On May 30, 2019, the national standard GB/T 3480.5 (IDT ISO 6336-5:2016) “Sleeve and helical gear load capacity calculation Part 5: Material strength and quality” project working group set up meeting in Zhengzhou Machinery Research The company was held. The GB/T 3480.5 standard working group is currently owned by Zhengzhou Machinery Research Institute Co., Ltd. (hereinafter referred to as Zhengji Institute), Zhejiang Shuanghuan Gear Group Co., Ltd. (hereinafter referred to as Zhejiang Shuanghuan), and Nanjing Gaojing Transmission Equipment Manufacturing Group Co., Ltd. (hereinafter referred to as South Gaoyao), Chongqing Gearbox Co., Ltd. (hereinafter referred to as heavy tooth), Zhengzhou Rail Transportation Equipment Technology Co., Ltd. (hereinafter referred to as Zhengzhou Track Equipment), Dalian Innovation Gearbox Manufacturing Co., Ltd. (hereinafter referred to as Dalian Innovation), Zhejiang Zhongchai Machinery Co., Ltd. The company (hereinafter referred to as Zhejiang Zhongchai) and other 7 units.

At the inaugural meeting of the project team in the morning, Guan Hongjie, deputy secretary-general of the National Gear Standardization Technical Committee (TC52), first introduced the leaders of the meeting and the project team, and announced the establishment of the working group; Zheng Wei, the deputy general manager of Wang Wei, The arrival of the delegation expressed a warm welcome; Wang Zhigang, Secretary General of TC52, on behalf of the Standards Committee, hired Wang Wei, Deputy General Manager of Zhengji, Wu Changhong, Chairman of Zhejiang Shuanghuan (represented by Dong Meizhu, Chairman of the Board of Supervisors), Wang Zhengbing, Vice President of Nangao, and Tang Yuefei, Deputy Director of Heavy Tooth Four experts are the “Standard Working Group Technical Consultant”; Mr. Chen Guomin, a well-known domestic material and heat treatment expert and former chief engineer of Zhengji Institute, gave a detailed explanation of the GB/T 3480.5 standard content, work plan and project supporting documents; Experts from various units have divided the tasks in the standard revision and expressed their opinions on the standard text.

Wu Luji, deputy general manager of Zhengji Institute, Niu Wanbin, chief of Zhejiang Shuanghuan, Zhu Baizhi, technical director of Nangao, and Chen He, Gao Gong, chief engineer of the heavy tooth, Hu Zhaonan, deputy chief designer Liu Bo, deputy general manager Li Baokui and deputy general manager Minister Li Jiqiang, Dalian Deputy General Manager Lin Taijun, Zhejiang Zhongchai Deputy Chief Engineer Zhao Jianhua, TC52 Secretary Army and Fan Ruili attended the meeting.