Required informationA helical compression spring is wound using music wire of diameter, d, 2.16 mm. Thespring 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 toreturn to this part.What should be the free length to ensure that the torsional stress does not exceed the yield strengthwhen the spring is compressed solid? What is the critical free length? Is there a possibility that the springmight buckle in service?The free length should be|mm.The critical free length should beBuckling is likelyEto occur.mm.

Please refer explanationExplanation:Step 1: Step 2: Step 3: Step 4:

Answered: Required information A helical…

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.31P

See similar textbooks

Similar questions

A safety valve on the top of a tank containing steam under pressure p has a discharge hole of diameter d(see figure). The valve is designed to release the steam when the pressure reaches the value Pmax If the natural length of the spring, is L and its stiffness is k, what should be the dimension ft of the valve? (Express your result as a formula for h.)
A bungee jumper having a mass of 55 kg leaps from a bridge, braking her fall with a long elastic shock cord having axial rigidity EA = 2.3 kN (see figure). If the jumpoff point is 60 m above the water, and if it is desired to maintain a clearance of 10 m between the jumper and the water, what length L of cord should be used?
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.
Question 4A close-coiled helical spring is to have a stiffness of 90 kN/m and is to exert a maximum force of 3.7 kN. If the mean diameter of the coils is 80 mm, and the maximum stress is not to exceed 300 MPa, calculate the required number of coils and the diameter of the steel rod from which the spring should be made (G=80 GPa).
A helical compression spring is 1o exert a force of 8.0 Ib when compressed 1o a length of 1.75 in. At a length of 1.25 in, the force must be 12.0 Ib. The spring will be installed in a machine that cycles slowly. and approximately 200 000 cycles total are expected. The tem- perature will not exceed 200°F. The spring will be installed in a hole having a diameter of 0.75 in. For this application. specify a suitable material, wire diameter. mean diameter. OD. ID. free length, solid length. number of coils, and type of end condition. Check the stress at the maximum operating load and at the solid length condition. The first of two solution procedures will be shown. The numbered steps can be used as a guide for future problems and as a Kind of algorithm for the spreadsheet approach that follows the manual solution.
PROBLEM:2 A spring made from a wire of 2.5 mm diameter and 750 N/sq. mm. as its working stress Mean diameter of 12.5 mm and 15 active coils. Find (a) Stiffness of the spring (b) solid length. Assume that the ends are squared and ground. Take modulus of rigidity as 0.85x105 N/mm2.
A helical compression spring with square and ground ends has an outside diameter of 14 mm, 20 total coils, a wire diameter of 2 mm, and a free length of 105 mm. Calculate the spring index, the pitch, the solid length, and the shear stress in the wire when the spring is compressed to its solid length.
PROBLEM: 5 A helical valve spring is to be designed for an operating load range of 90N to 195N. The maximum deflection of the spring for this load range is 7.5 mm. Assuming a spring index of 9, a permissible shear stress of 550 N/mm2 for the material and the modulus of rigidity of 0.85x105 N/mm2. Determine the dimensions of the spring. (i.e. Diameter of the spring wire ,Mean coil diameter, Outer diameter of the spring, number of active turn and free length of the spring). Assume the spring coil is squared and ground.
A square end compression helical spring has an operation load range of 3.5KN to 4.2KN.The deflection for the load range is 8mm and the spring index is 6.if the permissible shear stress and module of rigidity for the material of the spring are 380MPa and 90pa respectively, including the effect of the wire curvature. Design the spring by, determine (A)wire diameter (B) mean coil diameter (C) number of active turns (D)total number of turns
5. Design a helical compression spring for a maximum load of 1000 N and deflection of 25mm taking Wahl’s factor into consideration. Assume spring index as 5, maximum permissible shear stress for spring wire as 420 MPa and modulus of rigidity as 84 kN/mm2
Ensssprrs wuii. Inside a helical spring of circular cross-section 20 mm in dimater spring is placed having the same cross-section. The mean radius of the outer spring is 80, that of the inner spring is S0 mm. Both the springs are of the same height and have 10 coils With a load being transmitted to both the springs they deflect by 50 mm. In which spring is the maximum shear stress greater, and what are their magnitudes? What is the corresponding load being transmitted? The shear modulus C = 80 GPa for both the spring materials.
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?

SEE MORE QUESTIONS

Recommended textbooks for you

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS