关键词: 涂装车身；流挂效果；工艺路线；工艺验证；精益制造

Abstract: Based on the flow-hanging problem of a trial-produced model of Nanjing Hengtian Lingrui in the process of surface painting workshop, combined with the actual operation situation on site, the paper systematically analyzes the flow-hanging generation principle, production line equipment status, process route formulation, staff operation methods, paint material determination and other aspects, and determine the improvement plan for body flow-hanging through process verification. And the scheme has achieved good results in practical application, and briefly analyzed the related factors affecting the paint quality of the body, and put forward some suggestions, hoping to guide and reference significance for the lean manufacturing of paint coating in the later stage.

Key words: Painted vehicle body; Flow-hanging effect; Process route; Process validation; Lean manufacturing