Design of Machine and Structural PartsA fully developed and very practical presentation of the subject of form design of machine components is provided in this book, including how to recognize what form or shapes cause what stress patterns and how to apply the information to an overall design. Techniques are presented that guide the design engineer to the correct kind of element to use without the need of calculations; how to choose shapes that produce efficient stress patterns. Also included is a brief review of strength/design procedures; the nature of efficient and inefficient stress patterns are covered, general principles of component design, optimizing strength-to-weight ratios, considerations for buckling and impact and the design of joints. |
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Page 17
... equal to the force per unit area acting perpendicular to the cross section at that point . If we consider a section ... equal ) , the normal stress at section C - C is half the stress at section A - A . The shear stress over a given ...
... equal to the force per unit area acting perpendicular to the cross section at that point . If we consider a section ... equal ) , the normal stress at section C - C is half the stress at section A - A . The shear stress over a given ...
Page 25
... equal failure - inducing in- tensity D Eccentrically loaded round bar cantilever beam Eccentrically loaded round bar in tension Torsional stress equal to the transverse - shear stress Bending stress equal to the tensile stress O QE ...
... equal failure - inducing in- tensity D Eccentrically loaded round bar cantilever beam Eccentrically loaded round bar in tension Torsional stress equal to the transverse - shear stress Bending stress equal to the tensile stress O QE ...
Page 82
... equal to R3 , the resistance of the center web , plus two times R2 , the torsional resistance of one flange . Figure ... Equal to Plus ZZZZA Plus R1 R2 + R3 FIGURE 6-8 . Torsional resistance of an I - beam . [ From Ref . 2 , p . 3.6-3 ...
... equal to R3 , the resistance of the center web , plus two times R2 , the torsional resistance of one flange . Figure ... Equal to Plus ZZZZA Plus R1 R2 + R3 FIGURE 6-8 . Torsional resistance of an I - beam . [ From Ref . 2 , p . 3.6-3 ...
Contents
INTRODUCTION TO FORM DESIGN | 1 |
EFFICIENT AND INEFFICIENT STRESS PATTERNS | 27 |
DESIGNING FOR RIGIDITY | 36 |
Copyright | |
13 other sections not shown
Common terms and phrases
avoirdupois bending moment bending stress bh³ body bolt cantilever beam compression Considerations of Stress contact stress contact surface cross section cross-sectional area crowned tooth cylinders deflection diameter efficient Engineering Considerations equations example flow of force flux force flow free-body diagram geometry given Hertz Hertz contact stress hole inch inefficient stress patterns inertia joint elements joule Juvinall k₁ k₂ keyway kilogram lbf/in length load distribution material maximum stress McGraw-Hill membrane analogy meter modulus of elasticity moment of inertia neutral axis newton newton/meter² normal stress notch plate portion principle R₁ R₂ ratio relative stiffness rigid rivet round bar shape refinement shear stress shown in Figure shows spline spot contact spring constant spring model sprocket steel Stiffeners Strain strap strength Strength of Materials strength-to-weight stress concentration stress distribution tensile tensile stress tension thread torque transverse transverse-shear tube uniform shear uniform stress