On December 4, SDJL Heavy Industry Group invested 500 million yuan to build the "Offshore Wind Power Spindle and Precision Drive Shaft Construction Project", which was officially put into commercial production. The project included an additional building area of 37,000 square meters and an investment of 180 million yuan to build a forging workshop. , Invested 320 million yuan to build a finishing workshop. The SDJL project manager said, “After the project reaches production capacity, it will achieve an additional capacity of 64,000 tons of offshore wind power spindles, the company’s sales revenue will exceed 2 billion yuan, and the global wind power spindle market share will increase to 40%.”
In order to solve the technical bottleneck of the offshore wind power spindle project, SDJL and the Institute of Metal Research of the Chinese Academy of Sciences conducted a joint development to overcome technical difficulties such as the preparation of high-quality special steel quality blanks, the whole process organization of hollow spindle production and the genetic relationship of defects, and solved the manufacturing of offshore wind power spindles. Bottleneck constraints such as medium corrosion resistance and high strength.
The purchase of international cutting-edge CNC lathes, boring machines and other finishing equipment, as well as thermal processing equipment such as regenerative heating furnaces, presses, manipulators, etc., the product size accuracy reaches 4 microns, which can guarantee the trouble-free operation of offshore wind power spindles for more than 20 years. "As a key high-tech enterprise of China's Torch Program, SDJL's products are mainly exported to European and American countries and some large domestic enterprises. The company's products account for 30% of the global market share. The company is also the world's most technologically advanced and largest manufacturer of wind power spindles. It has a provincial technical center laboratory, and has obtained 6 innovative patents and more than 40 utility model patents.
SDJL's main products are wind power spindles ranging from 1MW to 6MW. The company continues to expand its production scale and upgrade its process technology. It is one of the few wind power spindles in the wind power spindle industry that has the entire process of precision casting, forging, heat treatment, machining, and coating, as well as various large-scale forging manufacturers. It currently has an annual output of MW The production capacity of 8,000-class wind power spindles and 120,000 tons of various large forgings. At present, the company's wind power spindles have reached 30% of the global wind power spindle market share, ranking first. It has the highest technical level, the highest degree of specialization, the highest market share, and the largest production scale in the global wind power spindle manufacturing field. The leading enterprise in wind power spindle manufacturing.
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