关键词: 虚拟样机建模, 柔性件装配

Abstract: o solve the high cost problem and shorten development period in traditional auto-body assembly design using trial-and-error on physical prototype, an integrated assembly framework was proposed based on virtual prototype technology. It consisted of three sub-models, including assembly modeling based on welding-assembly characteristics, variance transmission computation model and assembly environment simulation model. With interface-based method, multi-disciplinary data of assembly design and process information could be well organized and accessed on PDM platforms. A case study of front floor assembly was conducted to illustrate that the proposed VP-based framework could effectively reduce auto-body assembly design cost and shorten development period.

Key words: virtual prototyping modeling, sheet metal assembly, auto-body