Admin مدير المنتدى
عدد المساهمات : 18962 التقييم : 35392 تاريخ التسجيل : 01/07/2009 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى
| موضوع: كتاب Shigley’s Mechanical Engineering Design - Eighth Edition in SI Units الجمعة 14 يوليو 2023, 1:58 am | |
|
أخواني في الله أحضرت لكم كتاب Shigley’s Mechanical Engineering Design Eighth Edition in SI Units Richard G. Budynas Professor Emeritus, Kate Gleason College of Engineering, Rochester Institute of Technology J. Keith Nisbett Associate Professor of Mechanical Engineering, University of Missouri—Rolla
و المحتوى كما يلي :
Brief Contents Preface Xv Part 1 Basics 2 1 Introduction to Mechanical Engineering Design 3 2 Materials 27 3 Load and Stress Analysis 67 4 Deflection and Stiffness 141 Part 2 Failure Prevention 204 5 Failures Resulting from Static Loading 205 Fatigue Failure Resulting from Variable Loading 257 Part 3 Design of Mechanical Elements 346 Shafts and Shaft Components 347 8 Screws, Fasteners, and the Design of Nonpermanent Joints 395 9 Welding, Bonding, and the Design of Permanent Joints 457 10 Mechanical Springs 499 11 Rolling-Contact Bearings 549 12 Lubrication and Journal Bearings 597 13. Gears—General 653 14 = Spur and Helical Gears 713 15 Bevel and Worm Gears 765 16 Clutches, Brakes, Couplings, and Flywheels 805 17 ‘Flexible Mechanical Elements 859 18 Power Transmission Case Study 913 viiiPart 4 Analysis Tools 932 Finite-Element Analysis 933 Statistical Considerations 957 Appendices Useful Tables 983 Answers to Selected Problems 1035 Index 1040 Brief Contents ixContents Part1 Preface Xv Basics 2 Introduction to Mechanical Engineering Design 3 Design 4 Mechanical Engineering Design 5 Phases and Interactions of the Design IPLOCESSEED Design Tools and Resources 8 The Design Engineer’s Professional Responsibilities 10 Standards and Codes 12 Economics 12 Safety and Product Liability 15 Stress and Strength 15 Uncertainty 16 Design Factor and Factor of Safety 17 Reliability 18 Dimensions and Tolerances 19 Units 21 Calculations and Significant Figures 22 Power Transmission Case Study Specifications 22 Problems 24 Materials 27 Material Strength and Stiffness 28 The Statistical Significance of Material Properties 32 Strength and Cold Work 33 Hardness 36 Impact Properties 37 Temperature Effects 39 Numbering Systems 40 Sand Casting 41 Shell Molding 42 Investment Casting 42 Powder-Metallurgy Process 42 Hot-Working Processes 43 Cold-Working Processes 44 The Heat Treatment of Steel 44 Alloy Steels 47 Corrosion-Resistant Steels 48 Casting Materials 49 Nonferrous Metals 51 Plastics 54 Composite Materials 55 Materials Selection 56 Problems 63 Load and Stress Analysis 67 Equilibrium and Free-Body Diagrams 68 Shear Force and Bending Moments in Beams 71 Singularity Functions 73 Stress 75 Cartesian Stress Components 75 Mohr’s Circle for Plane Stress 76 General Three-Dimensional Stress 82 Elastic Strain 83 Uniformly Distributed Stresses 84 Normal Stresses for Beams in Bending 85 Shear Stresses for Beams in Bending 90 Torsion 95 Stress Concentration 105 Stresses in Pressurized Cylinders 107 Stresses in Rotating Rings 110 Press and Shrink Fits 110Temperature Effects 111 Curved Beams in Bending 112 Contact Stresses 117 Summary 121 Problems 121 Deflection and Stiffness 141 Spring Rates 142 Tension, Compression, and Torsion 143 Deflection Due to Bending 144 Beam Deflection Methods 146 Beam Deflections by Superposition 147 Beam Deflecticns by Singularity Functions 150 Strain Energy 156 Castigliano’s Theorem 158 Deflection of Curved Members 163 Statically Indeterminate Problems 168 Compression Members—General 173 Long Columns with Central Loading 173 Intermediate-Length Columns with Central Loading 176 Columns with Eccentric Loading 176 Struts or Short Compression Members 180 Elastic Stability 182 Shock and Impact 183 Suddenly Applied Loading 184 Problems 186 Failure Prevention 204 Failures Resulting from Static Loading 205 Static Strength 208 Stress Concentration 209 Failure Theories 211 Maximum-Shear-Stress Theory for Ductile Materials 211 Distortion-Energy Theory for Ductile Materials 213 Contents Coulomb-Mohr Theory for Ductile Materials 219 Failure of Ductile Materials Summary 222 Maximum-Normal-Stress Theory for Brittle Materials 226 Modifications of the Mohr Theory for Brittle Materials 227 Failure of Brittle Materials Summary 229 Selection of Failure Criteria 230 Introduction to Fracture Mechanics 231 Stochastic Analysis 240 Important Design Equations 246 Problems 248 Fatigue Failure Resulting from Variable Loading 257 Introduction to Fatigue in Metals 258 Approach to Fatigue Failure in Analysis and Design 264 Fatigue-Life Methods 265 The Stress-Life Method 265 The Strain-Life Method 268 The Linear-Elastic Fracture Mechanics Method 270 The Endurance Limit 274 Fatigue Strength 275 Endurance Limit Modifying Factors 278 Stress Concentration and Notch Sensitivity 287 Characterizing Fluctuating Stresses 292 Fatigue Failure Criteria for Fluctuating Stress 295 Torsional Fatigue Strength under Fluctuating Stresses 309 Combinations of Loading Modes 309 Varying, Fluctuating Stresses; Cumulative Fatigue Damage 313 Surface Fatigue Strength 319 Stochastic Analysis 322 Roadmaps and Important Design Equations for the Stress-Life Method 336 Problems 340 xixii Mechanical Engineering Design Part 3 Design of Mechanical Elements 346 Shafts and Shaft Components 347 Introduction 348 Shaft Materials 348 Shaft layout 349 Shaft Design for Stress 354 Deflection Considerations 367 Critical Speeds for Shafts 371 Miscellaneous Shaft Components 376 Limits and Fits 383 Problems 388 Screws, Fasteners, and the Design of Nonpermanent Joints 395 Thread Standards and Definitions 396 The Mechanics of Power Screws 400 Threaded Fasteners 408 Joints—Fastener Stiffness 410 Joints—Member Stiffness 413 Bolt Strength 417 Tension Joints—The External Load 421 Relating Bolt Torque to Bolt Tension 422 Statically Loaded Tension Joint with Preload 425 Gasketed Joints 429 Fatigue Loading of Tension Joints 429 Bolted and Riveted Joints Loaded in Shear 435 Problems 443 Welding, Bonding, and the Design of Permanent Joints 457 Welding Symbols 458 Butt and Fillet Welds 460 Stresses in Welded Joints in Torsion 464 Stresses in Welded Joints in Bending 469 The Strength of Welded Joints 471 Static Loading 474 Fatigue Loading 478 Resistance Welding 480 Adhesive Bonding 480 Problems 489 Mechanical Springs 499 Stresses in Helical Springs 500 The Curvature Effect 501 Deflection of Helical Springs 502 Compression Springs 502 Stability 504 Spring Materials 505 Helical Compression Spring Design for Static Service 510 Critical Frequency of Helical Springs 516 Fatigue Loading of Helical Compression Springs 518 Helical Compression Spring Design for Fatigue Loading 521 Extension Springs 524 Helical Coil Torsion Springs 532 Belleville Springs 539 Miscellaneous Springs 540 Summary 542 Problems 542 Rolling-Contact Bearings 549 Bearing Types 550 Bearing Life 553 Bearing Load Life at Rated Reliability 554 Bearing Survival: Reliability versus Lifes oo) Relating Load, Life, and Reliability 557 Combined Radial and Thrust Loading 559 Variable Loading 564 Selection of Ball and Cylindrical Roller Bearings 568 Selection of Tapered Roller Bearings 571 Design Assessment for Selected Rolling-Contact Bearings 58211-11 Lubrication 586 Mounting and Enclosure 587 Problems 591 Lubrication and Journal Bearings 597 Types of Lubrication 598 Viscosity 599 Petroff’s Equation 601 Stable Lubrication 603 Thick-Film