机械工程历史简介(英文).ppt

1、Mechanical engineering,The developing process of,1,The developing process of mechanical engineering over the world,The contemporary history of Mechanical Engineering,2,The ancient history of machinery engineering,Europe,Ancient Greece and Rome,ancient Egypt,3,Mechanical begins with tools,Stone tools

2、,Bone tools,Arched drill（弓形钻）,Footpower lathe（脚踏车床）,4,The ancient history of machinery engineering,This stage was known as the classical period. Some famous philosophers and scientists lived during the ancient Greece period . They made the enormous contribution to the development of the ancient mach

3、inery . Such as the theory about 5 simple machines (lever, wedge, pulley, wheel and shaft, screw)杠杆、尖劈、滑轮、轮与轴、螺纹, is still of great significance.,Thermal mechanical appeared mainly as the Greek scholars and philosophers plaything. The aeolipile(汽转球), being the first device,turning steam pressure int

4、o mechanical power, is famous in the world. It is perhaps the earliest device with principle of jet reaction(喷气反作用原理).,5,The ancient history of machinery engineering,10001500AD,15001750AD,Because of utilizing the advanced technology from china , Arabia and Persian Empire, the mechanical technology b

5、egan to recover and develop.,The mechanical technology had developed rapidly. Many scientists in engineering, born in Europe , laid the aspects of the theoretical basis.,Mechanical development ,owing to the depression of the classical culture of ancient Greece and Rome, had been into long pauses.,La

6、rge cast,Mechanical clock,Gear cutting machine,Newton,Galileo,6,The Picture show,1,2,3,1,The industrial revolution,17501900 The development of mechanical engineering, in the process of industrial revolution plays a main role.,3,Internal combustion engine,Internal combustion engine has promoted the r

7、apid development of the industrial revolution,4,Motor,With the generator and the motor of the invention, the world begins to enter the age of electricity.,4,2,Steam engine,The steam engine invented by Watt promoted the development of the industrial revolution.,7,The contemporary history of Mechanica

8、l Engineering,Since twentieth Century, the world of mechanical engineering development is far more than a century. Especially after the Second World War， the science and technology work from the individual activities to the social. The all-round development of science and technology, especially elec

9、tronic technology, nuclear technology and aerospace technology ,which are integrated with mechanical technology, greatly promoted the development of mechanical engineering.,8,The contemporary history of Mechanical Engineering,40 years before the Second World War,30 years after the Second World War,9

10、,The contemporary history of Mechanical Engineering,The power of machinery increased, which further improved the efficiency of World industry. The scientific management system , pioneered by American F.W. Taylor, was widely promoted in the beginning of twentieth Century in some countries , mechanica

11、l engineering played a important role in promoting the development.,10,The contemporary history of Mechanical Engineering,During this period, mechanical engineering was integrated with other fields of science and technology ,then,it formed a lot of new branch. The development of the mechanical engin

12、eering was accelerated, The research of mechanical engineering has made great progress .Therefore, nuclear technology, electronic technology, aerospace technology developed rapidly.,Tractor,Atomic bomb,Airplane,11,The contemporary history of Mechanical Engineering,Mechanical engineering is integrated with electrical engineering, electronics, metallurgy, chemistry, physics and laser technology, creating a lot of new technology, new materials and new products, so that mechanical products are more and more pr