M.E. DEGREE EXAMINATION, JUNE 2010
ED9271 - RAPID PROTOTYPING AND TOOLING
(Common to M.E. Product Design and Development
and M.E-Computer Aided Design)
Time : Three hours Maximum : 100 Marks
Answer ALL Questions
PART A — (10 × 2 = 20 Marks)1. Give two critical applications of virtual prototyping.
2. List the steps involved in product development.
3. Name the materials suitable for FDM process.
4. State the limitations of LOM process.
5. Name any two products that can be made through 3-D printing.
6. What is laser sintering?
7. Define the term part orientation.
8. What is support structure design?
9. State classification of rapid tooling.
10. What is meant by soft tooling?
PART B — (5 × 16 = 80 Marks)
11. (a) Discuss the various stages in the development of RP systems highlighting
the merits and limitations.
(b) In detail explain the need of Rapid Prototyping and tooling in product
12. (a) Describe LOM process and discuss the effects of process parameters on
the quality of the final product.
(b) Explain the working principle and details of process parameters of an
13. (a) Discuss with diagrams the selective laser melting and electron beam
melting process. Compare and contrast these processes.
(b) Explain how SLS process can be used to produce direct and in-direct
14. (a) When is reverse engineering applied? In detail discuss the steps involved
in Reverse engineering.
(b) Explain the significance of part orientation; support generation and
slicing with reference to RPT.
15. (a) Explain the concept of Bridge tooling with a case study.
(b) Discuss how RPT can be used for the production of rapid tooling for
aerospace and electronic industries.