CAD takes designers through the screen

Article Abstract:

Budget computer-aided design software systems, costing about 20,000 pounds sterling, developed as a result of flight simulation and space research, should shortly be on the market. This virtual reality software will enable designers to make designs from within, rather than on a 2D screen. Products will be able to be produced and tested through computer simulation rather than physically constructed. Autodesk is expected to launch its product, Cyberspace, in 1993. Virtual Presence and Dimension International have already supplied systems to the Shoe and Allied Trade Research Assocation, Northampton, UK, and Nottingham University, UK, to enable manufacturing processes to be visualised.

Computers, Digital computers, Computer simulation

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Advances on route to solid product

Article Abstract:

Linking computer-aided design (CAD) to advanced production processes is a vital part of rapid prototyping, and various technologies now exist to produce actual usable products or three-dimensional mock-ups. Computer-based mock-ups can be made by linking CAD to various sintering, curing, cutting or other deposition techniques, while CAD systems can also be interfaced directly to traditional machining centres. The different techniques are further discussed.

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Speeding the process of art to part. (rapid prototyping)

Article Abstract:

Less expensive 3D output hardware and improved software are leading to advances in rapid prototyping. Improved CADCAM software can also produce prototypes rapidly using conventional machining technology. 3D Systems has introduced the Concept Modeller, a multi-jet using inkjet plotter technology, with achievable accuracy within 0.05mm. It uses one inkjet head to deposit thermoplastic building material, with the other supporting wax.

CAD-CAM systems

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