**Abstract**
After years of dedicated research and development, the "Ultra-Thin Diamond Wire Wafer Cutting Machine" project under Jiangxi Province’s strategic emerging industry R&D and guidance program has successfully completed all its objectives. On August 22nd, an official project acceptance meeting was held in Pingxiang, marking a significant milestone in the advancement of cutting-edge manufacturing technology in the region.
During the meeting, nine expert reviewers, led by Professor Duan Zhengcheng from Huazhong University of Science and Technology, carefully examined the project. They listened to detailed project reports, observed live demonstrations, reviewed supporting documents, and engaged in in-depth discussions. The experts unanimously recognized the project as a breakthrough achievement in China's photovoltaic industry. The developed machine is the first ultra-thin (120µm) diamond wire wafer cutting system in the country, with a cost that is 50% lower than similar foreign models. Its comprehensive technical performance has reached international advanced levels, and it is expected to break the foreign monopoly in the diamond wire cutting market.
This innovation will accelerate the transition of photovoltaic industry cutting technology from traditional mortar-based methods to more efficient and environmentally friendly diamond wire techniques, promoting green production and sustainable development.
The project team has developed a complete set of technologies and processes for the ultra-thin diamond wire wafer cutting machine, including the overall structure, automatic control systems, and ultra-thin wafer cutting techniques. By introducing a dual-spindle roller design, the occurrence of wire jumping during operation has been significantly reduced, enhancing equipment stability. The optimized winding system minimizes distortion of the diamond wire during transitions, while the improved control system enables real-time monitoring of cutting speed and feed rate, improving coordination and reliability. Additionally, an ultrasonic automatic filtration system has been integrated to enhance the efficiency of cutting fluid usage.
The project acceptance meeting was attended by leaders and experts from various prestigious institutions, including the China Electronics Technology Group, Huazhong University of Science and Technology, the Jiangxi Department of Science and Technology, Nanchang University, Central South University, Jiangxi Normal University, the Jiangxi Provincial Machinery Industry Office, the Jiangxi Mining Machinery Research Institute, and the Pingxiang Municipal Government, along with representatives from relevant local departments. Their presence underscored the importance of this technological breakthrough and its potential impact on the future of the photovoltaic and manufacturing sectors.
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