The product model is the primary source of input for a process planning system. The basic requirement of a product modeller in the area of Generative Computer-Aided Process Planning (GCAPP) is to generate a complete, exact, unambiguous 3D product representation which is directly accessible to automated planning. Such a product representation must include geometry, material specification, surface finish data, features and their relationship to other features, and tolerances. The product representation has to be complete, since in an automated environment interactive input of missing information at a later stage has to be avoided. Automation of process planning requires the product data to be extracted from the product model without human interaction. With respect to the above requirements a principle called Feature Based Design has been investigated and developed. This method provides a part description at the design stage which is suitable for a GCAPP system. If a fully automated GCAPP is consolidated to the system a real integration of CAD and CAM will be achieved, which will support simultaneous engineering philosophy as well as providing a true foundation for CIM.
| Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:642701 |
| Date | January 1992 |
| Creators | Chaharbaghi, H. |
| Publisher | University of Edinburgh |
| Source Sets | Ethos UK |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Source | http://hdl.handle.net/1842/14321 |
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