5-coordinate CNC machine tool

The 5-coordinate CNC machine tool is the key infrastructure in aircraft manufacturing. It was impossible for China to import a 5-coordinate CNC machine tool from abroad 15 years ago. At that time, a Paris-based coordinating committee controlled by Europe and the United States developed a restriction on the export of the mainland. Equipment, in which 5 coordinate CNC machine tools are one of the important embargo projects. This is also a major reason why China's aircraft manufacturing industry has been restricted and can not develop very well.

The 5-coordinate CNC machine that we were able to buy at that time was a second-hand equipment used by people for more than 10 years. For example, the 5-coordinate CNC machine tool that China Aviation Technology bought from the bright factory in McDonnell Gate 10 years ago is home. 10 years of elimination of second-hand goods (60s products) Shenyang Machine Tool Company is China's main machine tool production department, 8 years ago from the World Bank loan 200 million US dollars, plus the national supporting funds to do the transformation of the entire Shenyang machine tool industry, purchase A lot of basic equipment for machine tool manufacturing (such as casting sanding, induction furnace, etc.), although the equipment was purchased by tender, most of the labels were cast in Tsinghua by the Mayor of Shenyang City, Mujing XX (has been sentenced to life imprisonment). Professional classmate Lei XX.

Now that 10 years have elapsed, the production of our 5-coordinate CNC machine tools is still unclear. Is it really puzzling? When do our big aircraft manufacturing really want to be independent?

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