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1、机械设计课程教学大纲Mechanical design » Course syllabus制订人(Author):涂杰(Tu Jie )总学时数(total class time ): 56 (45min/time )理论教学时数(Theory Teaching time) ： 52 ;实验教学时数(experimental teaching time) :4 ； 学分(credit) : 4适用专业 (suitable major ) : NC Technology一.课程的性质和作用(The task of the course )本课程是机械类专业的一门必修的专业基础课。通过本
2、课程的学习，为学生在今后的工作中解决机械设计问题打下一定基础，同时也为学生学习后继课程和新的科学技术提供必需的 预备知识。The course is a required professional basic course for mechanical engineering majors,through the course can lay a good foundation for the students to solve the problems of mechanical design.it can also provide the necessary preliminaries f
3、or the the successor curriculum.二.课程的基本内容(Basic content of the course )第1章 绪论Chapter 1: introduction(1)机械设计研究对象、内容及在国民经济发展中的作用。(1) research object 、contents of the mechanical design.(2)机械、机器、机构及构件的概念。(2)the conception of Mechanics and mechanism .第2章机械设计概论Chapter 2: Introduction to mechanical design
4、(1)机械设计的基本要求。(1) the basic demands of mechanical design.(2)零件的强度分析、主要失效形式、工作能力及计算准则。(2) The strength analysis of parts 、The main failure forms 、Working capacity and Calculating rule.第3章平面机构的自由度及机构运动简图Chapter 3: Degree of freedom of planar mechanisms and kinematic diagram of mechanism(1)平面运动及其分类、平面机械
5、运动简图，运动链、机构及其自由度计算。(1) Planar motion and its classification 、 Planar mechanical motion diagram、kinematic link、Calculation of degree of freedom.(2)四杆机构基本型式及其演化。(2) Four bar mechanism basic type and its evolution第4章常用平面连杆机构的设计Chapter 4: The design of Commonly used planar linkage mechanism(1)四杆机构存在曲柄的条
6、件。(1) the exist conditions of four bar mechanism with crank(2)钱链四杆机构的基本特性。(2) The basic characteristics of hinged four bar mechanism(3)简单四杆机构的设计。(3) the design of Simple four bar mechanism第5章凸轮机构设计Chapter 5: Design of cam mechanism(1)凸轮机构的应用及分类。(1) Application of cam mechanism and classification(2)从
7、动件的常用运动规律。(2) The motion law of driven member.(3)凸轮机构的压力角与基圆半径的确定。(3) the affirm of pressure angle and radius of base circle.(4)凸轮轮廓设计的图解法。(4) Design of cam profile by graphic method第6章联接Chapter 6: Connection(1)螺纹及螺纹联接的类型、特点及主要参数。(1) Thread and thread connection type, characteristics and the main pa
8、rameters(2)螺纹联接的预紧、放松。(2) Threaded connection pretightening and relax.(3)单个螺栓联接的计算方法。(3) Calculation method single bolt coupling(4)提高螺纹联接强度的措施。(4) the method of Improving of screw thread connection strength第7章带传动Chapter 7: Belt transmission(1)带传动的类型、工作原理、特点和应用。(1) Belt type transmission, the working
9、 principle, characteristics and application(2)普通V型带的结构和标准。(2) Common V belt structure and standard(3)带传动工况分析。(3) Belt transmission mode analysis(4)普通V型带传动的设计计算。(4) Common V belt drive design calculation(5)带传动的结构设计。(5) The structure design of belt drive第8章链传动Chapter 8: Chain transmission(1)链传动类型、特点、工
10、作原理和应用。(1) drive types, characteristics, working principle and applications of chain(2)滚子链和链轮。(2) Roller chains and chain wheels(3)链传动的运动特性。(3) drive motion characteristics of the chain(4)链传动的失效形式和功率曲线。(4) Chain transmission failure mode and the power curve(5)链传动的设计计算。(5) Design calculation of chain
11、 transmission(6)链传动的布置、张紧和润滑。(6) Chain drive layout, tension and lubrication第9章齿轮传动Chapter 9: Gear transmission(1)齿轮传动的应用及分类。(1) Classification and application of gear transmission(2)齿廓啮合基本定律。(2) Fundamental law of gear meshing(3)渐开线及其性质，渐开线齿廓满足啮合基本定律。(3) the properties and basic theory of of involu
12、te .(4)直齿圆柱齿轮各部分名称及几何尺寸计算。(4) part name of Straight tooth cylindrical gear and geometric size calculation(5)渐开线直齿圆柱齿轮传动的正确啮合条件。(5) Straight cylindrical involute gear meshing conditions(6)齿轮齿条传动。(6) Gear rack transmission(7)齿廓切削方法、渐开线标准齿轮无根切现象的最少齿数。(7) cutting method of involute standard gear, the mi
