The blast furnace is forced to take measures to protect the furnace due to problems with the longevity of the hearth, which will increase the difficulty of blast furnace operation and deteriorate the economic and technical indicators of the blast furnace, which will have a significant impact on the ...
Alloy 690 is a nickel-based corrosion-resistant alloy. It not only has excellent stress corrosion cracking resistance, but also has relatively high strength, good structure stability and excellent processing characteristics. It has become a large-scale advanced PWR nuclear power plant at home and ab ...
The rapid development of mold manufacturing technology has become an important part of modern manufacturing technology. Such as mold CAD/CAM technology, mold laser rapid prototyping technology, mold precision forming technology, mold ultra-precision processing technology, mold design adopts finite e ...
The production process of the galvanizing line is: chilled coil → degreasing → continuous annealing → galvanizing → smoothing → drawing straightening → roller coating → induction heating → air cooling → quality inspection → oiling, weighing and packaging. Stamping and cracking defects are easy to ap ...
ZrO2 has a high melting point, low thermal conductivity, high dielectric constant, high ionic conductivity and high temperature chemical stability, and is widely used in optical films, catalytic films and oxide fuel cell films. ZrO2 has three crystal phases: monoclinic phase (M), ...
The heating speed of induction heating ranges from tens of degrees per second to hundreds of degrees per second, and pulse quenching reaches thousands of degrees per second (2000～3000℃/s). Because of the fast heating speed and short duration, the quenching temperature is higher than that of ordinary ...
In recent years, the tribological design of general mechanical parts has received widespread attention. Rolling bearings are one of the most widely used mechanical parts. With the development of numerical calculation techniques and methods, calculation simulation and simulation tests have been widel ...
Power consumption is the second largest energy consumption after solid fuel consumption in the sintering process, accounting for about 13% to 20%. Therefore, reducing power consumption is also an important measure to reduce energy consumption in the sintering process. ...
In continuous casting production, network cracks sometimes appear on the surface of round billets. The cracks are small and difficult to find when finishing molds. This causes surface cracks when users are rolling and brings huge losses to the enterprise. ...
If only the sintering of carbon-containing steel is considered, the sintering atmosphere used in the powder metallurgy industry is hydrogen, nitrogen, nitrogen + hydrogen (carbon potential or no carbon potential), decomposition of ammonia, endothermic gas, endothermic gas + nitrogen, synthesis For g ...
The provisions contained in the following standards constitute the provisions of this standard through quotation in this standard. At the time of publication of the standard, the editions shown were valid. All standards will be revised, and all parties using this standard should explore the possibil ...
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The thread cutting process depends on the structure of the machined parts and the CNC machine tool u
Oval gears are widely used in automatic machinery and instrument industries, and are a type of non-c
The cylinder telescopic sheath is a protective component that is installed on the oil cylinder, cyli
The manufacturing cycle is long. Operators are prone to fatigue. Once a failure occurs, it often tak
The Wu Steel Works has two workshops, one steelmaking workshop and the second steelmaking workshop.