Lubrication 604 Hydrodynamic Theory 605 Design Considerations 609 The Relations of the Variables 611 Steady-State Conditions in Self-Contained Bearings 625 Clearance 628 Pressure-Fed Bearings 630 Loads and Materials 636 Bearing Types 638 Thrust Bearings 639 Boundary-Lubricated Bearings 640 Problems 649 Gears—General 653 Types of Gear 654 Nomenclature 655 Conjugate Action 657 Involute Properties 658 Fundamentals 658 Contact Ratio 664 Interference 665 The Forming of Gear Teeth 667 Straight Bevel Gears 670 Parallel Helical Gears 671 Worm Gears 675 Tooth Systems 676 Gear Trains 678 Force Analysis—Spur Gearing 685 Force Analysis—Bevel Gearing 689 Force Analysis—Helical Gearing 692 Contents xiii Force Analysis—Worm Gearing 694 Problems 700 Spur and Helical Gears 713 The Lewis Bending Equation 714 Surface Durability 723 AGMA Stress Equations 725 AGMA Strength Equations 727 Geometry Factors J and J (Z, and Y,) 731 The Elastic Coefficient C, (Z;) 736 Dynamic Factor K, 736 Overload Factor K, 738 Surface Condition Factor C,(Zp) 738 Size Factor K, 739 Load-Distribution Factor K,, (K,) 739 Hardness-Ratio Factor C, 741 Stress Cycle Life Factors Yy and Z, 742 Reliability Factor Kp (Y7) 743 Temperature Factor K,; (Y,) 744 Rim-Thickness Factor K, 744 Safety Factors S$, and S,, 745 Analysis 745 Design of a Gear Mesh 755 Problems 760 Bevel and Worm Gears 765 Bevel Gearing—General 766 Bevel-Gear Stresses and Strengths 768 AGMA Equation Factors 771 Straight-Bevel Gear Analysis 783 Design of a Straight-Bevel Gear Mesh 786 Worm Gearing—AGMA Equation 789 Worm-Gear Analysis 793 Designing a Worm-Gear Mesh 797 Buckingham Wear Load 800 Problems 801 Clutches, Brakes, Couplings, and Flywheels 805 Static Analysis of Clutches and Brakes 807 Internal Expanding Rim Clutches and Brakes 812xiv Mechanical Engineering Design External Contracting Rim Clutches and Brakes 820 Band-Type Clutches and Brakes 824 Frictional-Contact Axial Clutches 825 Disk Brakes 829 Cone Clutches and Brakes 833 Energy Considerations 836 Temperature Rise 837 Friction Materials 841 Miscellaneous Clutches and Couplings 844 Flywheels 846 Problems 851 Flexible Mechanical Elements 859 Belts 860 Flat- and Round-Belt Drives 863 V Belts 878 Timing Belts 886 Roller Chain 887 Wire Rope 896 Flexible Shafts 904 Problems 905 Power Transmission Case Study 913 Design Sequence for Power Transmission 915 Power and Torque Requirements 916 Gear Specification 916 Shaft Layout 923 Force Analysis 925 Shaft Material Selection 925 Shaft Design for Stress 926 Shaft Design for Deflection 926 Index A Abrasion, 723 ABS group, 54 Absolute system of units, 21 Absolute tolerance system, 20 Absolute viscosity, 600 Acetal group, 54 Acme threads, 398-400 Acrylic, 54 Actual stress, 30 Adams, R. D., 483, 489 Addendum, 656 Addendum circle, 656 Adhesive bonding, 480-489 Adhesive joint design, 486-488 Admiralty metal, 53 AGMA equations/standards bevel gears, 769-783 spur and helical gears, 715-716, 725-745 worm gears, 789-792 AISC code, 471, 472 Algor, 934 Alkyd, 55 Allowance, 19 Alloy cast irons, 50 Alloy steels, 47-48 Allylic, 55 Aluminum, 51-52 numbering system, 41 physical constants, 987 tensile tests, 1023 Aluminum alloy, 51-52, 637, 1023, 1027 Aluminum alloy designations, 41 Aluminum brass, 53 Aluminum bronze, 53-54 American Gear Manufacturers Association (AGMA), 714. See also AGMA equation/standards American Standard Pipe, 1019 Amino group, 55 Anaerobic adhesives, 482 Analysis and optimization, 7 Analysis tools, 912—982 case study. See Power transmission case study FEA, 933-955. See also Finiteelement analysis (FEA) 1040 statistics, 957-982. See also Statistical considerations Anderson, G. P., 489 Angle of action, 662 Angle of approach, 662 Angle of articulation, 888 Angle of recess, 662 Angle of twist, 95, 97 Angular-contact bearing, 551, 552 Annealing, 45 Annular-pad segment of a caliper brake, 830 Anodizing, 51 Answers to selected problems, 1039-1043 ANSYS, 934 Antiflutter adhesive bonding, 481 Antifriction-bearing lubricant, 587 Antifriction bearings, 550. See also Rolling—constant bearings Arc of action, 664 Arc of approach, 664 Arc of recess, 664 Arc-weld symbol, 459 Argyris, J. H., 935n Arithmetic mean, 960 Ashby charts, 59-62 Ashby, Mike F., 57-62 ASM Metals Handbook, 261 ASME elliptic failure criterion, 297-300 ASTM numbering system, 41 ASTM specifications (steel bolts), 419 Atkins, Anthony G., 231n Automated mesh generation, 943 Automobile body, 481 Automotive axle, 348 Automotive disk brake, 829 Average life, 554 AWS code, 472 AWS standard welding symbol, 458 Axial pitch, 672, 675 Axle, 348 B Bio life, 554 Backlash, 656 Bainite, 45 Bairstow, L., 268n Ball bearings, 550. See Rolling-constant bearings Ball bushings, 553 Band-type clutches/brakes, 824-825 Barsom, J. M., 272 Barth, Carl G., 719 Barth equation, 719 Base circle, 658, 660 Base pitch, 662 Base units, 21 Bathe, K. J., 953n Bazant, Z. P., 182n BCM theory, 227 Beach marks, 258 Beam. See also Shear, moment and deflection of beams asymmetrical sections, 89-90 bending moments, 71—72 bending stresses, 85—90 curved, in bending, 112-116 deflection, 146-156 shear force, 71-72 shear stresses, 90-95 two-plane bending, 88 Beam deflection methods, 146-156 Bearing alloys, 637 Bearing characteristic number, 602 Bearing life, 553 Bearing load-life log-log curve, 554 Bearing mountings, 571, 573, 587-590 Bearing pressure, 899-900 Bearing Selection Handbook—Revised, oy, Se Bearing stress, 437 Been F Pe LO2ns 14 7ny l73n Belegundu, A. D., 941n Belleville springs, 539, 540 Belt, 860-887 flat. See Flat belts nonreversing/reversing drives, 861 round, 860. See also Flat belts timing, 860, 862-863, 886-887 types, 860 V. See V belts Belting equation, 865, 867 Belt-tension schemes, 872 Bending and deflection, 144-146Bending moments (beams), 71—72 Bending properties (fillet welds), 470 Bending strength geometry factor, 7132-133, 773,774 Bending strength stress-cycle factor, 743 Bending stress beams, 85-95 bevel gears, 771, 779-782, 787-788 Lewis bending equation, 714-723 spur and helical gears, 725-731, 746, 750, 752-753 torsion springs, 534 welded joints, 469-471 Bennett, S. J., 489 Bergstrasser factor, 501, 519 Beryllium bronze, 54 Beryllium copper, 987 Beryllium-copper wire, 508 Bethlehem Steel, 47 Bevel gears, 655, 670-671, 766-788. See also Gears AGMA equation factors, 769-783 bending stress, 771, 779-782, 787-7188 carburized case-hard materials, 782-783 contact stress, 768-771, 778, 779, 788 design of straight-bevel gear mesh, 786-788 dynamic factor, 771-772 elastic coefficient, 778 force analysis, 689-692 geometry factors, 773, 774 hardness-ratio factor, 776, 777 intersecting- vs. offset- shaft, 768 load-distribution factor, 773 overload factor, 771 reliability factors, 777, 778 safety factors, 771 size factor, 773 straight-bevel gear analysis, 783-785 stress cycle factors, 775, 776 stresses/strengths, 768-771, 778-782, 787-7188 through-hardening, 782 tooth system, 677 types, 670-671, 766-768 wear equations (summary), 781 Bevel lap joint, 483 Beyer, William H., 1038 Bilateral tolerance, 19 Binding head screw, 410 Bis-maleimide adhesive, 482 Blake, J. C., 423n Boedo, S., 934n Bolt preload, 411 Bolt strength, 417-421 Bolt torque/bolt tension, 422—425 Bolted and riveted joints loaded in shear, 435-443 Bonding, 480-489. See also Welding and bonding—permanent joints Book, overview, 4 Booser, E. R., 625n Boresi, Arthur P., 117n, 215n BOST-FLEX, 845 Bottom land, 656 Boundary conditions, 945-946 Boundary elements, 946 