Evolution of Machine Tools

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Presentation transcript:

Evolution of Machine Tools Machining with Manual Application of Power

Evolution of Machine Tools Machining with Manual Application of Power

Evolution of Machine Tools Machining with Manual Application of Power

Evolution of Machine Tools

Evolution of Machine Tools Machining with Manual Application of Power

Evolution of Machine Tools First Milestone: Application of Power

Evolution of Machine Tools Maudsley’s Screw Cutting Machine is second milestone in machine tools in which spindle and tool motion were synchronized

Evolution of Machine Tools Copying arrangement for Machining is third milestone in automation in which hard templates/masters were used to machine components.

Evolution of Machine Tools Copying Lathe

Evolution of Machine Tools

Evolution of Machine Tools In-process gauging is a fourth milestone

Evolution of Machine Tools CNC or Computer Numerical Control is a term derived from NC or Numerical Control. NC refers to Control of a process or automatic operation of a machine by using symbolic codes consisting of characters and numbers. NC was introduced in late 40’s to control machine tools such as Drilling and Milling machines. One of the first applications of NC machine tool was in production of helicopter rotor blades and ship propellers.

Evolution of Machine Tools John T Parsons introduced NC machine tools for which he was awarded a patent titled motor Controlled apparatus for positioning machine tool control (patent No: 2820187) Computer Numerical Control (CNC) is a term derived from NC or Numerical Control in 70s when micro-processor and computer based NC controlled machines were built.

Evolution of CNC Technology Tools First Application Initiative of US Air Force Opposition NC to CNC APT CAM Feature Based Machining STEP NC