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http://dx.doi.org/10.3795/KSME-A.2012.36.7.723

Study on Dimensional Change in Wire Product During Wire-Drawing Process  

Moon, Chang-Sun (Dept. of Mechanical Engineering, Sogang Univ.)
Kim, Nak-Soo (Dept. of Mechanical Engineering, Sogang Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.36, no.7, 2012 , pp. 723-730 More about this Journal
Abstract
During the cold wire-drawing process, the diameter of a wire is reduced and the length of the wire is increased as the wire passes through the die. The pressure and sliding motion at the interface between the wire and die cause elastic recovery of the workpiece and friction and wear on the die. In addition, wire deformation and frictional heating raise the temperature of the wire and die, resulting in difficulty in manufacturing the drawn products according to a designated inner diameter of the die, deviating from the designated dimension or the inner diameter of the die. In this study, considering the die temperature distribution, the effects of dimensional changes of the drawn products were analyzed quantitatively; these changes are caused by the elastic deformation of the die, the elastic recovery of the workpiece, and the thermal deformation of both the die and the workpiece. It was confirmed that the elastic recovery of the workpiece influenced these changes the most. The initial dies considering these factors could avoid deviation from the designated dimension, and the desired drawn products were obtained by using the designed initial drawing dies.
Keywords
Dimensional Change; Elastic Deformation; Thermal Expansion; Elastic Recovery; Wire-Drawing Process;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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