4.5 Model questions

Electro discharge machining (EDM)

  1. Q1. In EDM, which factors influence the generated spark?
  2. Q2. Explain different phenomena occur in the spark gap during machining.
  3. Q3. Discuss about the different variants of EDM system.
  4. Q4. Explain the nature of waveform in pulse generator circuit for EDM.
  5. Q5. Explain the role of ignition delay during spraking in pulse generator circuit
  6. Q6. What should be the ratio of breakdown voltage to supply voltage if the power delivery through the circuit is maximum in RC circuit.
  7. Q7. Identify nature of energy distribution in the gap and which one is most responsible for metal removal?
  8. Q8. In EDM, what are the reasons for using graphite electrode?
  9. Q9. What do you understand by (ii) wear ratio, ...

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