Disassembling Analysis for the Automotive Products Based on Generalized CAD Models

Analyzing assembly and disassembly is a key factor for not only the research of life cycle engineering design (LCED) of the automotive products, but also the important fundament of good manufacturing, maintaining, recycling retirement treating and lifecycle assessing for these products. As for the modern automotive product, its designing, manufacturing, maintenance, recycling deposal, Lifecycle Assessment, etc., have the close relationships with each other. The CAD models are their common basis. So a novel generalized CAD models for disassembly of automotive products is put forward in this paper. Based on this model, a systematic research on the scheme of disassembly sequence and disassembly path , the modeling and algorithm of a globally interference inspection are demonstrated. Moreover, this paper also takes a main reducer of a heavy-duty off-road vehicle as an example to validate the above theory. It will provide a theoretical foundation for geometrical interference inspection and the assembly and disassembly of mechanical products using generalized CAD models.