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1. A helical compression spring has the following characteristics Wire diameter Outside diameter ...
1. An existing helical-coil compression spring is wound from unpeened music wire with a diameter of...
1. An existing helical-coil compression spring is wound from unpeened music wire with a diameter of d= 0.105". The mean diameter of the spring is D- 0.80" as shown. The applied load fluctuates between 0 and 25lb. A design life of 10 cycles is desired. We also know that 0.577Su for this music wire. Determine the existing factor of safety for this spring n2.0 (Hint: check both fatigue and yielding) D = 0.80 in
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of...
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of Po-102 N when compressed to a length of lo=44 mm. When its length is 1=76 mm, it must exert a force of P=22 N. The spring will be cycled rapidly, with severe service required. Use ASTM A401 steel wire. The factor of safety, η, need to be larger than 1.5. Starting with a spring index of 9,...
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...
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 compression spring is needed to fit within a 1-in diameter hole. To allow for some clearance, the outside diameter of the spring is to be no larger than 0.9 in. To ensure a reasonable coil, use a s...
A compression spring is needed to fit within a 1-in diameter hole. To allow for some clearance, the outside diameter of the spring is to be no larger than 0.9 in. To ensure a reasonable coil, use a spring index of 8. The spring is to be used in a machine by compressing it from a free length of 2 in to a solid length of 0.6667 in. The spring should have squared ends, and should be unpeened, and is...
2. A helical compression spring is to be designed as shown in Fig Q2. The spring...
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of Po-102 N when compressed to a length of lo-44 mm. When its length is I-76 mm, it must exert a force of P-22 N. The spring will be cycled rapidly, with severe service required. Use ASTM A401 steel wire. The factor of safety, η, need to be larger than 1.5. Starting with a spring index of 9,...
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of...
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of Po-102 N when compressed to a length of lo-44 mm. When its length is I-76 mm, it must exert a force of P-22 N. The spring will be cycled rapidly, with severe service required. Use ASTM A401 steel wire. The factor of safety, η, need to be larger than 1.5. Starting with a spring index of 9,...
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.
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...
1. An existing helical-coil compression spring is wound from unpeened music wire with a diameter of d= 0.105". The mean diameter of the spring is D- 0.80" as shown. The applied load fluctuates between 0 and 25lb. A design life of 10 cycles is desired. We also know that 0.577Su for this music wire. Determine the existing factor of safety for this spring n2.0 (Hint: check both fatigue and yielding) D = 0.80 in
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of Po-102 N when compressed to a length of lo=44 mm. When its length is 1=76 mm, it must exert a force of P=22 N. The spring will be cycled rapidly, with severe service required. Use ASTM A401 steel wire. The factor of safety, η, need to be larger than 1.5. Starting with a spring index of 9,...
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...
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 compression spring is needed to fit within a 1-in diameter hole. To allow for some clearance, the outside diameter of the spring is to be no larger than 0.9 in. To ensure a reasonable coil, use a spring index of 8. The spring is to be used in a machine by compressing it from a free length of 2 in to a solid length of 0.6667 in. The spring should have squared ends, and should be unpeened, and is...
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of Po-102 N when compressed to a length of lo-44 mm. When its length is I-76 mm, it must exert a force of P-22 N. The spring will be cycled rapidly, with severe service required. Use ASTM A401 steel wire. The factor of safety, η, need to be larger than 1.5. Starting with a spring index of 9,...
2. A helical compression spring is to be designed as shown in Fig Q2. The spring is required to exert a force of Po-102 N when compressed to a length of lo-44 mm. When its length is I-76 mm, it must exert a force of P-22 N. The spring will be cycled rapidly, with severe service required. Use ASTM A401 steel wire. The factor of safety, η, need to be larger than 1.5. Starting with a spring index of 9,...
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.
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...
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