出版時間:2004-7 出版社:武漢工大 作者:楊明忠 編 頁數(shù):356
前言
Machinery Design is an important technological basic course in mechanical engineering education. It aims to develop engineering students competence of machine design that is the primary concern of machinery manufacturing and the key to manufacturing good products.This course is required to provide engineering students——future engineers——with an elementary knowledge of machine design, to teach them the method, procedures and calculation of machine design, to train them in dealing with practical issues such as simplifying configurations of mechanical elements, establishing models of mathematics and physics, selecting materials,processes and heat-treatments, understanding inspection and maintenance of machinery. Machinery Design is a compulsory course for all the engineering students. As teachers of this course,we believe that it is of urgent necessity for us to compile an English textbook of Machinery Design in accordance with the basic teaching requirements for this course set up by National Education Ministry in order to enhance bilingual teaching in Chinas universities of science and technology. Textbooks of Machinery Design popular in American or European universities are, of course, our main source of reference. But they can only serve as reference because the authors of those textbooks have a thinking pattern different from ours and the machinery manufacturing environments of those countries are different from ours, too. We have established three principles for compiling this textbook: (1) to meet the needs of the Chinese engineering students;(2) to take in the essence of the similar textbooks compiled by American and European professors;(3) in plain and concise English. Meanwhile,we have not only introduced in it the advanced ideas and methods of machine design, but also refreshed the teaching contents with the focus shifted on developing the students competence of mechanical engineering design. Besides, we have emphasized creative design and the cultivation of the students ability for analysis and synthesis. In a word, our English textbook of Machinery Design is intended to satisfy the teaching requirements for this course, to develop the English competence of engineering students,and to help them to meet the challenge of economic globalization and technical and scientific revolution.
內(nèi)容概要
Machinery Design is an important technological basic course in mechanical engineering education. This English textbook of Machinery Design is written for Chinese students majoring in mechanical engineering in accordance with the basic teaching requirements for this course set up by National Education Ministry and to enhance billingual teaching in China"s universities of science and technology. It is designed to satisfy the teaching requirements for this course,to develop the English competence of the students,and to help them to meet the challenge of economic globalization and technical and scientific revolution. There are 19 chapters in this textbook:Introduction,Principles of Machinery Design,Failure Theories and Material strength,Friction,Wear and Lubrication,Design of Threaded Fasteners and Joints,Design of Keys,Splines and Pins,Design of Riveted,Welded and Bonded Joints,Transmission of Belts,Transmission of Chains,Design of Gears,Design of Worm Gearing,Sliding Bearings,Rolling-Contact Bearings,Couplings and Clutches,Shafts,Springs,Housings and Frames of Machines,Reducer,and Projects of Machinery Design. At the end of each chapter some problems and notes are designed for practice and better understanding. This textbook can be used as textbook for teachers and students of mechanical engineering for the course of Machinery Design,and as reference book for teachers,students and engineers of other relevant engineering areas.
書籍目錄
