Applications of digital tryout to stampings of hard-to-form parts

Title
Applications of digital tryout to stampings of hard-to-form parts
Author(s)
심현보
Issue Date
201506
Publisher
SAGE PUBLICATIONS LTD
Citation
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, v.229, no.6, pp.990 - 1001
Abstract
A tryout process is a series of procedures to obtain robust stamping by a trial stamping before transferring to a press shop. During the tryout, control of the drawbead, determination of the blank shape, modification of the binder surface, and so on are carried out mainly using a trial-and-error approach. As the level of difficulty increases, the formability involved in the stamping becomes sensitive to the contour of the deformed shape, or the blank shape. In order to solve the formability problems involved in the stamping of parts that are very difficult to form, a digital tryout that simulates the real tryout process in conjunction with a beadless stamping is demonstrated. Furthermore, the possibility of practical applications is investigated by showing a solution procedure for the proposed digital tryout. Since the digital tryout is carried out on the desktop rather than in the press shop, precise control of the deformed contour can be realized if the optimal blank design technique is used in the determination of the blank shape. The validity and advantages of the digital tryout method are confirmed with examples of auto parts that are very difficult to find robust stamping condition.
URI
http://hdl.handle.net/YU.REPOSITORY/32003http://dx.doi.org/10.1177/0954405414535582
ISSN
0954-4054
Appears in Collections:
공과대학 > 기계공학부 > Articles
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