Welding technology's role in earthquake relief

First to the "5.12" earthquake victims of fellow citizens expressed deep condolences! Relief to the fighting in the first line of the majority of the PLA officers and soldiers, police officers, the majority of the cadres and the masses of volunteers and disaster paid tribute!

    Since the "5.12" earthquake happened all the time since my interest relief in the process of looking at a scene depicting shocking that a rate touching the lens, I feel very excited.

    Both rushed to the disaster, Premier Wen directing disaster relief, or command to mobilize the PLA and armed police hit the branches of the military advance of General Secretary Hu Jintao. Whether fighting in the first line of the PLA and rescue, armed police officers and soldiers, volunteers and the disaster area or the majority of cadres and the masses. They kind of afraid of difficulties and heroic fighting spirit of all that I moved.

    32 years ago, as a People's Liberation Army soldiers, who have personally experienced the Tangshan earthquake and the earthquake relief work. At that time, I Luan County forces in Tangshan region of the repair service, is a welder. I survived the earthquake. However, our barracks and the surrounding houses have suffered devastating damage, the people suffered heavy casualties.

    I would say is as a welding worker, we should be in relief for what?

    Welding - The technology in relief of early, mid, late has its irreplaceable role in other types of work. His main advantages are: 1, both gas welding or welding. The equipment is simple, use common, easy to carry operation, particularly in the current urgent circumstances, to facilitate the collection and transport. Oxygen cutting welding is the collapse of steel structures in one of the best tools. Small welding machine can dig survivors in the current emergency rapid welding shaped components, as a kind of rescue and support tools to quickly put into use.
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    In my experience the following welding of the majority of relief workers, introduced a few of the early, mid, post more applicable technologies and tools.

    First, the current is a pre-earthquake relief, should organize the collection and procurement of gas welding equipment, welding machines, welding technology, the organization quickly rushed to the hardest hit, with the majority of the PLA and armed police emergency rescue. The main task is to use the equipment for concrete reinforcement in cut and shaped components to prevent the rapid welding secondary damage caused by the collapse rubble.

    Second, the pre-earthquake relief, 167 hours of basic search and rescue mission is completed. Both the medium stage. Middle stage of the main task is to clean up the remains of dead compatriots, while the ruins of the demolished. At this time requires a lot of basic tools. Such as: Wadao, big shovel, small carts, chisel, pry bar, winch and other tools. These tools can be used welding equipment and welding machines manufactured and put into use quickly.

    Third, the relief continues to move forward, will enter the stage of life to settle the victims, both advanced stage. This stage the majority of our welding and machining factory workers should be made simple cooking equipment, such as: small diesel furnace, steam cooker, semi-permanent seismic room. Enable victims to eat the hot meals drink water, live on the warm room. Prepare for post-disaster reconstruction.

    In the above three stages, the majority of welding technology and welding of the technical staff in the relief work of this great play an irreplaceable role.

    Because of my work, I can not personally to the first line of relief, only in this way express my support for the earthquake relief work.
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East Kerouac developed welding positioner delivery

HB100 welding positioner Zhuhai Orient Kerouac's for SME customers and the development of a welding auxiliary equipment, with a wide range of uses, low-cost features.
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  allows the workpiece to achieve 360 ??° rotation, rotation speed stepless adjustable; can 100 ° turn, so that the workpiece to achieve the desired welding position. For manual arc welding, semi-automatic gas shielded welding; and operation of aircraft and other mechanical equipment and supporting facilities can be submerged arc welding, automatic MIG welding gas welding and other methods. Base strength, wide range, rotation and high precision, using a wide range. The whole structure in the form of roll-style.
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Hitachi developed a welding depth increased 40% constant power technology

 Hitachi and Osaka University Institute of Science, Professor joining St. Katayama second collaboration, the successful development of laser welding thick material welding depth than when the department by about 40% of the original technology. If the depth of the same welding, laser output power is only about half of the original, reducing the welding power.
During the development of laser welding technology uses high-speed jet of shielding gas to protect molten part, known as the "gas jet laser welding." Than the original laser welding method of welding depth deeper, but can also significantly inhibit the metal vapor produced during welding (plume). For thermal and nuclear power generation and other energy equipment and industrial equipment, welding of thick plate can be efficient and high quality to be welded.
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Previously, especially in low-speed welding, it will produce metal vapor caused due to soldering unstable, difficult to get the welding depth. Welding gases inhibit proper protection of the metal vapor jet production, in order to achieve stable welding. Hitachi will continue to develop practical high-speed welding technology.
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Space 7103 factory workshop to improve welding

