The white ice caps and the blue sky complement each other, and the colourful containers and snowmobiles are getting smaller as the line of sight rises. On May 25th, in Xiangtan High-tech Zone, Liang Jianhong, an associate professor at Beihang Machinery College, showed us the beautiful picture he took back from Antarctica with drones.
What's amazing is that this drone was made with 3D printing technology . Hunan High-tech Small and Micro Enterprise, a high-tech small and micro enterprise, participated in this “big up†project.
UAV collects data for Antarctic ice airport construction
From November 18, 2014 to March 27, 2015, Liang Jianhong followed the 31st Antarctic expedition team in China. In his bag, he carried six drones. Together with Liang Jianhong, they participated in the total voyage of nearly 30,000 nautical miles. They mainly photographed the terrain of the Antarctic ice sheet, collected a large amount of aerial data and pictures, and provided first-hand accurate information for the establishment of the ice airport in China's Antarctic expedition team. After the completion of the airport, China's polar field scientific investigation, personnel and material transportation, and polar emergency response capabilities will be greatly enhanced, and conditions will be created for joining the international Antarctic aviation network.
Among the equipment that Liang Jianhong brought, the most special one is the 3D printing drone.
“We spent a month designing this drone, using 3D printing technology, and it took only 15 days to manufacture.†Liang Jianhong told us that its arm can be folded and the volume is 15×15×45 cm, which is equivalent to the traditional machine. 1/3 of the type. Through multiple test flights in the Antarctic, they proved that the structure of the drone is satisfactory under the low temperature conditions of -15 ° C to -20 ° C.
Liang Jianhong specifically mentioned that in general, after the folding of the rigid beam, there will be problems in the control. However, the collapsible spiral wing drone, with a speed of 30-40 km / h, proved the structure and strength of the test flight.
Excellent performance is expected to be mass produced
In the past, 3D printing technology was used in traditional industries, and the field of drones was less involved. Traditional drones are made of carbon fiber, making a set of molds expensive and slow. The use of 3D printing technology has overcome this problem.
“A set of carbon fiber molds is made in three months, and the cost is about 20 times that of 3D printing, and it cannot be modified.†Liang Jianhong praised the advanced nature of 3D printing technology. According to him, the application of 3D printing technology to the whole machine design, and the drone in the field test in the Antarctic should be the first in China.
This time, Liang Jianhong deliberately visited Zhang Bo, the general manager of Hunan Mengjing Intelligent 3D Technology Co., Ltd., sharing the experience of drone flight test, and discussed the next step of cooperation and process flow, which is expected to be mass-produced.
Zhang Bo has been in contact with 3D printing technology for 6 years and has been working with Beihang for 4 years. In this Antarctic expedition, the company used powder processing 3D printing technology to produce some new UAV parts for Beihang University and the Institute of Mechanical Engineering of the Chinese Academy of Sciences. After a large number of basic and supporting processes, the drone was formed.
"What you can think of can be printed as long as it is converted into a data file. High-end such as robots, drones, and other consumer products such as mobile phone cases can be applied." Zhang Bo said that the use of Internet + 3D printing technology will Become the technical support for the future support industry.
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