| Issue |
MATEC Web of Conferences
Volume 21, 2015
4th International Conference on New Forming Technology (ICNFT 2015)
|
|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 7 | |
| Section | Forging and Extrusion | |
| DOI | https://doi.org/10.1051/matecconf/20152102003 | |
| Published online | 10 August 2015 | |
Effect of rotational speed in rotary hammer forging process
Misr University for Science and Technology, Department of Mechatronics Engineering, Sixth of October City, Egypt
a Corresponding author: drmuhamdy@yahoo.com
Rotary press forging (RPF) has been used in the last century, but it produces many defects in the forgings. The author has invented the rotary hammer forging (RHF) process to reduce such defects. RHF is a multi-axes compression process where the material is partially and incrementally deformed by the action of several repeated hammering blows, while the produced deformation region is swept through the whole area of the workpiece. The aim of the present work is to study the effects of rotational speed on the forgings produced by RPF and RHF to compare between the two processes. It has been found that as the rotational speed increases the mushroom effect is constant in RHF while it is greater and increases in RPF. As the rotational speed increases, the twist angle increases in both RHF and RPF, but it is bigger in RPF. These results demonstrate the benefits of using RHF instead of RPF.
© Owned by the authors, published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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