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CAD/CAM: Computer-Aided Design and Manufacturing by JR. - Department of Industrial Engineering, Lehigh University Emory W. Zimmers,, Mikell P. Groover

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Chapter 9Computer Controls in NC

9.1 Introduction

The evolution of numerical control technology has been closely related to and dependent on the development of computer technology. In Chapter 8 we examined the use of computers in NC part programming. As a practical matter, it would not be possible to carry out the part programming function for many part designs without computer-assisted part programming. In addition, the computer is being used to refine and improve the NC part programming procedure through such technologies as interactive graphics and voice programming.

Use of the digital computer has also permitted substantial improvements to be made in the controls for NC. In this chapter we discuss three NC-related control topics:

1. Computer ...

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