本教材縮編自M.F.Spotts，T.E.Shoupand L.E.Hornberger編寫的《Design of Machine Elements》（8fhEdition）。該書內容豐富，大部分內容適合我國機械類本科生的教學要求。原教材共15章，不僅包括典型機械零部件的設計方法，而且還包括工程力學、工程材料、形狀綜合原理和塑料零件的設計等內容。為和我國目前高校機械基礎課程體系中機械設計課程的內容相銜接，以便于各類讀者使用，編者對教材進行了重新組織和縮編。現包括9章內容，包括機械設計概論、基本應力分析和失效理論、軸的設計、彈簧、螺栓連接和螺旋傳動、帶傳動、離合器、制動器和鏈傳動、潤滑、滾動軸承、直齒圓柱齒輪、斜齒輪、錐齒輪和蝸桿傳動。從刪減的內容看，其內容或是與我們的課程關系不大，或是在其他課程里已經學過。對于原書中豐富的習題，根據保留的基本內容進行了相應的刪減。另外，原教材為讀者提供了一些基本的工程力學計算、典型零部件的設計程序。為與紙質教材相關內容相一致，沒有改變原程序中的模塊編號。本教材可以作為英文或雙語教學用機械設計課程的教材，也可供機械工程專業本科生、研究生或其他從事機械設計工作的專業人員參考。
Preface
Introduction
I-1 Problem Solving and Design
I-2 The Design Process
I-3 Stages of Design
I-4 Finding and Using Information in Machine Design
I-5 Recognized Standards for Design
I-6 Computational Tools for Machine Design
I-7 Conclusions
References
CHAPTER 1 WORKING STRESSES AND FAILURE THEORIES
1-1 Failure and Phenomenological Failure Theories
1-2 Stress Concentration Caused by Sudden Change in Form
1-3 Design for Cyclic Loading
1-4 Conclusions Preface
Introduction
I-1 Problem Solving and Design
I-2 The Design Process
I-3 Stages of Design
I-4 Finding and Using Information in Machine Design
I-5 Recognized Standards for Design
I-6 Computational Tools for Machine Design
I-7 Conclusions
References
CHAPTER 1 WORKING STRESSES AND FAILURE THEORIES
1-1 Failure and Phenomenological Failure Theories
1-2 Stress Concentration Caused by Sudden Change in Form
1-3 Design for Cyclic Loading
1-4 Conclusions
References
Problems
CHAPTER 2 DESIGN OF SHAFTS
2-1 Torsion of Circular Shaft
2-2 Maximum Static Shearing Stress
2-3 Design of Shafts for Fluctuating Loads
2-4 Keys
2-5 Stress Concentration
2-6 Couplings
2-7 Bending Loads in Two Planes
2-8 Deflection of Shaft of Nonuniform Diameter
2-9 Materials Used for Shafting
References
Problems
CHAPTER 3 SPRINGS
3-1 Helical Springs
3-2 Properties of Spring Materials
3-3 Hot-Formed Springs
3-4 Helical Spring of Minimum Volume of Material-Static Load
3-5 Optimum Design of Helical Spring
3-6 Fatigue of Springs
3-7 Design for Fluctuating Loads
3-8 Buckling of Compression Springs
3-9 Effect of End Turns for Compression Springs
3-11 Helical Springs with Torsional Loading
3-12 Leaf Springs
3-13 Belleville Spring
3-14 Rubber Springs
References
Problems
CHAPTER 4 SCREWS
4-1 Kinds of Threads
4-2 Effect of Initial Stress
4-3 Additional Design Considerations
4-4 Power Screws
……
CHAPTER 5 BELTS, CLUTCHES, BRAKES AND CHAINS
CHAPTER 6 LUBRICATION
CHAPTER 7 BALL AND ROLLER BEARINGS
CHATPER 8 SPUR GEARS
CHAPTER 9 HELICAL, BEVEL, AND WORM GEARS
APPENDIX
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