Search results for keyword: sme
Improvement of bearing steel smelting process
The Improvement of Bearing Steel smelting Process
Bearing steel is one of the most important classes of steel in modern industry. Bearing steel has extremely high strength and hardness, and this property gives it a wide range of applications in the automotive, aeronautic and aerospace industries. ......
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Coal Gangue Comprehensive Utilization Technology
Integrated Utilization of Coal Gangue
Background
In modern energy development and industrial production, energy is an important material basis, and coal is an important energy source. Coal burning and other smelting processes during industrial production will inevitably produce solid residues— ......
bronze smelting technique in ancient China
Bronze smelting Technique in Ancient China
Bronze smelting was one of the great achievements of ancient China. Between the 16th and 11th centuries BC, the art of bronze smelting was perfected. In this process, the ore was heated to a high temperature, resulting in an alloy of copper and tin tha......
Screw press
Screw press
A Screw Press is a mechanical device that uses a rotating screw to extract liquid from solids. It is also known as a helical screw press or an Archimedes screw press. This type of press was originally invented by Archimedes in the third century BC.
A modern screw press typically cons......
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......
continuous casting
Continuous casting (CC) is a technique used to cast liquid metal into a solid form. A continuous casting machine typically consists of at least two roller assemblies (pumps) mounted on a frame that conveys the solidified metal to a quenching station. The roller assemblies have a solid casting tabl......
Process Improvement of Steel Castings
Introduction
The improvement of the process for casting steel parts is an important part of the manufacturing process. It is an important factor for improving the quality, efficiency and cost-effectiveness of the parts formed. The various features of the process for casting steel parts include ch......
Temporary protection
Temporary Protective Orders
Temporary protective orders, or TPOs, are a type of court order that can be issued for a variety of situations, usually involving the protection of an individual or property from harm. These orders can be issued for a variety of reasons, such as restraining someone fro......
Causes and Control of Cutting Fluid Deterioration and Odor
The Causes and Control of Degradation and Malodor of Metalworking Fluids
Metalworking fluids are found in a wide variety of industries where machining and cutting of various materials is taking place. These fluids can be used for cooling, lubrication and corrosion prevention during the machining ......
GB 6681-86 General Rules for Sampling of Gas Chemical Products
General Principles of Gas Chemical Products Sampling GB 6681-86 “The General Principles for Gas Chemical Products Sampling” provides criteria for sampling variety of gas chemical products, as well as provisions and modeling diagrams of sampling device. This standard effectively protects the fair ......
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