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Laser technology is becoming a "killer" for the development and production of high-end pump valves. Wenzhou valve industry upgrade is on the way to lasers, opening up a new blue ocean toward the high-end pump and valve market.
The Shineway Supermax Valve breaks the monopoly of a "special ball valve" and monopolizes a huge robotic arm. While spraying the coating material powder on the substrate that needs to be coated, it is irradiated with a high-energy-density laser beam to irradiate it. Melts with the surface of the substrate and rapidly solidifies. When the laser beam ceases to irradiate, the surface of the substrate forms a metallurgically bonded surface coating, which is laser cladding.
Yesterday, the reporter saw this light-emitting heating cladding scene at the Laser Application Engineering Demonstration Center in Ruian City. In just a few seconds, a thin layer of coating has been firmly applied to the substrate being processed, with a smooth surface and a uniform thickness.
"It is with this new cladding technology that allows us to have more technical protection for the development of special wear-resistant ball valves." In the 2014 Wenzhou Science and Technology Progress Award, the first-class list, Chaoda Valve The high-parameter special wear-resistant ball valve project of the Group Co., Ltd. (hereinafter referred to as Ultramax Valves) is on the list, and the product technology is considered to have reached the international advanced level. As one of the main contributors to the project, Qia Xiaolai, chief engineer of Chaoda Valve, believes that laser cladding technology plays a key role in the development of products.
“The past high-parametric special wear-resistant series ball valves were imported, not only expensive, but also wait for a long time, and our high-parameter special ball valves developed by the company were recognized by the high-end market and became imported special products after they were introduced to the market. Ball valve (valve) alternative products, breaking the domestic "special ball valve" import monopoly situation." Qiu Xiaolai introduced, since the development of high-parameter special ball valve, Chaoda Valve has invested more than 10 million, to solve a large number of technical problems, and laser The application of cladding technology can achieve effects such as small influence on the substrate, small deformation of the workpiece, improvement of the hardness of the cladding material, abrasion resistance, corrosion resistance, and the like, and high density and the like, and the ball wear resistant coating is solved. The problems of easy wear, loss, and short service life ensure the quality of the product.
At present, the high-parameter special wear-resistant ball valves developed by Chaoda Valve have been widely used in the harsh conditions of nearly 200 major industrial projects at home and abroad in the fields of coal chemical industry, coal oil, polysilicon, organic silicon, petroleum, chemical industry, electric power, and military industry. The vast majority of projects are national major engineering projects, among which Texaco (GE) gasification plants, the world's highest pressure, the largest gasification unit of synthetic ammonia in the world, the largest coal-to-liquid project in the world, and the largest in the world The methanol-to-olefins project as well as the country's major military projects are also widely used.
"It's output value has accounted for one-fourth of the company's annual production value, and it has become our star-made product." Qiu Xiao said that since 2010, the output value of the high-parameter special ball valve of Chaoda Valve has accumulated over 400 million yuan. More than 900 million US dollars of foreign exchange.
Guangzhiomeo develops special laser equipment for pump valves and explores the new high-end pump and valve market. Like the Chaoda Valve, the leading enterprises of pump and valve in our city have specialized in laser application technology, utilizing the unique advantages of laser technology to improve product quality and enhance products. Added value, open up high-end pump valve market such as special pump. The public innovative service platform similar to the Ruian City Laser Application Engineering Demonstration Center provides a practical stage for the technological creativity of these companies.
The Ruiyang City Laser Application Engineering Demonstration Center officially registered in March this year is a wholly-owned subsidiary of Ruian City Boye Laser Application Technology Co., Ltd. It is engaged in laser manufacturing and remanufacturing, laser fine processing, laser product inspection, and laser application process R&D. And related technical consulting services.
“Even if the same laser technology is applied, the processing technology for each workpiece is not the same. It requires the targeted development of the processing technology of different workpieces. After numerous experiments and testing of samples, it can be concluded. The most suitable processing technology, and we will help companies develop a complete set of laser technology application programs.†Wu Xuhao, chief engineer of Ruian City Boye Laser Application Technology Co., Ltd., now looks forward to working in the Laser Application Engineering Demonstration Center. Different laser surface treatment processes, like a closed-door, started a "learning." When the reporter went, his "laboratory" was shining with electric light and flint, and laser cladding was applied to the valve body sealing surface of a valve company in Ruian.
"Pump valve products in the process of use, long-term in the media and by the media erosion and corrosion, high hardness, wear resistance, corrosion resistance is an essential feature of the product, and after the laser cladding technology, can achieve The effect is often superior to the traditional process.†Wu Xuhao explained that the traditional surfacing and laser cladding comparison, smoother process, higher product performance, laser technology applications can make pump valve products easy to achieve high added value, The development direction of special valves is to advance and improve the competitiveness of products.
At present, the Laser Application Engineering Demonstration Center has researched the laser application process for more than 20 companies and tested the samples for them. The three valve companies in the city including the Southern Investment Group have reached a long-term agreement with the center. Cooperation relationship, the product will be handed over to them for processing and production.
