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Research on point-pressing based double-sided CNC incremental forming

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Abstract

For the problem of the sheet distortion caused by the force of the two extrusion forming tools on the sheet in the double-sided CNC incremental forming, a point-pressing based double-sided CNC incremental forming was proposed in which the consecutive-extrusion of the extrusion forming tool on the sheet was replaced by the point-pressing. A point-pressing based double-sided CNC incremental forming toolpath generation algorithm based on the consecutive-extrusion based double-sided CNC incremental forming toolpath was presented. The double-sided CNC incremental forming processes based on the point-pressing and consecutive-extrusion was simulated by using the ANSYS/LS-DYNA software and the actual forming experiment. The numerical simulation results show that the double-sided CNC incremental forming based on the point-pressing compared with the process based on the consecutive-extrusion can acquire less circumferential displacement, less distortion, more evenly distributed average equivalent strain and less mutagenicity. It can be seen from the actual forming experiment that the sheet metal part formed by the point-pressing method has better geometric anastomosis with the design model than that formed by the consecutive-extrusion method.

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Authors and Affiliations

  1. College of Mechanical and Electrical Engineering, Shenyang Aerospace University, Shenyang, 110136, China

    Hu Zhu & Dongxuan Xiao

  2. School of Mechanical and Automation Engineering, Kyungnam University, Changwon, 51767, Korea

    Jaeguan Kang

Authors
  1. Hu Zhu
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  2. Dongxuan Xiao
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  3. Jaeguan Kang
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Corresponding author

Correspondence to Hu Zhu.

Additional information

Recommended by Associate Editor Young Whan Park

Hu Zhu is a Professor in the College of Mechanical and Electrical Engineering at Shenyang Aerospace University. He received his B.S. from Jilin University, and M.S. and Ph.D. in Mechanical Design and Production Engineering at Seoul National University. His current research interests include CAD/CAM, 3D printing, CNC incremental forming.

Dongxuan Xiao is currently an M.S. student of Mechanical and Electrical Engineering at Shenyang Aerospace University. He received his B.S. from Mechanical Manufacturing and Automation at Jilin Agricultural University. His research interests include CAD/ CAM, CNC incremental forming.

Jaeguan Kang is currently a Professor of Mechanical Engineering at Kyungnam University. He received his Ph.D. from Pohang University of Science and Technology, M.S. from Korea Advanced Institute of Science and Technology, B.S. from Seoul National University. His primary research interests include CAD/CAM, incremental sheet metal forming.

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Zhu, H., Xiao, D. & Kang, J. Research on point-pressing based double-sided CNC incremental forming. J Mech Sci Technol 33, 4389–4400 (2019). https://doi.org/10.1007/s12206-019-0835-7

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  • DOI: https://doi.org/10.1007/s12206-019-0835-7

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