![[10] The free length of a helical spring with closed ends is 4 inches and its spring constant is 50 lbs/in. The spring has a total of 10 coils and a wire diameter of 0.125 inch. If the maximum working force is 100 lbs, the fractional overrun to closure is closest to: a. 0.15 b. 0.23 c. 0.31 d. 0.42 e. None of these](http://img.homeworklib.com/questions/7635cf30-9c0c-11ec-a778-ebc828c769fb.png?x-oss-process=image/resize,w_560)
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[10] The free length of a helical spring with closed ends is 4 inches and its...
A helical compression spring is to have an installation length of 3 inches. The spring is...
A helical compression spring is to have an installation length of 3 inches. The spring is to have a length of 2 inches at maximum working force. The spring forces are to be 10 lbs at installation length and a maximum working force of 50 lbs. If the shut or solid (fully compressed) length of the spring is 1.5 inches, what force (in Ibs) compresses the spring to solid length? 7. b) 60 e) None of these d) 70 a)...
8. A helical compression spring is made of HD (A227) and has a spring constant of 4.25 lbs per inch. If the wire di...
8. A helical compression spring is made of HD (A227) and has a spring constant of 4.25 lbs per inch. If the wire diameter is 0.1 inch and the coil mean diameter is 1.5 inch, what is the number of active coils: b) 9 a) 8 c) 10 d) 11 e) None of these
8. A helical compression spring is made of HD (A227) and has a spring constant of 4.25 lbs per inch. If the wire diameter is 0.1...
1) [60 pts] Helical Compression Spring A helical compression spring is wound using music wire of...
1) [60 pts] Helical Compression Spring A helical compression spring is wound using music wire of diameter, d, 2.64 mm. The spring has an outside diameter, OD, of 33 mm with plain ground ends and 14 coils. a) Estimate the spring rate. The spring rate is N/mm. b) What is the force needed to compress this spring to closure assuming that the spring will reach its shear strength at its solid length? The force needed to compress this spring to...
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...
mechanical engg
A helical-coil compression spring is to be designed to exert a static force of 100 lb when the spring is compressed 2.0 inches. The spring must fit inside a cylindrical hole. The following information is given for your calculation. Spring index, C Clearance between the spring and the hole Diameter of the hole, dhole Fractional overrun to closure, ? 10 0.25 inch 2.25 inches 0.15 The spring is made of music wire A228 with m = 0.145 and A =201...
A stock helical-coil compression spring has a total of 14 coils, both ends squared and ground,...
A stock helical-coil compression spring has a total of 14 coils, both ends squared and ground, a free length of 1.25 in, and an outside coil diameter of 7/16 (0.438) in giving the number of active coils, Ng=12. The material is hard- drawn wire 0.042-inch in diameter and S=259,000 psi. The operating forces are Fmin=1.5 lb and Fmax=3.5 lb. F VUONI 0.438 in N=14 coils 0.042-in dia 1.25-in free length Note, choose one or more than one of the following...
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.
Problem. (20 points) A helical compression spring will be used in a pressure relief valve. When...
Problem. (20 points) A helical compression spring will be used in a pressure relief valve. When the valve is closed the spring leneth is 50 mm, and the spring force is to be 7 N. The spring uses a wire diameter of d 1.5 mm and a mean spring diameter of D = 10 mm, and has a solid length ofl.- 30 mm. Use hard-drawn ASTM A227 wire, squared and ground ends, and ignore buckling since the spring is in...
A compression spring has 20 coils with squared and ground ends, a free length of 1.25...
A compression spring has 20 coils with squared and ground ends, a free length of 1.25 in. and an outside diameter of 0.281 in. It is made of music wire with a diameter of .035 in. What is the spring rate (k) of the spring? What is the stress in the spring if compressed to solid height?
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...
A helical compression spring is to have an installation length of 3 inches. The spring is to have a length of 2 inches at maximum working force. The spring forces are to be 10 lbs at installation length and a maximum working force of 50 lbs. If the shut or solid (fully compressed) length of the spring is 1.5 inches, what force (in Ibs) compresses the spring to solid length? 7. b) 60 e) None of these d) 70 a)...
8. A helical compression spring is made of HD (A227) and has a spring constant of 4.25 lbs per inch. If the wire diameter is 0.1 inch and the coil mean diameter is 1.5 inch, what is the number of active coils: b) 9 a) 8 c) 10 d) 11 e) None of these
8. A helical compression spring is made of HD (A227) and has a spring constant of 4.25 lbs per inch. If the wire diameter is 0.1...
1) [60 pts] Helical Compression Spring A helical compression spring is wound using music wire of diameter, d, 2.64 mm. The spring has an outside diameter, OD, of 33 mm with plain ground ends and 14 coils. a) Estimate the spring rate. The spring rate is N/mm. b) What is the force needed to compress this spring to closure assuming that the spring will reach its shear strength at its solid length? The force needed to compress this spring to...
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...
A stock helical-coil compression spring has a total of 14 coils, both ends squared and ground, a free length of 1.25 in, and an outside coil diameter of 7/16 (0.438) in giving the number of active coils, Ng=12. The material is hard- drawn wire 0.042-inch in diameter and S=259,000 psi. The operating forces are Fmin=1.5 lb and Fmax=3.5 lb. F VUONI 0.438 in N=14 coils 0.042-in dia 1.25-in free length Note, choose one or more than one of the following...
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.
Problem. (20 points) A helical compression spring will be used in a pressure relief valve. When the valve is closed the spring leneth is 50 mm, and the spring force is to be 7 N. The spring uses a wire diameter of d 1.5 mm and a mean spring diameter of D = 10 mm, and has a solid length ofl.- 30 mm. Use hard-drawn ASTM A227 wire, squared and ground ends, and ignore buckling since the spring is in...
A compression spring has 20 coils with squared and ground ends, a free length of 1.25 in. and an outside diameter of 0.281 in. It is made of music wire with a diameter of .035 in. What is the spring rate (k) of the spring? What is the stress in the spring if compressed to solid height?
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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