It is required to design a helical torsionspringand Cold-drawn steel wire of Groele 4. The yitld strengththe ultimate tensile strength, andthe factor of Safety is 2. from space Considerations, thespring Per a window-shade. Theis made of patentedof the material is 60l.mean Coil. diameter is kept as 18 mm. The maximum be-Inding moment asting on the spring is e5oN-mm. Themodulng of elas ticity of thekNlmm?). The stiffness of therad). Determine the wire diameter and the umCoils. Also, detesmine the deflectino and stored struin.energy.springspringmoterial is (207should be(3 N-mm/berof active

Given: D=18 mm Fos=2 Mb=250 Nmm k=3 Nmm/rad σyt=0.6σut To determine: Diameter of the wire no of…

Answered: rad). Determine the wire diameter and…

Engineering

Mechanical Engineering

rad). Determine the wire diameter and the number of active

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

It is required to design a helical torsion
spring
and Cold-drawn steel wire of Groele 4. The yitld strength
the ultimate tensile strength, and
the factor of Safety is 2. from space Considerations, the
spring Per a window-shade. The
is made of patented
of the material is 60l.
mean Coil. diameter is kept as 18 mm. The maximum be-
Inding moment asting on the spring is e5oN-mm. The
modulng of elas ticity of the
kNlmm?). The stiffness of the
rad). Determine the wire diameter and the um
Coils. Also, detesmine the deflectino and stored struin.energy.
spring
spring
moterial is (207
should be(3 N-mm/
berof active

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