CIM Diffusion: The Case of NC-Machines in the U.S. Metalworking Industry

Tchijov, I. (1987). CIM Diffusion: The Case of NC-Machines in the U.S. Metalworking Industry. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-87-077

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Abstract

Analysis and forecasting of NC-machine diffusion constitute one of the main activities of the IIASA Project "Computer Integrated Manufacturing" (CIM). Numerically controlled (NC) machines represent the first stage of flexible automation in the metalworking industry. NC-machines were developed in the early 1950s and became available commercially in 1955. Currently, they account for 5% of the total number of machine tools installed. Their share of production output is mare than 50% by value.

The author has analyzed past development trends of the U.S. metalworking industry in detail and he estimated the fractional NC-machine penetration by industry and by type of machine tools. The statistical results (and forecasts) are given in this paper.

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