After the last 100 meters of optical fiber will be a fool

Industry insiders predict that in 2012, China will invest 370 billion yuan in investment in the basic telecommunications industry, and through the implementation of the 'broadband China' strategy, information services will benefit all citizens. As the cornerstone of broadband China's strategy, fiber-to-the-home access will also usher in explosive growth. Fiber optic field connectors based on 3M fiber V-groove technology have made fiber optics as convenient as copper cables. The reporter saw in the game that the main solution was to install the 'last 100 meters' field connector in the fiber-to-the-home system. A master can only use the average tool to complete the cold connection in an average of only 3 minutes. It is reported that two people had to weld in the user's home at the scene, and it took more than two hours to work. Yu Junxiong, president of 3M Greater China, said that in the second half of the year, more 'fool' connectors will be introduced. 'The ultimate goal is to allow consumers to connect to the Internet at home when the fiber is laid.'
China's broadband network speed is not slower than the United States, accounting for about 10% of national broadband users
The speed of broadband is in full swing, but many netizens questioned: The speed of broadband in China is slower than that of foreign countries and the cost is still high? For this, the 3M executives who have been involved in communication products for many years invariably believe that this is not the case. 'I return to the United States every year. In contrast, I feel that the speed of U.S. networks is slower every year year by year', said Ding Wei, vice president of Electronics, Power and Communications at 3M Greater China, because his home in China is already fiber to Households have a speed of 20M, which is higher than the average level in the United States. 'I think that after the popularity of smartphones, there are more Internet traffic and everyone has higher requirements for broadband'.
Yu Junxiong, president of 3M Greater China, also believes that broadband users are increasing and demand is growing. Previously, it was possible to use the ADSL to access the Internet. Now it is necessary to use broadband to play online games. There is no limit to the speed. Japan and South Korea have faster broadband networks and users can even play online games with people in other countries at night. However, there is a process of broadband speeding. If we look at China’s broadband, “fibre to the home has already accounted for about 10% of broadband users in the country,” especially for big cities, and the optical fiber is still deep into the second and third tier cities, from large and medium-sized cities. Dive into small and medium-sized cities.

G Shaped Finned Tube

The inlaid spiral finned tube is to pre-process the spiral groove of a certain width and depth on the steel pipe, and then inlay the steel strip on the steel pipe on the lathe. During the winding process, due to a certain pre-tightening force, the finned tube steel strip will be tightly clamped in the spiral groove, thus ensuring a certain contact area between the steel strip and the steel tube. In order to prevent the steel strip from springing back and falling off, both ends of the steel strip should be welded to the steel pipe.

In order to facilitate inlaying, there should be a certain side clearance between the steel strip and the spiral groove. If the side clearance is too small and interference is formed, it will be difficult for the mosaic process to proceed smoothly. In addition, the wound steel strip always has a certain springback, as a result, the steel strip and the bottom surface of the spiral groove cannot be well joined. Inlaid fins can be carried out on general-purpose equipment, and the cost is not high, but the process is complicated and the production efficiency is low.

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