Identification of Stable Configurations between Constituent Parts of an Assembly

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Abstract:

There may be several feasible sequences of assembly operations for assembling a mechanical product. Requirement of fixtures for each assembly sequence are different and hence the assembly lead time. Assembly Sequence Planning (ASP) is the activity of finding sequence (s) of assembly operations which has improved productivity and reduced lead time. Generating such suitable assembly sequence (s) have always been a challenging research area because every product is special in terms of its design characteristics. Significant level of automation has been achieved in ASP but huge efforts are still required to enhance its performance through improvement of the existing algorithms and data structures. Identifying stable configurations between constituent parts of an assembly is one of such important concern to augment ASP. It helps reducing dependence on fixtures by driving the assembly process through more number of stable configuration stages making it economical in time and cost.The purpose of this piece of work is to formulate a method to obtain information rich stability predicate automatically through Computer Aided Design (CAD) interface for a mechanical product.The method is automatic and saves hours of time studying the assembly by a skilled and experienced assembly analyst.

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595-601

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September 2016

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