It is observed that the helical pressure spring with an arc index of 8 makes a 68 mm sehim as a result of exposure to an axial load of 35 kN. Find the broadcast wire diameter, the average winding circle diameter and the number of active winding since the slip module is known to be 80 GPa, the maximum shear stress value is 435 MPa.
Q: typical compound helical spring consists of two coaxial closed coil spring having the following…
A:
Q: Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered…
A:
Q: Example 14-8. For a close-coiled helical spring subjected to an axial load of 300 N havine 12 coils…
A: Springs are one of the flexible machine elements, which gets deformed when load is applied to it and…
Q: Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered…
A:
Q: A hard-drawn steel wire extension spring has a spring index Of 7.5, hook radii of r 0.106 in and r2…
A: Spring is an elastic energy storage object. Springs usually consist of spring steel. There are many…
Q: A high alloy spring has an active coil of 16 and modulus of elasticity in shear of 85 GPa. Compute…
A:
Q: A helical spring is to be designed for an operating approximately (90N to 135 N). A helical spring…
A: Given details: W1=90 NW2=135 Nδ=5 mmC=10ζ=480 MPaG=80 GPa
Q: Design a concentric spring for an air craft engine valve to exert a maximum force of 5000 N under a…
A: Given data Maximum force = W = 5000 Ndeflection = d = 40 mmShear stress = τ1 = τ2 = 850 N/mm2Spring…
Q: A rotor having a mass of 5 Kg is mounted midway on a 0.01meter diameter shaft supported at the ends…
A:
Q: A close-coiled helical spring is to have a stiffness of 90 kN/m and is to exert a maximum force of…
A:
Q: 2) The extension spring shown in figure has full-twisted loop ends. The material is BS 5216 Grade 2.…
A: (a) no. of coils in spring, n=84 Dia. of wire, d =5mm inside dia. of spring coil, Di =50mm…
Q: (a) Draw neat illustrative sketches to bring about the difference between a helical coil tension…
A: helical coil compression spring Springs are the energy storage devices that are used to store…
Q: A helical spring is to be designed for an operating approximately (90N to 135 N). A helical spring…
A: given data;when load (w)=90Ndeflection of spring (δ)=5mmspring index (C)=Dd=10modulus of rigidity…
Q: When a coil spring with a spring rate of 160 lb/in. is compressed 1.6 in., the coils are closed. The…
A:
Q: Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered…
A:
Q: A helical compression spring with square and ground ends has an outside diameter of 14 mm, 20 total…
A: A Spring system is a system in which the mass in the system is concentrated on the spring. The…
Q: should not exceed to a cylindrical space of 1¾-in in diameter. The spring index is 6.0 & the maximum…
A:
Q: Problem 4) A helical compression spring is made of hard drawn carbon A227 ste has a wire diameter of…
A:
Q: Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered…
A: Given data: Compression helical spring Wmin=416 N Wmax=970 N Spring index, C = 6.2 Factor of…
Q: Q2: The extension spring shown in the figure has full-twisted loop ends. The material is AISI…
A: Given Number of coil = 82 Preloading = 18 lbf D= 1.5 – 0.162 = 1.338 in d = 0.162 in To find Closed…
Q: Q4/A 40 kw power at 300 rpm is transmitted from 50 mm diameter shaft by means of two identical…
A: Given data: Power transmitted by the shaft (P) = 40 kW Speed of the shaft (N) = 300 rpm Diameter of…
Q: 4-8. For a close-coiled helical spring subjected to an axial load of 300 N having 12 coils of wire…
A: Given, The mean coil diameter, D=250 mm The wire diameter, d=16 mm Number of coils, n=12 Axial load,…
Q: (a) A helical spring is made from a wire of 8 mm diameter and has outside diameter of 80 mm. If the…
A: helical spring is to be designed according to the given parameters and conditions. The whole…
Q: A close coil helical spring is to have a mean coil diameter to wire diameter ratio of 10:1 to. The…
A:
Q: Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered…
A: given subjected load, Pmin=416Nsubjected load, Pmax=950Nspring index,C=Dd=6.7factor of safety…
Q: Considering the effect of curvature A helical spring is made from a wire of 6 mm diameter and has…
A: Data given- d= 6 mm Do = 75 mm τ = 350 Mpa G = 84 kN/mm2
Q: (9) A Mercedes Benz gas engine valve spring should not exceed to a cylindrical space of 134-in in…
A:
Q: Two coaxial closed coil springs make up a standard compound helical spring. When both springs are…
A:
Q: wire - 15 mm R Wire clip 3. The figure shows a finger exerciser. It is based on torsion spring. The…
A: A finger exerciser is used to make fingers strong. Force is applied to the handle so that spring…
Q: Example 14-8. For a close-coiled helical spring subjected to an axial load of 300 N havine 2 coils…
A: Springs are one of the flexible machine elements, which gets deformed when load is applied to it and…
Q: Q2: The extension spring shown in the figure has full-twisted loop ends. The material is AISI…
A: Given data, Outer diameter of the spring, OD = 1.5 in Diameter of the spring, d =0.162 in No of…
Q: Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered…
A:
Q: 2. A helical valve spring is to be designed for an operating load range of approximately 90 to 135…
A:
Q: A bolt of major diameter 12mm is required to clamp 2 steel plates. Cross sectional area of the…
A:
Q: A tension bar 100mm x 10mm is to carry a load of 150kN. A specimen of the same quality steel of…
A:
Q: A closed-coil helical spring is to have stiffness of 900 N/m in compression with a maximum load of…
A: Given data: Stiffness of the closed-coil helical spring, k=900 N/m=0.9 N/mm. Maximum load taken by…
Q: What stresses are produced in the bolt and in the tube
A: Given: d1=0.5 in E1=30,000 ksi d2=1 in E2=16000 ksi t=0.125 in L=8 in nut is tightened an…