PART I FUNDAMENTALS OF MACHINERY DESIGNCHAPTER 1 INTRODUCTION1.1 THE ROLE OF MACHINERY DESIGN1.2 MACHINERY AND COMPONENTS1.3 OVERVIEW OF MACHINERY DESIGN1.4 A GENERAL PROCEDURE OF MACHINERY DESIGN1.5 CONTENTS AND TASKS OF THE COURSENotesCHAPTER 2 PRINCIPLES OF MACHINERY DESIGN2. 1 FUNDAMENTAL REQUIREMENTS FOR MACHINERY DESIGN2.1.1 Functional Requirements2.1.2 Economic Requirements2.1.3 Safety and Environment Requirements2.1.4 Reliability Requirements2.1.5 Other Specific Requirements2.2 FAILURE MODELS OF MECHANICAL COMPONENTS2.2.1 Fracture Failure2.2.2 Failure Resulted from Unexpected Deformations2.2.3 Failure on Surface Damage2.2.4 Failure Resulted from Abnormal Operational Conditions2.3 DESIGN REQUIREMENTS FOR MECHANICAL COMPONENTS2.3.1 Design for Safety2.3.2 Design for Manufacturability2.3.3 Design for Costs2.3.4 Design for Reliability2.4 GENERAL CRITERIA FOR COMPONENT DESIGN2.4. 1 Strength Criterion2.4. 2 Rigidity Criterion2.4.3 Wear Criterion2.4. 4 Dynamic Criterion2.4.5 Reliability Criterion2.4.6 Safety Factor (S)NotesCHAPTER 3 FAILURE THEORIES AND MATERIAL STRENGTHS3.1 THEORIES OF FAILURE3.1. 1 The Maximum-Normal-Stress Theory (the first strength theory)3.1.2 The Maximum-Normal-Strain Theory (the second strength theory)3.1.3 The Maximum-Shear-Stress Theory (the third strength theory)3.1.4 The Distortion-Energy Theory (the fourth strength theory)3.2 BULK STRENGTHS OF THE MACHINE COMPONENTS3.2. 1 Loads and Stresses3.2.2 Stress-Strength Design Method3.2.3 Strength Design under Static Stresses3.2.4 Strength Design under Varying Stresses3.3 SURFACE STRENGTHS OF THE MACHINE COMPONENTS3.3.1 Surface Contact Stresses and Strengths3.3.2 Surface Extrusion Stresses and Strengths3.3.3 Surface Wear StrengthsNotesCHAPTER 4 FRICTION,WEAR AND LUBRICATION4. 1 FRICTION4.1.1 Friction Laws4.1.2 Mechanisms of Friction4.2 WEAR4.2.1 The Wear Process4.2.2 Mechanisms of Wear4.3 LUBRICATION4.3.1 Lubrication Theory4.3. 2 Lubricants4.3.3 The Problem of Lubricant Selection4.3.4 Basic Types of Lubricant4.3.5 Selecting the Lubricant Type4.3.6 Lubricant Selecting for Particular Components4.3.7 Lubricant Cooling and Corrosion Prevention4. 4 MACHINERY CONDITION MONITORING4.4.1 Condition Monitoring4.4. 2 Wear Detection and Assessment4. 4.3 Ferrographic Analysis and Its ApplicationNotesPART II DESIGN OF FASTENERS AND JOINTSCHAPTER 5 DESIGN OF THREADED FASTENERS AND JOINTS5.1 BASIC CONCEPTS5.2 THREAD STANDARDS AND DEFINITIONS5.3 SCREW FASTENINGS5.4 SCREWING-UP TORQUE,EFFICIENCY AND SELF-LOCKING CONDITIONS5.5 BOLT TIGHTENING AND INITIAL TENSION5.6 PREVENTING UNINTENTIONAL UNSCREWING OF SCREW JOINTS5.7 SCREW AND THREAD ELEMENT DESIGN FOR STEADY LOADS5.8 DESIGN OF SCREW JOINTS SUBJECT TO LOADS IN THE PLANE OF THE JOINT5.9 DESIGN OF SCREW JOINTS SUBJECT TO THE OVERTURNING MOMENT5.10 BOLT TENSION WITH EXTERNAL JOINT-SEPARATING FORCE5.11 STRENGTH CLASSES AND MATERIALS OF THREADED PARTS5.12 DESIGN AND PROCESSING MEASURES THAT RAISE THE STRENGTH OF SCREWS SUBJECT TO VARIABLE LOAD5.13 POWER SCREWSProblemsNotesCHAPTER 6 DESIGN OF KEYS,SPLINES AND PINS6.1 KEY JOINTS6.1.1 Key Joints and Their Application6.1.2 Strength Calculation of Straight Key Joints6.2 SPLINE JOINTS6.2.1 Type and Application of Spline Joints6.2.2 Strength Calculation of Spline Joints6.3 PIN JOINTSProblemsNotesCHAPTER 7 DESIGN OF RIVETED,WELDED AND BONDED JOINTS7. 1 RIVETED JOINTS7.1.1 Rivet Joints and Their Application7.1.2 Types of Rivets Joints7.1.3 Strength Calculation of Riveted Joints7.2 WELDED JOINTS7.2.1 Type of welding and Application7.2.2 Style of Welded Seam7.2.3 Strength Calculation of Weld7.2.4 Welding Materials and Allowable Stresses7.2.5 Main Factors Affecting Weld Strength and Measures Increasing Strength7.3 BONDED JOINTS7.3.1 Characteristic and Application of Bonded Joints7.3.2 Adhesives7.3.3 Joints of Bonded JointsProblemsNotesPART III DESIGN OF POWER TRANSMISSION SYSTEMSCHAPER 8 TRANSMISSION OF BELTS8. 1 PRINCIPAL GEOMETRIC RELATIONSHIPS IN BELT DRIVES8.2 APPLICATIONS AND WORK CHARACTERISTICS OF BELT DRIVES8.2.1 Applications of Belt Drives8.2.2 Forces and Stresses in Belts8.2.3 Creep and Speed Rate in Belt Drives8.2.4 Failure and Design Criteria of Belts8. 3 V-BELT DRIVE DESIGN8.3.1 Specification for Standard Series V-Belts8.3.2 Transmitted Power of a Single V-Belt8.3.3 Design Procedure and Factor Choice for V-Belt Drives8.3.4 V-Belt Pulleys8.3. 5 Tensioner of V-Belt DrivesProblemsNotesCHAPTER 9 TRANSMISSION OF CHAINS9.1 CHARACTERISTICS AND APPLICATION OF CHAIN DRIVES9.2 TYPES OF CHAIN DRIVES9.2.1 Roller Chains9.2.2 Silent Chains9.3 MOVING CHARACTERISTICS OF CHAIN DRIVESCHAPTER 10 DESIGN OF GEARSCHAPTER 11 DESIGN OF WORM GEARINGPART Ⅳ DESIGN OF SHAFTS AND ASSOCIATED PARTSCHAPTER 12 SLIDING BEARINGSCHAPTER 13 ROLLING-CONTACT BEARINGSCHAPTER 14 COUPLINGS AND CLUTCHESCHAPTER 15 SHAFTSPART Ⅴ OTHER COMPONENTSCHAPTER 16 SPRINGSCHAPTER 17 HOUSINGS AND FRAMES OF MACHINESPART Ⅵ CASE STUDIES AND PROJECTSCHAPTER 18 REDUCERCHAPTER 19 PROJECTS OF MACHINERY DESIGNREFERENCES
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