Homework Answers
Answer. c) 400MPa
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3 points A coil spring 5.5 cm in outside diameter made of 5 mm wire is...
2. A h elical compression spring is made of 302 stainless steel wire. The outside coil...
2. A h elical compression spring is made of 302 stainless steel wire. The outside coil diameter of the spring 1S 33.2 mm. The wire diameter is 2.8 mm. The ends are plain and ground, and there are total of 8.5 turns. Determine the deflection of the spring when it is subjected to a compression force of 10 N. In this condition, will the stress generated in the spring be beyond the maximum allowable torsional stress? (30 points)
Problem: A helical compression spring is made with music wire with wire diameter of 5 mm,...
Problem: A helical compression spring is made with music wire with wire diameter of 5 mm, mean coil diameter of 51 mm, a total of 12 coils, a free length of 127 mm, with squared ends. (a) Find the solid length. (b) Find the force necessary to deflect the spring to its solid length.
A close-coiled helical spring has a mean coil diameter 120 mm. A load of 4 kN...
A close-coiled helical spring has a mean coil diameter 120 mm. A load of 4 kN causes a deflection of 50 mm and a maximum stress of 500 MPa. Calculate 4.1. a) The wire diameter b) The number of coils c) The energy absorbed when subjected to the maximum load d) The spring stiffness 4.2. By use of a clearly labelled neat sketch, show that the deflection in a close-coiled 12] where Wis ; where W is the axial load...
QUESTION 1 A compression coil spring made of an alloy steel is having the following specifications:-...
QUESTION 1 A compression coil spring made of an alloy steel is having the following specifications:- Mean diameter of coil = 50 mm; Wire diameter = 5 mm; Number of active coils = 20; If the spring is subjected to an axial load of 164 N. Calculate the maximum shear stress (Neglect the curvature effect) to which the spring material is subjected. (units of MPa).
2. A helical compression spring is made from No. 8 steel wire and is to carry a 100 lb static load at a deflection of 1 inch. The outside coil diameter of the spring is 0.972 inches. The spring ends...
2. A helical compression spring is made from No. 8 steel wire and is to carry a 100 lb static load at a deflection of 1 inch. The outside coil diameter of the spring is 0.972 inches. The spring ends are squared. Assume the torsional yield strength of the wire is 80000 psi, and the shear modulus is 11.4 Mpsi, determine (a) The static load corresponding to the yield strength. (b) The deflection that would be caused by the load...
spring-2010 5. (a) A steel wire of diameter 0.60 mm and length 1.5 m. support A...
spring-2010 5. (a) A steel wire of diameter 0.60 mm and length 1.5 m. support A 5.0-kg mass. How much will the wire stretch under this load??Ystee-2x 1011 N/m2]
A helical compression srping is to be made of oil-tempered wire of 4 mm diameter with...
A helical compression srping is to be made of oil-tempered wire of 4 mm diameter with a spring index of C = 10. The spring is to operate inside a hole, so buckling is not a problem and the ends can be left plain. The free length of the spring should be 80 mm. A force of 50 N should deflect the spring 15 mm. Su = 1750 Mpa, allow for a 10% clash allowance and G = 79 GPa....
1. A closely coiled helical spring made of 15 mm diameter steel wire has 15 coils...
1. A closely coiled helical spring made of 15 mm diameter steel
wire has 15 coils of 110 mm mean diameter. The spring is subjected
to an axial load of 180 N. Calculate the maximum shear stress
induced in the spring. Assume modulus of rigidity is 78 GPa.
2. A solid circular bar ABC consists of two segments, as shown
in the figure. One segment has diameter d1= 65 mm and
length L1 = 1.54 m; the other segment has...
1- A helical compression spring is to be made of oil-tempered wire of 4-mm diameter with...
1- A helical compression spring is to be made of oil-tempered wire of 4-mm diameter with a spring index of C = 10. The spring is to operate inside a hole, so buckling is not a problem and the ends can be left plain. The free length of the spring should be 80 mm. A force of 50 N should deflect the spring 15 mm. (a) Determine the spring rate. (b) Determine the minimum hole diameter for the spring to...
