Experimental and numerical studies for the forming groove and separating groove design in slit rolling process
- Authors
- Na, D. H.; Cho, S. H.; Lee, Y.
- Issue Date
- Sep-2011
- Publisher
- KOREAN SOC MECHANICAL ENGINEERS
- Keywords
- Slit rolling; Forming groove; Separating groove; Groove design method
- Citation
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.25, no.9, pp 2439 - 2446
- Pages
- 8
- Journal Title
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
- Volume
- 25
- Number
- 9
- Start Page
- 2439
- End Page
- 2446
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/21288
- DOI
- 10.1007/s12206-011-0714-3
- ISSN
- 1738-494X
1976-3824
- Abstract
- This paper presents a design method of the forming groove-to-separating groove rolling sequence used in slit rolling process. Based on the equivalent rectangle approximation, we have designed the forming groove which produces a peanut-shaped cross section via rolling from workpiece with an inlet (incoming) square cross section. The separating groove is designed by lowering its width and height in the ratio of 1:3 for the given reduction ratio. With the forming groove and separating groove designed by the proposed design method, we have performed a pilot rolling test at high temperature (around 1000 degrees C) using low carbon (0.1%C) steel and have also carried out finite element analysis to examine the expansibility of the proposed design method. The Results reveal that if the ratio of the roll diameter over the side length of a square is in the range of 4.0 similar to 8.0, the design method proposed in this study can be systematically applied to design the forming groove-to-separating groove without relying on in-house databases and/or on-site experience.
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