Rapid Prototyping — Winter 2023

Define additive manufacturing.

Differentiate between conventional prototyping and rapid prototyping.

Give classification of Rapid prototyping with suitable examples.

Write full form of (i) STL (ii) IGES (iii) STEP related to CAD file formats.

Differentiate between direct slicing and adaptive slicing.

Write short note on: Part orientation and support generation.

Explain the validity checks and repair procedures for CAD file conversions with suitable examples.

What is slicing of CAD model? Explain with suitable example.

Briefly explain the physics of photopolymerization process.

Explain advantages and disadvantages of Stereolithography process.

What is tessellation in CAD modelling?

Explain tooling for Ultrasonic Consolidation process.

Explain Selective Laser Sintering process with neat sketches.

Explain the principle of laminated object manufacturing process.

Write applications, advantages and disadvantages of Laminated object manufacturing process.

Explain the Fused Deposition modelling process with neat sketches.

Explain the principle of Beam deposition RP processes.

Write applications and advantages of Beam deposition RP processes.

Explain the Laser Engineering Net Shaping (LENS) process with neat sketches.

‘Usually RP parts need the finishing processes’ Justify.

Briefly explain the post-processing errors in RP processes.

Explain various part building errors in RP with suitable examples.

What is Rapid tooling? Explain with suitable example.

Give comparison of Powder Based Fusion RP and Extrusion based RP.

Write short note on: Reverse Engineering.