"When carrying the product shape by hand soldering process dominated for decades we have been playing a card hand-welding, advanced welding equipment utilization is not high." "Because of the lack of innovation, new models of development, when the sign design had to accommodate the backward process, which restricted the development of scientific research and production factory. "" Whether it is young technicians, or skilled personnel, to teach him techniques, but also to teach him a man. "This is the China Aerospace Science and Technology Corporation six homes 7103 plant recently held a symposium on-site welding skilled lively discussion of the scene.
Welding technology in the plant space rocket engine development and application of industrial business development, has a very important role in the plant belongs to the core expertise and strength. In order to further find out the status of factory welding techniques, welding technology and products to improve the quality of the plant called from the front line leadership of senior engineers, senior technicians, on the "innovation and development of welding technology, welding technology and skilled personnel training, quality of welding increase, the current welding technology and welding technology exchange ", etc. offer advice and suggestions.
Combination of rocket engine development and the development of space applications, industrial management, more than 20 elite targeted welding skills, talking about, for their valuable comments and suggestions: put some welding to reduce individual differences, to strengthen the development of welding tooling; some Abstract from the subtle use their brains to enhance the welding process control; some mention of automatic welding equipment to strengthen the research and application, to avoid new products to the craft behind the stereotypes; some mention play all plant equipment and technology, solutions and new models developed new product development process of technical problems; to mention research and production projects, some welding technology driven innovation; some mention to strengthen the welding technology, skills, personnel training and technical exchanges, and so on.
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The plant leadership listen and record everyone's suggestions and opinions and that, over the years, to keep the rocket engine plant in 7103 one hundred percent success, but also to develop a large welding experts and craftsmen. Hope we play a leading role and radiation, emancipate the mind, changing concepts, continue to strengthen technology research, role play equipment, as early as possible to the main manual welding automatic welding to the main direction of change, reduce labor intensity and improve the quality of welding technologies and products; first-rate welding technology to develop first-class technology, skilled personnel.
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In 2009 the trend of demand of welding equipment

According to the general trend of China's economic development, within the next few years, China's annual steel production and steel imports remained stable, and thus accounting for the domestic steel production to market demand for welding products, there will be no major discrepancies. Single market for products will be as welding technology, process development and production mechanization and automation level, and changes in the composition of various products in particular, than, as the proportion of AC arc welder decreased, automatic, semi-automatic welding machine, in particular, CO2 welding machine, welding sets dedicated a significant increase in demand.
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Welding products, imports will continue to increase, the total value of imports of the domestic market still accounts for about 50% of the total; domestic exports of welding over the years, no more than 6% of GDP. With the new product development ability and production level, the introduction of product localization and large-scale implementation, particularly foreign investment, joint venture development and the rapid rise of private enterprise, not only have a greater volume of its export growth, and exports The area also from the current Middle East, South Asia and Africa and other developing countries, expanding to the United States, Europe and other industrialized countries.

At present, the total market in the form of welding is: product output oversupply, competition, the majority of the production, management difficult. In product composition, the general oversupply of general-purpose welding machine: high reliability, multi-functional automatic, semi-automatic welding machines and special sets of welding, special welding market demand fast, still has to import some welding; in the domestic market structure on and imported welding is basically evenly divided, although the total number of Taiwan-made welding dominant, and in the sales of the imported products were accounted for about half. Although the situation is a result of domestic exports of welding products and the introduction of products to improve the performance of domestic implementation, and joint ventures, foreign expansion of production scale, export growth, exports and gradually by the AC arc welding machine, welding machine DC-based rotation turned to automatic, semi-automatic welding machines and welding sets, but imports of the same type of product, the gap is still significant.
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Localization of the robot welding technology has greatly improved

Recently, the Quality Supervision Bureau of Hebei Province, Tangshan Tangshan development around the development of fine steel, equipment manufacturing, chemical industry, "three pillars" of a new pattern of industrial development, establish and declare a "robot welding system technical conditions" for the local standards, Hebei Province.

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     With the accelerated process of industrialization, quality of construction machinery and precision requirements are also increasing. Robotic welding system in foreign countries using the welding structural components is very popular, but the domestic robot welding systems can make very few companies, and direct introduction of foreign systems and expensive sets, not only to spend a lot of foreign exchange, but also the production costs increased substantially. Tangshan Kaiyuan Co., Ltd. developed the robotic system is highly sophisticated robotic welding systems, narrow gap and all-position welding products, welding performance, high welding efficiency, high quality, high accuracy. The industry believes that China's heavy weight machine to adapt to the rapid development of industry needs, through the "robot welding system technology," The implementation of robotic welding systems to further improve our technical level, to improve the quality of welding and soldering, to adapt to complex, difficult the welding environment is important.
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