The specifications for a coil spring are known. Infinite fatigue life is required, using a safety factor of 1.3 applied to the maximum load only. The fatigue strength can be represented by a line between τmax= 600, τmin= 0 and τmax= τmin= 900 MPa.Assume both end plates are in contact with nearly a full turn of wireand that the end plate loads coincide with the spring axis.Determine a suitable combination of d, D, and N, if C = 8 · What is the corresponding estimated value for Kw? Enter a value with 2 decimaplaces.What is the numerical ratio for Tmax/Tmin? Enter a value with 2 decimal places. What is the Tmax as determined on the graph for this load line? Enter units ofMPa with no decimal place.What is the value of d in mm? Enter a value with 2 decimal places.What is the value of D in mm? Enter a value with 1 decimal place.What is the value for N? Enter a value with 2 decimal places.Static load per spring = 3500 NRate per spring = 40 N/mmJounce = 150 mmRebound = 58 mm

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Answered: The specifications for a coil spring…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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The specifications for a coil spring are known. Infinite fatigue life is required, using a safety factor of 1.3 applied to the maximum load only. The fatigue strength can be represented by a line between τmax= 600, τmin= 0 and τmax= τmin= 900 MPa.Assume both end plates are in contact with nearly a full turn of wireand that the end plate loads coincide with the spring axis.Determine a suitable combination of d, D, and N, if C = 8

· What is the corresponding estimated value for Kw? Enter a value with 2 decima
places.
What is the numerical ratio for Tmax/Tmin? Enter a value with 2 decimal places
. What is the Tmax as determined on the graph for this load line? Enter units of
MPa with no decimal place.
What is the value of d in mm? Enter a value with 2 decimal places.
What is the value of D in mm? Enter a value with 1 decimal place.
What is the value for N? Enter a value with 2 decimal places.
Static load per spring = 3500 N
Rate per spring = 40 N/mm
Jounce = 150 mm
Rebound = 58 mm

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