Rapid Prototyping — Summer 2024

Differentiate additive and subtractive manufacturing processes.

Give classification of Rapid Manufacturing processes.

Explain the complete process of Reverse Engineering with a suitable example.

Write full form of CAD data formats: (i) STL, (ii) LEAF, (iii) IGES

Differentiate between direct and adaptive slicing.

Why part orientation and support generation is important for rapid prototyping? Explain with suitable examples and neat sketches.

Explain the validity checks and repair procedures used for CAD data conversion for rapid prototyping with suitable example.

What is micro-stereolithography?

Explain the photopolymerization process used for Stereolithography with a neat sketch.

Write advantages, limitations and applications of Fused Deposition Modelling process.

Define Laminated Object Manufacturing (LOM).

Discuss in brief about various materials used for LOM.

Compare Selective Laser Sintering, 3D Printing and LOM processes used for Rapid prototyping.

Write applications of 3D Printing process.

Briefly explain the process physics of Ultrasonic Consolidation process.

Write short note on: Laser Engineered Net Shaping.

Write applications of Ultrasonic Consolidation process.

Explain the process physics of Selective Laser Sintering process with a neat sketch.

Write short note on: Tooling for rapid prototyping processes.

List the materials used for photopolymerization process.

Explain various errors that may occur during part building phase in rapid prototyping.

Explain various stages of rapid prototyping process with neat sketches.

List the materials used for 3D printing process.

Explain various post-processing errors in rapid prototyping process.

Discuss various part building errors in SLA & SLS process.