Chang Jong Kim, Chan Kyu Kim, Hui-Jun Yi, Seok Kim, Young Tae Cho
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In-situ remanufacturing of forging dies for automobile parts based on wire arc directed energy deposition
Forging dies, which are crucial for manufacturing automobile tripod housings, are frequently replaced owing to their extensive use under challenging conditions, leading to the disposal of many components and increasing manufacturing costs. The development of repair and remanufacturing technologies for high-hardness forging dies is a challenging. This study explores the on-site repair of tripod forging dies using wire arc directed energy deposition (arc-DED), assesses the hardness and tensile properties of remanufactured components, and compares them with the specified forging die requirements for on-site usability. A validated novel slicer is employed in remanufacturing experiments on a 9.8 % Cr die steel tripod-forging die. Results show the effectiveness of arc-DED in remanufacturing, surpassing the specified requirements by at least 111 HV and 61 MPa in hardness and tensile strength, respectively. Thus, this study presents a promising approach to reduce the manufacturing costs and environmental impact associated with the forging-die-component disposal.
期刊介绍:
The aim of the Journal of Mechanical Science and Technology is to provide an international forum for the publication and dissemination of original work that contributes to the understanding of the main and related disciplines of mechanical engineering, either empirical or theoretical. The Journal covers the whole spectrum of mechanical engineering, which includes, but is not limited to, Materials and Design Engineering, Production Engineering and Fusion Technology, Dynamics, Vibration and Control, Thermal Engineering and Fluids Engineering.
Manuscripts may fall into several categories including full articles, solicited reviews or commentary, and unsolicited reviews or commentary related to the core of mechanical engineering.