## Design of machine and structural partsVery Good,No Highlights or Markup,all pages are intact. |

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Page 36

... does not stress the material above the elastic range, the spring constant is

given as , F AE where k = spring constant F = applied force y = deflection of one

end of the bar relative to the other A = cross-sectional area E =

... does not stress the material above the elastic range, the spring constant is

given as , F AE where k = spring constant F = applied force y = deflection of one

end of the bar relative to the other A = cross-sectional area E =

**modulus of****elasticity**L ...Page 38

Case (a) Round Bar in Tension The stiffness, k, in the 1 -in diameter round steel

bar 10 in long, subject to a tension load, can be calculated by using A = xd2/4 =

cross-sectional area E =

Case (a) Round Bar in Tension The stiffness, k, in the 1 -in diameter round steel

bar 10 in long, subject to a tension load, can be calculated by using A = xd2/4 =

cross-sectional area E =

**modulus of elasticity**of steel L = length of the bar The ...Page 61

Reinforced concrete section with strain and stress diagrams. given by b' = where

Es =

the wood section Because the moment of inertia and the section modulus of the ...

Reinforced concrete section with strain and stress diagrams. given by b' = where

Es =

**modulus of elasticity**of steel Ew -**modulus of elasticity**of wood b = width ofthe wood section Because the moment of inertia and the section modulus of the ...

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### Contents

INTRODUCTION TO FORM DESIGN | 1 |

EFFICIENT AND INEFFICIENT STRESS PATTERNS | 27 |

DESIGNING FOR RIGIDITY | 35 |

Copyright | |

13 other sections not shown

### Common terms and phrases

avoirdupois bending stress body bolt cantilever beam Celsius compression compressive stress Considerations of Stress contact area contact stresses contact surface cross section cross-sectional area crowned tooth cylinders deflection deformation determined diameter effect efficient energy storage Engineering Considerations equations example flow of force force flow free-body diagram geometry given Hertz Hertz contact stress hole hollow shaft inch inefficient stress patterns inertia Isochromatic pattern joint elements joule Juvinall keyway kilogram lbf/in load distribution machine and structural material maximum stress membrane analogy meter3 modulus of elasticity neutral axis newton normal stress notch plate portion pressure distribution principle radius relative stiffness rigidity rivet round bar second mean solar shape refinement shear stress shown in Figure shows solid shaft splines spot contact spring constant spring model sprocket static stiffeners strength strength of materials stress concentration stress distribution tensile tensile stress threads torque transverse shear tube uniform shear uniform stress