Rapid Prototyping — Summer 2023

Briefly explain the need for rapid prototyping.

Discuss the evolution of RP systems indicating the history and their growth rate in the industrial sector.

Compose the principles behind stereo litho sintering process. Briefly explain the materials used in stereo litho sintering.

List the various types of solid models and explain constructive solid geometry model.

What is Data interfacing formats? and abbreviate the followings: STL, LEAF, IGES, STEP.

Explain the significance of part orientation, support generation & slicing with reference to RPT.

What is axis designation? Explain its importance in context with RP Machines.

Discuss about photo polymerization.

Distinguish the following process: FDM, LOM, SGC and SLS.

Describe the principle of working of Stereo lithography system. What are its applications?

Differentiate SLA and SLS in rapid prototyping.

With neat sketches explain solid ground curing process and its advantages

Explain the working principle and details of FDM.

Can rapid prototype parts be made of paper? Explain.

List out the various surface digitizing techniques in rapid prototyping and explain any one of the techniques.

Discuss about the influence of various factors in determining the part building error and data preparation error.

What is meant by data preparation error?

Write short note on: Surface digitizing

Explain the effect of part building, part finishing and part deposition orientation on accuracy of rapid prototyping model.

Explain rapid tooling.

Write a note on: Reverse Engineering

List out the various indirect rapid tooling methods and explain about the silicon rubber tooling.1

Differentiate between soft and hard tooling.

Explain with an example the application of RP in Bio-Medical industry

With a neat sketch explain the following methods of tooling techniques: Sand casting tooling and Laminate tooling