For a weighing machine, the allowable load of 3000 N is loaded on a helical spring which it resulted deflection of 60 mm. The spring is made of chrome vanadium steel and factor of safety is equal to 2. The spring index is 4. Wahl stress factor is considered for the direct shear and change in curvature of the compression spring. Given =69 GPa and G = 79.34 GPa. a) Justify whether the spring can be slot into the spring housing with diameter of 42 mm. b) Determine the total number of coil.

For a weighing machine, the allowable load of 3000 N is loaded on a helical spring which it resulted deflection of 60 mm. The spring is made of chrome vanadium steel and factor of safety is equal to 2. The spring index is 4. Wahl stress factor is considered for the direct shear and change in curvature of the compression spring. Given =69 GPa and G = 79.34 GPa. a) Justify whether the spring can be slot into the spring housing with diameter of 42 mm. b) Determine the total number of coil.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.

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Question

NO CURSIVE

For a weighing machine, the allowable load of
3000 N is loaded on a helical spring which it
resulted deflection of 60 mm. The spring is
made of chrome vanadium steel and factor of
safety is equal to 2. The spring index is 4.
Wahl stress factor is considered for the direct
shear and change in curvature of the
compression spring. Given =69 GPa and G =
79.34 GPa.
a) Justify whether the spring can be slot
into the spring housing with diameter of 42
mm.
b) Determine the total number of coil.

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