Disc Spring Fatigue Life Machinery's Handbook, 31st Edition
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1400
A
B
C
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Number of Loading Cycles 100,000 500,000 2,000,000 A B C
400
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0
0
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Minimum Tensile Stress (N / mm 2 )
Fig. 10. Group 1 Diagram for Estimating Fatigue Life of Disc Springs (0.2 t < 1.25 mm)
1400
A
B
C
1200
1000
800
600
Number of Loading Cycles 100,000 500,000 2,000,000 A B C
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200
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0
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400
600
800
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Minimum Tensile Stress (N / mm 2 )
Fig. 11. Group 2 Diagram for Estimating Fatigue Life of Disc Springs (1.25 t 6 mm)
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A B C
1200
1000
800
600
Number of Loading Cycles 100,000 500,000 2,000,000 A B C
400
200
0
0
200
400
600
800
1000
1200
1400
Minimum Tensile Stress (N / mm 2 )
Fig. 12. Group 3 Diagram for Estimating Fatigue Life of Disc Springs (6 < t 16 mm)
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