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It is reported that large-diameter thick-walled seamless steel pipe is 60 million kw supercritical, ultra supercritical thermal power generation equipment essential to the long-standing blockade of foreign technology, China's only high-priced imports. Mass production of the project, will be breaking the foreign company's monopoly position in the field, import substitution alone could annually save 500 million U.S. dollars for the state.

Breakthrough breaks through again Technology out of the ivory tower, the need for horses. 36,000 tons of vertical extruder Bole, is China North Industries Group North Heavy Industry Corporation (hereinafter referred to as the North Heavy Industries). The cooperation with Tsinghua University, China Science and Technology system is a microcosm of innovation.

40 years sweats As it sets the world's largest vertical extrusion machine designer, Yan Yongnian about the project appears to be very proud of: the project to break the tradition of forging equipment design concepts and methods to achieve the technology in a number of breakthrough. The first use of prestressed steel wire wound structure and improve the main bearing press frame, the main working cylinder and other major components of the fatigue life of bearing. Second, joint structure using prestressed Hom, control parts unit weight, reduce manufacturing, transportation difficulties. Third, the use of robots in the winding process in the installation of field operations, effective solution to transport problems. Fourth, in the extrusion press hydraulic power transmission and control, and the German Panke companies to effectively solve the hydraulic control speed of extrusion.

It is reported that before the world more than 30,000 tons of vertical extrusion machine is only two [link widoczny dla zalogowanych], belonged to the United States Wieman? Gordon company. The company monopolizing the market for over 20 years. Thus, domestic 36 [link widoczny dla zalogowanych],000 tons will come out of vertical extrusion machines produce in the market how much of a stir.
er nearly three years of research, China has independently developed the world's first 36,000 tons of ferrous metals vertical extrusion press, the successful completion of hot commissioning, out of the first root pass of the thick-walled seamless steel pipe, as the "11 5 "China's equipment manufacturing industry during the 16 key projects in the first project, the progress of the fastest, first put into operation and to achieve mass production of the project.

2003, the chance to make rapid prototyping to high-level introduction to the North Heavy Industry Corporation prestressed steel wires and split? Hom joint technology. It also opened a new cooperation of Tsinghua University and the business page.
Behind the world's leading technology, scientific and technical personnel in China devoted nearly 40 years of sweat. 70s in the last century, to Tsinghua University based on a number of technical staff has completed the theory of winding technology. 20 years [link widoczny dla zalogowanych], Tsinghua University, using the technology for enterprise design and production of various types of hydraulic machines has reached about 1,200 units. And to the technology applied to the tons of heavy equipment, the first time.

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