Recently, the China Machinery Industry Federation (hereinafter referred to as “CIMCâ€) published data on the import and export of China's machine tool industry from January to June 2011. In the first half of the year, the general trade of the ma.......
GKzhan Abstract: Electromagnetic voltage transformers for UHV AC gas-insulated fully-sealed electrical combination (GIS) developed by Nisshin (Wuxi) Electromechanical Co., Ltd. passed all type tests in Wuhan. Two weeks earlier, the 1000kV capacitive voltage tr.......
The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China announced on the 23rd the results of the national supervision and spot checks of the 26 categories of product quality in 2011, of which the sampl.......
The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China announced on the 24th the recent results of spot checks on the quality of 200 liquid milk products. Spot checks found that Mengniu and Changfu Pu.......
The author uses the computer's multimedia sound card to replace the expensive commercial data acquisition card, which ensures the development and real-time of the gear noise signal acquisition, greatly reduces the development cost, and develops a set of spectrum analysis based on LabVI.......
As of December 19, the China Affiliated Chemical Industry Research Institute Shanghai Fakai Chemical Company, which uses its proprietary intellectual property technology, APG 10,000-ton industrial equipment, has been operating stably for 84 days, accumulatively achieving a sales income of more .......
1 coefficient selection
11 1 peak speed
11 2 safety factor
The safety factor K 1 ranges from 11 1 11 2. When K 1 = 11 1 , the air volume base is 1, and when K 1 = 11 2 , the total air volume is increased by 9%.
11 3 Pneumatic system leakage coefficient
On December 12, 2011, the Continental Group’s Wuhu plant continued its growth strategy and invested 10 million yuan to expand a new plant. As one of the 18 manufacturing plants of Continental Group in China, Continental Automotive (Wuhu) Co., Ltd. has increase.......
With the rapid development of the mobile broadband industry, the wireless R&D process has also accelerated its pace, especially for the development of 3.5G wireless devices. However, during the development process, engineers are also faced with numerous ch.......
To ensure the reliability of the asphalt gear pump, it should be ensured that the power supply voltage is within the range of 15%-10% of the rated voltage, and it can work normally. And ensure that the valve body arrow should be installed with the same directi.......
At present, the global fasteners are mainly used in the automotive industry, electronic industry and construction and maintenance industries. In 2007, China exported a total of 2.57 million tons of fasteners, which accounted for 48.95% of the current year'.......