Boundary lubrication, 599, 641 Boundary representation (B-rep), 943 Boundary-lubricated bearings, 640-648 bushing wear, 643-646 linear sliding wear, 641-643 temperature rise, 646-648 Bowman Distribution, 424, 427 Boyd, John, 611-612 Brake linings, 843 Brakes, 805-858. See also Clutches, brakes, etc. Brandes, E. A., 283n Brass, 52-53, 987 Breakeven points, 13-14 B-rep, 943 Brinell hardness, 36 Brinson, H. F., 489 Brittle-Coulomb-Mohr (BCM) theory, 227 Brittle materials, 29, 106, 226-230. See also Failure of brittle materials Broek, D., 231n Broghamer, E. I., 723n Bronze, 53-54 Brown, Thomas H., Jr., 46n, 47n, 165n, 275n, 349n, 370n, 379n, 507n, 508, 738n Bubble chart, 59 Buckingham, Earle, 319-321, 792, 800, 801 Buckingham load-stress factor, 320 Buckingham wear load, 800-801 Buckingham's adaptation of Lewis equation, 792 Budynas, Richard G., 83n, 97n, 107n, 113n, 147n, 157, 163n, 228n, 946n, 949n Burnishing, 670 Bushed-pin bearings, 641 Bushing, 598, 638 Bushing wear, 643-646 Butt and fillet welds, 460-463. See also Fillet welds Butt strap lap joint, 483 Button-pad caliper brake, 832, 833 Index 1041 C CAD software, 8—9, 934. See also Finite-element analysis (FEA) Cadmium, 637 CAE, 9 Calculations and significant figures, 22-27 Caliper brakes, 829-833 Cantilever end load, 993 intermediate load, 993 moment load, 994 uniform load, 994 Cap-screw heads, 409 Carbon steel, 987, 1030 Carburized case-hard materials, 782-783 Carlson, Harold C. R., 506 Cartesian stress components, 75—76 Cartridge brass, 53 Case hardening, 47 Case study. See Power transmission case study Case-hardened part, 285—286 Cast iron, 41, 49-50. See also Gray cast iron Cast steels, 51 Castigliano's theorem, 158-163, 502 Casting alloys, 51 Castings materials, 49-57 Catalog load rating, 554 Catenary theory, 872 CD steel, 1020 CDE I59 Cedolin, L., 182n Cellosics adhesive, 482 Centistokes (cSt), 600 Central loading columns, 173-176 fixed supports, 999 one fixed and one simple support, 998 simple supports, 995 Centrifugal castings, 42, 667 Centrifugal clutch, 812 Centroidal axis, 85, 113 Ceramics, 57 Cermet pads, 843 CES Edupack, 57 cgs units, 600 Chain drives, 887-895. See also Roller chain Chain velocity, 889 Chains for Power Transmission and Materials Handling, 891 Chandrupatla, T. R., 941n Charpy notched-bar test, 38, 39 Chevron lines, 2591042 Mechanical Engineering Design Chilled-cast gears, 790 Chordal speed variation, 890 Choudury, M., 415n, 416 Chrome-silicon wire, 506—508 Chrome-vanadium wire, 506—508 Chromium, 47 Chromium-nickel stainless steels, 49 Circle, 1016 Circular pitch, 655, 656, 672 Circular-pad caliper brake, 832, 833 Clamshell marks, 258 Class frequency, 32 Claussen, G. E., 462n Clearance defined,19 gears, 656 journal bearings, 628-630 worm gears, 792 Clearance circle, 656 Clearance fits, 385 Close running fit, 385 Closed thin-walled tubes, 102 Close-wound, 526 Clough, R. W., 936n Clutches, brakes, etc., 805-858 band-type clutches/brakes, 824-825 brake linings, 843 cone clutches/brakes, 833-835 couplings, 806, 844-845 disk brake, 829-833 drum brake, 812-824, 829 energy considerations, 836-837 external contracting clutches/brakes, 820-824 factors to consider, 806 flywheel, 806, 846-85| friction materials, 841-844 frictional-contact axial clutch, 825-828 internal expanding clutches/brakes, 812-820 overload release clutch, 844, 845 overrunning clutch/coupling, 845 rim clutches/brakes, 812-820 self-acting/self-locking phenomenon, 809 self-deenergization, 807 self-energization, 807, 829 shaft couplings, 845 slippage, 806 square-jaw clutch, 844, 845 static analysis, 807-811 temperature rise, 837-841 Coarse-pitch threads, 398, 399 Code, 12 Coefficient of friction boundary-lubricated bearings, 642 clutches/brakes, 809 journal bearings, 618, 619 screw threads, 407, 408 worm gears, 795 Coefficient of speed fluctuation, 847 Coefficient of variation, 962 Coin pari 70m Cold drawing, 44 Cold forming, 667 Cold rolling, 44, 667 Cold working, 33-35 Cold-drawn (CD) steel, 1020 Cold-finished bars, 44 Cold-rolled bars, 44 Cold-work factor, 34 Cold-working processes, 44 Collins, J. A., 272n, 296, 319n Columns, 173. See also Compression members Combination of loading modes, 309-313, 339 Commercial bronze, 52 Commercial seal, 590 Companion distribution, 967 Completely reversed sinusoidal stress, 293 Completely reversing simple loads, 309, 337-338 Composite materials, 55—56 Compound reverted gear train, 681, 914 Compression members, 173-181 columns with eccentric loading, 176-180 intermediate-length columns with central loading, 176 long columns with central loading, 173-176 struts, 180-181 Compression springs, 502-503. See also Mechanical springs end-condition constant, 504 fatigue loading, 518-524 spring ends, 502-503 static loading, 510-516 Compressive strengths, 30-31 Compressive stress, 75, 182 Computational errors, 936 Computational tools, 8-9 Computer-aided design (CAD), 8-9, 934. See also Finite-element analysis (FEA) Computer-aided engineering (CAB), 9 Comyn, J., 483, 489 Concept design, 6-7 Cone angle, 833 Cone clutches/brakes, 833-835 Conical spring, 540 Conjugate action, 657 Constanit-force spring, 540, 541 Constructive solid geometry (CSG), 943 Contact adhesives, 482 Contact fatigue strength, 320 Contact geometry factor, 773, 774 Contact ratio, 664-665 Contact strength, 320 Contact stress, 117-120. See also Stress Contact stress cycle factor for pitting resistance, 775 Continuous random variable, 959 Cook, R. D., 949n, 953n Copper, 987 Copper-base alloys, 52-54 Copper-lead, 637 Correlation coefficient, 975 Corrosion, 286 corrosion-resistant steels, 48-49 Cost, 12-15 Cost estimates, 15 Coulomb-Mohr theory, 219-222 Couplings, 806, 844-845. See also Clutches, brakes, etc. Courant, R., 935n cP, 600 Crack formation, 259 Crack growth, 232, 271-273 Crack propagation modes, 233 Crafts, W., 47n Gieepeso Creep-time curve, 40 Critical buckling load, 949-951 Critical frequency of helical springs, 516-518 Critical speeds, 371-376 Critical stress intensity factor, 234 Critical unit load, 174 Crossed belt, 861, 863 Crowned pulleys, 860 Crowning factor for pitting, 773 CSG, 943 cSt, 600 Cumulative density function (CDF), 959 Cumulative fatigue damage, 313-319 Cumulative frequency distribution, 960 Cumulative probability distribution, 959 Curvature effect, 501-502 Curved beams in bending, 112-116 Curved members and deflection, 163—167 Curved-beam theory, 534 Cyanoacrylate adhesive, 482 Cyclic frequency, 286 Cylinder, 1018 Cylindrical contact, 118-120 Cylindrical fit, 384 D Dahleh, Marie Dillon, 184n, 371n, 372n Damage theories, 313-319 Damage-tolerant design, 231 Dandage, S., 615Daniel, I. M., 55n Datsko, Joseph, 34n, 1023 DB mounting, 589 DCM theory, 219-222 DE theory, 213-219, 246 De Wolf, J. T., 102n Decimal inches (preferred sizes), 1015 Dedendum, 656 Dedendum circle, 656 Deep-groove bearing, 551 Definition of problem, 6 Deflection FEA, 946 helical springs, 502 power transmission systems, 926-927 shaft, 367-370 SI units, 987 springs, 502, 534-536 stiffness. See Deflection and stiffness torsion springs, 534-536 Deflection and stiffness, 141-203. See also Shear, moment and deflection of beams beam deflection methods, 146-156 bending and deflection, 144-146 Castighano's theorem, 158-163 compression members, 173-181. See also Compression members curved members, 163-167 elastic stability, 182—183 impact, 183-184 shock, 183-184 spring rates, 142-143 statically indeterminate problems, 168-173 strain energy, 156-158 