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computer-aided manufacturing

computer-aided manufacturing (CAM), a form of automation where computers communicate work instructions directly to the manufacturing machinery. The technology evolved from the numerically controlled machines of the 1950s, which were directed by a set of coded instructions contained in a punched paper tape. Today a single computer can control banks of robotic milling machines, lathes, welding machines, and other tools, moving the product from machine to machine as each step in the manufacturing process is completed. Such systems allow easy, fast reprogramming from the computer, permitting quick implementation of design changes. The most advanced systems, which are often integrated with computer-aided design systems, can also manage such tasks as parts ordering, scheduling, and tool replacement.

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computer-aided manufacturing

computer-aided manufacturing (CAM) A set of techniques which integrate various subtechniques that can be used in computer control or process control for various forms of manufacturing. Computer-aided manufacturing implies the integration of all aspects of manufacturing systems within the factory, i.e. the use of computer techniques not only for process control but also for aspects such as automatic ordering of materials, predicting material usage, factory scheduling, inventory control, predicting machine changeover, and projecting manpower requirements. Computer-aided manufacturing is particularly important as it follows naturally from computer-aided design. See also computer-integrated manufacturing, numerical control, computer-aided testing.

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