The DUCT package of programs for the computer aided design and manufacture of objects with doubly-curved three-dimensional surfaces is described. Recent developments enable a designer to define the shape of a surface readily, to analyse the shape to find split lines, surface areas, enclosed volumes, etc.,and to cut the surface on an n.c. machine tool. The DUCT package is implemented by Control Data on their international time-sharing bureau, and also by the Delta Metal Co.Ltd. on their own Prime 300 computer.
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- The Duct System of Design and Manufacture for Patterns, Moulds and Dies
B.Eng. A. R. Johnson
MA,Ph.D D. P. Sturge
- Palgrave Macmillan UK
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