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heat treatment of metals in ancient China
Heat Treatment of Metals in Ancient China
The history of heat treatment of metals in China dates back to the Shang Dynasty (1600-1046 BCE). This early heat treatment was used to soften and harden bronze utensils and weapons such as knives and spearheads, by heating and cooling in a process that i......
1050 
Sophie
A Review of Brazing (Part 1)
Introduction to Brazing
Brazing is a widely used method for joining two pieces of metal together, usually with a filler metal, such as copper, brass, bronze, or aluminum. The brazing process is fairly simple, as it involves heating the pieces of metal with a torch or other heat source and then in......
CNC machining process design
Numerical Control Machining Technology Design
Numerical control machining, commonly referred to as NC machining, is a form of computerized machine tool operation built on the automation of machine tools and machining processes. It is used to control a variety of machine tools, including mills, la......
Application of Deep Well Manual Pump in Rural Water Supply
Deep Well Hand Pump for Rural Water Supply
Water is an essential element for all life forms. In many rural and undeveloped areas, access to clean and safe drinking water can be seriously affected by shortages or poor infrastructure. With populations increasing in many parts of the world, clean ......
Chuck
THE HISTORY OF EATING UTENSILS
One of the key elements of any civilization is the tools and utensils used by its people for the purpose of eating and food preparation. Eating utensils are usually the first tools invented by people, as the need for them is universally experienced. Not surprisingly......
Different characteristics of special vibration bearings and ordinary bearings
Vibration special bearings and ordinary bearings have certain differences in performance, structure and manufacturing technology.
1. The same application is better than traditional bearings, such as electric motors, alternators and general-purpose machinery, which require smaller outer diameter a......
Installation of tapered roller bearings and shaft-connected bearings of water pumps
Installation of Cylindrical Roller Bearings and Pump Shaft Bearings
Cylindrical roller bearings and pump shaft bearings are commonly found in a variety of industrial applications. These bearings have been designed to be able to handle high loads and provide the necessary support for a variety of ......
Features of Centerless Grinding of Bearing Rings
The outer diameter of bearing ring is often subjected to finish grinding after forging or turning. Finishing grinding of bearing ring is an important process in bearing manufacturing, which affects the accuracy and performance of bearing, so it requires higher accuracy and stability.
Finishing gr......
Bearing assembly quality index
Bearings Assembly Quality Indicators Introduction
Bearings are found in a variety of applications in automobiles, computers, and other mechanical and electronic equipment. Their performance is an important factor in the quality and reliability of machines, and therefore their assembly quality is ......
Quantity transfer for length measurement
Summer in the City
Summertime in the city can be a magical experience. You don’t have to go very far to find something interesting to do – theres always something to explore. Summer in the city is a season of exploration and discovery.
No matter what type of activities interest you, there’s s......
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