INTERVIEW QUESTIONS OF CENTRE LATHE & SPECIAL PURPOSE LATHES

PART-A

1. What is swing diameter?

2. Write the specification of a typical lathe.

3. Write down the names of any four lathe accessories.

4. What is the application of air operated chuck?

5. Define the term “Concity”.

6. Write down the formula for calculating taper turning angle by compound rest method.

7. Define the term „Thread catching‟.

8. Define automatic machine.

9. State the principal of multi spindle automats.

10. Classify multi spindle automats.

PART-B

1. Sketch a center lathe and mention various parts. .

2. List various type of feed mechanisms and explain briefly about tumbler gear reversing mechanism with a sketch.

3. Explain taper turning operation i n a lathe by a taper turning attachment .Discuss its advantages.

4. Explain the following methods of taper turning i n a lathe.

5. (i) By swiveling the compound rest.

(ii) By a taper turning attachment.

6. Explain the Working principle of capstan and turret lathes.

7. Explain the tooling layout for the production of a Hexagonal bolt in a capstan lathe.

8. Discuss the tooling layout for the production of a Hexagonal nut in Turret lathe.

9. Classify transfer machines. Sketch and explain the working of Swiss type automatic screw machine. What are the advantages of automatic machines?

10. Describe a typical single spindle automatic chucking machine.

11. Describe a typical single spindle automatic bar machine

12. Differentiate between parallel action and progressive action multi -spindle automatics.

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