Since December last year, the Shanghai Composite Index has been falling. This week, the index once again returned to the 1st era. However, the hot spots in the market have not been annihilated. LED is one of the more sustainable ones. In mid-December 2013, the news that the US stopped sell…
China's hardware bearing industry manufacturing technology and process equipment technology development is slow, the car…
According to the statistics of the China Association of Automobile Manufacturers, in September 2011, the sales volume of China's auto market was 1…
The "Energy Conservation and New Energy Automobile Industry Development Plan" proposes that the total number of energy-saving and new energy vehicles by 2015 should reach 500,000 vehicles. At that time, whether or not the government's goals can b…
In recent years, China's state-owned quality inspection agencies have undergone a series of reforms and have achieved gre…
China Water Conservancy 2003.9B The large-scale application of modern wind turbine technology began with the maturity and improvement of stall wind turbine technology. In the late 1970s, the three-blade, upwind, and fixed-pitch stall-regulated wind turbine models developed by Denmark emer…
Trouble phenomenon: The repairman reflected: “A 125 type scooter (GY6 engine), the engine is difficult to start in cold state, and the operation is not stable within a few minutes after starting work, but the engine is in good working condition and easy to start. Re…
When the electrician repairs or modifies the machine tool line, if the safety operation specifications are not observed, the machine tool may be damaged or even personal injury may occur. Therefore, when repairing or modifying a machine tool, the following safety practices must be observed.…
If you don't keep up with the pace of LED lighting, even the traditional lighting channels are likely to be eliminated. Now, the LED lighting wave has pushed the channel to the crossroads where choices must be made. Channel vendors face the confusion, worries and pressure to re-select …
Process analysis of the grooving arbor: (1) The double-station processing of the bearing end of the output end and the input end, the angle tolerance of the two axes is small, and the fixture adopts the double-station positioning mode on the machine tool. (2) The two axes must intersect at…