2024 : 4 : 13
Mohammadreza sheykholeslami Borghani

Mohammadreza sheykholeslami Borghani

Academic rank: Assistant Professor
ORCID: https://orcid.org/0000-0003-0735-0225
Education: PhD.
ScopusId: 56079339100
Faculty: Engineering
Address: Arak University
Phone: 32625722


The effects of loading path on process parameters in the free tube forming process
Free bending, forming characteristics, loading path, tube bending
Journal Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Researchers Sayed Saied Mosavi ، Siamak Mazdak ، Mohammadreza sheykholeslami Borghani ، Vajihe Sadat Sajadi ، Peyman Yousefi


The free bending method is the simplest method among the tube bending processes without the use of a die. Despite the simplicity of the process, there is no proper control over the geometrical tolerance of the product. The loading path or in other words the bearing movement mechanism is one of the effective factors on product geometry. In this paper, a finite element simulation has been carried out to investigate two different bearing movement time-paths (synchronous and asynchronous mechanisms); then, the results have been verified with experimental tests. The thickness distribution in different directions, ovality, bending radius, and applied forces on the bearing and the tube for both bearing movement mechanisms are the main results of this paper. The amplitude of thickness change in both mechanisms was equal. But there is a uniform trend in variation of thickness distribution in synchronous mechanisms. So, better geometrical quality of products is expected in this mechanism. On the other hand, because of uniform force distribution with tube movement in the bearing and tube, the stability of the asynchronous mechanism is higher than the synchronous mechanism.