suddenly applied loading, 184-186 superimposition, 147-150 tension, compression, torsion, 143 variable-cross-section punch-press frame, 166—167 Degrees of freedom (dof's), 935, 939 Derived unit, 21 Design, 4-5 Design considerations, 8 Design factor, 17-18 Design factor in fatigue, 334-336 Design process, 5—7 Design tools and resources, 8-10 Deterministic method, 16-17 Deterministic quantity, 962 Deviation, 383 DeVries, K. L., 489 DeWolf, J. T., 147n, 173n DF mounting, 589 Diameter series, 560 Diametral clearance, 19 Diametral pitch, 656 Diamond Chain Company, 894 Die castings, 42, 667 Dieter, George E., 8n Dillard, David A., 480n Dimensioning, 19-21 Dimension-series code, 560 Direct load, 440 Direct mounting, 571, 573 Directional characteristics, 285 Discontinuity, 259 Discrete frequency histogram, 961 Discrete random variable, 959 Discretization errors, 936 Disk brake, 829-833 Disk friction member, 826 Distortion-energy (DE) theory, 213-219, 246 dottsa925,1939 Dolan, Thomas J., 296, 723n Doorstop, 807, 808 Double butt trap lap joint, 483 Double helical gears, 671 Double V-groove weld, 460 Double-enveloping worm-gear set, 655 Double-lap joint, 483, 484 Double-row bearings, 551, 552 Double-strand roller chain, 887 Double-threaded, 396 Douglas fir, 987 Dowel pin, 379 Dowling, N. E., 222, 228, 270n, 272, 294n Drawing, 46 Drive pin, 379 Drum brake, 812—824, 829 DT mounting, 589 Ductile cast iron, 50 Ductile Coulomb-Mohr (DCM) theory, 219-222 Ductile materials, 29, 30, 211-225. See also Failure of ductile materials Ductility, 34 Dudley, Darle W., 730 Dunkerley's equation, 374 Duplexing, 589 Dyn, 600 Dynamic equivalent radial loads, 578-579 Dynamic factor bevel gears, 771-772 spur and helical gears, 736-738 E Eccentric loading columns, 176-180 shear joints, 439-443 Eccentrically loaded column, 176-180 Eccentrically loaded strut, 180 Index 1043 Eccentricity, 604 Eccentricity ratio, 177, 605 Economics, 12-15 Edge shearing, 436, 437, 439 Effective arc, 863 Effective dimension, 28] Effective slenderness ratio, 504 BHD 5375 999 Elastic coefficient, 724 bevel gears, 778 spur and helical gears, 736, 737 Elastic creep, 863 Elastic limit, 29 Elastic machine elements. See Flexible mechanical elements Elastic stability, 182-183 Elastic strain, 83-84 Elasticity, 142 Elastic-strain line, 270 Elastohydrodynamic lubrication (EHD), Se, Se) Elastomers, 58 Electrolytic plating, 286 Element geometries, 937-939 Element library, 937 Element loads, 945 Elimination approach, 941 End load, cantilever, 993 End-condition constant, 174, 504 End-of-chapter problems, answers, 1039-1043 Endurance limit, 264, 274-275 case-hardened part, 285-286 corrosion, 286 cyclic frequency, 286 directional characteristics, 285 electrolytic plating, 286 frettage corrosion, 286 loading factor, 282 metal spraying, 286 miscellaneous-effects factor, 285-286 modifying (Marin) factors, 278-286, 323-326 reliability factor, 284, 285 residual stress, 285 size factor, 280-281 stochastic analysis, 322-326 surface factor, 279 temperature factor, 282-284 Endurance limit modifying factors, 278-286, 323-326 Energy brakes/clutches, 836-837 strain, 156-158 Engineering, 264 Engineering stresses/strengths, 30, 31 Engineering stress-strain diagrams, 30 Engineer's creed, 11 Engraver's brass, 531044 Mechanical Engineering Design Ensign, C. R., 318n EP lubricants, 640 Epicyclic gear trains, 683 Epoxy, 55 Eppinger, Steven D., 15n Equation AGMA. See AGMA equations/standards Barth, 719 belting, 865, 867 Dunkerley's, 374 Euler's, 849 Lewis bending, 714-723 Marin, 279 modified Neuber, 327 multipoint constraint, 946 Neuber, 288 Newton's energy loss, 838-839 normal coupling, 241 Petroff's, 602 piecewise differential, 184 plane-stress transformation, 76 Rayleigh's, 371 Reynolds, 609 Equilibrium, 68 Equivalent bending load, 897, 902 Equivalent radial load, 559, 560 Euler column formula, 174 Euler's equation, 849 Evaluation, 7 Expanding-ring clutch, 812 Extension springs, 524-532 External contracting clutches/brakes, 820-824 External self-aligning bearing, 551 Extreme-pressure (EP) lubricants, 640 Extrusion, 43, 667 F Face width, 678 Face-contact ratio, 731 Factor of safety, 17 Factors of safety. See Safety factors Failure of brittle materials, 226-230 BCM theory, 227 MM theory, 227-228 MNS theory, 226-227 selection flowchart, 230 summary, 229-230 Failure of ductile materials, 21 1—225 Coulomb-Mohr theory, 219-222 DE theory, 213-219 MSS theory, 211-212 selection flowchart, 230 summary, 222—225 Failure prevention, 204-345 brittle materials, 226—230. See also Failure of brittle materials ductile materials, 211-225. See also Failure of ductile materials failure theory selection flowchart, 230 fatigue failure, 257-345. See also Fatigue failure—variable loading static loading, 205-255. See also Failure—static loading Failure theory selection flowchart, 230 Failure—static loading, 205-255 brittle materials, 226-230. See also Failure of brittle materials compression springs, 510-516 ductile materials, 21 1-225. See also Failure of ductile materials failure theory selection flowchart, 230 fracture mechanics, 231—240 photographs of failed parts, 206-208 static strength, 208-209 stochastic analysis, 240-246 stress concentration, 106, 209-210 welding, 474-477 Fastener, 408-410. See also Screws and fasteners—nonpermanent joints Fastener stiffness, 410-413 Fatigue crack growth, 271-273 Fatigue ductility coefficient, 269 Fatigue ductility exponent, 269 Fatigue factor of safety, 299, 300 Fatigue failure, 258-263 Fatigue failure—variable loading, 257-345 ASME-elliptic line, 297—300 ball bearings, 564-568 combination of loading modes, 309-313, 339 completely reversing simple loads, 309, 337-338 cumulative fatigue damage, 313-319 design factor, 334-336 endurance limit, 274-275. See also Endurance limit fatigue failure, 258-263 fatigue strength, 275-278 fluctuating simple loads, 309, 338-339 fluctuating stress, 292-309, 330-334 Gerber line, 297-299 Langer line, 297-300 linear-elastic fracture mechanics method, 270-274 Manson method, 318 Marin factors, 278-286 Miner rule, 314-317 modified Goodman diagram, 295 modified Goodman line, 297-299 notch sensitivity, 287-292, 326-330 overview, 264—265 Smith-Dolan locus, 306 Soderberg line, 297-298 strain-life method, 268-270 stress concentration, 287-292, 326-330 stress-life method, 266-268 surface fatigue strength, 319-322 torsional fatigue strength (fluctuating stress), 309 Fatigue loading compression springs, 518-524 tension joints, 429-435 welding, 478-480 Fatigue ration, 322, 324 Fatigue strength, 267, 275-278 Fatigue strength coefficient, 269 Fatigue strength exponent, 270 Fatigue stress-concentration factor, IE ee Fatigue-life methods, 265-274 linear-elastic fracture mechanics method, 270-274 strain-life method, 268-270 stress-life method, 266-268 Fazekas, G. A., 833 FEA, 933-955. See also Finite-element analysis (FEA) Felbeck, David K., 231n Felt seal, 590 Ferritic chromium steels, 49 Field, J., 47n Filler, 55 Fillet, 661 Fillet welds, 460-463 bending properties, 470 parallel, 463 stress distribution, 463 symbols, 459 torsional properties, 466 transverse, 461 Filling notch, 551, 552 Fillister head screw, 409, 410 Film pressure, 621-622 Fine-pitch threads, 398, 399 Finishing the tooth profiles, 670 Finite-element analysis (FEA), 933-935 boundary conditions, 945—946 critical buckling load, 949-951 deflection, 946 element geometries, 937-939 elimination approach, 941 errors, 935-936 historical overview, 935—936 load