根据已知条件,构思组合体的形状、大小并表达 成图的过程称为组合体的构形设计。 组合体的构形设计能把空间想象、构思形体和表 达三者结合起来。这不仅能促进画图、读图能力的提 高,还能发展空间想象能力,同时在构形设计中还有 利于发挥构思者的创造性

Mechanical Engineering as a Profession 1、 Introduction Scientists study the world as it is, engineers create the world that never has been What is engineering Engineering is the art of applying scientific and mathematical principles, experience, judgment, and common sense to create things that benefit people In other words, engineering is the process of producing a technical product or system to meet a specific need What engineers do Engineers: Turning Ideas into Reality

Solid Mechanics and Mechanical Engineering Objectives After learning this chapter, you should be able to do the following Differentiate between the different types of basic loading conditions. Understand the basic approach of the Finite Element Method(FEM)

Materials and Mechanical Engineering Sections 1 Introduction. 2. Atomic Bonds. 3. Material Properties, 4. Selection of Materials Objectives After learning this chapter you should be able to do the following Understand how material properties are used to qualify materials for engineering design

Chapter 1 Introduction 1. 1 Definition of Manufacturing 1.2 Machining Technology 1. 1 Definition of Manufacturing >What is manufacturing? Manufacturing is more than transformation of raw materials into value-added outputs meeting specifications

Mechanical Engineering as a Profession 1、 Introduction Scientists study the world as it is, engineers create the world that never has been What is engineering Engineering is the art of applying scientific and mathematical principles, experience, judgment, and common sense to create things that benefit people In other words, engineering is the process of producing a technical product or system to meet a specific need

发酵已经从过去简单的生产酒精类饮料、生产醋酸 和发酵面包发展到今天成为生物工程的一个极其重要 的分支,成为一个包括了微生物学、化学工程、基因 工程、细胞工程、机械工程和计算机软硬件工程的一 个多学科工程

2.1 合金中的相结构 2.2 固溶体 2.3 金属化合物及其性能 2.4 二元合金相图的建立 2.5 铁碳合金

3.1 碳素钢 3.2 合金钢 3.3 铸铁 3.4 有色金属及其合金

2-1视图 2-2视图选择 2-3尺寸标注24画图与读图 2-5剖面图 2-6断面图 2-7简化画法