Fenghe Technology: A New Additive Technology Thousands of Times Faster than 3D Printing
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With precision spray forming technology, Fenghe Technology has successfully developed dozens of high-performance alloys with an annual production capacity of 10000 tons. Photographed by Liu MingEntering Foshan Fenghe Precision Spray Forming Technology Co

With precision spray forming technology, Fenghe Technology has successfully developed dozens of high-performance alloys with an annual production capacity of 10000 tons. Photographed by Liu Ming
Entering Foshan Fenghe Precision Spray Forming Technology Co., Ltd. (hereinafter referred to as "Fenghe Technology"), the booth is filled with high-performance metal alloy samples of different sizes and materials. These samples may seem inconspicuous, but they contain a world-shaking "hard technology" - precision spray forming technology.
Precision spray forming technology, abbreviated as PSF. This is one of the cutting-edge advanced metallurgical technologies in the world, capable of manufacturing various high-performance metal alloy materials while also possessing certain forming capabilities. Like 3D printing technology, PSF belongs to additive manufacturing technology, but its production efficiency is thousands of times faster than 3D printing. After pressure processing and heat treatment, the performance and quality of the material can replace powder metallurgy products of the same composition.
With the help of precision spray forming technology, Yang Yunfeng, Chairman of Fenghe Technology, has won the first prize in China's automotive industry science and technology, which is known as the "Nobel Prize in the domestic automotive industry". In 2014, he settled in Foshan High tech Zone with this technology and founded Fenghe Technology, achieving industrial mass production in just a few years.
Author: Liu Ming
Four core competencies of precision injection technology
In the factory of Fenghe Technology, metal is melted into a liquid state at high temperature under the protection of inert gas, and sprayed onto a specially designed mold at a speed of about 300 meters per second. It is solidified and deposited at ultra-high speed to prepare high alloy material ingots with fine and uniform microstructure.
It is a brand new metal forming method, "Yang Yunfeng said. For a long time, powder metallurgy has been the mainstream advanced metallurgical technology used by developed countries to manufacture high-performance fine-grained alloys. However, in the past decade, there is still a gap between China's self-developed materials manufactured using powder metallurgy process equipment and those of developed countries.
Compared to powder metallurgy, precision spray forming technology has many highlights:
In the words of Yang Yunfeng, precision spray forming technology is the only high-efficiency additive manufacturing technology in the world that can simultaneously improve the lifespan, production cycle, and cost-effectiveness of metal products.
More importantly, this technology has a more "hardcore" competitiveness, which is to achieve large-scale industrial production. Fenghe Technology currently has an annual production capacity of 10000 tons of various high-performance alloys.
Yang Yunfeng picked up a sample of pipe material used in ocean engineering, and the color difference between the inner and outer layers of the material was clearly visible. After being coated with precision spraying technology, the inner wall of this pipe is made of wear-resistant and corrosion-resistant stainless steel, and the outer layer is made of high-strength steel that is resistant to bending and compression. The two materials achieve metallurgical bonding, and there is no need to worry about cracking or peeling of the two materials in subsequent processing such as forging, rolling, and heat treatment
Nowadays, in addition to ocean engineering, aluminum alloys, aluminum based composites, high-temperature alloys, high-performance tooling tools, wear-resistant steel, and other materials used in aerospace weapons, Fenghe Technology is active.
Overcoming Difficulties and Realizing Technological Upgrade
We do things that have never been done before and are relatively difficult, even if we only develop a small amount of things, it represents progress. "Recalling the development process of precision spray forming technology, Yang Yunfeng sighed a lot.
As a doctoral student at Tsinghua University, Yang Yunfeng coincidentally conducted research on spray forming technology at the National Technical Research Center in Finland around 1998. At that time, European and American countries had been studying the "precision" of this technology for more than 30 years, but it never met the industrial requirements in terms of material density, near net shape, and dimensional accuracy.
At the beginning, Yang Yunfeng encountered a "roadblock" - there was no high-temperature ceramic on the market that could withstand huge impacts. So he decided to develop this type of ceramic himself. As an outsider, he spent a year self-learning ceramic technology, experimenting with over 50 formulas and discarding thousands of ceramic samples, successfully making high-precision ceramic molds that are resistant to high temperatures and impacts.
After more than 20 years of dedicated research and development, Yang Yunfeng has improved the spray forming technology, forming a precision, industrial and even brand new smelting process - precision spray forming technology. This technology has also earned Yang Yunfeng the highest technical title of "Chief Scientist" at the Finnish National Technical Research Center.
In 2014, Yang Yunfeng bought out his invention of precision spray forming technology and brought it back to China, landing in the Foshan High tech Zone to carry out research and promotion of industrial applications. He founded Fenghe Technology in December of that year.
In the following two years, Fenghe Technology was "unstoppable" and successively won the double innovation awards from Foshan High tech Zone, Foshan City, and Guangdong Province; In 2017, a demonstration center for the industrialization of precision spray forming technology was established; Nowadays, Fenghe Technology has successfully developed dozens of high-performance alloys with an annual production capacity of 10000 tons.
Preparation for the construction of a high-end metal manufacturing highland radiating into the Greater Bay Area
The preliminary trial production of precision spray forming technology has shown Yang Yunfeng infinite possibilities.
We started trial production and application research and development in 2018, and our revenue reached 20 million yuan in 2019. "Yang Yunfeng said that in recent years, we have felt the rapid growth of domestic demand for high-performance metal materials, and Fenghe Technology has had the opportunity to transform from technical services to high-end metal material manufacturers." The revenue of material sales has doubled this year.
He believes that the application of this technology in the mold industry can bring a market size of no less than 30 billion US dollars per year. In recent years, the demand for research and application in aviation, aerospace, military industry, and other high-end application fields has also significantly increased, and the future prospects in these high-end application fields are unlimited.
In order to achieve the industrialization of scientific research achievements in a broader field, Fenghe Technology is increasing capital and expanding production.
Yang Yunfeng revealed that as a major manufacturing city, Foshan is located in the hinterland of a strong industrial province, with the economic vitality and policy support of the Guangdong Hong Kong Macao Greater Bay Area. It also has complete manufacturing facilities, but does not have advantages in the field of high-end metal materials.
Currently, Fenghe Technology is actively contacting relevant industry associations and key enterprises in Foshan to jointly build a metal material industry highland belonging to Foshan and the radiating Greater Bay Area. Yang Yunfeng's vision is that in the future, the world's most core and high-end materials can all come from Fenghe Technology.
To achieve this goal, Yang Yunfeng has outlined a development blueprint for the enterprise: firstly, it mainly focuses on replacing the domestic market and promoting the upgrading of the domestic metal manufacturing industry. After the domestic high-end metal materials form a stable and high-quality industrial chain and have a certain scale, it is expected to compete with developed countries for exports in the future.
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