With the development of automobile technology, the structure of automobile body, especially the material and structure of automobile body, has also changed, and the application of load-bearing body is more and more extensive. Therefore, higher requirements are put forward for the body repair work. After the sheet metal repair, it is not only to restore the appearance, but more importantly, to try to restore the whole body shell to the state before the damage, so as to ensure that the repaired car will not have a "secondary accident" because of the body repair; Spraying should not only meet the requirements of flat appearance, but also improve the requirements of color and durability. All these must apply advanced equipment, carry out standardized operation and strictly control quality to meet the requirements of high-standard and high-quality body maintenance work.

With the development of automobile body maintenance technology, the quality requirements for body maintenance practitioners are getting higher and higher. They not only know new technologies, new processes and new materials, but also have quality awareness and safety awareness, and there is a shortage of professionals who can operate according to specifications. Therefore, according to the teaching and practical experience accumulated for many years, technicians who have been engaged in automobile body repair work in enterprises for many years have been hired to participate in the compilation of this textbook, which not only conforms to the characteristics of higher vocational education, but also has pertinence, timeliness, practicality and operability.

This book is edited by Jiang Yong of Jilin Communications Vocational and Technical College, the technician of Jilin Jingang Automobile Sales and Service Co., Ltd., the deputy editor of the building of Jilin Communications Vocational and Technical College, and the editors of Mapie and Zhang Wanchun of Jilin Communications Vocational and Technical College. Chapters 1, 2, 9, 10,1and 12 were written by Jiang Yong, chapters 3, 5, 6 and 7 by Lou.

In the process of writing this book, I received strong support from Jilin Jingang Automobile Sales and Service Co., Ltd., and I would like to express my gratitude.

Due to the rush of time and the limited level of editors, it is inevitable that there will be improper or mistakes in the book. Sincerely welcome readers to criticize and correct me.

Editor's editor

165438+20091October