design a helical torsion
Design a helical torsion spring for severe service using stainless steel wire, ASTM A313. type 302, to exert a torque of 12.0 Ib in after a deflection of 270° from the free condition. The outside diameter of the coil should be no more than 1.250 in. Specify the diameter of a rod on which to mount the spring.
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design a helical extention
Design a helical extension spring for average service using stainless steel wire, ASTM A313, type 302, to exert a maximum force of 162 lb at a length of 10.80 in. The spring rate should be 38.0 lb/in. The outside diameter should be approximately 1.75 in.
Design an infinite-life helical coil extension spring with full end loops and generous loop-bend radii for...
Design an infinite-life helical coil extension spring with full end loops and generous loop-bend radii for a minimum load of 9 lbf and a maximum load of 18 lbf, with an accompanying stretch of in. The spring is for food-service equipment and must be stainless steel. The outside diameter of the coil cannot exceed 1 in, and the free length cannot exceed 21 in. Using a fatigue design factor of nf 2, complete the design. Use the Gerber criterion with...
- USE ASTM A227 SPRING STEEL Design a helical compression spring for a static load of 470N at a deflection of 40mm with a safety factor of >2.6. The spring must fit within a 50mm hole using ASTM...
- USE ASTM A227 SPRING STEEL
Design a helical compression spring for a static load of 470N at a deflection of 40mm with a safety factor of >2.6. The spring must fit within a 50mm hole using ASTM A227music wire. The cross sectional diameter must be rounded up to the nearest 0.5mm. The spring must sit flat in its assembled position. Specify all parameters necessary for manufacture of the spring. Number of turns, Nt- Free length, Lf - Outer Diameter,...
Design a compression spring with an outside diameter of 11.00 inches from round type 302 stainles...
Design a compression spring with an outside diameter of 11.00 inches from round type 302 stainless-steel wire to operate a plate dispenser in a cafeteria. When fully loaded, the spring is to be compressed 45 inches below the stop under a load of 80 lb, and when empty the spring should exert a force of 0.50 lb against the stop. The ends of the spring are closed. Specify the wire diameter, the number of active turns, the total number of...
Q2. Design a helical extension spring using music wire to exert a force of 7.75 lb when the lengt...
Q2. Design a helical extension spring using music wire to exert a force of 7.75 lb when the length between attachment points is 2.75 in, and a force of 5.25 lb at a length of 2.25 in. The outside diameter must be less than 0.300 in. Use severe service
Q2. Design a helical extension spring using music wire to exert a force of 7.75 lb when the length between attachment points is 2.75 in, and a force of 5.25 lb...
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,...
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)
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,...
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,...
A helical extension spring has an end similar to that shown in Figure 1. The important...
A helical extension spring has an end similar to that shown in Figure 1. The important information for the springs ends are: The wire gauge is US steel #19. The mean diameter of the spring is Dm 0.28 inches. · The mean diameter of the end loop is R1 =0.25 inches The mean radius of the bend from the coil to the end loop is R2 0.094 inches. 1. What are the expected stresses at points A and B for...
Design an infinite-life helical coil extension spring with full end loops and generous loop-bend radii for a minimum load of 9 lbf and a maximum load of 18 lbf, with an accompanying stretch of in. The spring is for food-service equipment and must be stainless steel. The outside diameter of the coil cannot exceed 1 in, and the free length cannot exceed 21 in. Using a fatigue design factor of nf 2, complete the design. Use the Gerber criterion with...
- USE ASTM A227 SPRING STEEL
Design a helical compression spring for a static load of 470N at a deflection of 40mm with a safety factor of >2.6. The spring must fit within a 50mm hole using ASTM A227music wire. The cross sectional diameter must be rounded up to the nearest 0.5mm. The spring must sit flat in its assembled position. Specify all parameters necessary for manufacture of the spring. Number of turns, Nt- Free length, Lf - Outer Diameter,...
Design a compression spring with an outside diameter of 11.00 inches from round type 302 stainless-steel wire to operate a plate dispenser in a cafeteria. When fully loaded, the spring is to be compressed 45 inches below the stop under a load of 80 lb, and when empty the spring should exert a force of 0.50 lb against the stop. The ends of the spring are closed. Specify the wire diameter, the number of active turns, the total number of...
Q2. Design a helical extension spring using music wire to exert a force of 7.75 lb when the length between attachment points is 2.75 in, and a force of 5.25 lb at a length of 2.25 in. The outside diameter must be less than 0.300 in. Use severe service
Q2. Design a helical extension spring using music wire to exert a force of 7.75 lb when the length between attachment points is 2.75 in, and a force of 5.25 lb...
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,...
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)
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,...
A helical extension spring has an end similar to that shown in Figure 1. The important information for the springs ends are: The wire gauge is US steel #19. The mean diameter of the spring is Dm 0.28 inches. · The mean diameter of the end loop is R1 =0.25 inches The mean radius of the bend from the coil to the end loop is R2 0.094 inches. 1. What are the expected stresses at points A and B for...
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