Mechanical Engineering Design

by Shigley, Joseph Edward; Mischke, Charles R.

• ISBN13: 9780070568990
• ISBN10: 0070568995
• Edition: 5th
• Format: Hardcover
• Copyright: 1989-01-01
• Publisher: McGraw Hill College Div

Table of Contents

Preface	xvii	(6)
List of Symbols	xxiii
PART ONE BASICS	3	(182)
1 Introduction	3	(22)
1-1 The Meaning of Design
1-2 Mechanical Engineering Design
1-3 The Phases of Design
1-4 Recognition and Identification
1-5 Evaluation and Presentation
1-6 Design Considerations
1-7 Codes and Standards
1-8 Stress and Strength Considerations
1-9 Factor of Safety
1-10* Reliability
1-11 Economics
1-12 Safety and Product Liability
1-13 Units
1-14 Rules for Use of SI Units
1-15 Preferred Units
2 Stress	25	(66)
2-1 Stress Components
2-2 Mohr's Circle
2-3 Triaxial Stress
2-4 Uniformly Distributed Stresses
2-5 Elastic Strain
2-6 Stress-Strain Relations
2-7 Equilibrium
2-8 Shear and Moment
2-9 Singularity Functions
2-10 Normal Stresses in Flexure
2-11 Beams with Asymmetrical Sections
2-12 Shear Stresses in Beams
2-13 Shear Stresses in Rectangular-Section Beams
2-14 Torsion
2-15 Stress Concentration
2-16 Stresses in Cylinders
2-17 Rotating Rings
2-18 Press and Shrink Fits
2-19 Temperature Effects
2-20 Curved Members in Flexure
2-21 Contact Stresses
3 Deflection and Stiffness	91	(54)
3-1 Spring Rates
3-2 Tension, Compression, and Torsion
3-3 Flexure
3-4 The Area-Moment Method
3-5 Finding Deflections by Use of Singularity Functions
3-6 Finding Deflections by Numerical Integration
3-7 Shock and Impact
3-8 Analysis of Impact
3-9 Strain Energy
3-10 Castigliano's Theorem
3-11 Statically Indeterminate Problems
3-12 Deflection of Curved Members
3-13 Compression Members--General
3-14 Long Columns with-Central Loading
3-15 Intermediate Length Columns with Central Loading
3-16 Columns with Eccentric Loading
3-17 Struts, or Short Compression Members
4 Statistical Considerations	145	(40)
4-1 Random Variables
4-2 The Arithmetic Mean, the Variance, and the Standard Deviation
4-3 Data Processing
4-4 Regression
4-5 Notation and Definitions
4-6 The Normal Distribution
4-7 Propagation of Error
4-8 Limits and Fits
4-9 Dimensions and Tolerancing
4-10 The Lognormal Distribution
4-11 The Weibull Distribution
4-12 The Weibull Parameters
4-13 Ranking
PART TWO FAILURE PREVENTION	185	(140)
5 Materials	185	(38)
5-1 Static Strength
5-2 Plastic Deformation
5-3 Strength and Cold Work
5-4 Hardness
5-5 Impact Properties
5-6 Temperature Effects
5-7 Numbering Systems
5-8 Sand Casting
5-9 Shell Molding
5-10 Investment Casting
5-11 Powder-Metallurgy Process
5-12 Hot Working Processes
5-13 Cold Working Processes
5-14 The Heat Treatment of Steel
5-15 Alloy Steels
5-16 Corrosion-Resistant Steels
5-17 Casting Materials
5-18 Nonferrous Metals
5-19 Plastics
5-20 Notch Sensitivity
5-21 Introduction to Fracture Mechanics
5-22 Stress State in a Crack
5-23 Fracture Toughness
5-24 Fracture Conditions
5-25 Stress Intensity Factors
5-26 Stress Corrosion Cracking
6 Steady Loading	223	(46)
6-1 Static Strength
6-2 Stress Concentration
6-3 Failure Theories
6-4 The Maximum-Normal-Stress Theory
6-5 The Maximum-Normal-Strain Theory
6-6 The Maximum-Shear-Stress Theory
