Disassembly method based on connection interface and mobility operator concepts

作者：Popescu Diana; Iacob Robert^*

来源：International Journal of Advanced Manufacturing Technology, 2013, 69(5-8): 1511-1525.

DOI：10.1007/s00170-013-5092-9

• Disassembly
• Sequence planning
• Connection interface
• Mobility operator

The impact of the disassembly process on the design of a product is a recognized fact, influencing recycling, maintenance, repair, and component/material re-using-essential aspects for a sustainable development. For simplifying and improving their work, as well as for designing proper and efficient disassembly plans, it is important for engineers to benefit from a disassembly method, for automatically generating dismounting sequences, incorporated in a software solution for providing rapid disassembly information that can be further used for real-time immersive simulations. The disassembly method proposed in this paper is based on two innovative elements: the connection interface concept and the mobility operator that integrates information on geometrical constraints, contact surface relative position and common area, neighboring components, and relative mobilities of the assembly components. All these data are corroborated with knowledge-based criteria and are used to generate a set of connection interfaces for a product to define mechanical joints, automating the identification of fasteners in the assembly and determining the components' mobility within assembly. As a consequence, it is possible to calculate and realistically simulate components' disassembly paths. In the proposed method, valid disassembly trajectories of a component relative to its surrounding ones are modeled based on the mobility operator, the swept volume approach is used to evaluate collisions between components, and finally, the disassembly sequences are determined through an improved layer peeling technique.

• 出版日期2013-11