P P = 70 kN - dị = 24 mr -dz = 16 mm d= 4 mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A steel punch consists of two shafts: upper
shaft and lower shaft. Assume that the upper shaft
has a diameter d1 = 24 mm and the bottom shaft has
a diameter d2 =16 mm. The punch is used to insert
a hole in a 4 mm plate, as shown in the figure. If a
force P = 70 kN is required to create the hole, what
is the average shear stress in the plate and the average
compressive stress in the upper and lower shaft of
the punch?

P
P = 70 kN
- dị = 24 mr
-dz = 16 mm
d= 4 mm
Transcribed Image Text:P P = 70 kN - dị = 24 mr -dz = 16 mm d= 4 mm
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