3
You visited us
3
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Other
Production
Wire Drawing Stress, Load and Power - I
An aluminium ...
Question
An aluminium wire is drawn from 14.5 mm to 12.2 mm diameter at a speed of 1.5 m/sec. Coefficient of friction between wire and dies is 0.12, semi die angle is
6
o
. Mean flow stress of aluminium is 200 MPa. Drawing load will be ____kN.
14.29
Open in App
Solution
The correct option is
A
14.29
Drawing stress,
σ
d
=
σ
0
(
1
+
B
)
B
[
1
−
(
r
0
r
1
)
2
B
]
B
=
μ
c
o
t
α
=
0.12
c
o
t
6
o
B
=
1.142
=
200
(
1
+
1.42
)
1.14
[
1
−
(
12.2
14.5
)
2
×
1.142
]
σ
d
=
122.28
M
P
a
drawing load
P
=
σ
d
×
π
4
d
2
0
=
122.28
×
π
4
×
(
12.2
)
2
P
=
14.29
k
N
Suggest Corrections
1
Similar questions
Q.
A steel wire is drawn from an initial diameter
(
d
i
)
of 10 mm to a final diameter
(
d
f
)
of 7.5 mm. The half cone angle
(
α
)
of the die is
5
∘
and the coefficient of friction
(
μ
)
between the die and the wire is 0.1. The average of the initial and final yield stress
[
(
σ
y
)
a
v
g
]
is 350 MPa. The equation for drawing stress
σ
f
. (in MPa) is given as:
σ
f
=
(
σ
y
)
a
v
g
{
1
+
1
μ
c
o
t
α
}
[
1
−
(
d
f
d
i
)
2
μ
c
o
t
α
]
The drawing stress (in MPa) required to carry out this operation is
(correct to two decimal places).
Q.
In a wire drawing operation, the diameter of a steel wire is reduced from 10 mm to 8 mm. The mean flow stress of the material is 400 MPa. The ideal force required for drawing (ignoring friction and redundant work) is
Q.
A steel wire is drawn from an initial diameter of 15 mm to a final diameter of 13.4 mm. The mean flow stress of steel is 400 MPa. The ideal force required for drawing is
Q.
A 10mm diameter annealed steel wire is drawn through a die at a speed of 0.5 m/s to reduce the diameter by 20%. The yield stress of the material is 800 MPa
Neglecting friction and strain hardening, the stress required for drawing (in MPa) is
Q.
A solid cylindrical stainless steel work piece of 200 mm diameter and 150 mm height. This component is reduced by 50% in height with flat die in open die forging. Assuming the flow stress of the material as 1000 MPa and the coefficient of friction to be 0.2, the estimated forging force at the end of the stroke is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Wire Drawing Stress, Load and Power - I
PRODUCTION
Watch in App
Explore more
Wire Drawing Stress, Load and Power - I
Other Production
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app