2010024 金属工艺学1(中英文)(2011)

天津大学《金属工艺学1》课程教学大纲

课程编号：2010024 课程名称：金属工艺学1

学时：48 学分： 3

学时分配：授课：48

授课学院：机械工程学院

适用专业：工程类、管理类各相关专业

先修课程：工程制图、普通物理、普通化学

一、课程的性质与目的

本课程是工程类、管理类各相关专业的专业基础课。课程的目的是使学生掌握金属材料及其各种加工方法的基础知识。本课程运用普通物理、普通化学、机械制图和力学等课程的基础知识，阐述金属材料成形和切削加工的性质和特点。通过课堂教学和后续的工程实习，掌握金属的有关知识和各种加工方法，掌握机械零件加工的工艺性，了解金属零件加工处理的全过程，为后续专业基础课和专业课服务。

二、教学基本要求

本课程要求掌握金属材料及其性能和分类，掌握金属材料成形的工艺方法及其基本原理，其中包括：铸造、金属压力加工、焊接、热处理等；掌握各种切削方法及其基本理论，其中包括：车、钳、钻、镗、銑、刨、磨等；掌握各种成形与加工工艺的适用范围、所使用设备、刀具、卡具和量具。通过学习，初步掌握典型零件的工艺制订过程及其加工的工艺性。

三、教学内容

第一篇金属材料

第一章金属材料的机械性能

第二章金属及合金的晶体结构

第三章金属的晶体构造；金属的结晶过程；合金的晶体结构

第四章铁碳合金；铁碳合金状态图；钢的分类与编号

第二篇铸造

第一章合金的铸造性能

第二章合金的流动性；合金的收缩

第三章常用铸造合金；铸铁；铸钢和有色合金

第四章铸件结构工艺性

第五章砂型铸造工艺；铸型工艺设计；机器造型简介

第六章特种铸造简介：熔模铸造；金属型铸造；压力铸造；低压铸造；离心铸造

第三篇压力加工

第一章金属的塑性变形

第二章塑性变形的实质；塑性变形时金属组织和性能的变化；金属的可锻性第三章锻造工艺；自由锻；模锻；锻件结构工艺性

第四章板料冲压：分离工序；变形工序

第四篇焊接

第一章电弧焊的原理；直流焊接电源的正接与反接

第二章电弧及电弧焊的冶金过程特点；焊条；焊接接头金属的组织及性能；

焊接应力与变形

第三章其他焊接方法：埋弧自动焊；气体保护焊；电渣焊；等离子弧焊；电阻焊；钎焊

第四章常用金属材料的焊接：可焊性的概念；钢的焊接；铸铁与有色金属的焊接

第五章焊接件的结构工艺性

第五篇切削加工

第一章金属切削的基础知识

第二章切削运动及切削要素；刀具材料及构造；金属切削过程；切削加工技术经济简析

第三章金属切削机床的基本知识：机床传动；自动机床和数控机床简介

第四章常用切削加工方法：车、钻、镗、铇、拉、铣、磨削

第五章光整加工和特种加工：光整加工；特种加工

第六章典型表面加工分析：外圆面加工；孔的加工；平面加工；成型面加工；

螺纹加工；齿轮齿形加工

第七章工艺过程的基本知识、概念；工件的安装和夹具；工艺过程的拟定第八章零件的结构工艺性

四、学时分配

五．评价与考核方式

采用百分制，总成绩的构成及比例如下：

1．期末考试 80%

2．平时成绩 20%

六．教材与主要参考资料

[1] 邓文英，金属工艺学（上、下册），高等教育出版社，2008.7

[2] 傅水根,机械制造工艺基础，清华大学出版社，2010.7

[3] 孙康宁、李爱菊，现代工程材料成形与机械制造基础（上、下册），高等

教育出版社，2010.12

[4] 邢忠文、张学仁，金属工艺学，第二版，哈尔滨工业大学出版社，2003.8

[5] 吕广庶、张远明，工程材料及成形技术基础，高等教育出版社， 2001.9

TU Syllabus for “Metal Technology 1

Code: 2010024 Title: Metal Technology 1

Semester Hours: 48 Credits: 3

Semester Hour

Structure Lecture：48

Offered by: School of mechanical engineering

for: Engineering, management and other relevant profession Prerequisite: Engineering graphics, General chemistry, General physics

