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2011年9月19日星期一

Thirty-one Song Jinquan: welding from the workers became the first trainer

 August 29, 2006, Song Jinquan away from state-owned enterprises, private enterprises to join the Sany Heavy Industry. In the moment of entering the thirty-one as welding technology workers, he quietly set a goal in mind - "in the Trinity this platform to make a difference, to reach the highest skill."

From the power of faith, Song Jinquan day and night fighting in the welding line, he's hard at the shop is out of the name. His near-stringent demands on themselves, to each site welding jobs are valued as a rare opportunity to exercise. From the simple to the difficult operating analysis, he figured, trial and error, with the perseverance of the spirit and idea came to study the perception of his increasingly sophisticated welding techniques.

Hard work pays off. In 2008, Trinity Group Phase I training technicians and senior technicians, and Song Jinquan with perfect welding conquer the presence of all the judges, as this training course successfully pass the examination of the only high-level technicians; 2009, he was doing my part won the "Crane Division mechanic welding skills Star Contest" winner; 2010, Japan Welding Technology courses, he won the "outstanding student" title ... ...

One in three years, Song Jinquan with practical work hard to obtain recognition of the leadership and colleagues, from the group leaders, small pieces of the frame to the squad leader is responsible for the Crane Division, welder training, he gains a career breakthrough.

"As long as people have goals, dreams, and go step by step firmly, they will achieve." Trinity the past five years about life, Song Jinquan passion, emotion.

Welding process has been an important constraining factor in the quality crane products. Qi Jian, general manager of business has on many occasions, the improvement of the welding process the request. In order to fundamentally improve the standard of welding technology, welding technology skills training for staff was promoted to the strategic level. Crane Division, welding technology as the highest level of senior personnel, Song Jinquan stepped in, becoming the first Division welding teacher training, training in the manufacture of a busy day, hard line.
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Welding process is repeated to strengthen the operation of technology, the upgrading of skills is not achieved overnight, combined with new multi-skilled workers into the Division of 80, 90 young people, the lack of practical experience, Song Jinquan to communicate with them over and over again at pains to talk. At first these young people will feel tired, very strong resistance. However, the sincere and exquisite eventually conquered the group of young people who became good friends, the workshop has become common practice in the skills competition, crane manufacturing process improvements to a new level.

"Three in a career with our dreams, I am willing to work hard here and these young people belong to our world together." About the future, Song Jinquan face happiness and satisfaction.
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2011年9月9日星期五

New technologies in steel welding applications

Steel structure with light weight, short construction period, adaptable, attractive appearance, easy maintenance, etc., its application more widely. The development of steel and steel production are closely related. China has become the world's steel-producing countries, steel production in China in 2005 exceeded 300 million tons, of which up to 140 million steel production, energy, transportation, metallurgy, machinery, chemicals, electricity, construction and infrastructure areas such as steel construction industry has become a pillar of national economy.

From the 1980s, the Chinese construction steel has been an unprecedented development, construction steel in the national economy plays a very important position. Basis to evaluate the amount of steel in 2005, about 11.55 million tons of steel building steel structure, more than 836 million tons in 2002 38%%. At present, China's top steel structure, steel structure, bridge steel, light steel and steel for residential steel and other industrial and civil buildings, springing up all over the country. According to statistics, so far, China has built more than 60 high-rise high-rise steel buildings; large-span space steel structure in a variety of stadium, exhibition center, theater, terminal, hangars and some industrial plants in the application; steel bridge in the ascendant, since the 1990s, according to incomplete statistics, Yibin section of the Yangtze River to Shanghai, the number has reached more than 50 bridges stabling block, half of them are steel bridge, "many among the 'World class' bridge, showing Chinese contemporary bridge technology has reached world advanced level "; After several years of intensive research and development into China's steel housing has a new stage of development, a group of the Ministry of Construction of the demonstration project, pilot projects and key technology research projects have been built and achieved scientific research, in the "circular economy" "green building" policies under the guidance of future housing construction steel in China will flourish.
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Welded steel construction features and difficulties

Looking at the current status of China's steel structure engineering and development trend, more and more with modern architectural style and architectural features of high technology, its main features are:

A novel and unique style, diverse architecture, the node structure is complicated, multi-form welded joints, component production and field installation of the welding technology more and more difficult. For example: National Stadium "Bird's Nest," a large number of steel works complex truss columns, the main truss, sub-structure node welding, weld criss-cross, the construction is very difficult.

2 building height is high, large span structures, seismic performance of welded steel design of the main requirements of high quality. Such as: frame beam-column connection weld, shear plate and column connection weld, beam web and column connections and column of the weld seam stitching, are the main parts of the structure, basically slope population penetration level seam, 100% ultrasonic testing, welding quality requirements are very high.

3 Use the varieties of steel specifications and more and more and more tend to use high-strength low-alloy structural steel and large thickness of the steel, iron and steel production process with increasing levels of, steel, austenitic stainless steel sheet has also been increasingly The more applications. Therefore, the required on-site pre-construction, the steel used for the delivery status, real-time for a new steel to the welding test, explore the science of welding parameters, welding technology to develop appropriate measures.

4 factory production and field installation link many factors, many different types of cross-operation, on-site installation difficult.
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2011年9月5日星期一

Shenzhen, a breakthrough in the quality of welded steel construction

Recently, the country's first LNG import terminal project - came news of the Shenzhen LNG project, the construction of Sinopec four built in 9% Ni (nickel) steel welded construction of a new high, a welding pass rate for the first time more than 99 %, and achieved a record high.

The project as the first domestic installation of a large LNG storage tanks, the unique nature of their construction methods and welding materials, special construction company once to four Department of the Shenzhen project technical staff has become more difficult. To overcome this difficulty, the four construction companies since 2004 successfully completed up to 21 9% Ni steel welding procedure, which makes the original assessment of need to get outside for hands in the four successful completion of the construction and subsequent T-1101 and No. T-1102 tank construction to maintain more than 98% of the welding pass rate, get a foreign project supervision and the owner of the high degree of recognition.
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Currently, the key to the construction phase of the T-1103 in the number of LNG tank construction, four technical quality of the construction company staff of "quality first, continuous improvement." The quality, strictly in the construction process, layers of control site construction quality, especially in the 9% Ni steel welding process, the strict control of welding parameters and welding process discipline to ensure the progress of construction under the premise of making a welding pass rising, now 9% Ni steel welding passing rate reached 99.13% of the best in history, and therefore subject to the total package, the owners and foreign experts alike, the continuous improvement of welding pass rate also shows that China has fully mastered the 9% Ni steel welding, as in China construction industry overall open foreign LNG tank construction market has far-reaching significance.
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2011年8月24日星期三

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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