尺寸链在批量车身尺寸精度控制中的应用  

Application of Dimensional Chain in Batch Body Dimensional Accuracy Control

作　　者：金丽玖 龙凌 朱卫光 殷智利 蒋斌斌 崔坦 Jin Lijiu;Long Ling;Zhu Weiguang;Yin Zhili;Jiang Binbin;Cui Tan

机构地区：[1]一汽-大众汽车有限公司成都分公司,四川省成都市610100 [2]一汽丰田(成都)汽车有限公司,四川省成都市610100

出　　处：《时代汽车》2023年第14期140-142,共3页Auto Time

摘　　要：如何对汽车车身尺寸精度进行精准控制和问题精准解决,是一项比较复杂的系统工程,也是提升汽车竞争力的根本。本文主要把尺寸链应用到批量车身尺寸精度控制中,提出了尺寸系数、计算公差带、CS置信度概念,通过尺寸链计算得出在现有条件下的尺寸要素控制标准,通过数字化手段实时监控,实现车身尺寸精准控制及问题解决。How to accurately control and solve the problem of automobile body size accuracy is a relatively complex system engineering problem,and it is also the fundamental to enhance the competitiveness of automobiles.This paper mainly applies the size chain to the dimensional accuracy control of batch car bodies,puts forward the concepts of size coeffi cient,calculation tolerance band and CS confi dence,calculates the dimensional element control standard under the existing conditions through the size chain,and realizes the accurate control of body size and problem solving through real-time monitoring by digital means.

关 键 词：尺寸链 批量整车生产 车身尺寸 CS 稳定性 过程控制 

分 类 号：U46[机械工程—车辆工程]