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Analysis of extrusion - Nptel

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NPTEL - Mechanical Engineering - Forming

Joint Initiative of IITs and IISc – Funded by MHRD Page 1 of 3

Analysis of extrusion

R. Chandramouli

Associate Dean-Research

SASTRA University, Thanjavur-613 401

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NPTEL - Mechanical Engineering - Forming

Joint Initiative of IITs and IISc – Funded by MHRD Page 2 of 3

Table of Contents

1.Quiz – Key ... 3

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NPTEL - Mechanical Engineering - Forming

Joint Initiative of IITs and IISc – Funded by MHRD Page 3 of 3

1.Quiz – Key

1. Define redundant work.

It is the work spent for shear deformation of the billet when it passes through the extrusion die.

2. What is the effect of redundant work on extrusion pressure?

Total extrusion pressure increases due to shear deformation.

3. Define extrusion efficiency.

It is the ratio of ideal extrusion work to actual extrusion work.

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