The 6th member representative conference of Jiangsu Mechanical Engineering Society published the best process plan for bearing overhaul, and it is easy to appear mixed in the on-site inspection of grade bearings, and put forward effective process control measures. Main eulogy: truck grade bearing; overhaul process; design NJ136 automobile leaf spring road test fracture reason analysis / Zhang Yuting (Yuejin Automobile Group Co., Ltd., Jiangsu South Spring, this time in Hainan Road test, about 22,000 km break, not The road test requirement of 25,000 km is reached. The sampling number on the broken spring is: the main 1 spring after the 1st, the main 2 spring after the 2nd, and the main 6 spring after the 3rd. According to the drawing 136Y2 -2912010 Spring assembly requirements, spring plate material is 60Si2Mn, hardness HB375 cylinder and head processing should be equipped with conditions analysis / Zhang Zhiting, Gu Caisheng, Wang Jian, Zhou Guang, Deng Jiande (Yixing Beihai Head Co., Ltd., Yixing, Jiangsu 214200) Analysis, indicating the advanced nature of the head standard. ASI bus structure working principle and maintenance method research / Xu Ping (FAW Wuxi Diesel Engine Factory, Jiangsu Wuxi principle and system characteristics, introduce some special maintenance methods. Research on TIG remelting process of welding frame for speeding car welding / Sun Zhouming, Zhang Lianhua, Chen Shanzhong. Li Xu (Institute of Locomotive and Rolling Stock Technology of Changshu, Changzhou 213011, China), confirmed the TIG remelting process and the surface grinding method of the weld, and welded the surface of the welded frame of the speeding car through the comparison of mechanical properties and fatigue strength. The treatment method was studied. The bending piece design of the stop piece / Tongling (Nanjing Hongguang Airborne Equipment Factory Tooling Department, Nanjing 210000, Jiangsu Province), the use of the structure and the punch processing method are introduced. Research on Cylinder Head Tube Bottom Hole Tool / Zhai Zhongqing, Meng Meifang (FAW Wuxi Diesel Engine Factory, Jiangsu No. 214026) With the advent of an aging society, the voice of installing elevators in elevator free residential buildings is getting higher and higher. This is the rigid demand of many elderly people, and the problem of going upstairs and downstairs is a life problem that these elderly people have to face many times every day. Adding elevators to old buildings can improve the travel conditions of the elderly living in buildings without elevators. Professional Adding Elevator manufacturer is located in China, including Install Elevator,Modern Elevator,Modern Residential Elevators, etc. Adding Elevator,Install Elevator,Modern Elevator,Modern Residential Elevators Suzhou Stable Trade Co., Ltd , https://www.stable-elevator.com