6-7 The Strain-Energy Theories
6-8 The Internal-Frietion Theory
6-9 Failure of Ductile Materials
6-10 Failure of Brittle Materials
6-11 Stochastic Analysis--Introduction
6-12 Factor of Safety--A Note
6-13 Lognormal Interference
6-14 Interference--General
7 Variable Loading	269	(56)
7-1 Introduction
7-2 The Strain-Life Theory of Fatigue Failure
7-3 Stress-Life--Definitions
7-4 Preliminary Observations
7-5 The Endurance Limit
7-6 The Fatigue Strength
7-7 The Endurance-Limit and Fatigue-Strength Variates
7-8 Endurance-Limit Modifying Factors
7-9 Miscellaneous-Effects Factor k(e)
7-10 The Endurance Limit as a Random Variable
7-11 The Distributions
7-12 Fluctuating Stresses
7-13 Fatigue Strength under Fluctuating Stresses
7-14 Torsional Fatigue Strength under Pulsating Stresses
7-15 Combinations of Loading Modes
7-16 Cumulative Fatigue Damage
7-17 The Fracture-Mechanics Approach
7-18 Surface Strength
PART THREE DESIGN OF MECHANICAL ELEMENTS	325	(400)
8 The Design of Screws, Fasteners, and Connections	325	(58)
8-1 Thread Standards and Definitions
8-2 The Mechanics of Power Screws
8-3 Threaded Fasteners
8-4 Tension Connections--The Fastener
8-5 Tension Connections--The Members
8-6 Bolt Strength
8-7 Tension Connections--The External Load
8-8 Torque Requirements
8-9 Bolt Preload--Static Loading
8-10 Gasketed Joints
8-11 Fatigue Loading
8-12 Stochastic Considerations
8-13 Bolted and Riveted Joints Loaded in Shear
8-14 Centroids of Bolt Groups
8-15 Shear of Bolts and Rivets Due to Eccentric Loading
8-16 Set Screws
8-17 Keys and Pins
9 Welded, Brazed, and Bonded Joints	383	(30)
9-1 Welding Symbols
9-2 Butt and Fillet Welds
9-3 Torsion in Welded Joints
9-4 Bending in Welded Joints
9-5 The Strength of Welded Joints
9-6 Resistance Welding
9-7 Bonded Joints
10 Mechanical Springs	413	(38)
10-1 Stresses in Helical Springs
10-2 The Curvature Effect
10-3 Deflection of Helical Springs
10-4 Extension Springs
10-5 Compression Springs
10-6 Stability
10-7 Spring Materials
10-8 Design of Helical Springs
10-9 Stochastic Considerations
10-10 Critical Frequency of Helical Springs
10-11 Fatigue Loading
10-12 Helical Torsion Springs
10-13 Belleville Springs
10-14 Miscellaneous Springs
11 Rolling Contact Bearings	451	(28)
11-1 Bearing Types
11-2 Bearing Life
11-3 Bearing Load
11-4 Bearing Survival
11-5 The Reliability Goal
11-6 Selection of Ball and Straight Roller Bearings
11-7 Selection of Tapered Roller Bearings
11-8 Load Cycle Analysis
11-9 Lubrication
11-10 Mounting and Enclosure
12 Lubrication and Journal Bearings	479	(48)
12-1 Types of Lubrication
12-2 Viscosity
12-3 Petroff's Law
12-4 Stable Lubrication
12-5 Thick-Film Lubrication
12-6 Hydrodynamic Theory
12-7 Design Considerations
12-8 The Relation of the Variables
12-9 Temperature and Viscosity Considerations
12-10 Clearance
12-11 Pressure-Fed Bearings
12-12 Heat Balance
12-13 Loads and Materials
12-14 Bearing Types
12-15 Thrust Bearings
12-16 Boundary-Lubricated Bearings
13 Gearing--General	527	(58)
13-1 Types of Gears
13-2 Nomenclature
13-3 Conjugate Action
13-4 Involute Properties
13-5 Fundamentals
13-6 Contact Ratio
13-7 Interference
13-8 The Forming of Gear Teeth