application, 944-945 mesh generation, 941 modal analysis, 951—952 modeling techniques, 946-949 nodes, 937 partitioning, 941reference books, 953 solution process, 939-942 sources of information, 953 stress concentration, 943, 948 thermal stress, 949 vibration analysis, 951-952 Finite-life region, 267 Firbank, T. C., 863-864 First-cycle yield (Langer), 297-300 Fit, 383-388 Fitted bearing, 605 Fixed supports center load, 999 intermediate load, 1000 uniform load, 1000 Fixed-pad thrust bearing, 639 Flanged two-piece bearings, 638 Flat belts, 860, 862, 863-878 analysis, 868 belting equation, 865, 867 belt-tension schemes, 872 crown height, 869, 871 decision set, 873 efficiency, 863 Firbank's theory, 863-864 flat metal belts, 875-878 geometry, 860, 861 initial tension, 872 materials, 869 pulley correction factor, 869, 871 pulley sizes, 869 tensions, 875 Flat head screw, 410 Flat metal belts, 875-878 Flat springs, 500 Flexible clutch and brake bands, 824-825 Flexible mechanical elements, 859-91 | belt. See Belt flexible shafts, 904-905 inspection schedule, 860 roller chain, 887-895. See also Roller chain wire rope, 896-904. See also Wire rope Flexible shafts, 904-905 Flexural endurance limit, 319 Flexure formula, 90 Floating caliper brake, 829 Floating shoe, 812, 813 Fluctuating simple loads, 309, 338-339 Fluctuating stress, 292-309, 330-334 Fluid lubrication, 598 Fluoroplastic group, 54 Flywheel, 806, 846-851. See also Clutches, brakes, etc. Foams, 58 Force analysis bevel gears, 689-692 helical gears, 692-694 power transmission system, 925 spur gears, 685-689 worm gears, 694-697 Force fit, 385 Forging, 43 Form cutting, 667 Formulated hot melt adhesive, 482 Forest; P\Gs325n Forys, Edward, 503n Fourier series, 147 fps system, 21-22 Fraction of inches (preferred sizes), 1015 Fracture mechanics, 231-240, 270-274 Fracture toughness, 236 Free running fit, 385 Free-body diagram, 69 Free-cutting brass, 53 Frequency distribution, 959 Frequency function, 959 Presche, J. C., 318n Frettage corrosion, 286 Friction coefficient. See Coefficient of friction internal-friction theory, 219 Friction drives, 875-878 Friction variable, 618 Frictional-contact axial clutch, 825-828 Fuchs, H. O., 272n Full bearing, 605 Full-film lubrication, 598 Full-gasketed joints, 429 Fully automated mesh generation, 943 Fundamental deviation, 383 G Gamma function, 1038 Gasketed joints, 429 Gas-weld symbols, 459 Gates Rubber Company, 880, 884 Gauges, 1031-1032 Gaussian distribution, 965-966, 1001-1002 Gear reducer, 70 Gear train, 678-685 Gears, 653-804 bevel. See Bevel gears conjugate action, 657 contact ratio, 664-665 drawing gear teeth, 658-664 finishing the tooth profiles, 670 force analysis, 685-697. See also Force analysis forming of gear teeth, 667 gear train, 678-685 helical. See Spurs and helical gears Index 1045 hobbing, 669 interference, 665-667 involute properties, 658 milling, 668 nomenclature, 655-656 power transmission system, 916-923 shaping, 668-669 spur. See Spur gears tooth systems, 676-678 types, 654-655 worm. See Worm gears General three-dimensional stress, 82-83 Generating cutters, 667 Generating line, 659 Genetic properties, 1016-1018 circle, 1016 cylinder, 1018 hollow circle, 1016 hollow cylinder, 1018 quarter-circle, 1017 rectangle, 1016 rectangular prism, 1018 right triangle, 1017 rods, 1018 round disk, 1018 Geometrix stress-concentration factor, 105 Geometry factors bevel gears, 773, 774 spur and helical gears, 731—736 Gerber, 298 Gerber failure criterion, 297-299 Gere, J. M., 182n Gib-head key, 380 Gilding brass, 52 Glass, 58, 987 Global instabilities, 182 Goodier, J. N., 103n Goodman failure criterion, 297-299 Goodman line, 297 Gordon, S. A., 275, 322n, 1030 Gough's data, 322 Gravitational system of units, 21 Gravity loading, 945 Gray cast iron, 49, 106, 987, 1026 Green, I., 415n, 416 Grinding, 670 Grip, 411 Groove welds, 460 Grooved pulleys, 860 Grossman, M. A., 47n Grover, H. J., 275, 296, 322n, 1030 Guest theory, 211 H Hagen-Poiseuille law, 600 Hard-drawn wire, 506-5081046 Mechanical Engineering Design Hardness, 36-37 Hardness-ratio factor bevel gears, 776, 777 spur and helical gears, 741-742 Haringx, J. A., 504n Haugen, E. B., 284n, 1029 HD spring, 506-508 Heading, 44 Heat-treated steel, 44-47, 1021-1022 Heavy hexagonal screws, 1034 Helical coil compression springs. See Compression springs Helical coil extension spring, 524—532 Helical coil torsion springs, 532-539 bending stress, 534 deflection, 534-536 end location, 533-534 fatigue strength, 536-537 spring rate, 534 static strength, 536 where used, 533 Helical gears, 654, 671-675, 692-694. See also Spur and helical gears Helical rollers, 552 Helical springs. See Mechanical springs Helical-gear geometry factors, 734 Helix angle, 672 Hellan, Kare, 231n Hertzian endurance strength, 320 Hertzian stress, 117, 724 Hexagonal nuts, 409, 1035 Hexagonal socket head, 409, 410 Hexagon-head bolt, 408, 409 Hexagon-head cap screw, 409, 1034 Heywood, R. B., 327n Heywood's parameter, 327 Hidden cycle, 313, 314 High-cycle fatigue, 267 High-leaded brass, 53 Hobbing, 669 Holding power, 376 Hole basis, 383 Hollow circle, 1016 Hollow cylinder, 1018 Hooke's law, 29 Hoop stress, 108 Hopkins, Bruce R., 370n Horger, Oscar J., 279n, 280, 296, 518n Horizontal shear stress, 94 Hot rolling, 43 Hot-rolled (HR) steel, 1020 Hot-working processes, 43 HR steel, 1020 Hrennikoff, A., 935n Hybrid materials, 58 Hydraulic clutch, 812 Hydrodynamic lubrication, 598 Hydrodynamic theory, 605-609 Hydrostatic lubrication, 599 Hypoid gears, 767, 768 I Identification of need, 5—6 Idle arc, 864 Impact, 183-184 Impact load, 37 Impact properties, 37-39 Impact value, 38 Impact wrenching, 422 Inch-pound-second system (ips), 21 Inconel, 987 Inconel alloy, 508 Indexing, 514 Indirect mounting, 571, 573 Induction motor, 850 Infinite-life region, 267 Influence coefficients, 372 Information sources, 9 Injection molding, 668 Instrument bearings, 553 Interference, 240 defined,19 gears, 665-667 static loading, 244-246 Interference fits, 385-388 Intermediate load cantilever, 993 fixed supports, 1000 one fixed and one simple support, 998 simple supports, 995 Internal expanding clutches/brakes, 812-820 Internal gear and pinion, 662, 663 Internal shear force, 71 Internal-friction theory, 219 Internal-shoe device, 812-820 International System of Units. See SI units International tolerance grades, 383, 384, 1002, 1004 Intersecting-shaft bevel-type gearings, 768 Invention of the concept, 6-7 Investment casting, 42, 667 Involute curve, 659 Involute helicoid, 671 Involute profile, 657 Involute properties, 658 Involute-toothed pinion and rack, 662 ips system, 21-22 Ishai, O., 55n IT numbers, 383, 384, 1002, 1004 Tromyer4 sin Izod notched-bar test, 38, 39 J J. B. Johnson formula, 176 Jackson, L. R., 275, 322n, 1030 Jam nut, 410 Jensen, J. K., 760n J-groove weld, 460 Joerres, Robert E., 309, 507n, 508 Johnson, J. E., 182n Johnston, E. R., Jr., 102n, 147n, 173n Joint, 395-497. See also Screws and fasteners—nonpermanent joints Jominy test, 47 Journal, 598 Journal bearings. See Lubrication and journal bearings Joyce worm-gear screw jack, 400 Juvinall, R. C., 267, 294n K Karelitz, G. B., 625n Kelsey, S., 935n Kennedy, J. B., 325n Key, 378-382, 928-929 Kilopound, 21 Kinematic viscosity, 600 Kinloch, A. J., 489 Kip, 21 Krause, D. E., 37n Kuguel, R., 281n Kurtz, H. J., 423n L Lio life, 554 Labyrinth seal, 590 Lamont, J. L., 47n Landgraf, R. W., 268n, 270n Langer line, 297-300 Lang-lay ropes, 896 Lapping, 670 Law