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has many control function , Flexible and practical functions, Main parts of the motor are imported from Germany.
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3D printer technology
The first manufacturing innovation center established in the United States was the National 3D Printer Manufacturing Innovation Institute established in August 2012. The Innovation Center is jointly funded by the Ministry of National Defense, the Ministry of Energy, the Ministry of Commerce, the National Science and Technology Foundation, the National Aeronautics and Space Administration, and other enterprises and schools in Ohio and Pennsylvania.
3D printing technology, also known as additive manufacturing technology, uses a bondable material such as powdered metal or plastic (including thermoplastics and photosensitive resins) to construct objects by layer-by-layer printing. 3D printing has been used in industry for decades, not a newly discovered technology, but it has indeed started to fire in the past few years. In the past few years, 3D printing has even been sizzled into the "third industrial revolution", causing a lot of controversy. It is undeniable that 3D printing results are also endless.
Whether it is questioning or not, 3D printing will inevitably play an important and special role in the future manufacturing industry.
Lightweight and modern metal manufacturing
In February 2014, the US Department of Defense led the formation of the Institute for Lightweight and Modern Metal Manufacturing Innovation in Detroit. The institute has a total of 36 companies including 12 world-renowned aluminum alloys, titanium alloys, high-strength steel manufacturers and material suppliers, 12 universities and laboratories, and 18 organizations to participate in the construction, with a capital investment of 70 million US dollars. The Lightweight and Modern Metals Manufacturing Innovation Institute will focus on promoting the manufacture of lightweight alloys for use in wind turbines, aircraft frames, medical equipment, armed vehicles, and more.
After discussion of many articles in the material human network industry, we must be familiar with lightweight or light alloys. For vehicles and mechanical preparation, lightweight metals can improve performance, enhance safety, improve fuel efficiency, and more. For example, the wide range of aluminum alloys, the Ford 2015 F-150 pickups, is 700 pounds lighter than the 2014 model.
Of course, there are still some technical barriers to light alloys, such as high prices, high energy consumption, and limited application. The centerpiece of the institute aims to bring a new generation of lightweight metals and alloys to market by addressing technical barriers to manufacturing.
Next generation power electronics manufacturing
In January 2014, the US government announced that it was led by North Carolina State University, a total of five universities, two US national laboratories, and 18 companies to form the "Next Generation Power Electronics Manufacturing Innovation Institute. The Institute received the US Department of Energy. And the industry's $70 million in funding. The mission of the institute is to promote the development, design, and manufacture of next-generation semiconductor chips and devices. Specifically, in the next five years, the institute will promote nitriding. Gallium and silicon carbide-based wide-bandgap semiconductor power electronics, reducing their cost to replace the widely used silicon-based semiconductors.
In general, a semiconductor material having a band gap of about 2.0 ev at room temperature is called a wide band gap semiconductor such as gallium nitride, silicon carbide, or zinc oxide. Wide-bandgap semiconductors have many advantages. They can operate at higher temperatures (such as silicon carbide operating temperatures up to 600 degrees), higher voltages, and more extreme environments, greatly improving the energy efficiency and reliability of power electronics. potential. At present, the more mature applications of wide bandgap semiconductors are in LED lighting.
However, wide-bandgap semiconductors are difficult to grow into bulk materials, and other materials are required as substrates. For example, an LED semiconductor chip is substantially epitaxially grown with sapphire or a silicon carbide substrate. However, there are also many problems in this preparation process, such as mismatching of the substrate material with the thermal expansion coefficient of the semiconductor, defects caused by epitaxial production, difficulty in processing and etching, and the like.
Advanced composite manufacturing
In February 2014, the Obama administration announced the formation of an advanced composites manufacturing institute in South Carolina, which will invest $70 million in the Institute by agencies such as the US Energy Agency over a five-year period. The Institute will focus on lower-cost and more efficient manufacturing of carbon fiber and fiberglass composites to meet the energy needs of pure-powered vehicles and hybrid vehicles, wind turbines, and natural gas storage tanks.
There are many kinds of advanced composite materials, among which the most widely used and mature fiber reinforced composite materials represented by carbon fiber and glass fiber. Fiber reinforced plastic is a composite material made of carbon fiber or glass fiber as a reinforcing material and polymer as a matrix. Its biggest feature is probably high strength and light weight. Fiber-reinforced plastics can be used to produce lighter cars with better fuel efficiency, lighter and stronger wind turbine blades and other lighter, more energy-efficient industrial equipment.
For example, advanced composites can reduce the weight of passenger cars by about 50%, thereby increasing fuel efficiency by about 35% without compromising the performance and safety of the car. If calculated according to current oil prices, cars that pass the entire life cycle can save about $5,000 in fuel. In the wind energy industry, the use of advanced composite materials, the turbine blades can be made longer, lighter and stronger, and can capture more wind energy.
However, fiber reinforced plastics currently have high cost, and the manufacturing process requires a large amount of energy, which is difficult to recycle, and restricts its wide application. According to the established plan of the Energy Bureau, the Advanced Composites Manufacturing Institute will reduce the production cost of fiber reinforced plastics by 50% in 10 years, the energy consumption in the production process will decrease by 75%, and the recycling rate will reach 95%.
In addition, the remaining innovation center is the Digital Manufacturing and Design Innovation Center, headquartered in Chicago, led by UI Labs, and consisting of 73 companies, universities, non-profit organizations, and laboratories.
From the above introduction, we can see that the five manufacturing innovation institutes that have been announced so far are closely related to the materials (except for 3D printing, and the other three can be said to be the New Materials Innovation Institute). Material innovation has been placed in an extremely important position.
In addition, the materials that the Innovation Center focuses on are also quite pragmatic. Light alloys, composites and semiconductor materials have been more mature in industrial production, but there are still technical problems that hinder their wider application. In these areas, it may be more effective than some of the cutting-edge new materials.
From the manufacturing innovation center, the United States focuses on innovations in new materials.
Abstract No one would deny the importance of manufacturing to a country. Nor should anyone deny the importance of innovation for manufacturing, but not many countries really regard manufacturing as the foundation. Even in the United States, the current manufacturing industry is experiencing "decadence & l...
No one would deny the importance of manufacturing for a country, and no one would deny the importance of innovation for manufacturing, but not many countries really view manufacturing as a foundation. Even in the United States, the current manufacturing industry is experiencing "decadence." In order to revive "revitalize manufacturing," the Obama administration gradually opened up the manufacturing innovation network plan. This innovative program aims to promote the cooperation between universities, enterprises and governments, narrow the gap between research and business, promote the development of new technologies, production processes, products and educational projects, and revitalize the US manufacturing industry. The combination of production, learning and research in our country is very similar?). To this end, the United States plans to build 15 manufacturing innovation research institutes, and currently has completed five. Among them, what are the materials involved? What materials are they focused on? Take a look!