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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......
1059 
Sophia
Ground balance
Two of Chinas greatest empires, the Tang and the Song, were known for their unmatched sophistication and technical advances. Many of the advances were attributed to the systems of education that were put in place in both empires. The Tang Empire was the first to implement a large-scale system of e......
Fine press technical parameters
Blood pressure is the pressure with which arterial blood pushes against the walls of arteries. Measuring this pressure has become more convenient by the introduction of the automatic digital blood pressure monitor. It is also known as a sphygmomanometer. 血压是动脉血液推动动脉壁的压力。 通过引入自......
sintering
A Lesson in Acceptance
Living in acceptance is much easier said than done, but it is the key to living a life free of previously damaging thoughts, beliefs and expectations. To develop an understanding of acceptance, it is important to learn the various levels to which it can be incorporated into......
lost wax method
Introduction
Lost wax casting is a traditional casting technique used for making sculptures and complex components for industrial use. As the name implies, it involves the use of a wax model which is “lost” in the casting process. First, the model is made in a wax material and is carefully shap......
Medium Manganese Wear-resistant Ductile Iron Smelted in Cupola Furnace
Chromium-molybdenum anti-wear casting iron, generally known as chrome-moly-iron, is an iron alloy that is widely used in highly corrosive and abrasive industrial environments. The alloy can withstand temperature variations ranging from –50℃ to 350℃, while exhibiting superior wear and corrosion ......
Influence of Carbide of Medium Manganese Ductile Iron on Wear Resistance
The Effect of Ferromanganese Cermets on Abrasion Resistance
Abstract
This paper examines the effect of ferromanganese cermets on abrasion resistance. Ferromanganese cermets are an alloy composed of iron and manganese, and are widely used in the manufacture of wear parts. In this study, the wear ......
cast brass
Introduction
Brass is an alloy of copper and zinc, and has been used by humans for many thousands of years, from tools used by early civilizations to ornate decorations on buildings and other structures. It is a versatile material, prized for its combination of strength, malleability, and attract......
The role of spinning machine
Thread Spooling Machine
A thread spooling machine, also known as a winder or a yarn winder, is an essential unit used in the textile industry to package threads of material into spools that are used in the weaving, knitting, and other fabric-making processes. Thread spooling machines have been us......
lift
Industrial Elevator
Industrial elevators are a critical component of almost any industrial facility. This type of elevator is used for many purposes, including the transfer of materials, the transport of bulky machinery and the movement of personnel. Choosing the right industrial elevator for your......
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