误差显示系统的开发及在车身焊装误差控制中的应用

Development of Error Display System and Its Application in Control of Welding Error of Body

针对某汽车制造厂白车身检测过程中检测数据过多以及偏差源难寻的问题,通过对CMM(三坐标)采集的数据进行分析,得到超差测点、平均值、均方差以及相关点并使之显示相应的颜色,突出显示误差所在位置,更直观和有效对白车身超差点进行分析,找出具体偏差源的位置,指导夹具的调整,可以直观地了解和预测焊接质量的变化,为焊接质量控制提供了参考和依据.

To solve the difficulties of overabundance detection data and determine deviation source in the process of white body detection at an automobile factory, the data acquired from CMM （Coordinator Measuring Machine） are analyzed and out-tolerance measuring points, average, mean square deviation and relevant points are obtained and displayed in different colors to highlight error locations. Out-tolerance measuring points of white body can be analyzed more visually and effectively and the location of the deviation source can be obtained to adjust fixture. The change of welding quality can be predicted intuitively to provide reference and basis for welding quality control.