Metal Forming Analysis(Department Elective - I) — Summer 2025

Differentiate direct and indirect extrusion process

State difference between hot forming and cold forming process

Derive the formula for Rolling Load using Slab Method with usual notations

Explain need of metal forming processes in industries.

Explain Wire Drawing processes in brief.

Explain VonMises & Tresca theory of yielding.

Give short note on Two-Dimensional Mohr's circle method for stress analysis.

What do you understand by spring back in press working?

Explain Anistrophy in sheet metal.

Explain about importance of Upper bound and Lower bound theorem in metal forming.

Explain clearance in sheet metal operation.

Differentiate between punching and blanking.

Explain typical arrangement of roll & roll mills with neat sketches.

Define (1) Notching (2) Nibbling (3) Slitting, for pres work

How is impression die forging different from closed die forging?

Explain deep drawing process and forces in circular cup drawing with neat sketches.

Explain various Rolling defects

Explain friction board drop hammer for forging.

What is Drawability? List and Discuss factor Affecting to Drawability.

Explain Punching operation with neat sketch.

Discuss on materials used for making wire drawing dies.

With neat sketch explain the steps of close die forging process.

Define (i) dry drawing (ii) wet drawing (iii) tube drawing.

Discuss various Forging defects.

Explain in detail about Forming limit curve with a neat sketch.