机械零件设计 第8版 缩编版 英文版PDF|Epub|txt|kindle电子书版本网盘下载

机械零件设计 第8版 缩编版 英文版PDF格式电子书版下载

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Introduction1

I-1 Problem Solving and Design1

I-2 The Design Process3

I-3 Stages of Design5

I-4 Finding and Using Information in Machine Design7

I-5 Recognized Standards for Design9

I-6 Computational Tools for Machine Design12

I-7 Conclusions14

References15

CHAPTER 1 WORKING STRESSES AND FAILURE THEORIES16

1-1 Failure and Phenomenological Failure Theories17

1-2 Stress Concentration Caused by Sudden Change in Form20

1-3 Design for Cyclic Loading34

1-4 Conclusions50

References51

Problems52

CHAPTER 2 DESIGN OF SHAFTS63

2-1 Torsion of Circular Shaft65

2-2 Maximum Static Shearing Stress71

2-3 Design of Shafts for Fluctuating Loads72

2-4 Keys79

2-5 Stress Concentration82

2-6 Couplings83

2-7 Bending Loads in Two Planes86

2-8 Deflection of Shaft of Nonuniform Diameter88

2-9 Materials Used for Shafting90

References92

Problems92

CHAPTER 3 SPRINGS104

3-1 Helical Springs105

3-2 Properties of Spring Materials110

3-3 Hot-Formed Springs113

3-4 Helical Spring of Minimum Volume of Material-Static Load114

3-5 Optimum Design of Helical Spring117

3-6 Fatigue of Springs121

3-7 Design for Fluctuating Loads122

3-8 Buckling of Compression Springs126

3-9 Effect of End Turns for Compression Springs126

3-10 Helical Extension Springs127

3-11 Helical Springs with Torsional Loading128

3-12 Leaf Springs130

3-13 Belleville Spring133

3-14 Rubber Springs135

References140

Problems141

CHAPTER 4 SCREWS145

4-1 Kinds of Threads145

4-2 Effect of Initial Stress148

4-3 Additional Design Considerations152

4-4 Power Screws154

4-5 Torque Required to Produce Desired Clampling Force161

4-6 Friction of Screws163

4-7 Stress Concentration163

4-8 Locknuts165

4-9 Materials and Methods of Manufacture166

4-10 Stress Due to Impact Load167

4-11 Relaxation170

References170

Problems170

CHAPTER 5 BELTS,CLUTCHES,BRAKES AND CHAINS177

5-1 V-belts178

5-2 Center Distance for V-belt Drive180

5-3 Design of V-belts183

5-4 Other Types of Belts186

5-5 Disk or Plate Clutch187

5-6 Roller Chains191

5-7 Design Capacity of Roller Chains192

5-8 Galling of Roller Chains197

5-9 Polygonal Action197

5-10 Silent Chain198

References198

Problems198

CHAPTER 6 LUBRICATION203

6-1 Viscosity and Newton's Law205

6-2 Petroff's Bearing Equation212

6-3 Load-Carrying Journal Bearing215

6-4 Load and Friction Curves for Journal Bearings216

6-5 Power Lost in Friction223

6-6 Designing for Film Temperature and Minimum Film Thickness223

6-7 Viscosity Index225

6-8 The Zn/P Curve226

6-9 Bearing Materials228

6-10 Bearing Loads231

6-11 Construction of Bearings232

6-12 Clearance and Oil Grooves233

6-13 Dry Friction235

6-14 Boundary or Thin-Film Lubrication237

6-15 Mixed or Semifluid Lubrication238

References238

Problems239

CHAPTER 7 BALL AND ROLLER BEARINGS244

7-1 Construction and Types of Ball Bearings244

7-2 Selection of Ball Bearings246

7-3 Effect of Axial Load251

7-4 Design for Variable Loading253

7-5 Static Capacity257

7-6 Design for Different Confidence Levels257

7-7 Friction and Lubrication of Ball Bearings258

7-8 Bearing Materials and Surface Finish259

7-9 Mounting of Ball Bearings260

7-10 Permissible Misalignment261

7-11 Relative Advantages of Rolling Element Bearings262

7-12 Roller Bearings263

7-13 Contact Stress between Spheres and Cylinders264

References273

Problems273

CHAPTER 8 SPUR GEARS278

8-1 Introduction280

8-2 Load on Gear Tooth from Power Transmitted281

8-3 Determination of Bearing Loads283

8-4 Materials for Gears284

8-5 Lubrication and Mounting of Gears285

8-6 Design of Gears to Prevent Failures286

References305

Problems306

CHAPTER 9 HELICAL,BEVEL,AND WORM GEARS310

9-1 Helical Gears311

9-2 Tooth Loads of Helical Gears313

9-3 Design of Parallel Shaft Helical Gears to Prevent Failures314

9-4 Loads on Bevel Gears320

9-5 Design of Bevel Gears to Prevent Failures321

9-6 Forces in Worm Gear Sets330

9-7 Design of Worm Gear Sets331

References335

Problems335

APPENDIX338

中英文词汇对照表386