13、nimum teeth number without undercut.(8)齿轮传动失效形式及防止失效的相应措施。(8) Gear transmission failure modes and failure prevention measures.第10章蜗杆传动Chapter 10: Worm transmission(1)蜗杆传动类型、应用。(1) Worm drive type and application(2)蜗杆传动的主要参数、几何尺寸和正确啮合条件。(2) Worm drive parameters, geometry size and proper meshing cond
14、itions(3)蜗杆传动失效形式及常用材料。(3) Worm drive failure forms and materials(4)润滑、效率和热平衡计算。(4) Lubrication, efficiency and thermal balance calculation第11章轮系Chapter 11: Gear train(1)轮系的用途和分类。(1) Application and classification of epicyclical gear trains(2)定轴轮系的传动比计算。(2) the calculation of fixed axis gear train t
15、ransmission ratio(3)周转轮系的传动比计算。(3) The calculation for the transmission ratio of epicyclic gear train(4)混合轮系的传动比计算。(4) The calculation of transmission ratio of compound gear train第12章轴Chapter 12: Shaft(1)轴的功用、分类和设计要求、轴的材料。(1) shaft function, classification、the material 、and design requirements,(2)轴的
16、结构设计。(2) The structural design of shaft(3)轴的强度计算、校核计算。(3) Shaft strength calculation, checking calculation(4)提高轴的疲劳强度措施。(4) the measures of Increasing fatigue strength.第13章滚动轴承Chapter 13: rolling bearing(1)滚动轴承主要类型、特点和应用、精度及代号。(1) the main types, characteristics and application, precision and code o
17、f rolling bearing(2)滚动轴承滚动体上载荷及其分布概念。(2) Roller bearing load and its distribution(3)失效形式及计算准则。(3) Failure modes and calculation standards第14章滑动轴承Chapter 14: sliding bearing(1)滑动轴承主要类型、特点和应用、精度及代号(1) the main types, characteristics and application, precision and code of sliding bearing第15章 联轴器和离合器Cha
18、pter 15: Coupling and clutch(1)联轴器功用、分类、结构特点及选择计算。(1) The coupling function, classification, structure characteristics and selection calculation.(2)离合器类型、结构、工作原理和特点。(2) Clutch type, structure, working principle and characteristics三、 学时分配建议 (Teaching time distribution proposal )序号（No.）教学内容(Content of
19、 course)学时(Teaching time )备注(Remarks)1第1章：绪论Chapter 1: Introduction22第2章：机械设计概论Chapter 2:Introductionto mechanicaldesign23第3章：平面机构的自由度及机构运动简图Chapter 3: Degree of freedom of planar mechanisms and kinematic diagram of mechanism44第4章：常用平面连杆机构的设计Chapter 4:The design of general plane linkage mechanism45第
20、5章：凸轮机构设计Chapter 5: Design of cam mechanism46第6章：螺纹联接Chapter 6: Threaded joint47第7章：带传动Chapter 7: Belt transmission4序号（No.）教学内容(Content of course)学时(Teaching time )备注(Remarks)8第8章：链传动Chapter 8: Chain transmission49第9章：齿轮传动Chapter 9:Gear transmission810第10章：蜗杆传动Chapter 10: Worm transmission411第11章：轮系
21、Chapter 11: Gear train412第12章：轴Chapter 12: Shaft213第13章：滚动轴承Chapter 13: rolling bearing2第14章：滑动轴承Chapter14: sliding bearing214第15章：联轴器和离合器Chapter 15: Coupling and clutch2合计 (Total teaching time)52实验内容安排(Experimental content and arrangement):序号(No.)实验项目名称( Experimental project name)学时(Teaching time)地
22、点(The experimentalsite )1机构简图的绘制及自由度计算(Schematic diagram of mechanism drawing and calculation of degree of freedom)2机械实验室(Mechanical Lab )2减速器的拆装(disassemble and assemble of reducer)2机械实验室(Mechanical Lab )合计(Total experimental time)4四、成绩考核方式 （Performance assessment ）理论教学：平时表现（包括平时作业、实验报告、课堂提问及课堂练习）占
23、 30%,期末考试占70%。Theory Teaching： Classroom performance (school assignment > experimental report 、Classroom questioning 、Exercises in class ) 30% final examination7。.实验教学：记入平时成绩。Experimental teaching : Be included in the usual classroom performance.五、教材及主要参考书( Teaching materials and reference books
24、)1、教材(Teaching materials )翟文杰，design of machine elements ,哈尔滨工业大学出版社，2007.5第一版2、主要参考书(main reference books )孙桓，机械原理：西北工业大学出版社黄锡恺，机械原理：高教出版社张世民，机械原理：中央电大出版社黎庶慰，机械原理：高教出版社中永胜，机械原理：清华大学出版社张绍甫，机械零件(第2版)机械工业出版社濮良贵，机械设计(第7版)高教出版社周开勤，机械零件手册(第3版)高教出版社七、其他(others )教师可根据自己的教学经验对教学过程及内容作适当调整，但不能与本大纲有大的出入。(Teachers can according to their own teaching experience on teaching process andcontent to makeappropriate adjustments , But not with the outline of a big discrepancy.)第8页共8页