Volume 5, 2018
|Number of page(s)||20|
|Published online||01 June 2018|
Nanofinishing of freeform/sculptured surfaces: state-of-the-art
Department of Industrial and Production Engineering, Shri Govindram Seksaria Institute of Technology and Science,
2 Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
3 Department of Mechanical Engineering, Maulana Azad National Institute of Technology, Bhopal 462003, India
* e-mail: email@example.com
Accepted: 27 February 2018
Freeform surfaces are being used in a multiplicity of applications in different kinds of industries related to Bio-medical (Bio-implants), micro channels in micro fluidics, automotives, turbine blades, impellers of artificial heart pumps, automobiles etc. Different parts in these industries need nano-level surface finish as their functional inevitability. It is very difficult and challenging to achieve high level of surface finish, especially on the components having freeform (or sculptured) surfaces, complex shapes, and 3-D features. Surface finish is a significant factor, which affects life and functionality of a product. Many traditional and advanced finishing processes have been developed for finishing of freeform/sculptured surfaces but still it has not been possible to achieve uniform nano level surface finish specially in case of freeform surfaces. To overcome the limitations of the existing nanofinishing processes, researchers are developing new processes for uniform nanofinishing of freeform surfaces. In this article, an attempt has been made to review different nanofinishing processes employed for freeform surfaces useful in different types of applications. In addition, experimental work, theoretical analysis and existing challenges of the finishing processes have been identified to fill the research gap.
Key words: nanofinishing / MR fluid / flexible tool / surface roughness / freeform surfaces
© L. Nagdeve et al., Published by EDP Sciences 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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