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Basic Mechanical Engineering by Pravin Kumar

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23

Unconventional Machining Processes

Chapter Objectives

In this chapter, you will learn about:

  • Abrasive jet machining (AJM)
  • Ultrasonic machining (USM)
  • Electrochemical machining (ECM)
  • Photochemical blanking (PCB)
  • Electro-discharge machining (EDM)
  • Electron beam machining (EBM)
  • Laser beam machining (LBM)
  • Plasma arc machining (PAM)
23.1  INTRODUCTION

Unconventional machining (UCM) process is completely non-mechanical. In this process, there is no chip formation. Melting and evaporation of unwanted metal or removal of the metal in the form of powder due to brittle fracture of the metallic layers performs machining operation. These processes are used for machining of difficult profile and for very hard materials.

23.1.1  Main Characteristics ...

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