As known, the number of possible disassembly sequences increases significantly with the number of parts in a product. For selective disassembly, for instance, it is important to eliminate the components unrelated with the target component prior to sequence generation. In order to address this configuration, a method for disassembly sequences generation in the case of selective disassembly is presented in this paper. Based on the least levels of disassembly product graph it allows reducing computation resources. Instead of considering the geometric constrains for each pair of components, the proposed method considers the geometric contact and collision relationships among the components in order to generate the disassembly graph for sequences planning. The method is applied for automatically generating the selective disassembly sequences thus allowing reducing the computation resources and is illustrated through an example.

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