Manufacturing Processes II Assignment No 1

MANUFACTURING PROCESSES - II

ASSIGNMENT NO – I

Topic:Metal forming

Date of issue: 20^th Jan, 2012                                                           Last date of Submission: 27^th Jan, 2012

1.      How the grains size deforms in hot & cold rolling processes? Explain in detail.

2.      What is angle of bite? On what factors the angle of bite depends? Also explain its importance in rolling process.

3.      What is high velocity forming? Why it is called so? Explain their types.

4.      Explain Various defects, causes & their remedies of the following :-

a.       Rolling

b.      Forging

c.       Drawing

d.      Extrusion

5.      Differentiate the following:-

a.       Open die and closed die forging

b.      Press and drop forging

c.       Forward and backward extrusion

d.      Hot, Cold and warm working.