Transactions of Materials and Heat Treatment

Title：Theory and technology of superlarge ring rolling

Authors： Hua Lin Qian Dongsheng Deng Jiadong Lan Jian

Unit： Wuhan University of Technology

KeyWords： ring rolling superlarge ring rolling theory deformation law radialaxial rolling technology

ClassificationCode：TG331

year,vol(issue):pagenumber：2018,43(7):17-31

Abstract：

In order to ensure a long-term stable service of major equipment in severe working conditions, such as heavy load, varying load, impact, high temperature, low temperature, corrosion, radiation, etc., the requirements of microstructure state and mechanical property of super-large ring were developed gradually. So a seamless super-large ring with high performance manufactured by forging and stamping technology became a great demand of extreme manufacturing development for national major equipment. Therefore, the research development of university-industry collaboration for radial-axial rolling technology and equipment of super-large metal ring with diameter of Ф5-Ф10 meters in our country was summarized, and its physical model was established. Then, its deformation law was revealed, and its conditions of mechanics, kinematics and material were confirmed. Furthermore, its key technology was overcome, and a series of equipment were developed. Over nearly twenty years study and production, the rolling theory of super-large ring was established, and the complete technology of radial-axial rolling for super-large metal ring was developed. Thus, the above works make our country to be an international advanced self-development base of super-large ring, which greatly promotes innovative development of major equipment in our country.

Funds：

国家自然科学基金面上项目（51575414）；教育部创新团队发展计划“先进汽车零部件技术”（IRT_17R83）; 江苏省科技支撑项目（BE2016009）

华林（1962-），男，博士，教授，E-mail：hualin@whut.edu.cn

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