of action and reaction, 69 lbf-s*/ft, 21 Ibf-s*/in, 21 LCR helical gears, 732 Lead, 396, 676, 987 Lead angle, 676 Lead-base babbitt, 637 Leaded bronze, 637 Leather, 869 Lees, W. A., 489 LEFM, 231, 270-274 Leibensperger, R. L., 587n Lemmon, D. C., 625n Lengthwise curvature factor for bending strength, 773 beny, Ss, SSSLewis bending equation, 714-723 Lewis form factor, 717, 718 Lewis, Wilfred, 714 Light-duty toothed coupling, 845 Limits, 19 Limits and fits, 383-388 Line elements, 937 Line of action, 657, 659, 662 Line of contact, 120 Linear damage hypothesis, 566 Linear damage theory, 564 Linear elastic fracture mechanics (LEFM), 231, 270-274 Linear regression, 974-977 Linear sliding wear, 641-643 Linear spring, 142 Lined bushing, 638 Link plates, 891 Link-type V belts, 880 Lipp, Robert, 665n, 674n Lipson, C., 279n, 280 Little, R. E., 414n Load. See Load/loading Load and stress analysis, 67-139 beams—bending stresses, 85—90 beams—shear stresses, 90-95 bending moments (beams), 71-72 Cartesian stress components, 75—76 contact stress, 117-120 curved beams in bending, 112-116 elastic strain, 83-84 equilibrium, 68 free-body diagrams, 69 general three-dimensional stress, 82-83 Mohr's circle, 76-82 press and shrink fits, 110-111 pressurized cylinders—stress, 107-109 rotating rings—stress, 110 shear force (beams), 71—72 singularity functions, 73—75 stress, 75 stress concentration, 105—107. See also Stress concentration temperature effects, 111-112 torsion, 95-104 uniformly distributed stresses, 84-85 Load factor, 425 Load intensity, 71 Load zone, 572 Load-distribution factor bevel gears, 773 spur and helical gears, 739-740 Loading factor, 282 Load/loading ball bearings—combined radial and thrust loading, 559-564 ball bearings—variable loading, 564-568 central. See Central loading critical buckling load, 949-951 direct load, 440 eccentric. See Eccentric loading end load, cantilever, 993 fatigue. See Fatigue loading FEA, 944-945, 949-95] impact load, 37 intermediate load. See Intermediate load journal bearings, 636-638 overhanging load, simple supports, 997 proof load, 417 reverse loading, 780 shear. See Shear, moment and deflection of beams static load, 206. See also Failure— static loading suddenly applied loading, 184-186 transmitted load, 686, 689, 693 twin loads, simple supports, 997 uniform load. See Uniform load variable load. See Fatigue failure— variable loading Load-sharing ratio, 733 Load-stress factor, 320 Local instabilities, 182 Locational clearance fit, 385 Locational interference fit, 385 Locational transition fit, 385 Logan, D. L., 953n Logarithmic strain, 30 Lognormal distribution, 967-969 Long-time creep test, 39 Loose running fit, 385 Loose-side tension, 864 Low brass, 53 Low-contact-ratio (LCR) helical gears, 732 Low-cycle fatigue, 267 Lower deviation, 383 Low-leaded brass, 53 Lubricant, 598 Lubricant flow, 619-621 Lubricant sump, 621, 622, 625 Lubricant temperature rise, 622-624 Lubrication and journal bearings, 597-651. See also Rolling-constant bearings angular speed, 610 boundary-lubricated bearings, 640-648. See also Boundary—lubricated bearings bushing, 638 clearance, 628-630 coefficient of friction, 618, 619 design, 609-625 film pressure, 621-622 fitted bearing, 605 Index 1047 full bearing, 605 groove patterns, 638, 639 hydrodynamic theory, 605-609 interpolation, 624-625 loads, 636 lubricant flow, 619-621 lubricant temperature rise, 622-624 materials, 637-638 minimum film thickness, 616-618 nomenclature, 604 partial bearing, 604, 605 Petroff's equation, 601-603 pressure-fed bearings, 630-636 radial clearance, 628-630 Raimondi-Boyd analysis, 611-612, 616-625 relationships between variables, 609-610, 611-625 roller bearings, 587-588 self-contained bearings, 625-628 stable lubrication, 603-604 thick-film lubrication, 604-605 thrust bearings, 639, 640 Trumpler's design criteria, 610-611 types of lubrication, 598-599, 640-641 viscosity, 599-601 viscosity charts, 612-615 Liider lines, 211 M M profile, 396, 397 Mabie, H. H., 723n Macaulay functions, 72-75, 150-156 Macaulay, W. H., 72n McHenry, D., 935n Machine-screw head styles, 409, 410 McKee, S. A., 603n McKee, T. R., 603n McKee abscissa, 603 Magnesium, 52, 987 Magnesium alloys, 52 Magnetic clutch, 812 Major diameter, 396, 397 Major Poisson's ratio, 56 Malkus, D. S., 953n Malleable cast iron, 50 Manganese, 48 Manson, S. S., 318n Manson method, 318 Manson-Coffin relationship, 270 Manual-control shaft, 904 Margin of safety, 240 Marin equation, 279 Marin factors, 278-286, 323-326. See also Endurance limit Marin, Joseph, 222n, 279n Marin loading factor, 325, 326 Marshek, K. M., 294n1048 Mechanical Engineering Design Martensite, 45, 46, 275 Martin, H. C., 936n Material efficiency coefficient, 60 Material families and classes, 57-58 Material index, 61 Material selection, 56-63 Materials, 27-65 alloy steels, 47-48 aluminium. See Aluminum belt drives, 869 boundary-lubricated bearings, 641 brakes/clutches, 841-844 cast iron, 41, 49-50. See also Gray cast iron casting, 49-51 cold working, 33-35 cold-working processes, 44 composite, 55-56 corrosion-resistant steels, 48-49 finite life fatigue tests, 1029 flat metal belts, 877 hardness, 36-37 heat-treated steel, 44-47 hot-working processes, 43 impact properties, 37-39 investment casting, 42 journal bearings, 636-638 nonferrous metals, 51—54 numbering systems, 40-41 physical constants, 987 plastics, 54—55 powder-metallurgy process, 42—43 sand casting, 41-42 selection, 56-63 shaft, 348-349 shell molding, 42 spring, 505-510 stainless steel. See Stainless steel statistical significance, 32 steel. See Steel stochastic yield, 1028 strength and stiffness, 28-31 temperature effects, 39-40 ultimate strength, 1028 wire rope, 897 Materials selection charts, 57 Matrix, 55 Matthews, F. L., 489 Maximum load, 618 Maximum-normal-stress (MNS) theory, 226-227 Maximum-shear-stress (MSS) theory, 211-212 Maxwell's reciprocity theorem, 194, 372 Mean coil diameter, 500 Mechanical engineering design, 5 Mechanical springs, 499-547 Belleville springs, 539, 540 compression springs. See Compression springs conical spring, 540 constant-force spring, 540, 541 critical frequency, 516-518 curvature effect, 501-502 deflection, 502 extension springs, 524-532 materials, 505-510 spring ends, 503, 525 stability, 504 stresses, 500-501 surge, 516-518 torsion springs, 532-539. See also Helical coil torsion springs translational vibration, 516 volute spring, 540, 541 Median life, 554 Medium drive fit, 385 Member stiffness, 413-417 Mesh, 942 Mesh density, 942 Mesh generation, 941 Mesh refinement, 942 Metal belts, 875-878 Metal spraying, 286 Metal-mold castings, 42 Metals, 57 Metric system. See SI units Metric threads, 397, 398 Microreyn (mreyn), 600 Millimeters (preferred sizes), 1015 Milling, 668 Miner, M. A., 314n Miner rule, 314-317, 884 Minimum coefficient of friction, 618 Minimum film thickness, 604, 605, 616-618 Minimum life, 554 Minimum parasitic power loss, 618 Minimum weld-metal properties, 472 Minor diameter, 396, 397 Minor Poisson's ratio, 56 Miscellaneous-effects factor, 285-286 Mischke, Charles R., 35n, 46n, 47n, 147n, 165n, 167n, 228n, 275n, 280n, 322n, 349n, 370n, 379n, 480n, 507n, 508, 738n, 971n, 1023 Mitchiner, R. G., 723n Mixed-film lubrication, 640-641 MJ profile, 396-397 MM theory, 227-228 LN/P, 603 MNS theory, 226-227 Modal analysis, 951-952 Mode I crack, 233 Mode I, plane strain fracture toughness, 236 Modern Steels and Their Properties Handbook, 47 Modified Goodman diagram, 295 