Metal Forming Technology — Winter 2019

Explain 1.bloom 2.Billet 3.Slab

Explain Recrystallisation Temperature and how it is related to Hot & Cold working process.

Explain the classification Metal forming process and Define what is Hot and Cold working.

Name different types of operations involved in forging.

What Is The Necessity Of Surface Treatment Process In Sheet Metal Components? Name some heat treatment methods which are suitable for sheet metal components.

Explain closed die forging process with neat sketch and state its advantages.

Explain hydrostatic extrusion and Impact extrusion with neat sketches.

Name different types of Forging allowances.

What Is K-factor In Sheet Metal Fabrication?

Explain the Geometry of Rolling process with neat diagram.

Write a short note on Metal Spinning process.

Explain different types of Metal flow in extrusion when square dies are used.

How the force required for Extrusion is calculated? What are factors effecting extrusion force? What are the disadvantages of hot extrusion?

Write a short note on stretch forming.

What is Drawablity, Limit Drawing ratio and what are the factors affecting Drawability?

Explain Explosive forming technique and mention how to calculate the peak pressure developed because of shock wave.

Explain Drawing Ratio and Reduction

Write a short on tube drawing process with neat sketch

Explain Deep Drawing Process with neat sketch and mention the formula to calculate the max punch force required for operation.

Explain extrusion Ratio.

What is Spring back and explain how the force required for bending is calculated.

Explain Electromagnetic forming with necessary diagrams and state its advantages and applications.

What is press Brake forming

Explain the following defects 1. Wrinkling 2. Orange peel 3. Stretcher grains 4.Earring.

Explain Electro hydraulic forming with necessary diagrams and state its advantages and applications