13-9 Straight Bevel Gears
13-10 Parallel Helical Gears
13-11 Worm Gears
13-12 Tooth Systems
13-13 Gear Trains
13-14 Force Analysis of Spur Gears
13-15 Bevel Gears--Force Analysis
13-16 Helical Gears--Force Analysis
13-17 Worm Gearing--Force Analysis
14 Spur and Helical Gears	585	(30)
14-1 The Lewis Formula
14-2 Surface Durability
14-3 The AGMA Stress Formulas
14-4 The AGMA Strength Formulas
14-5 Geometry Factors I and J
14-6 The Elastic Coefficient C(p)
14-7 Dynamic Factors C(v) and K(v)
14-8 Application Factors C(a) and K(a)
14-9 Surface Condition Factor C(f)
14-10 Size Factors C(s) and K(s)
14-11 Load Distribution Factors C(m) and K(m)
14-12 Hardness-Ratio Factor C(H)
14-13 Life Factors C(L) and K(L)
14-14 Reliability Factors C(R) and K(R)
15 Bevel and Worm Gears	615	(12)
15-1 Bevel Gearing--General
15-2 Bevel Gear Stresses
15-3 Worm Gearing
16 Clutches, Brakes, Couplings, and Flywheels	627	(38)
16-1 Statics
16-2 Internal Expanding Rim Clutches and Brakes
16-3 External-Contracting Rim Clutches and Brakes
16-4 Band-Type Clutches and Brakes
16-5 Frictional-Contact Axial Clutches
16-6 Disk Brakes
16-7 Cone Clutches and Brakes
16-8 Energy Considerations
16-9 Temperature Rise
16-10 Friction Materials
16-11 Miscellaneous Clutches and Couplings
16-12 Flywheels
17 Flexible Mechanical Elements	665	(32)
17-1 Belts
17-2 Flat- and Round-Belt Drives
17-3 V Belts
17-4 Timing Belts
17-5 Roller Chains
17-6 Wire Rope
17-7 Flexible Shafts
18 Shafts, Axles, and Spindles	697	(28)
18-1 Introduction
18-2 Determination of Shaft Geometry
18-3 Static Loading--General
18-4 Static Loading--Bending and Torsion
18-5 Fatigue
18-6 An Example of Fatigue Analysis
18-7 Additional Solutions
18-8 Stiffness Considerations
18-9 Estimating Reliability--A Stochastic Task
Appendix	725	(44)
A-1 Standard SI Prefixes
A-2 Conversion Factors
A-3 Optional SI Units for Stress
A-4 Optional SI Units for Deflection
A-5 Physical Constants of Materials
A-6 Properties of Structural Steel Angles
A-7 Properties of Structural Steel Channels
A-8 Properties of Round Tubing
A-9 Shear, Moment, and Deflection of Beams
A-10 Cumulative Density Function of Normal Distribution
A-11 A Selection of International Tolerance Grades--Metric Series
A-12 Fundamental Deviations for Shafts--Metric Series
A-13 A Selection of International Tolerance Grades--Inch Series
A-14 Fundamental Deviations for Shafts--Inch Series
A-15 Charts of Theoretical Stress-Concentration Factors K(t)
A-16 Stress Concentration Factors K(t) and K(ts) for a Round Bar or Tube with a Transverse Round Hole
A-17 Preferred Sizes and Renard (R Series) Numbers
A-18 Geometric Properties
A-19 American Standard Pipe
A-20 Mechanical Properties of Some Hot-Rolled and Cold-Drawn Steels
A-21 Mechanical Properties of Some Heat Treated Steels
A-22 Results of Tensile Tests of Some Metals
A-23 Mechanical Properties of Some Aluminum Alloys
A-24 Typical Properties of Gray Cast Iron
A-25 Decimal Equivalents of Wire and Sheet-Metal Gauges
A-26 Dimensions of Square and Hex Bolts
A-27 Dimensions of Hex Cap Screws and Heavy Hex Screws
A-28 Dimensions of Hex Nuts
Index	769
* Italic section numbers denote optional-reading sections