某车型下车体后纵梁总成焊装尺寸的应用研究

Application Research of Rear Longitudinal Beam Assembly Dimension of a Vehicle

介绍了某车型下车体后纵梁总成结构,分析了后纵梁总成尺寸精度对车身尺寸的影响、尺寸的控制过程和方法以及对零件、工装、焊接过程等因素的监控,从而保证零件尺寸精度,确保总成尺寸指标。

The structure of the rear longitudinal beam assembly of a vehicle body was introduced.The influence of the dimension accuracy of the rear longitudinal beam assembly on the body size,the control process and method of the dimension,and the monitoring of the parts,tooling and welding process were analyzed.So as to ensure the dimensional accuracy of parts and the size index of assembly.