March 9, 2010


2007 Anna University B.E Mechanical ME1001-UNCONVENTIONAL MACHINING PROCESS Question paper

Seventh semester ,Mechanical engineering


( Common to Mechanical Engineering and Production Engineering)

Time: 3 hours
Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. (a) Write a note on tool wear in ultrasonic machining process. [8]

(b) Explain the economic factors considered while selecting the ultrasonic machining process. [8]

2. (a) Explain Abrasive Jet Machining (AJM) with suitable diagram. [8]

(b)With a suitable sketch explain the tooling arrangement to produce one of the products for aircraft industry. [8]

3.(a)What are the various advantages of using ECM? [8]

(b)What are the various advantagesAbrasive Jet Machining (AJM) [8]

4.Describe the advantages and limitations of power supply with rotary impulse generator circuit used in EDM. [8+8=16]

5.(a) What is plasma? How it can be used for material processing? [3+5]

(b) What are the different types of plasmotrons used in material cutting applications? [8]

6.(a) Discuss the factors influencing the choice of electrode material in EDM? [8]

(b) How the surface finish and accuracy of machining are influenced by the process parameters in EDM? [8]

7. What types of defects are observed in unconfined explosive forming? What are thereasons for them? What remedies are suggested by you to avoid these defects? [4+6+6]

8. What types of defects are observed in unconfined explosive forming? What are thereasons for them? What remedies are suggested by you to avoid these defects?



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