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Machinery Design is an important technological basic course in mechanical engineering education. This English textbook of Machinery Design is written for Chinese students majoring in mechanical engineering in accordance with the basic teaching requirements for this course set up by National Education Ministry and to enhance billingual teaching in China"s universities of science and technology.

It is designed to satisfy the teaching requirements for this course,to develop the English competence of the students,and to help them to meet the challenge of economic globalization and technical and scientific revolution.

There are 19 chapters in this textbook:Introduction,Principles of Machinery Design,Failure Theories and Material strength,Friction,Wear and Lubrication,Design of Threaded Fasteners and Joints,Design of Keys,Splines and Pins,Design of Riveted,Welded and Bonded Joints,Transmission of Belts,Transmission of Chains,Design of Gears,Design of Worm Gearing,Sliding Bearings,Rolling-Contact Bearings,Couplings and Clutches,Shafts,Springs,Housings and Frames of Machines,Reducer,and Projects of Machinery Design. At the end of each chapter some problems and notes are designed for practice and better understanding.

This textbook can be used as textbook for teachers and students of mechanical engineering for the course of Machinery Design,and as reference book for teachers,students and engineers of other relevant engineering areas.