Fundamentals of Mechanical Component DesignFocusing on optimal design, this book covers such topics as fracture, mechanics, bolted joints, composite materials, weld components and fatigue testing. Computer techniques are featured throughout the book and there is a whole chapter on CAD/CAM. |
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Page 127
... factor of safety ( FS ) . Thus , if the factor of safety is 1.3 , engineers aim for a strength of 26 000 lb. The extra 6000 lb of strength is built in " to be safe . " There may also be uncertainties in the ... Factors of Safety Definitions.
... factor of safety ( FS ) . Thus , if the factor of safety is 1.3 , engineers aim for a strength of 26 000 lb. The extra 6000 lb of strength is built in " to be safe . " There may also be uncertainties in the ... Factors of Safety Definitions.
Page 137
Kenneth Scott Edwards, Robert B. McKee. TABLE 5.2 Factor of safety for quality control = 10 percent ( loads and strengths normally distributed ) Load variation , % Failures , % 10 20 30 0.1 1.16 1.24 1.34 2 1.10 1.16 1.22 5 1.08 1.13 ...
Kenneth Scott Edwards, Robert B. McKee. TABLE 5.2 Factor of safety for quality control = 10 percent ( loads and strengths normally distributed ) Load variation , % Failures , % 10 20 30 0.1 1.16 1.24 1.34 2 1.10 1.16 1.22 5 1.08 1.13 ...
Page 138
... factors of safety decrease . Third , engineers faced with a new problem must fix the factor of safety them- selves . They must consider the uncertainties of the application and the other aspects , such as the public safety . Vidosic [ 5 ] ...
... factors of safety decrease . Third , engineers faced with a new problem must fix the factor of safety them- selves . They must consider the uncertainties of the application and the other aspects , such as the public safety . Vidosic [ 5 ] ...
Contents
Engineering Design | 1 |
Coping with Uncertainty 12 2260 | 12 |
ComputerAided Design and Manufacture | 58 |
Copyright | |
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alloy aluminum angle Answer applied assumed axial load axis ball bearings beam belt bending bolt calculated column components compression constant Courtesy crack criterion cross section curve cycles damping deflection diagram diameter dimensions direction distribution ductile elastic energy engineering equal Equation estimate Example expression factor of safety failure fatigue limit fatigue strength fibers fillet force function gasket joint K₁ lamina length lognormal distribution machine mass material maximum shear stress mean stress minimum Mohr's circle normal normal distribution percent plane plastic plate plot preload principal stresses problem radial radius ratio rotating S-N curve shaft shown in Figure solution specimen spring standard deviation static steel stiffness strain stress concentration surface Table tensile strength tensile stress tension theory thickness thread torque torsional tube variable weld width yield strength zero πα