The Roll-Forming Process Analysis of the Situation and Development Trend

Abstract:

Roll – forming is through the allocation of roll the sheets for multiple successive of transverse bending deformation process of the section, to form a specific shape with high energy efficiency, uniform cross section, stable product quality, etc. Since the 19th century began to study the roll-forming process, successively completed the exploration of this kind of technology and promotion from 1938 to 1938.It has entered the rapid development of roll-forming technology at present. Began to roll-forming technology research relatively late in our country, but the trend of development of fast, such as the construction industry, automotive industry, white home appliance industry has been widely used, to specific parts such as highway anti-collision WeiDang, auto parts anticollision beam beams, before and after the threshold of the anticollision beam and a side door production, etc. Roll-forming technology belongs to the nonlinear problem of large plastic deformation, the forming theory of the present domestic scholars have researched, forming a simplified analytical method, energy analysis method, cable original research method and finite element method theory. With the development of computer aided design technology, through the computer simulation of sheet deformation and regional stress analysis, and makes the product design cycle is shortened, the product design quality was improved. At home and abroad, roll-forming equipment have developed highly efficient, the formation of the uncoiled stamping - roll-forming - welding - material such as plastic - cut – code craft route, eventually forming the results approach to the product shape, implementation process highly integrated production mode, cold-formed molding equipment of high automation intelligent design, help to realize planning of ‘Made in China 2025 strategy’ in the industry of roll-forming.

• Periodical: Key Engineering Materials (Volume 764)
• Pages: 201-209
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.764.201
• Online since: February 2018
• Authors: Miao Hu, Yan Bo Li*, Xin Li, Xiao Lin Cao, Min Hou
• Keywords: Development Trend, Forming Theory, High Strength Steel, Roll-Forming

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