Roller shutter door , also known as "shutter door", lots of panel pieces connected together, fixed in the guide rail , take above reel as the center of rotation.
Roller shutter door is used for commercial facades, garages, shopping malls, hospitals, factories and mines and other public places or residential.Electric roller shutter door, especially for large openings, inconvenient to install the ground door , quick opening effect. Such as for the garage door, shopping mall fire shutter door.
Opening methods: Handing driving mode
Rope driving mode
Remote control driving mode
Electric switch driving mode
Roller Shutter Door,Galvanized Roller Shutter Door,Aluminum Roller Shutter Door,Transparent Roller Shutter Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.selfrepairinghighspeeddoor.com
Recently, the Japanese Defense Ministry decided that the main expenses of the next year's defense budget will be used for research on cutting-edge domestic fighter technology, and plans to develop an "advanced technology testing machine" capable of conducting test flights. It is expected that this test machine will be both invisible and highly sporty, and will be equipped with a domestic engine, the first flight time is set within 5 years.
The test machine developed this time will be the masterpiece of the technical research department since the beginning of the elemental research in 1995. The element research mainly includes the following four aspects: the "high-speed motion flight control system" that makes the body invisible and highly sporty; the "test engine" with a thrust of 5 tons; and the multi-function of the electronic interference device added to the phased array radar. RF sensor; a thin, flap-like radar called "smart skin" attached to the surface of the fuselage.
If the development of the testing machine is successful, the government will officially launch the development of the first batch of domestic fighters as the next-generation main model of the Air Self-Defense Force to replace the existing f-15 fighter. This is expected to lead to opposition from the United States trying to sell fighters to Japan. It is expected that the main models of the Air Self-Defense Force will mainly include the following three types: six models in the United States and Europe as the candidate for the f-4 fighter aircraft, and a semi-domestic aircraft type f-2 aircraft equipped with the engine developed in the United States. The national production model of the f-15 fighter.