required at the moment of reaching the yield point (ℇ = 0.002) b) Force required when you have a height of h = 30 mm c) Force required when there is a final height of h = 20 mm d) Construct the
required at the moment of reaching the yield point (ℇ = 0.002) b) Force required when you have a height of h = 30 mm c) Force required when there is a final height of h = 20 mm d) Construct the
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
A cylindrical ingot with D0 = 50 mm and h0 = 40 mm is cold forged using an open die.
The final height is 20 mm. The coefficient of form / friction between the die and the workpiece is
consider Kf = 1.10.
The material from which the ingot is made has the following characteristics:
K = 600 MPa and η = 0.12.
Determine the force (F) on the operation:
a) Force required at the moment of reaching the yield point (ℇ = 0.002)
b) Force required when you have a height of h = 30 mm
c) Force required when there is a final height of h = 20 mm
d) Construct the graphs: Force vs Δh and effort vs Δh
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