Modified Goodman failure criterion, 297-299 Modified Goodman line, 298 Modified Mohr (MM) theory, 227-22 Modified Neuber equation, 327 Modified phenolic adhesive, 482 Module, 656 Modulus of elasticity, 29, 83 Modulus of resilience, 65 Modulus of rigidity, 31 Modulus of rupture, 31 Modulus of toughness, 65 Mohr theory of failure, 219 Mohr's circle, 76-82 Mohr's circle diagram, 78, 79 Molded-asbestos lining, 843 Molded-asbestos pads, 843 Molybdenum, 48, 987 Moment. See Shear, moment and deflection of beams Moment connection, 464 Moment load, 441 cantilever, 994 simple supports, 996 Moment of area, 86 Moment-area method, 147 Monel metal, 987 Monte Carlo computer simulations, 21 Mounting antifriction bearings, 571, 573, 587-590 pereyn, 600 MSC/NASTRAN, 953 MSS theory, 211-212 Multiple-threaded, 396 Multipoint constraint equations, 946 Muntz metal, 53 Murakami, Y., 234n Music wire, 506-508 N Nachtigall, A. J., 318n Nagata, S., 413n NASA/FLAGRO 2.0, 273 NASTRAN, 934 Naval brass, 53 Neale, M. J., 630 Necking, 30 Needle bearings, 552, 553 Neuber constant, 288 Neuber equation, 288 Neutral axis, 85 Neutral plane, 85 Neville, A. M., 325n Newmark, N. M., 935n Newton (N), 21ewtonian fluids, 600 ewton's cooling model, 838 ewton's energy loss equation, 838-839 ewton's third law, 69 ewton's viscous effect, 599 ickel, 48 ickel silver, 987 ickel steel, 987 Nine-hoist problem, 901—902 Nitralloy, 731 Nitriding, 730 Nodal loads, 945 Node, 935, 937 N N N ZiZ Ze Yodular cast iron, 50 Voll, C. J., 279n, 280 Nominal mean stress method, 294 Nominal size, 19 Nominal stress, 105 Nominal stresses/strengths, 31 Nonferrous metals, 51—54 Nonlinear softening spring, 142, 143 Nonlinear stiffening spring, 142 Nonpermanent joints. See Screws and fasteners—nonpermanent joints Nonprecision bearings, 553 Nonreversing open belt, 861 Nonsinusoidal fluctuating stress, 293 Normal circular pitch, 672 Normal coupling equation, 241 Normal diametral pitch, 672 Normal distribution, 965-966, 1001-1002 Normal stress, 75 Normalizing, 45 Norris, C. H., 462n Notch sensitivity, 287-292, 326-330 Notched-bar tests, 38 Notch-sensitivity charts, 287, 288 Numbering systems, 40-41 Numerical integration, 147 Nylon, 54 Oo Octahedral shear stress, 215 Octahedral surfaces, 216 Octahedral-shear-stress theory, 215 Offset method, 29 Offset-shaft bevel-type gearings, 768 Oil quench, 45 Oil-actuated multiple-disk clutch-brake, 826 Oiles bearings, 641 Oiliness agents, 640 Oilite bearings, 641 Oil-tempered wire, 506-508 One fixed and one simple support center load, 998 intermediate load, 998 uniform load, 999 One-dimensional flow, 609 Open thin-walled sections, 103-104 Open-belt drive, 861, 863 Opening crack propagation mode, 233 OQ&T wire, 506-508 Osgood, C. C., 414n Oval head screw, 410 Overhanging load, simple supports, 997 Overload factor bevel gears, 771 spur and helical gears, 738 Overload release clutch, 844, 845 Overview of book, 4 P P, 600 Palmgren, A., 314n Palmgren-Miner cycle-ratio summation rule, 314 Parabolic formula, 176 Parallel fillet welds, 463 Parallel helical gears, 671-675. See also Spur and helical gears Parent distribution, 967 Paris, P. C., 231n, 234n Partial bearing, 604, 605 Particulate composite, 56 Partitioning, 941 Pa-s, 600 Pascal-second (Pa:s), 600 RDES959 Pedestal bearings, 625 Performance factors, 610 Permanent joints. See Welding and bonding—permanent joints Permanent-mold casting, 667 Peterson, R. E., 210, 723n. See also Pilkey, Walter D. Petroff's bearing model, 602 Petroff's equation, 602 Phenolics, 55 Phenylene oxide, 54 Phosphor bronze, 53, 987 Phosphor-bronze wire, 507, 508 Physical constants of materials, 987 Piecewise differential equations, 184 Pilkey, Walter D., 210n, 234n, 380n, 429n, 948n Pillow-block bearings, 625 Pin, 378-379 Pinion, 655, 656 Pinion cutter, 668 Piotrowski, George, 467n Pipe (American Standard Pipe), 1019 Pitchy 396397 Pitch circle, 655, 656, 657 Pitch diameter, 396, 397, 655, 656, 675 Pitch length, 880 Index 1049 Pitch point, 657, 659 Pitch radius, 657 Pitch-line velocity, 687, 691, 698 Pitting, 723 Pitting resistance geometry factor, 734, 773, 174 Pitting resistance stress-cycle factor, 743 Plane slider bearing, 606 Plane stress, 76 Plane-stress transformation equations, 76 Planetary gear trains, 683, 684 Plastics, 54-55 Plastic-strain line, 270 Pleshay Mabe 953n Pneumatic clutch, 812 Pocius, A. V., 481, 489 Poisson's ratio, 56, 63, 84, 387, 724, 876 Polyamide, 869 Polycarbonate, 54 Polyester, 54 Polyimide, 54 Polyimide adhesive, 482 Polymeric adhesives, 481 Polymers, 58 Polyphenylene sulfide, 54 Polystyrene group, 54 Polysulfone, 54 Polyvinyl chloride, 54 Popes JsAme22n Population, 960 Positioning drives, 875 Potential energy, 156 Powder-metallurgy process, 42-43, 667 Power screws, 400-408 Power transmission case study, 913-931 bearings, 927-928 design requirements, 23 design sequence, 915-916 design specifications, 24 final analysis, 931 force analysis, 925 gears, 916-923 key, 928-929 power requirements, 916 retaining ring, 929-931 shaft design for deflection, 926-927 shaft design for stress, 926 shaft layout, 923-925 shaft material selection, 925 torque, 916 Power-drive shaft, 904 Preferred sizes, 1015 Preload, 421, 425-428 Preloading, 590 Presentation, 71050 Mechanical Engineering Design Presetting, 503 Press and shrink fits, 1 10-111, 353 Pressure angle, 659 Pressure line, 659 Pressure-fed bearings, 630-636 Pressure-sensitive adhesives, 482 Pressurized cylinders, 107-109 Pretension, 411 Primary shear, 440, 464 Principal directions, 77 Principal distribution, 967 Principal shear stresses, 83 Principal stresses, 77 Probability density, 32 Probability density function (PDF), 32, 959 Probability distribution, 959, 965-972 Probability function, 959 Problems, answers, 1039-1043 Product liability, 15 Professional responsibilities, 10-11 Professional societies, | | Proof load, 417 Proof strength, 417 Propagation of dispersion, 19 Propagation of error, 19, 972-974 Propagation of uncertainty, 19 Proportional limit, 29 Protein-based adhesive, 482 Puck-pad caliper brake, 832, 833 Pugh method, 7n Pugh, Stuart, 7n Pulley correction factor, 869, 871 Pulsating torsional fatigue, 309 Punch press, 849-850 Pure compression, 84 Pure shear, 84 Pure tension, 84 PVAc emulsion adhesive, 482 Q Quarter-circle, 1017 Quarter-twist belt drive, 862 Quasi-static fracture, 232 Quenching, 45 R R. R. Moore high-speed rotating-beam machine, 266 Rack, 662 Rack cutter, 668, 669 Radial clearance, 19, 604, 628-630 Radial clearance ratio, 602 Radial interference, 110 Raimondi, Albert A., 611-612 Raimondi-Boyd analysis, 611-612, 616-625 Rain-flow counting technique, 314 Random experiment, 958 Random variables, 958 Randomly oriented short fiber composite, 56 Rao, S. S., 952n Rating life, 554 Rayleigh's equation, 371 RB&W, 426-427, 447 Real numbers, 22 Rectangle, 1016 Rectangular prism, 1018 Red brass, 52 Reddy, J. N., 953n Reece, C. K., 760n Reemsnyder, Harold S., 272n, 273 Regression, 974-977 Regular-lay ropes, 896 Relatively brittle, 231 Reliability, 18-19, 240 Reliability factors, 284, 285 bevel gears, 777, 778 spur and helical gears, 743, 744 Reliability method of design, 19 Remote-control shaft, 904 Renard numbers, 1015 Repeated stress, 293 Residual stress, 285 Residual stress method, 294 Resistance welding, 480 Retaining ring, 382, 929-93] Reverse loading, 780 Reversing crossed belt, 861 Reversing open-belt drive, 861 Reyn, 600 Reynolds equation for one-dimensional flow, 609 Reynolds, Osborne, 600, 605—606 