Incremental Backward Hole-Flanging Pelat Tembaga Melalui Jalur Pembentukan Spiral

  • Imam Mashudi Politeknik Negeri Malang
  • Agus Hardjito Politeknik Negeri Malang
  • Agus Dani Politeknik Negeri Malang


Needs to improve construction efficiency, lower costs, energy savings, and environmentally friendly
requirements, lightweight construction usage will continue to increase. Light construction of a series of thin
profiles is confronted with the selection of appropriate fastening methods. The process of fastening the thin
profile with the other part through drilling process followed by the process of threading or brazing will not
provide enough strength because of insufficient fastening area. The latest publication has discussed the
process of forming flange around the holes in plate components through incremental sheet forming (ISF)with simple forming tool driven by CNC machines without using molds as an alternative to traditional holes
flanging requiring dedicated tool and mold in the form of flange profile which are desired. Many studies
have been done on ISF technology in forward direction with various tool path strategies. There has not been
much research to study the formation of flange in incremental backward hole flanging (IBHF) of thin plates
or closed profiles. This research focuses on how geometrical form of the multipurpose flange forming tool,
the effect of process variables and tool geometry on IBHF copper plates through a spiral incremental tool
path strategy. The research yielded the results of a simple tool geometry with curvature that enabled the
successful formation of flange through a spiral path strategy. From the data processing, the result of the
research showed that the variable of horizontal direction formation step, the rate of formation, the rotation
of the forming tool, and the shape forming radius affect the height of the flange resulted from the IBHF process.

How to Cite
MASHUDI, Imam; HARDJITO, Agus; DANI, Agus. Incremental Backward Hole-Flanging Pelat Tembaga Melalui Jalur Pembentukan Spiral. Prosiding Sentrinov (Seminar Nasional Terapan Riset Inovatif), [S.l.], v. 3, n. 1, p. TM269-TM279, nov. 2017. ISSN 2477-2097. Available at: <>. Date accessed: 12 june 2021.