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本書共10章，全面、系統(tǒng)地介紹了機械制圖的基本知識，并將其理論與計算機輔助設(shè)計軟件AutoCAD的應(yīng)用相結(jié)合。第1章和第2章介紹了AutoCAD中繪圖和修改面板以及設(shè)置和啟動圖形所需的其他命令；第3章介紹了機械制圖國家標準的部分內(nèi)容及徒手繪圖的方法；第4章介紹了正投影法、基本體和組合體的三視圖，立體表面交線及如何應(yīng)用AutoCAD中的繪圖和修改命令繪制三視圖；第5章介紹了常用的機件表達方法，以及應(yīng)用AutoCAD相關(guān)命令繪制剖視圖、斷面圖和局部放大圖等；第6章介紹了三視圖的尺寸標注方法；第7章介紹了公差；第8章介紹了常用件和標準件的用途和畫法，包括螺紋連接件、齒輪、鍵、銷、滾動軸承和彈簧等；第9章主要介紹了零件圖和裝配圖的畫法及讀圖方法；第10章介紹了AutoCAD三維實體繪圖功能。各章均附有相關(guān)詞匯注解。
本書可作為高等院校機械類及近機械類各專業(yè)全英文課程或雙語課程的教材，也可作為教育機構(gòu)相關(guān)專業(yè)人員及其他有關(guān)工程技術(shù)人員的參考書。

This book is prepared as an innovative and comprehensive textbook for international and domestic undergraduates to learnMechanical DrawingorEngineering Drawingcourses in full English or bilingual Chinese-English settings.The course design is innovative in sense that it has been developed based on the comparison，absorption，and enhancement of the Engineering Drawing courses in top engineering universities and colleges worldwide.The book is aligned with the National Standard of Mechanical Drawing in China，and it covers technical drawing skills to inspire students interests in computer aided design（CAD）and make their learning experience more interactive and rewarding.
The features of this book are as follows：
1）In introducing the mechanical drawing theory，this book emphasizes on the integration of CAD theory with hand-on skill training of using CAD software tools；the teaching materials are prepared to cultivate students engineering intuition，awareness and desire for creativity.
2）The book has a clear course structure and a full coverage of theory and practice of engineering drawing.In each chapter，the key concepts are highlighted，and the teaching methods are designed to include the contents at different levels of difficulty for effective learning.Many examples are included to illustrate the concepts and drawing methods，and the project assignments are presented in some chapters to help students to learn and master knowledge through teamwork.
3）The book adopts the two-way method instead of the one-way method in traditional teaching，the information is expected to be exchanged between instructors and students in both ways.It requires that the use of each concept needs students to illustrate in CAD environment.Transforming one-way into two-way teaching mode allows instructors and students to be interactive and learning from each other effectively.
Wang Xiaoqin，Wu Fenxiang and Qiu Yafeng，three associate professors of Nanjing University of Science and Technology，wrote the main content of this book.Chapter 1，2 were compiled by Qiu Yafeng.Chapter 3～8 were written by Wang Xiaoqin.Chapter 9 and 10 were compiled by Wu Fenxiang.Deng Jiayi and Xia Tianyuan contributed to three-dimensional drawings in Chapter 4，5，6，7.Yan Wuling compiled the appendix.
We would like to express our sincere appreciation to the leaders and colleagues at School of Mechanical Engineering of Nanjing University of Science and Technology for their great support and collaboration.We would like to thank Professor Bi Zhuming at Department of Civil and Mechanical Engineering of Purdue University Fort Wayne for constructive proofreading of the manuscript.Finally，We cordially welcomes and appreciates all comments and suggestions from readers.

Wang XiaoqinContents

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