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1.教学目标 (1)使学生了解本课程研究的对象、内容以及其在培养高级机械工程技术人才全局中的地 位、作用和任务,从而明确学习本课程的目的
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Automotive Developments 1600-The Dutch employed wind power to propel sail-mounted carriages which raced along at 20 mph and held scores of passengers. It is quite probable that both speed and load capacity were exaggerated. Later, small carriages were equipped with wind-mills, the mill vanes geared to the wheels. These were probably the first land vehicles to be propelled by
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Sections Threaded fasteners and power screws Rivets Springs Sliding Bearings Rolling-Element Bearings Spur Gears Helical Bevel and worm gears Threaded Fasteners and Power screws Classes of Fasteners They may be classified into two broad categories: Removable and Permanent Removable Fasteners are defined as those that can be easily removed with hand tools and without damaging any parts. Ordinary nuts and bolts are typical examples
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Thermal Sciences and Mechanical Engineering Sections 1 Introduction, 2. The Concept of Temperature 3. Heat Transfer 4. Thermodynamics, 5. Thermal Deformation, 6. Heat Treatment 7. Energy and Environment, 8 Summary Objectives
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Fluid Mechanics and Mechanical Engineering Sections 今 Fluid statics Fluid Dynami Aerodynamics Fundamentals S 1. Fluid Properties A fluid is a substance that deforms
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Statics, Dynamics and Mechanical Engineering 1、 Introduction Mechanics Science which describes and predicts the conditions of rest or motion of bodies under the action of forces The field of Classical mechanics can be divided into three categories 1)Mechanics of Rigid Bodies
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Here we'll discuss the basic idea behind an engine, and then go into detail about how all the pieces fit together and how to increase performance Internal Combustion Almost all cars currently use what is called a four-stroke combustion cycle to convert gasoline into motion. The four-stroke approach is also known as the otto cycle
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【例一】补全主视图中的漏线 【例二】补全主、俯、左三个视图中的漏线 【例三】根据主、俯视图,求左视图 【例四】根据主、俯视图,求左视图 【例五】根据主、俯视图,求左视图
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(一)是非题 1.两形体的表面共面或相切时,其表面交界处有时有线有时没有线。() 2.一个视图上的封闭线框,在其它视图上对应的投影不是积聚成线,就是一个与其形状相类似的图形。()
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画图和读图是学习本课程的两个主要环节。画图时运用形体分析法按 组合体的形状特点画出其视图。而读图时,也是运用形体分析法,分析构 成组合体的各基本体的形状及它们之间的相对位置、连接关系,从而想象 出它的空间形状。对某些局部结构,有时还要用线面分析法分析组合体表 面的形状和位置,想象出局部结构的形状
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