Chapter 13 Flashcards
1
Q
Name rollings
A
Flat - reduce thickness
Shape - square cross section made
Make i beams
2
Q
Calc reduction
A
t0 - tf / t0
3
Q
Shape rolling products
A
Rails for railroad tracks
4
Q
Rolling mills trend
A
3 high better than 2 high since faster.
4 high and cluster mill accurate
tandem rolling directional rolling
5
Q
Thread rolling adv(4)
A
HIgher production rates
Better material utilization
Stronger threads and better fatigue resistance
Mass production
6
Q
Ring rolling products
A
Steel tires for railroad wheels
7
Q
Name defects in rolling (4)
A
Waviness, edge cracking, zipper cracks, and aligatoring
