Introduction:
Definition and need for NTM process, difference between NTM and TM, Classification of NTM, Process selection and comparative study of different processes.Ultrasonic Machining (USM) – Introduction, Mechanism of metal removal, elements of process, Tool feed mechanism, Effect of process parameter, Advantages, Disadvantages and Applications.Abrasive Jet Machining (AJM): Introduction, working Principles, Effect of Process parameters /Variables, Advantages, Disadvantages and Applications.
Electric Discharge Machining (EDM)-
Introduction and mechanism of metal removal, types of EDM, basic EDM circuitry-spark erosion generators – Relaxation generator or R-C circuit, material removal rate in relaxation circuits, critical resistance, Die electric fluids, Flushing, Electrodes and its material selection, surface finish and machining accuracy, Advantages, Disadvantages and Applications. Electro Discharge Grinding (EDG) and Wire EDM.
Electro Chemical Machining:
Definition and working principal, Elements of ECM process, Chemistry of the ECM process, Process parameters, determination of the metal removal rate, Advantages, Disadvantages and Applications. Electro Chemical Grinding. Chemical Machining: Introduction and mechanism of metal removal, Elements of process – Maskants or Resists and Etchants, Advantages, Disadvantages and Applications.
Plasma arc Machining:
Introduction, Plasma, Generation of Plasma and equipment, Mechanism of metal removal, PAM parameters, type of torches. Electron Beam Machining (EBM): Introduction and working principle of EBM, Equipment for production of Electron beam (Electron gun), Theory of electron beam machining - Thermal & Non thermal types, Advantages, Disadvantages and Applications.
Laser Beam Machining (LBM):
Introduction and working principle of LBM, generation of laser, Laser Equipment (Apparatus), Types of Lasers, Process characteristics, Advantages, Disadvantages and ApplicationsHigh Velocity Forming (HVF) process: introduction, Advantages of HVF process, Types of high velocity forming methods - explosive forming, electromagnetic forming