Page 53 - Microsoft PowerPoint - Rolling

53

   
L ave
µ h
2
+
1
  
flow
Y
Lw

⋅
15
Example 1.5
.
=1
(2-1.4)] 0.5 F roller Prof. Ramesh Singh, Notes by Dr. Singh/ Dr. Colton

Roller force: F = L w p ave

= [75 x = 6.7 mm = (h b +h f ) / 2 = 1.7 mm h ave / L = 1.7 / 6.7 = 0.25 < 1 friction is important

•L = (R∆h) 0.5 w = 10 mm ∴

• • •h ave