Q: Calculate the wire diameter of a helical spring using Wahl's factor if the load applied is 130 lb…
A: Given:P=130 lbKs=8ζmax=50 ksi
Q: When a coil spring with a spring rate of 150 lb/in. is compressed 1.5 in., the coils are closea. The…
A:
Q: Consider the uncompressed spring below, made of A227 HD steel. In this spring, turn of cach end is…
A:
Q: Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered…
A:
Q: A load of 2 kN is dropped axially on a close coiled helical spring, from a height of 250 mm. The…
A:
Q: Example 14-8. For a close-coiled helical spring subjected to an axial load of 300 N having 12 coils…
A: Springs are one of the flexible machine elements, which gets deformed when load is applied to it and…
Q: A hollow circular shaft of inner radius 10mm, outer radius 20mm and length 1m is to be used as a…
A: Given data The inner radius of the circular shaft is ri = 10mm. The outer radius of the circular…
Q: Inside section 20 mm. a helical sping of circulat crols in dianetu. another placed having the sping…
A: Springs are one of the flexible machine elements, which gets deformed when load is applied to it and…
Q: The spring of the check valve seen in the figure is mounted with a pre-stress of 12 mm and the…
A:
Q: A hard-drawn steel wire extension spring has a spring index Of 7.5, hook radii of r = 0.106 in and…
A:
Q: A helical compression spring shown in figure, experience a minimum force of 150 1b at just before…
A:
Please solve this question.
Step by step
Solved in 3 steps
- A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal arm AB (length b = 10 in.) and a vertical arm BC (length c = 7 in.) pivoted al point B. The pivot is attached to the outer frame BCD that stands on a laboratory bench. The position of the pointer al C is controlled by a spring, Jt = 5 lb/in., that is attached to a threaded rod. The pitch of the threads is p = 1/16 in. Under application of load W, 12 revolutions of the nut are required to bring the pointer back to the mark. Calculate the weight W.A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal aim AB (length b = 30 cm) and a vertical arm BC (length c = 20 cm) pivoted at point B. The pivot is attached to the outer frame BCD that stands on a laboratory bench. The position of the pointer at C is controlled by two parallel springs, each having a spring constant k = 3650 N/m. that are attached to a threaded rod. The pitch of the threads is p = 1.5 mm. If the weight is 65 N. how many revolutions of the nut are required to bring the pointer back to the mark?A load of 2 kN is dropped axially on a close coiled helical spring, from a height of 250 mm. The spring has 20 effective turns, and it is made of 25 mm diameter wire. The spring index is 8. Find the maximum shear stress induced in the spring and the amount of compression produced. The modulus of rigidity for the material of the spring wire is 84 kN/mm?.
- Design a helical compression spring to be used in a cam and follower mechanism made of oil tempered carbon steel, is subjected to a load which varies from 416 N to 970 N. The spring index is 6.2 and the design factor of safety is 1.25. If the yield stress in shear is 770 MPa and endurance stress in shear is 350 MPa,find: 1. Size of the spring wire, 2. Diameters of the spring, 3. Number of turns of the spring, and 4. Free length of the spring. The compression of the spring at the maximum load is 30 mm. The modulus of rigidity for the spring material may be taken as 80 kN/mm2.A helical compression spring has a scale of 500 lb/in., an outside diameter of 2.75 in, a free length of 8 inches and with squared and ground ends. The load is 1,000 lbs and the working stress on the wire material is 65000 psi. If the Wahl factor of 1.25 is to be used, calculate the following: A. The standard wire diameter B. The number of active coil if G = 10 800 000 psi C. The solid height D. The stress at solid heightA 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
- A helical compression spring is to be used for a maximum load of 1.5 kN using the spring index of 8. The maximum permissible shear stress for the spring wire is 400 MPa. Which of the following is the wire diameter of the spring to be used?PROBLEM:1 A gas engine valve spring is to have a mean diameter of 55 mm. The maximum load it will have to sustain is 584 N with a corresponding deflection of 7.18 mm. The spring is to be made of tempered wire. Since the material is to be subjected to repeated loading and fatigue must be considered a low working stress of 650 N/mm? will be used. Find the size for wire and number of coils used. Take modulus of rigidity as 0.84 x 105 N/mm? .Assume the spring coil is squared and ground. Take shear stress Concentration factor as 1.15.Design 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 a helical compression spring to be used in a cam and follower mechanism made of oil tempered carbon steel, to sustain a load, which varies from 400 N to 980 N. The spring index is 6.8 and the design factor of safety is 1.25. If the yield stress in shear is 770 MPa and endurance stress in shear is 350 MPa, find: 4. Free length of the spring. 5. Ks= shear factor 6. whals factor The compression of the spring at the maximum load is 30 mm. The modulus of rigidity for the spring material may be taken as 80 kN/mm-.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 wireQ2: The extension spring shown in the figure has full-twisted loop ends. The material is AISI 1040Q&T 400FO wire. The spring has 82 coils and is close-wound with a preload of 18 Ibf. (a) Find the closed length of the spring.(b) Find the torsional stress in the spring corresponding to the preload.(c) Estimate the spring rate. (d) What load would cause permanent deformation?(e) What is the spring deflection corresponding ?to the load found in part d 0.162 in in R in R. نفس الشي e 5:33