Mechanics & Industry
Volume 19, Number 4, 2018
|Number of page(s)||8|
|Published online||01 November 2018|
Experimental study and FEM analysis of forward hot dieless spinning
School of Mechanical Engineering, Iran University of Science and Technology,
* e-mail: firstname.lastname@example.org
Accepted: 4 August 2018
In this study, the forward hot dieless spinning method is employed in order to fabricate conical tubes using thick aluminum. The process is first examined numerically and then verified by an experimental work. In the numerical study, a 3-D dynamic explicit model is used to solve a common problem in the modeling of the spinning process, the tube is fixed and the roller rotates around the tube. The strain distribution in the tube at various forming passes is studied. The numerical results show that the circumferential strain distribution in different positions of the tube has a negative value whose value increases toward the free end of the tube. Besides, the results indicate that the hardness of the sample increases by about 18% due to the hot dieless spinning process and such a hardness augmentation is obvious along the thickness of the formed tube.
Key words: Spinning / dieless / tube / strain
© AFM, EDP Sciences 2018
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