A motor design basis Motors are generally designed based on the following technical requirements: The type or purpose of the motor. The motor generator special purpose motor. The electrical system connected to it requires a motor current frequency, frequency, etc. The electrical machinery syst---
[ Chinese instrument network depth ] The measurement is not far from our life. In the family, the water meters and meters used by us are all measuring instruments. In the past, as the drawbacks of the mechanical water meters became increasingly apparent, the nation’s wave of replacement of ---
Yesterday, Jufei Optoelectronics, Weiwei, Ruifeng Optoelectronics, Hongli Zhihui, Guanghao, Sanxiong Aurora, Lianjian Optoelectronics, Zhouming Technology, Lehman Technology, Infineon and other 10 LED listed companies disclosed 2018 The first quarter results forecast, in which the four companies suc---
As we all know, SANY micro-digging has always been synonymous with small-scale entrepreneurship. Farms, orchards, municipalities, demolition, reconstruction, and dexterous and efficient excavators basically include various types of construction projects on the market, and many achievements in creat---
After the recall of 9.87 million vehicles equipped with Takata "problem" airbags in the Chinese market in 2017, this number continues to expand in 2018. In January 2018, it has not finished yet. The AQSIQ Defective Product Management Center has issued four recall notices about Takada Air---
Say goodbye to the few auto growth markets in 2017. In the first month after the holidays, auto production and sales data were disclosed and the performance results were not optimistic. On March 9, China Automobile Association held a press conference to announce the production and sales of China&---
China's largest mechanical single-roller roller-National Machinery Luojian GYS30 road roller, independently developed by China's first roller compactor, "the cradle of China's compaction machinery" - Guoji Luojian. It is a masterpiece created in 2017. Whether it is from techno---