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 118
Kurt M. Marshek. Stiffener Lightening holes . دا D FIGURE 8-10 Stiffener provided to allow thinner and lighter shelf sheet . [ From Ref . 9 , p . 109. ] Web Stiffeners Rigid frame members FIGURE 8-11 . Stiffeners used to carry moment ...
Kurt M. Marshek. Stiffener Lightening holes . دا D FIGURE 8-10 Stiffener provided to allow thinner and lighter shelf sheet . [ From Ref . 9 , p . 109. ] Web Stiffeners Rigid frame members FIGURE 8-11 . Stiffeners used to carry moment ...
Page 122
... Stiffeners End reaction Shear stress resulting from vertical forces FIGURE 8-16 . Stiffener used to prevent buckling in web section where high compressive loads might exist . [ From Ref . 2 , p . 4.3-5 . ] O 20 20 Linro length of the ...
... Stiffeners End reaction Shear stress resulting from vertical forces FIGURE 8-16 . Stiffener used to prevent buckling in web section where high compressive loads might exist . [ From Ref . 2 , p . 4.3-5 . ] O 20 20 Linro length of the ...
Page 156
... stiffeners employed on flat panels to prevent buckling and undue stress in the corner joint of the rectangular bin ... stiffeners , thus preventing the development of inefficient stress patterns . Design 2 Stiffeners on flat panels ...
... stiffeners employed on flat panels to prevent buckling and undue stress in the corner joint of the rectangular bin ... stiffeners , thus preventing the development of inefficient stress patterns . Design 2 Stiffeners on flat panels ...
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