After Guangzhou, Wuhan and other places, Shenzhen will also research and launch "about car rental" services to meet the public's high-end public travel needs.
I…
Electromagnetic flowmeter selection what issues? Here we briefly introduce.
1. Accuracy grades The accuracy class and the maximum allowable error of the flowmeter within the specified flow range should meet the requirements of Table 1. Flowmeter error indicates the use of relative indi…
Overview of the development of the Japanese machine tool manufacturing industry and the first Japan Machine Tool Fair Wu Liang Metallurgical Machinery Factory Li Liangfu held the 19th Japan Metal Cutting Machine Tool Expo (19JITOF) in Osaka City at the end of 1998, demonstrating the achiev…
Shijiazhuang, China New Network, May 28th, Hebei Provincial Public Security Bureau Traffic Management Bureau reported on the 28th, in the first quarter of 2015, the province's motor vehicle ownership increased by 420,000, an average of 4,698 vehicles per day. From the statistical…
Aiming at the heat transfer problem of diesel engine, the research status of low-heat engine at home and abroad in recent years is reviewed and analyzed from the aspects of heat transfer process and external cooling measures in the combustion chamber parts. The results show that the diese…
The magnetostrictive level gauge consists of three parts: a probe, a circuit unit and a float. With HART protocol, zero and span can be adjusted remotely. It can also adjust various parameters through the three keys in the chassis and the LCD. The configurable parameters include unit, displ…
Research on Calculation Method of Compressed Air Consumption of Pneumatic Welding Fixture Wang Shaojie Machinery Industry Tianjin Design and Research Institute, Tianjin 300190.
1 Discussion on the necessity of the compressed air consumption of pneumatic welding fixtures Welding fi…