jected to a load which varies from W1 N to W2 N. The spring index is 6 and design factor of safety is 1.2. If the yield stress in shear is Ty MPa and lurance stress in shear is te MPa, find : 1. Size of the spring wire, 2. Mean meter of the spring, 3. Number of turns of the spring, assuming the ends of spring to be squared and ground, 4. Free length of the spring and, 5. Pitch he coil, 6.Maxmim strain energy stored by it. e compression of the spring at the minimum load is ômin mm. The modulus rigidity for the spring material may be taken as G kN/mm².
jected to a load which varies from W1 N to W2 N. The spring index is 6 and design factor of safety is 1.2. If the yield stress in shear is Ty MPa and lurance stress in shear is te MPa, find : 1. Size of the spring wire, 2. Mean meter of the spring, 3. Number of turns of the spring, assuming the ends of spring to be squared and ground, 4. Free length of the spring and, 5. Pitch he coil, 6.Maxmim strain energy stored by it. e compression of the spring at the minimum load is ômin mm. The modulus rigidity for the spring material may be taken as G kN/mm².
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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Design of machine elements
solve according to Khurmi
Please write clearly
Transcribed Image Text:A helical compression spring made of oil tempered carbon steel, is
subjected to a load which varies from W1 N to W2 N. The spring index is 6 and
the design factor of safety is 1.2. If the yield stress in shear is ty MPa and
endurance stress in shear is te MPa, find : 1. Size of the spring wire, 2. Mean
diameter of the spring, 3. Number of turns of the spring, assuming the ends of
the spring to be squared and ground, 4. Free length of the spring and, 5. Pitch
of the coil, 6.Maxmim strain energy stored by it.
The compression of the spring at the minimum load is ômin mm. The modulus
of rigidity for the spring material may be taken as G kN/mm².
W1
W2
ту
ômin G
те
646
1118
846
465
21
83
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