A helical compression spring has (8 total coils) is inserted in a hole of diameter (76.5 mm).The spring is made of (12.5 mm) diameter hard drawn steel wire. The spring supports an axial load of (5 kN). Determine maximum stress and total deflection in the spring. Use closed and ground ends.
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- A safety valve spring having 9 and /2 coils has the ends squared and ground. The outside diameter of the coil is 115 mm and the wire is 13 mm. It has a free length of 203 mm. The length of which this spring must be initially compressed to hold a boiler pressure of 1.38 MPa on the seat of 32 mm diameter. Modulus of rigidity is taken as G=80GN/m2. a. Find the spring deflection and the operating length b. Calculate the solid length and the deflection of solid length c. Compute the solid force and the Wahl factorFor the helical compressive spring under fatigue load must meetA leafs spring contains 4 full-length and 8 graduated leafs. The eyebolts at the support are 20 inches apart and the system should carry a load of 400 lbs. If the thickness of the available bronze plate is 1“ and Sy = 80 ksi, what leaf width is required at FOS = 8?
- The 500 N load is acting on the helical compression spring with 20 number of turns. The helical spring is having the mean diameter of 12cm,spring wire diameter is 6mm. Find the spring inside diameter. Select one: O a. 114 mm O b. 52mm O c. 150mm O d. 20mmRated same at 0.907 kg/mm, all five springs are arranged in parallel. All five compression coil springs support one load of 600 kg. Determine the deflection in mm. (Draw the diagram)A spring is designed to fire a 2 kg projectile. The outside diameter of the coil is 160 mm with an 18mm wire and a total of 22 coils squared and ground. The spring has a free length of 650 mm. When set or loaded, the spring is compressed to a length of 450 mm. a. Determine the spring index, as well as the active number of coils b. Find the spring deflection and Wahl's factor.
- A safety valve spring having 9 and 2 coils has the ends squared and ground. The outside diameter of the coil is 115 mm and the wire is 13 mm. It has a free length of 203 mm. The length of which this spring must be initially compressed to hold a boiler pressure of 1.38 MPa on the seat of 32 mm diameter. Modulus of rigidity is taken as G=80GN/m?. Find the force acting on the valve set. Compute the Wahl factorDesign a helical spring to be used in spring balance with a wire diameter of 6mm and the outside diameter should be limited to 66mm. if the permissible shear stress of the spring material is 325 N/mm? and the Modulus of rigidity is 85kN/mm?. a) Compute the deflection of spring per active turn and the axial load on the spring considering the effect of curvature, take Wahl's factor as Kw= 1.1 b) Calculate the value of axial load neglecting the effect of stress factor. **Note: Please upload your handwritten working/solution to the link provided. The value of Mean diameter of the spring in mm . The Spring Index is. Shear stress factor, neglecting curvature effect . Deflection per active turn in mm Axial Load W in N .. Axial Load W in N. considering effect of curvature .Design helical compression spring for a service load ranging from 300 N to 375 N. if the permissible shear stress 500 MPa and maximum deflection of the spring for the load range is 8 mm and modulus of rigidity G-80 KN/mm². Draw a fully dimensioned of the spring.
- A helical spring with a load range of from 450 N to 800 N from valve-closed to valve-open conditions is used to close the valve of a spring-set relief valve having a lift of 10 mm. Assuming the spring wire to be of chrome vanadium steel, the spring is rendering average service, determine the diameter of the wire if the spring index is 7 and Sg - 420 MPa. Use G=83GPA. Select one: O a. 2.4-mm wire O b. 5-mm wire O c. 6-mm wire O d. 7-mm wireA high alloy spring has an active coil of 16 and modulus ofelasticity in shear of 85 GPa. Compute the Wahl factor. Thespring outside diameter is 9.66 cm and wire diameter is 0.65 cm.A helical compression spring is mad of no.16 music wire. The outside Q. No 3. diameter of the spring is 7/16 in. the ends are squared and there are 14 and half total turns. a. Estimate the torsional yield strength of the wire. b. Estimate the static load corresponding to the yield strength c. Estimate the scale of the spring. d. Estimate the deflection that would be caused by the load in part (b). e. Estimate the solid length of the spring. f. What length should the spring be to ensure that when it is compressed solid and then released, there will be no permanent change in the free length?