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400MN large die forging hydraulic press was formally put into operation in Xi'an Yanliang National Aviation High-tech Industrial Base
400MN large die forging hydraulic press was formally put into operation in Xi'an Yanliang National Aviation High-tech Industrial Base
Guide: Recently, a 400MN (40,000 tons) large die forging hydraulic press constructed by Xi'an Delta Aviation Technology Co., Ltd., located in Xi'an Yanliang National Aviation High-tech Industrial Base, was successfully put into use, marking that China's first 400MN large die forging hydraulic press has been equipped.
Mechanism for increasing cutting speed in micro-lubrication machining
The cutting tool cuts the metal by breaking the metal layer. The fracture of the metal layer means that the external force destroys the metal structure while releasing the internal energy of the metal in the form of heat. During cutting, on the one hand, the chip transfers the heat of the crack point to the surface of the cutting tool, and on the other hand, the chip is subject to bending stress and comes into contact with the cutting tool to produce frictional heat due to the relatively rapid movement.
The growth rate of the construction machinery industry has slowed down significantly and urgently needs transformation
Recently, CMIIC2015 launched a press conference and the HC Construction Machinery Network January to April e-commerce transaction index conference was held in Beijing. The data shows that the growth rate of the construction machinery industry in the country has slowed down significantly, promoting the deep integration of the Internet and the industry, and it is particularly necessary to quickly take advantage of the transformation.
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