Introduction to Additive Manufacturing — Summer 2022

Define the additive manufacturing Process. How is it different from subtractive manufacturing?

Enlist the various stages an additive manufacturing process.

What are the advantages and limitations of an Additive manufacturing process? Enlist any five application areas of AM.

Classify the AM process based on raw material used.

Write a short note on the future opportunities of AM processes.

What are the major considerations in assessing the economic feasibility of a proposed AM product?

Describe in detail the RP benchmarking methodology.

Enlist the various Liquid based AM Processes.

What are the various process parameters in a Stereolithography Process (SL)?

With help of a figure explain the Process Principle and working of a Stereolithography AM process.

Explain why two photo initiators are needed in most commercial SL resins.

Classify the various Stereolithography machines.

Explain the principle and working of MultiJet printing.

Enlist various Powder based AM processes.

Enlist the various materials used in Powder based AM Processes.

Explain the advantages, limitations and application of Powder based AM processes.

Describe the principle of the Selective Laser Sintering process.

Explain the basic process of sintering.

Describe the working of Electron Beam Melting process with a neat sketch.

Classify the solid based AM Processes

What the various types of materials used in Fused Deposition modeling (FDM)?

Explain the process Principal of FDM Process with a neat sketch.1

What are the advantages of solid based AM Processes?

Compare the Liquid, Powder, and Solid based AM Processes on the basis of strength of part manufactured.

Explain the process Principal of Laminated object Manufacturing (LOM) Process with a neat sketch.