Lanzhou made Asia's first helicopter hoisting rig

It has created countless “National First” Lanzhou equipment manufacturing industry, and once again created the world's third and Asia's first ideal drilling rig. On September 16, when the Lanzhou rig first appeared in front of equipment manufacturing experts, th ...read more...

Adaptive EDM Simulator Test

Abstract : The EDM machining model has been established using neural network technology. Experiments show that the neural network model fully reflects the machining characteristics of the machine tool. Based on this model, the relationship between the main processing parameters such a ...read more...

Seventy-two change coal to eat dry squeezed China's coal…

Through the development of carbon-synthetic alternatives to oil products and chemical technologies, a brand-new coal chemical route out of oil dependency has been developed. It is of great strategic significance to use the relatively abundant coal reserves in China's fossil resources to meet in ...read more...

China's ground source heat pump system technology breakt…

As the first project of independently perforating and embedding soil heat exchangers under the buildings, Beijing Wan Guo Cheng's ground-source heat pump air-conditioning system project is under construction in an orderly manner. This project is attracting more and more international attention. ...read more...

Isopropanolamine: Green Chemical Produces Alternative Produc…

Isopropanolamine and ethanolamine are alkanolamine homologues, but have better performance than ethanolamine, and less harmful to the environment and human body, gradually becoming a green chemical product that developed countries strongly promote and encourage the development of There has been a t ...read more...

HSK tool system standard analysis

1 Introduction High-speed machining has become an important part and direction of modern machinery manufacturing technology. At present, the industrialized countries have begun to widely use high-speed cutting machine tools with spindle speeds of tens of thousands of revolutions per m ...read more...