A Propitious Marriage: CAD and Manufacturing

Article Abstract:

Computer-aided design (CAD) offers manufacturers increased design productivity, reduces prototyping by using three-dimensional modeling and easily transfers information from the designer to the manufacturer. Three-D modeling with solid and wire models has invaded mechanical engineering and can be linked to manufacturing operations. Ingersoll, a West German machine-tool company, uses a Cadam (Computer-augmented drafting and manufacturing) system for custom design of products. The increased productivity potential of CAD systems may not be fully realized but a case history illustrates a productivity increase using a CAD system. Screen displays of three-D graphics as well as a block diagram of the Northrup computer-aided design (NCAD) system are included.

Manufacturing, Computer aided design, Automation, Three dimensional graphics, Modeling, Data modeling software, Integrated Systems, CAD/CAM, Three-Dimensional Graphics, Computer-Aided Design, Solids Modeling, Solid models, Ingersoll

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Technology and Society: A Complex Marriage

Article Abstract:

The next-generation of computers will produce changes in society that can only be studied through the use of an analytical approach. The social changes depend on how technologies are integrated into everyday life. Social values of new technologies should be viewed realistically and not overstated.

Technological forecasting, Expert systems, Social conditions, Future Technologies, Future of Computing, Social Issue

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Mixed marriage

Article Abstract:

The importance of vacuum tubes for musical instrument amplifiers is examined.

United States, Household audio and video equipment, Electron Tube Manufacturing, Electron tubes, Receiving Tubes, Usage, Consumer electronics industry, Design and construction, Technology application, Vacuum-tubes, Musical instrument amplifiers, Vacuum tubes

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