Abstract On June 29th, the acceptance of the "600MN Wire Wound Hydraulic Press" in the "National Large-scale Large-scale Ultra-high Pressure Generator", which was undertaken by the State Key Laboratory of Superhard Materials of Jilin University, was held at Jilin University. Earth by the Chinese Academy of Sciences...
On June 29th, the acceptance inspection of the "600MN Wire Wound Hydraulic Press" in the "National Large-scale Large-scale Ultra-high Pressure Generator" of the National Major Scientific Research Instrument and Equipment Project undertaken by the State Key Laboratory of Superhard Materials of Jilin University was held at Jilin University. All members of the expert group led by Xie Hongsen, Institute of Geochemistry, Chinese Academy of Sciences, Wu Zhenwu, Vice President of Jilin University, Academician Zou Guangtian, and the relevant functional department heads of the school attended the acceptance meeting. 
The implementation of the "600MN Wire Wound Hydraulic Press" project can not only increase the current world level of high-pressure chamber volume by two orders of magnitude, but also complete high-temperature and high-pressure research work that could not be performed before, and accurately measure ultra-high temperature and high voltage extremes that could not be determined before. Under the conditions of the nature of the material, carry out further research on high-pressure process mechanisms, and push the results of high-pressure research to the application. The establishment of the device not only plays an irreplaceable role in the high-pressure scientific research of basic disciplines such as physics, chemistry, materials, geosciences and energy, but also promotes the development of disciplines, and can also play a role in solving major national needs and national defense construction projects. Important role.
At the acceptance meeting, the experts listened carefully to the report of the manufacturer, Kunshan Yongnian Advanced Manufacturing Technology Co., Ltd. on the design, manufacture, installation and commissioning of the “600MN wire-wound hydraulic pressâ€, conducted comprehensive inquiries and in-depth discussions, and went to the site. Field investigations were carried out on the equipment and its operation.
The expert group believes that the 600MN wire-wound hydraulic machine manufactured for the characteristics of high-pressure research, the frame and the master cylinder are designed with the prestressing principle, and the wire wound by the in-situ winding robot greatly reduces the deformation under the working conditions of the press load. Provide technical support for obtaining ultra-high pressure environment; Kunshan Yongnian Advanced Manufacturing Technology Co., Ltd. and Jida Superhard Materials National Key Laboratory jointly designed hydraulic control system for high-pressure research, using electro-mechanical double feedback mechanism to achieve a gentle step-up and step-down Process and high-precision hydraulic control; 600MN wire-wound hydraulic machine's performance indicators have reached the contracted standards, is currently the world's largest single-cylinder hydraulic press.
The expert group unanimously agreed that the equipment was qualified and accepted, and suggested that the factory and the school negotiated to reach a memorandum on the improvement and optimization of certain technical aspects of the equipment.
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