修复性,分离零件破损部位数模。利用增材制造技术打印破损部位零件,对打印的零件进行虚拟装配检验精度并修复。在不破坏实物模型的前提下,实现了零件快速、高精度检测和分析,完成了对复杂曲面塑料零件的高精度再修复,验证了基于逆向工程和增材制造的产品修复技术的可行性,为复杂零件的修复提供参考。

Taking a car lamp plastic part as the carrier,based on reverse engineering and additive manufacturing technology,the repair problem of complex curved plastic parts is solved to improve the repair effect of parts and provide a fast,efficient and high-quality repair method for such parts.The point cloud data of damaged parts are obtained by 3D scanning equipment,and the point cloud data are processed by Geomagic DesignX software to obtain the digital model of damaged parts.The repairability of damaged parts is compared and analyzed,and the digital model of damaged parts is separated.Additive manufacturing technology is used to print damaged parts,and the printed parts are subjected to virtual assembly inspection accuracy and repair.On the premise of not destroying the physical model,the rapid and high-precision detection and analysis of parts are realized,and the high-precision re-repair of complex curved plastic parts is completed.The feasibility of product repair technology based on reverse engineering and additive manufacturing is verified,which provides a reference for the repair of complex parts.