A compression spring is needed to fit within a 1-in diameter hole. For clearance, the outside diameter of the spring can be no larger than 0.9 in. To ensure a reasonable coil, use a spring index of 8. The spring is to be used in a machine by compressing it from a free length of 3-in to a solid length of 1-in. The spring is to have squared ends and is to be made of unpeened music wire. a) Determine a suitable wire diameter. b) Determine a suitable total number of coils. c) Determine the spring constant. d) Determine the static factor of safety when the spring is compressed to solid length. e) Determine the fatigue factor of safety when the spring repeatedly cycled from free length to solid length.

A compression spring is needed to fit within a 1-in diameter hole. For clearance, the outside diameter of the spring can be no larger than 0.9 in. To ensure a reasonable coil, use a spring index of 8. The spring is to be used in a machine by compressing it from a free length of 3-in to a solid length of 1-in. The spring is to have squared ends and is to be made of unpeened music wire. a) Determine a suitable wire diameter. b) Determine a suitable total number of coils. c) Determine the spring constant. d) Determine the static factor of safety when the spring is compressed to solid length. e) Determine the fatigue factor of safety when the spring repeatedly cycled from free length to solid length.

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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