曲面薄壁零件柔性装配定位系统设计与实现

Design and Realization of Flexible Assembly Positioning System for Thin-Wall Component

针对曲面薄壁零件装配过程中存在定位难、易变形的问题进行了研究,建立了基于多点技术以及数字化虚拟装配技术的曲面薄壁零件柔性装配定位系统,实现了薄壁零件定位可靠、不易变形的柔性装配。研究提出了曲面定位点坐标的求解方法,并按照该方法提取工件曲面的几何信息,确定装配定位点,将定位点的坐标转化为定位系统的坐标,形成坐标转换矩阵,将转换矩阵中坐标的位移量转化为伺服电机的转动量。研究结果为更有效解决柔性工装的优化设计问题提供了必要依据。

Aiming at the problem of difficult positioning,easy deformation in the assembly of thin-wall components,the thin-wall component flexible assembly positioning system based on multipoint technology and digital virtual technology is established.This study proposes the solution to positioning coordinate,and extractes the geometric information of workpiece surface,determines assembly positioning point,transforms positioning coordinate into coordinate positioning system,forms the coordinate transformation matrix,converts the displacement vector of coordinate transformation matrix into the amount of rotation of servo motor.The results provide the necessary basis for a more effective solution to the problem of optimal design of flexible tooling.