1 | ABSTRACT | | 2 | ABBREVIATION | | 3 | INTRODUCTION TO NC AND CNC | 4 | 4 | HISTORY | 7 | 5 | CNC SYSTEM ELEMENTS | 10 | 6 | WORING ON CNC MACHINES | | 7 | BASIC CONCEPTS OF PART PROGRAMMING | 16 | 8 | TYPES OF CNC MACHINES | 18 | 9 | PROPERTIES OF CNC MACHINES | 20 | 10 | DRILLING AND TAPPING ON CNC | 35 | 11 | APPLICATIONS OF CNC MACHINES | 49 | 12 | ADVANTAGES AND DISADVANTAGES OF CNC | 51 | 13 | CONCLUSION | 52 |
LIST OF FIGURES PAGE NO 1 | Hydrotel Milling Machine | 5 | 2 | Chiron CNC Machine | 5 | 3 | CNC Lathe Machine | 6 | 4 | CNC elements block diagram | 10 | 5 | Point to Point tool path | 11 | 6 | Contour Tool Path | 12 | 7 | Continuous path tool movements | 18 | 8 | Continuous path controllers | 19 | 9 | Schematic Illustrations of components(a)An open loop(b)A closed loop control | 19 | 10 | CNC Lathe | 21 | 11 | CNC Grinders | 21 | 12 | CNC Drilling | 22 | 13 | CNC Boring machine | 22 | 14 | Electrical Discharge Machines (EDM) | 23 | 15 | Laser cutting machine tools | 23 | 16 | Flat bed CNC Lathe | 25 | 17 | Slant bed CNC Lathe | 25 | 18 | CNC Tool Turrent | 26 | | | | | | | | | | | | | 28 | Different tools in Drilling machines | 26 | 20 | Tool Holders | 27 | 21 | CNC with Fanuc control | 28 | 22 | CNC setter | 29 | 23 | Override Speed setter | 31 | 24 | CNC Backlash | 32 | 25 | Sensitive Drilling machine | 37 | 26 | Radial drilling machine | 38 | 27 | Up-right Drilling machine | 38 | 28 | Drill materials | 39 | 29 | Tool nomenclature | 40 | 30 | Tool holding devices | 41 | 31 | Various operations of