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Changes in bearings
The History of Bearings
In terms of technology, bearings have come a long way. This article discusses the history of bearings and their importance in today’s world.
The earliest known form of a bearing dates back to Ancient Egypt. By using a wetted rope as a bearing around a wooden rod, the Egy......
1042 
Sophie
History of Machinery in Ancient China (Part Two)
Chinese Mechanical History (Part 2)
The Tang Dynasty (618-907) marked another golden age for Chinese mechanical achievements. During this time, the Chinese developed the world’s first geared mechanism—the Tang world-shifting-arm, which used two interlocking gears to control the speed of a large......
History of Machinery in Ancient China (Part 1)
History of Ancient Chinese Machinery (Part 1)
The history of Chinese machinery and tool use dates back thousands of years. From flint tools used to sharpen wood and stone tools used to build structures, Chinese inventors have been at the forefront of developing tools and machinery that changed th......
History of Automobile Production (Part 2)
The History of Automobile Manufacturing
Automobiles have been around for over a century, and the history of their manufacture is just as fascinating. Cars have taken many forms over the years, from electric cars to gasoline-powered cars. This article looks at how automobiles were manufactured ove......
History of Machinery in Ancient China (Part 2)
The History of Ancient Chinese Machinery (Middle Ages)
The Middle Ages in Chinese history (589–960 AD) are known as the period of the Five Dynasties and Ten Kingdoms. During this era, the Chinese began to develop techniques for machine building and mechanical engineering that would later contrib......
Causes of bearing failure
Causes of Bearing Failure
Introduced by the invention of the ball bearing more than a century ago, bearings have been a key element of machines. Bearings are designed to provide efficient operation and reduce mechanical wear, but have a limited life span due to the operating environment and opera......
The structure and performance characteristics of five types of bearings
Introduction
Bearings have been around for centuries, but in the modern world, their importance is perhaps even greater than it was at the time of their invention. Low friction and high precision bearings are the driving force behind machine tools, industrial robots and precise instruments, which......
The origin of the copper kettle hourglass
The Origins of the Dripping Copper Kettle
The origin of the dripping copper kettle is difficult to trace. Many mysteries still surround the instrument, and yet its signature twang can be closely associated with certain cultures and countries. “Why,” one might ask, “is the dripping copper kettl......
contemporary history of mechanical engineering
内容
Introduction
Mechanical engineering is the application of physics, mathematics, and engineering principles to the manufacture, design, and operation of machines, tools and mechanical systems. It is one of the oldest and most versatile disciplines in engineering. While its core principles have......
Toothed wheels in ancient China
Toothed wheels have a long history in ancient China, with records of their use stretching back as far as 4000 BCE. For centuries, wooden and metal toothed wheels were used in a variety of ways, including in clocks and other mechanical devices, to measure time and carry out a range of functions.
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