Published Article / Over the past few years, methods of layered manufacturing (LM) have advanced substantially to the point where they now provide vital strategic benefits to various organisations. One area of application where LM technologies have begun to reach a critical mass is in the development and production of high-performance tooling in different forming processes. With these tooling capabilities now available, the next challenge becomes the development of optimal process chains to minimise lead times and production costs, while still ensuring high quality of castings. The relevant issues that influence where a break-even point will be between different process chains and thereby also the point of selection between such optimal process chains according to different situations include among others: <ul> <li> the size of production runs, </li> <li> part size and complexity, and</li> <li> the cast materials involved.</li> </ul> <br>This paper reflects some of the experiences gained from an investigation towards developing a set of generic rules (guidelines) for the design of optimal process chains for sand casting prototypes of automotive components using LM methods, and more specifically the 3D Printing process.
| Identifer | oai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:cut/oai:ir.cut.ac.za:11462/487 |
| Date | January 2006 |
| Creators | Dimitrov, D., De Beer, N., Centner, T. |
| Contributors | Central University of Technology, Free State, Bloemfontein |
| Publisher | Journal for New Generation Sciences, Vol 4, Issue 1: Central University of Technology, Free State, Bloemfontein |
| Source Sets | South African National ETD Portal |
| Language | en_US |
| Detected Language | English |
| Type | Article |
| Format | 118 930 bytes, 1 file, Application/PDF |
| Rights | Central University of Technology, Free State, Bloemfontein |
| Relation | Journal for New Generation Sciences;Vol 4, Issue 1 |
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