“Three types of valve: gate valve, globe valve, and check valve. We have some products that cooperate with the Laser Application Demonstration Center to perform surface treatment on the sealing surface. Now the product has a very good detection effect, and it waits for customers to use the results.†Wei Yubin, general manager of the China Southern Investment Group and chief engineer of the valve, said that after one year of process research, laser application technology has been put into production in small quantities at the beginning of this year, but for relatively mature processes, he is even more eager for more professional laser equipment and marketization. Coating material supply. “We need a relatively single laser technology, and cladding technology is sufficient. However, existing laser equipment basically has multiple functions, high prices, large floor space, and relatively high failure rate, so we can only use a small amount of laser technology. The product is commissioned by a third party for processing.â€
Zhang Dawei, a professor from Wenzhou University who has participated in many research and development projects in laser technology application, said that the research and development of laser technology applied in several projects he has participated in have been relatively mature. In the next step, they plan to communicate and cooperate with domestic laser equipment manufacturers, design and manufacture lasers dedicated to the pump and valve industry, and make it possible for laser technology to be used for mass production of products. “With such equipment, we can thoroughly transform and upgrade the company's existing surface treatment processes, and control the quality of products more accurately, thereby producing more high-end products and enhancing the competitiveness of the industry.â€
The Nuggets' high-end pump and valve market is inseparable from the sound of laser light. The valve and valve industry of the president of Wenzhou Pump & Valve Engineering Research Institute of Lanzhou University of Technology is one of the five pillar industries in the city's key development and occupies more than 1/3 of the national market share. At present, there are nearly 2,000 enterprises in the city. Last year, the total industrial output value reached 31 billion yuan. By 2016, the sales value is expected to exceed 50 billion yuan. However, after decades of development, the Wenzhou valve industry has witnessed severe homogenization of low-level competition, relatively low-end general-purpose products, and the development bottleneck of the high-end pump and valve market, which has prompted more and more of the likes of Chaoda Valves. The same pump valve companies have increased investment in scientific and technological innovation, and marched toward high-end valve products such as ultra-zero-zone, high-low temperature, nuclear power, and coal chemical industry.
In March of this year, the city issued a guideline for the implementation of the “May 1st Industry Development and Improvement Projectâ€. The valve and valve industry will focus on the development of high-end pump valves that are resistant to high temperatures, high pressures, and corrosion, and will strive to build the nation’s largest intelligent system process. Equipped with innovative design and manufacturing bases, it is an effective way to use laser technology to improve and improve the performance of wear-resistant, corrosion-resistant, and high-temperature resistance of pump valves and prolong the service life of valves. Foreign high-end pump and valve manufacturers generally use laser technology. Ultra-valve valves, South valves, modern pumps and other leading enterprises in Wenzhou pump are also enjoying the economic and social benefits brought by the use of laser technology.
The Wenzhou valve and valve industry must achieve the goal of upgrading from the traditional block-like economic agglomeration area to the modern industrial cluster. With high-end quality and innovative strength, it won the approval of the high-end pump and valve market, and it is inseparable from the laser technology.
How to use laser technology to improve the manufacture of pump valves for horizontal light The morning of 2014, Wenzhou Laser Technology Innovation Conference was held in the International Exchange Hall on the second floor of the City Science and Technology Museum to hold a special event in the pump industry for laser processing application technology promotion. Invited to the laser manufacturing technology field The experts made a special report, pointing to how the Wenzhou pump valve industry leveraged laser technology to achieve product upgrading and industrial upgrading. This special event was organized by the Municipal Science and Technology Bureau and the Wenzhou Pump & Valve Engineering Research Institute of Lanzhou University of Technology. Invited experts separately make thematic reports as follows.
Report Topic: Research on Key Technologies and Equipment for Manufacturing Laser Arc Cladding Pump Valves Speaker: Dr. Shi Yan (Professor, Ph.D., concurrently member of the Robotics and Automation Committee of the Welding Society of the Mechanical Engineering Society)
Summary of content: By comparing the advantages and disadvantages of the laser and the arc cladding layer and the plasma cladding layer of the blade laser, it is concluded that the laser cladding layer and the arc cladding layer have higher hardness than the plasma cladding layer, no cracks and pores, and interface bonding. Better conclusions.
Report 2 Topic: Application of laser surface treatment materials and processes in the pump and valve industry Speaker: Wuxu Wu (Chief Engineer, Ruian City Boye Laser Application Technology Co., Ltd., Director of Laser Application Engineering Model Center, Ruian City)
Summary of contents: Introduce the construction of laser application engineering demonstration center in Rui'an City, focusing on the application of surface treatment in the pump and valve industry. Introduce the laser quenching and laser cladding materials and processes of typical pump valve materials, enumerate and analyze the laser surface technology in the pump valve Typical case of industrial application.
Pump valve industry upgrade grip laser "goldsmithing"
Ball valves, gate valves, pump blades, sealing surfaces... Super-valve, South valves, etc. A group of leading valve manufacturers in our city have used laser technology to surface-enhance the key parts and parts of the pump valves and mastered the traditional pump valve products. Upgraded to laser “goldsmithing†for high-end pump and valve products, and thus stood out among more than 7,000 pump and valve manufacturing companies across the country.