Search results for keyword: bows
bow and crossbow
中
Bow and Arrow
Bow and arrows have been around for thousands of years, and have found uses in hunting, warfare, and even in sports and recreation. Although the technology behind bows and arrows has advanced significantly over the centuries, the basic designs and principles behind them remain the ......
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Sophie
ancient history of machinery
Ancient History of Machinery
The very first machines were created as replacements for human skills. For example, back in ancient Egypt, 4000 BC, farmers and merchants used shadufs, a manual machine created to lift water from a river and put it into a crop field. This allowed them to control the a......
Special machine tool for pipe processing
Introduction to pipe processing CNC machine tools
Pipe processing CNC machine tools are special machine tools for the processing of pipes. They are widely used to process straight pipes, fitties, flanges, tee joints, elbows, bellows and so on.
Pipe processing CNC machine tools are often used in ......
Anti-wear high chromium white cast iron for industrial use
，能用来做宣传。
Industrial Anti-Wear High Chromium White Heart Cast Iron
Industrial anti-wear high chromium white heart cast iron is a widely used high-performance and wear-resistant material. It is widely used in the defence, aerospace, marine, petrochemical, oil refining, and automotive industr......
Flow Loss Coefficient of Iron Castings
The flow loss coefficient for cast iron parts
Cast iron is a smoothly polished metal that is commonly found in engineering designs and applications. It is a ferrous metal alloy mixture of iron and carbon with trace amounts of other elements that can be varied to make cast iron stronger or more we......
Ancient Chinese Heat Treatment Technology
Introduction
Metal smelting and heat treatment technology have been developed since the early days of Chinese civilization. Heat treatment is an integral part of the Chinese civilization, as it is one of the most effective techniques used to modify and shape metals. Heat treatment is used mainly ......
Roller Straightening
Roller Straightening
Roller straightening is a cold metal forming process used to achieve a high degree of accuracy in straightening and shaping metal components. It is a metal forming process that uses rollers to shape, flatten, and/or reduce metal components. The process of roller straightening......
Tube end processing
The process of pipe processing
Pipe processing is a type of fabrication process used to create a variety of products, including pipes, elbows and joints, flanges, fittles, valves, bolts, nuts and many other items for industrial, commercial and residential applications. This method of processing r......
Common Types of Scrap Copper
Common Types of Scrap Copper
Scrap copper is one of the most valuable and widely used recycling materials. It is malleable, ductile and highly conductive and is used for a variety of purposes in manufacturing and building, as well as in the electrical and telecommunications sectors. Because of it......
Steel Tube Magazine
China is home to the world’s fastest growing steel industry. In the past few years, Chinese steel production hasgrown exponentially, due to strong economic and population growth. This growth has allowed the Chinese steel industryto become the world’s largest producer of steel, producing more tha......
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