A Helical Compression Spring is made of A232 Chrome-vanadium with squared and ground ends has wire diameter 5 mm, outer diameter 81.5 mm, free leng 246.3 mm and total 10 turns. Do the analysis if the spring is safo and if not, what is the largest free length to which it can be wound using ns-1.2?
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- (2) A coil spring is to be used for the front suspension of a car. The spring is to have a rate of 400lb/in, an inside diameter of 4.0-in, & a free length of 14⅛-in, with squared & ground ends. The material is to be oil-tempered chrome-vanadium steel. Recommend the rod diameter & the number of coils for a design load of 1,500lb.A spring made from music wire ASTM 228 steel has the following data:Free length=1.75” Outside diameter=0.561”Wire diameter=0.055” Applied load= 14 lbEnds=square and ground both ends hingedNumber of coils=10 G=11.85 x 106psi E= 30 Mpsi Findspring rate, force at solid length,check for buckling,coil clearance and hole diameter- Required information A helical compression spring is made of hard-drawn spring steel wire of diameter 0.0773in. and has an outside diameter of 0.85 in. The ends are plain and ground, and there are 8 coils. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. What is the pitch of this spring? What force is needed to compress the spring to its solid length? Estimate the spring rate. The pitch of the spring is in. The force needed to compress the spring to its solid length is lbf. The spring rate is lbf/in.
- ! Required information A helical compression spring is made of hard-drawn spring steel wire of diameter 0.0773in. and has an outside diameter of 0.85 in. The ends are plain and ground, and there are 8 coils. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The spring is wound to a free length, which is the largest possible with a solid-safe property. Find this free length. Assume a design factor for solid-safe loading of ns = 1.2. The free length is Tin.A helical compression spring having 14 active coils is close coiled. It has a spring stiffness of 400lb/in. It is cut into two springs having 6 and 8 turns. Determine the spring stiffnesses of resulting springs.The load on a helical spring is 1282 lb and the corresponding deflection is to be 3.4 inches. Rigidity modulus is 11 x 106 psi and the maximum intensity of safe torsional stress is 60,000 psi. If the wire diameter and the mean diameter are 0.5 in. and 3 in., respectively. Determine the number of active coils. Don't round your answer to preferred size. Round your answer to 4 significant figures
- Stiffness of a helical spring decreases with increase in deflection Select one: O True O FalseDesign 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 .QUESTION 11 If a spring is made of OQ&T wire and has a wire diameter of 0.1 inch, what is ultimate strength in psi of the spring materials? QUESTION 12 A plain and ground helical compression spring has a free length of 6 inch. Calculate the pitch in inch if the spring has total 12 coils. QUESTION 13 Which of the following is not a recommended design condition for a helical compression spring? O a. E≤ 0.15 Ob.4≤ C≤ 12 Ocn 21.2 Od.3≤ ≤15
- Required information A helical compression spring is wound using music wire of diameter, d, 2.16 mm. The spring has an outside diameter, OD, of 27 mm with plain ground ends and 14 coils. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. What should be the free length to ensure that the torsional stress does not exceed the yield strength when the spring is compressed solid? What is the critical free length? Is there a possibility that the spring might buckle in service? The free length should be |mm. The critical free length should be Buckling is likely Eto occur. mm.Parts A-C ( concern a helical compression spring with the following parameters. )circle final answer for each part PART A -  What is the spring constant? Give your answer in units of N/mm. Part B - what is the stress at solidity? Give your answer in units of MPa Part C - what is the safety factor at solidity?Problem 4: A helical compression spring is to be cycled between 150 lbf and 300 lbf with a 1-in stroke. The number of cycles is low, so fatigue is not an issue. The coil must fit in a 2.1-in diameter hole with a 0.1-in clearance all the way around the spring. Use unpeened music wire with squared and ground ends. (a) Determine a suitable wire diameter, using a spring index of C = 7. (b) Determine a suitable mean coil diameter. (c) Determine the necessary spring constant. (d) Determine a suitable total number of coils. (e) Determine the necessary free length so that if the spring were compressed to its solid length, there would be no yielding