Computer numerical control: Difference between revisions

Revision as of 17:17, 20 February 2005

Revision as of 19:53, 1 March 2005

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'''Numerical control''' or '''numerically controlled''' ('''NC''') [[machine tool]]s are machines that are automatically operated based on numbers that are fed into them. NC machines were first developed soon after [[World War II]] and made it possible for objects to be precisely [[machining|machined]] in exactly the same way in a repeated fashion. These early machines were often fed instructions punched onto [[paper tape]] or [[punch card]]s. In the [[1960s]], NC machines largely gave way to [[CNC]], or [[computer]] numerical control, machines.

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