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Manufacturing Automation, Second Edition by Yusuf Altintas

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CHAPTER FIVE

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TECHNOLOGY OF MANUFACTURING AUTOMATION

5.1 INTRODUCTION

Numerically controlled (NC) machine tools were developed to fulfill the contour-machining requirements of complex aircraft parts and forming dies. The first NC machine tool was developed by Parsons Company and MIT in 1952 [63]. The first-generation NC units used digital electronic circuits and did not contain any actual central processing unit; therefore, they were called NC or hardwired NC machine tools. In the 1970s, computer numerically controlled (CNC) machine tools were developed with minicomputers used as control units. With the advances in electronics and computer technology, ...

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