TY - BOOK AU - El-Midany,Tawfik T. AU - Al-Makky,Mohammed Y. TI - Introduction to numerical control of machine tools U1 - 621.9023 21 PY - 1994/// CY - Cairo PB - Academic Bookshop KW - Machine-Tools KW - Numerical Control N1 - Includes bibliographical references; Introduction to numerical control of machine tools -- coordinate system and basic components of NC system -- the numbers that NC machine tools understand -- types of NC systems -- part programming term and definitions -- cutter diameter compensation -- step-by-step for writing part programs -- NC justification economics and advantages -- case studies --appendices -- Bibliography ER -