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World’s Largest Tower Crane Rolls off the production line at Zoomlion Tower Crane Intelligent Factory

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On April 20th, the world’s largest tower crane, which integrates 158 innovative scientific research achievements and 305 patents for invention, rolled off the production line at Zoomlion Tower Crane Intelligent Factory in Changde.

It is another self breakthrough and another historic breakthrough in China’s advanced manufacturing development process.

As an essential equipment of national construction that broke the world record, Zoomlion’s tower crane will provide more advanced solutions for China’s industrial heavy-duty trend and construction industrialization, further enhancing the influence and competitiveness of Chinese brands in the global tower crane industry.

The world’s largest tower crane R2000-720 boasts its rated hoisting torque of 20000 t/m, maximum hoisting capacity of 720 tons, and maximum hoisting height of 400 meters, which is equivalent to hoisting 500 cars to a height of 130 floors at once. It integrates 158 innovative scientific research achievements and 305 patents for invention, including more than 60 core key technologies and 12 world pioneering technologies. It has reached the world’s pinnacle of the tower crane, being an essential equipment of national construction.

After the delivery, R2000-720 will be used in the construction of the three-tower cable-stayed bridge with the world’s largest span – Ma’anshan Yangtze River Highway-Railway Bridge, providing a solid equipment guarantee for the project construction.

“R2000-720 has made innovations and breakthroughs in balancing weight, structure, intelligent control and other technologies, solving multiple world challenges for ultra large tower cranes under extremely complex working conditions, such as strong wind, high humidity and heavy load”, said Zoomlion’s relevant person in charge.The application of these technologies has made “the world’s largest tower crane” into “the world’s strongest crane tower”.

According to his description, R2000-720 applies Zoomlion’s pioneering mobile balancing weight technology, which allows the balancing weight to move accurately with changes in hoisting torque, achieving a significant improvement of over 60% in hoisting performance.In addition, R2000-720 innovates in the design of a high load-bearing lightweight structure and a heavy-duty split structure. On the premise of ensuring high load-bearing capacity, R2000-720 reduces the weight of the upper structure of tower crane by more than 20% compared to conventional solutions, solving the problems of transportation, installation and disassembly, and making it more convenient to use.

In order to make the tower crane more agile, Zoomlion has also made great efforts in intelligent control technology.The deeply developed multi-source information fusion ETI intelligent control system applies 230 intelligent control strategies and 50 intelligent technologies to achieve millisecond level response, enabling R2000-720 to be “large” and “stable”, “fast” and “accurate”.

The world’s largest tower crane R2000-720 marks that Zoomlion has mastered mature large tower technology and is at the forefront of industry development.

Intelligent production line enables manufacturing of large towe

As an essential equipment of national construction that breaks the record of “the world’s largest tower crane”, is the tower crane with larger engineering quantities and longer production cycle? Regarding this question, Zoomlion’s relevant person in charge stated, “The overall duration of the R2000-720 project reaches 33280 man days, that is, 120 persons work continuously for 10 months. However, based on intelligent manufacturing, by controlling 8 types of key control projects, evaluating and developing 18 parallel projects, it sets a new record in the delivery cycle, only 8 months from design to rolling off the production line, which is 2 months faster than W12000-450.

After 67 years of explorations, through continuous accumulation, breakthrough and sublimation in the field of engineering machinery, Zoomlion has created the world’s leading research, development and design platform described as “Kingdom of Freedom”, built the world’s largest tower crane intelligent factory, and led product upgrades with intelligent manufacturing.

It is understood that Zoomlion Tower Crane Intelligent Factory currently has 40 intelligent production lines, including 12 unmanned black light production lines. Due to intelligent production lines, flexible tooling, high-precision heavy-duty machining equipment, and nearly 1000 large tower craftsmen, Zoomlion has achieved breakthroughs in both quantity and quality in the manufacturing capacity of ultra-large tower crane.

At present, Zoomlion Tower Crane Intelligent Factory can fully cover the production of 13 models of large tower cranes (500-20000 t/m), and the product can meet almost all the needs of current large hoisting projects.

The ultimate product performance strength brings its hot market performance. It is reported that Zoomlion takes an absolutely leading position in the market share, being the world’s largest tower manufacturer with the highest delivery quantity and the strongest production capacity. Currently, there are dozens of ultra-large towers produced in Zoomlion Tower Crane Intelligent Factory synchronously.

Zoomlion regards every new breakthrough as a new starting point for innovation, surpassing itself time and time again, breaking world records time and time again.Industry experts say that R2000-720 marks Zoomlion’s further exploration in the “blank zone” of tower crane technology, and Zoomlion’s leading advantage in the “large tower era”.

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