1. Objective

That is a basic course of engineering, management, and relevant expertise. Its purpose is to enable students to master the basic knowledge of a variety of metal materials and processing methods. The course is the use of general physics, general chemistry, mechanical drawing and basic knowledge of mechanics and other courses to explain the nature and characteristics of the metal forming and machining. Through the study to master the relevant knowledge and a variety of metal processing methods, master the technology of machine parts processing, and understand the whole process of metal parts manufacture.

2. Course Description

That deals with the knowledge of all kinds of metal materials and their processing methods, including: casting, metal pressure processing, welding, heat treatment and metal cutting processing, cutting tools and technology. Through this course it enables the students to master the relevant knowledge and a variety of metal processing methods, master the technology of machine parts processing, understand the whole process of the metal parts processing.

3. Topics

1) Metallic material

1.1 Metallic material mechanical property

1.2 Metal and alloy crystal structure

1.3 Crystal structure of metal; metal crystallization process; alloy crystal structure

1.4 Iron-carbon alloy, Iron-carbon alloy state diagram; classification and number of

steel

2) Casting

2.1 Alloy casting performance

2.2 Mobility; contraction

2.3 Common cast alloy, cast iron; steel and nonferrous alloys

2.4 Structure of the casting process

2.5 Sand casting process, casting process design; machine molding profile

2.6 Special casting: lost wax casting; metal mold casting; pressure casting; low

pressure casting; centrifugal casting

3) Pressure processing

3.1 Plastic deformation of metals

3.2 Essence of plastic deformation; microstructure and performance changes of

metal plastic deformation; malleability of metal

3.3 Forging process: free forging; die forging; structural process of forging

3.4 Sheet metal stamping: separation process, deformation process

4) Welding

4.1 Principle of arc welding, DC power supply (electrode, plus or minus

connections)

4.2 Metallurgical process of arc welding; welding rod; properties of welded joints;

welding stress and deformation

4.3 Other welding methods: submerged arc welding; gas shielded arc welding;

electroslag welding; plasma arc welding; resistance welding; brazing

4.4 Welding of common metal: the concept of weldability; steel welding; welding of

cast iron and nonferrous metals

4.5 Structural process of welding

5) Cutting

5.1 Basics of metal cutting

5.2 Cutting movement and cutting elements; tool materials and construction; metal

cutting process; technical and economic analysis for machining

5.3 Basics of metal cutting machine tools: machine drive; introduction to

automatic machine tools and CNC machine tools

5.4 Common cutting methods: turning, drilling, boring, planning, broaching,

milling, grinding

5.5 Light finishing and special processing

5.6 Typical surface processing: Cylindrical surface，hole, plane, molding plane,

screw, gear tooth

5.7 Basic concepts of technological process; the fixture and installation; the

process formulation

5.8 Structural process of parts

4. Semester Hour Structure

5. Grading

Hundred mark system, the composition and proportion of the total score as follows:

1) 80% of final examination

2) 20% of normal results

6. Text-Book & Additional Readings

[1] Deng Wenying. Metals Technology. Higher Education Press, 2008.7

[2] Fu Shuigen. Foundation of mechanical manufacturing. Tsinghua University Press, 2010.7

[3] Sun Kangning, Li Aiju. Foundation of modern engineering material forming and mechanical manufacturing. Higher Education Press, 2010.12

[4] Xing Zhongwen, Zhang Xueren. Metal Technology. Harbin University of Technology Press, 2003.8

[5] Lv Guangshu, Zhang Yuanming. Foundation of engineering material and forming technology. Higher Education Press, 2001.9