School of Mechanical Engineering and Materials Science, University of Surrey, Guildford, Surrey. UK.
Requirements of a data model corresponding to the whole lifecycle of a product design data contains standardised electronic components library, and standardised mechanical parts. Additionally, it contains a library of design submodules that can be reused in the new product development process. The standardised representation of data allows different 'islands of technology' to represent, communicate and exchange all product data information smoothly and reliably.
The process and manufacturing data are needed to use well established DFM techniques f rom the onset of the design phase. Researchers have pointed out that exchange of product data is essential for the integration of life-cycle activities and the realisation of concurrent engineering. Concurrent engineering cannot be fully implemented unless knowledge is modelled and standardised to allow communications among all computerised systems. Standardisation efforts in this area should be directed to the following aspects of product data: representation , coding, querying and retrieval. Representation and coding standardisation has attained a high level of maturity due to the concentrated international efforts in STEP (Standard for the Exchange of Product Model Data).
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