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The appraisal meeting was organized by the Shaanxi Provincial Department of Science and Technology and the Shaanxi Provincial Machinery Industry Management Office. The YK7236A, YK7220 and YK7332A three CNC worm grinding wheel grinding machine products developed by Qinchuan Machine Tool Group Co., Ltd. were scientifically identified and new. Product identification. The appraisal committee consists of the honorary chairman of the China Machine Tool Association, the professor-level senior engineer Liang Xunqi, the dean of the School of Mechanical Engineering of Xi'an Jiaotong University, the professor, the PhD supervisor, the Chinese Academy of Engineering academician Lu Bingheng, the professor of Xi'an University of Technology, and the director Huang Yumei. The appraisal committee conducted a rigorous review of the three models of products, listened to the product development summary report, product quality inspection report, user use opinion report, etc., reviewed relevant technical documents and materials, and inspected the product function demonstration.
The appraisal committee believes that the secondary development of the YK7236A CNC worm wheel grinding machine CNC system developed by Qinchuan Machine Tool realized the dynamic compensation function of the electronic gear box and improved the grinding quality of the workpiece gear; developed the intelligent CAM control software, which will process The process experience is integrated into the expert system; the acoustic emission technology is used to realize the automatic meshing of the grinding wheel and the workpiece and the automatic distribution of the tooth surface margin on both sides of the workpiece, which ensures the consistency of the grinding surface allowance on both sides of the gear and improves the grinding quality; On the worm wheel grinding machine, the synchronous motor variable frequency drive, grating pre-feedback, electro-hydraulic proportional valve position servo control, gear drive chain error compensation and other technologies are adopted to improve the working accuracy of the machine tool. This machine is the world's first, and the performance of the whole machine has reached the international advanced level.
Experts believe that YK7332A CNC forming grinding wheel grinding machine works safely and reliably, and fills the domestic blank of high-precision and high-efficiency CNC forming grinding wheel grinding machine with 覫320mm. Its main performance indicators are at the international advanced level. YK7220 CNC worm wheel grinding machine has developed a small modulus gear CNC worm wheel grinding machine at home and abroad. Through process innovation, it solves the high-precision machining problem of the workpiece holder spring collet, ensuring the machining accuracy of the machine tool and filling the gap. The gaps at home and abroad have reached the international advanced level.
At the appraisal meeting, Dongfeng Motor Co., Ltd., Shaanxi Fast Gear Co., Ltd., Dalian Innovation Gearbox Manufacturing Co., Ltd., Hafei Group Electromechanical Manufacturing Co., Ltd., Shanxi Yuci Jingwei Chemical Fiber Machinery Co., Ltd., Qingzhou Tianshi Gear Co., Ltd. The use of the Sichuan gear grinding machine was highly praised, and the function, stability, automation and precision of the Qinchuan gear grinding machine were satisfactory. Dalian Innovation Gearbox Manufacturing Co., Ltd. increased the output value by 20 million yuan after using Qinchuan 6 worm wheel grinding machine.
In recent years, Qinchuan Machine Tool has been following the world's cutting-edge technology in the design and manufacturing process of gear grinding machine, forming "precision machining, precision assembly, precision inspection" based on "high-end technology, high-end market, high efficiency". The target product development and manufacturing structure make the Qinchuan brand gear grinding machine occupy the commanding height of the domestic market and have a strong influence in the international market.
Qinchuan research and development CNC worm wheel grinding machine
The three CNC worm wheel grinding machines developed by Qinchuan Machine Tool Group Co., Ltd. have passed the scientific and technological achievements and new product appraisal. Liang Xunyu, honorary chairman of the China Machine Tool Industry Association, said at the appraisal meeting that Qinchuan machine tools have won glory for the national industry and have longed the ambition of the Chinese machinery industry.