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Development History and Significance of Welding Technology (Part 1)

Adjustable welding rotator manufacturer to share with you: Welding has a long history in China. As early as the Shang Dynasty, people began to use cast welding to create bronze weapons. China The panlongs on the bronze drum base unearthed from the tomb of Zeng Yihou were connected by segmental brazing. Cold weapons such as swords made during the Warring States Period were also Chengde by heating and forging. China's welding technology is also mentioned in the world's first masterpiece "Tiangong Kaiwu" about agricultural and handicraft production. The book records: In ancient China, copper and iron were heated together in a furnace, and knives and axes were made by forging; yellow mud or sifted sieved soil was sprinkled on the interface, and large-scale anchors were forged and welded in sections. Forged weapons were also used in medieval Damascus.

Because the ancient welding technology stayed at the level of casting welding, forging welding and brazing for a long time, and the heat source generally used is furnace fire, the temperature is low and the energy is not concentrated, so it cannot be used for welding large-section and long-weld workpieces. So it can only be used to make decorations, simple tools and weapons.

Later, due to the closed-door policy of the Ming and Qing governments, China's modern welding technology lags far behind Western countries.

Until after the founding of New China. In order to speed up the pace of industrialization and train technical talents, in order to get rid of the backwardness of industry, China decided to study in the former Soviet Union, and hired former Soviet experts to teach at Chinese universities. At that time, Harbin Institute of Technology was listed as a key university by the country, and it hired more than 50 former Soviet experts to teach. One of them, who can be said to be the founder of the Chinese welding discipline, is Dr. En Prokhorov, a professor at the Moscow Bauman Institute of Technology. He came to Harbin Institute of Technology to make a comprehensive plan for the development of welding professions and personnel training. At that time, Dr. Prokhorov assigned a research topic to each of the six graduate students who volunteered to study welding. In addition, they were also required to complete a course preparation task for each of the graduate students. Also prepare lessons based on Soviet textbooks. At that time, the leadership goals of Harbin Institute of Technology were also very clear: to establish a welding specialty and start a welding career. It can be said that Harbin Institute of echnology is the birthplace of welding equipment in China, the cradle of welding scholars, and the starting point of China's welding industry.

Fit-Up Plasma Welding Center

Fit-Up Plasma Welding Center

Due to the late start of the welding industry in China, there are still many shortcomings.

1. Lack of skilled talents: In recent years, the contradiction between supply and demand for welding professionals has become increasingly prominent, and the problem of welding talents has begun to emerge under the condition that China's vocational training system is not yet perfect. This situation continues to develop, and the contradictions will become more prominent.

2. R & D level decline: The decline in R & D level is mainly manifested in two aspects, (1) serious shortage of investment, and (2) overall research level decline

3. Technology diffusion in the welding field: In the welding industry, most enterprises are small and medium-sized enterprises, and their own research and development capabilities are weak. Most depend on the strength of universities and research institutes. From this point of view, if there is a problem in the upstream of the cooperative innovation chain, there is not much to say about its downstream influence.

In summary, the problems existing in the welding field have severely restricted the development of China's welding industry. Therefore, China's welding industry should continue to learn from the experience of advanced countries from abroad to strengthen itself, so as to promote the healthy development of China's welding materials, welding equipment, auxiliary equipment, manufacturing applications and other industries.

Wuxi OLIVET Machinery Equipment Co.,LTD.E-mail: sales@chinaolivet.cnTel: +86-510-8383 0908

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