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(PDF) -Design of CNC Machine Tools | Roman Dvorak - www.-


-Design of CNC Machine Tools Roman Dvorak Short view to the historyThe essential ideas of industrial engineering (IE) were put in practice and in the educational process by such personalities like F. W. Taylor, W. Shewhart and H. Ford are and it was done already since from the first mid 19th century. Machines Using CNC Early machine tools were designed so that the operator was standing in front of the machine while operating the controls. This design is no longer necessary, since in CNC the operator no longer controls the machine tool movements. On conventional machine tools, only about 20 percent of the time was spent remov-ing material. Introduction to Computer Numerical Control Manufacturing 3 h s OR NC pr d f ma ure 2 al it(MCU) p (opti onal) d is,. d e t e d r 6 s 4 3 5 n s, s) 1 t FIGURE Components of modern CNC systems. FIGURE A modern machine control unit. (Photo courtesy of Dejan Lazarevic/www.- ).








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