Right triangle, 1017 Right-hand rule, 396 Rigid elements, 946 Rim clutches/brakes, 812-820 Rim-thickness factor, 744—745 Ring gear, 662 Rippel, Harry C., 639n Riveted and bolted joints loaded in shear, 435-443 Roark's formulas, 147 Rockwell hardness, 36 Rockwell hardness scales, 36 Rods, 1018 RolieySale 272 Roll threading, 44 Roller chain, 887-895 capacities, 890-89| chain velocity, 889 dimensions, 888 failure, 890 horsepower capacity, 891-892 link plates, 891 lubrication, 895 maximum speed, 894 multiple-strand factors, 893 nomenclature, 887 sprocket, 889 tooth correction factors, 893 tooth counts, 892 Rolling bearings. See Rolling-constant bearings Rolling-constant bearings, 549-595. See also Lubrication and journal bearings bearing-life recommendations, 563 boundary dimensions, 560 catalog load rating, 554 combined radial and thrust loading, 559 design assessment, 582-586 dimensions/load ratings, 561, 562 distributional curve fit, 555 equivalent radial load, 559, 560 fatigue criterion, 553 life measures, 553-554 load life at rated reliability, 554-555 load-application factors, 563 load-life-reliability relationship, 557-558 lubrication, 587-588 matters of fit, 586 mounting, 571, 573, 587-590 reliability-life relationship, 554-557 sealing methods, 590-591 selection of ball and cylindrical roller bearings, 568-571 tapered roller bearings. See Tapered roller bearings types of bearings, 550-553 variable loading, 564-568 Rolovic, R. D., 210n Rope. See Wire rope Rotating ring, 110 Rothbart, H. A., 407, 408 Rotscher's pressure-cone method, 414 Round belts, 860. See also Flat belts Round disk, 1018 Round head screw, 410 Round key, 378 Round pin, 378 Round tubing, 992 Rounding off, 22 R-series numbers, 1015 Rubber-based adhesive, 482 Rubber-modified acrylic adhesive, 482 Rubber-moditied epoxy adhesive, 482 Russell, Burdsall & Ward Inc. (RB&W) 426-427, 447 5Ss SAE approximate, 276 SAE Fatigue Design and Evaluation Steering Committee report, 268-270 SAE specifications (steel bolts), 418 Safety factors, 240, 299, 300 bevel gears, 771 spur and helical gears, 745 wire rope, 898-899 Saint-Venant, Jean Claude, 97, 944 Salakian, A. G., 462n Salmon, C. G., 182n Samonoy, Cyril, 501n, 502n, 504n Sample, 960 Sample mean, 960 Sample space, 958 Sample standard deviation, 961 Sample variance, 960 Sand casting, 667 Sand casting, 41-42 Sand-cast gears, 790 Saybolt universal viscosimeter, 600 Saybolt universal viscosity (SUV), 600 Scale (of spring), 502 Scarf lap joint, 483 Schmidt, Richard J., 117n, 215n Schwerdlin, Howard B., 738n Scoring, 723 Screw bearing pressure, 407 Screw threads, 396—400 Screws and fasteners—nonpermanent joints, 395-456 bolt strength, 417-421 bolt torque/bolt tension, 422-425 bolted and riveted joints loaded in shear, 435-443 fastener stiffness, 410-413 fatigue loading of tension joints, 429-435 gasketed joints, 429 member stiffness, 413-417 power screws, 400-408 preload, 421, 425-428 shear joints with eccentric loading, 439-443 statically loaded tension joint with preload, 425-428 tension joints—external load, 421-422 thread standards/definitions, 396-400 threaded fasteners, 408-410 Sealant, 481. See also Adhesive bonding Sealed bearing, 551 Sealing methods (bearings), 590-591 Seam welding, 480 Secant column formula, 177 Secondary shear, 441, 464 Section modulus, 86 Seireg, A. S., 615 Self-acting/self-locking phenomenon, 402, 809 Self-aligning bearing, 551, 559 Self-aligning thrust bearing, 551 Self-contained bearings, 625-628 Self-deenergization, 807 Self-energization, 807, 829 Self-locking, 402, 809 Semiautomatic mesh generation, 943 Set removal, 503 Setscrews, 376-378 Shaft, 347-394 assembly/disassembly, 353-354 axial layout of components, 351 critical speeds, 371-376 defined, 348 deflection, 367-370 deviations, 1003, 1005 fundamental durations, 1003, 1005 keys, 378-382 layout, 349 limits and fits, 383-388 materials, 348-349 pins, 378-379 power transmission system, 923-927 retaining ring, 382 setscrews, 376-378 stress, 354-367 stress concentration, 360-361 supporting axial loads, 351 torque transmission, 351-353 Shaft basis, 384 Shaft couplings, 845 Shaping, 668-669 Shaving, 670 Shear. See also Shear stress beams. See Shear, moment and deflection of beams internal shear force, 71 MSS theory, 211-212 primary, 440, 464 pure, 84 secondary, 441, 464 Volkersen shear-lag model, 483, 486, 487 Shear, moment and deflection of beams, 993-1000 cantilever—end load, 993 cantilever—intermediate load, 993 cantilever—moment load, 994 cantilever—uniform load, 994 fixed supports—center load, 999 fixed supports—intermediate load, 1000 fixed supports—uniform load, 1000 one fixed and one simple support— center load, 998 one fixed and one simple support— intermediate load, 998 Index 1051 one fixed and one simple support— uniform load, 999 simple supports—center load, 995 simple supports—intermediate load, 995 simple supports—moment load, 996 simple supports—overhanging load, 997 simple supports—twin loads, 997 simple supports—uniform load, 996 Shear force (beams), 71-72 Shear joints with eccentric loading, 439-443 Shear loading of bolted/riveted connection, 435—443 Shear modulus, 31 Shear stress beams in bending, 90-95 horizontal, 94 octahedral, 215 principal, 83 tangential, 75 vertical, 94 Shear tear-out, 436 Shear-energy theory, 215 Shear-lag model, 483 Shear-stress correction factor, 501 Sheet-metal gauges, 1031-1032 Shell molding, 42, 667 Shigley, Joseph E., 35n, 46n, 47n, 147n, 165n, 167n, 275n, 349n, 370n, 379n, 480n, 507n, 508, 735n, 738n, 971n, 1023 Shock, 183-184 Short compression members, 180-181 SI units, 21-22 conversion factors, 986 deflection, 987 deviations—shafts, 1003 international tolerance grades, 1002 prefixes, 985 stress, 987 washers, 1037 Sib, G. C., 234n Significance figures, 22 Silicon, 48 Silicon bronze, 53 Silicones, 55 Silver plus overlay, 637 Simple compression, 84, 85 Simple supports center load, 995 intermediate load, 995 moment load, 996 overhanging load, 997 twin loads, 997 uniform load, 996 Sines failure criterion, 518 Sines, George, 2871052 Mechanical Engineering Design Single bevel weld, 460 Single V-groove weld, 460 Single-enveloping worm-gear set, 655, 675 Single-lap joint, 483 Single-row bearings, 552 Single-row deep-groove bearings, 550 Singularity functions, 73-75 Sintered-metal pads, 843 Sinusoidal fluctuating stress, 293 Size factor, 279-280 bevel gears, 773 spur and helical gears, 739 Sizes, preferred, 1015 Sleeve bearings. See Lubrication and journal bearings Sleeve bushings, 638 Slenderness ratio, 174 Sliding bearings. See Lubrication and journal bearings Sliding fit, 384, 385 Sliding mode, 233 Smith, G. M., 517n Smith, James O., 309n Smith-Dolan failure criterion, 331 Smith-Dolan locus, 306 S-N diagram, 266-267 Snug-tight condition, 422 Socket setscrews, 377 Soderberg failure criterion, 297-298 Soderberg line, 298 Softening spring, 142, 143 Solid bushing, 638 Solid elements, 938 Solid-film lubricant, 599 Sommerfeld, A., 609n Sommerfeld number, 602, 610, 617, 634 Sorem, J. R., Jr., 210n Sources of information, 9 Special-purpose elements, 938 Speed ratio, 734 Spherical contact, 117-118 Spherical-roller thrust bearing
كلمة سر فك الضغط : books-world.net The Unzip Password : books-world.net أتمنى أن تستفيدوا من محتوى الموضوع وأن ينال إعجابكم رابط من موقع عالم الكتب لتنزيل كتاب Shigley’s Mechanical Engineering Design - Eighth Edition in SI Units رابط مباشر لتنزيل كتاب Shigley’s Mechanical Engineering Design - Eighth Edition in SI Units
|
|