1- A helical compression spring is to be made of oil-tempered wire of 4-mm diameter with...
1- A helical compression spring is to be made of oil-tempered wire of 4-mm diameter with a spring index of C = 10. The spring is to operate inside a hole, so buckling is not a problem and the ends can be left plain. The free length of the spring should be 80 mm. A force of 50 N should deflect the spring 15 mm. (a) Determine the spring rate. (b) Determine the minimum hole diameter for the spring to...
2. A h elical compression spring is made of 302 stainless steel wire. The outside coil diameter of the spring 1S 33.2 mm. The wire diameter is 2.8 mm. The ends are plain and ground, and there are total of 8.5 turns. Determine the deflection of the spring when it is subjected to a compression force of 10 N. In this condition, will the stress generated in the spring be beyond the maximum allowable torsional stress? (30 points)
Problem: A helical compression spring is made with music wire with wire diameter of 5 mm, mean coil diameter of 51 mm, a total of 12 coils, a free length of 127 mm, with squared ends. (a) Find the solid length. (b) Find the force necessary to deflect the spring to its solid length.
A close-coiled helical spring has a mean coil diameter 120 mm. A load of 4 kN causes a deflection of 50 mm and a maximum stress of 500 MPa. Calculate 4.1. a) The wire diameter b) The number of coils c) The energy absorbed when subjected to the maximum load d) The spring stiffness 4.2. By use of a clearly labelled neat sketch, show that the deflection in a close-coiled 12] where Wis ; where W is the axial load...
QUESTION 1 A compression coil spring made of an alloy steel is having the following specifications:- Mean diameter of coil = 50 mm; Wire diameter = 5 mm; Number of active coils = 20; If the spring is subjected to an axial load of 164 N. Calculate the maximum shear stress (Neglect the curvature effect) to which the spring material is subjected. (units of MPa).
2. A helical compression spring is made from No. 8 steel wire and is to carry a 100 lb static load at a deflection of 1 inch. The outside coil diameter of the spring is 0.972 inches. The spring ends are squared. Assume the torsional yield strength of the wire is 80000 psi, and the shear modulus is 11.4 Mpsi, determine (a) The static load corresponding to the yield strength. (b) The deflection that would be caused by the load...
spring-2010 5. (a) A steel wire of diameter 0.60 mm and length 1.5 m. support A 5.0-kg mass. How much will the wire stretch under this load??Ystee-2x 1011 N/m2]
A helical compression srping is to be made of oil-tempered wire of 4 mm diameter with a spring index of C = 10. The spring is to operate inside a hole, so buckling is not a problem and the ends can be left plain. The free length of the spring should be 80 mm. A force of 50 N should deflect the spring 15 mm. Su = 1750 Mpa, allow for a 10% clash allowance and G = 79 GPa....
1. A closely coiled helical spring made of 15 mm diameter steel
wire has 15 coils of 110 mm mean diameter. The spring is subjected
to an axial load of 180 N. Calculate the maximum shear stress
induced in the spring. Assume modulus of rigidity is 78 GPa.
2. A solid circular bar ABC consists of two segments, as shown
in the figure. One segment has diameter d1= 65 mm and
length L1 = 1.54 m; the other segment has...
1- A helical compression spring is to be made of oil-tempered wire of 4-mm diameter with a spring index of C = 10. The spring is to operate inside a hole, so buckling is not a problem and the ends can be left plain. The free length of the spring should be 80 mm. A force of 50 N should deflect the spring 15 mm. (a) Determine the spring rate. (b) Determine the minimum hole diameter for the spring to...
1- A helical compression spring is to be made of oil-tempered wire of 4-mm diameter with a spring index of C = 10. The spring is to operate inside a hole, so buckling is not a problem and the ends can be left plain. The free length of the spring should be 80 mm. A force of 50 N should deflect the spring 15 mm. (a) Determine the spring rate. (b) Determine the minimum hole diameter for the spring to...
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