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On the Concept of Finishing Internal Grooves Using Elastic Abrasives


Affiliations
1 Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram, Kerala, India
2 Dept of Aerospace Engineering, Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram, Kerala, India
     

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Recent developments in surface finishing methodologies have reported the application of abrasive grits in various forms, using different media to generate fine finished surfaces. The viscoplastic medium used in Abrasive Flow Machining, the magnetic medium in Magnetic Abrasive Finishing and the Ice matrix in Ice bonded Abrasive Polishing are typical examples. These techniques can be used effectively to finish intricate internal and external surfaces. But there are unique challenges involved in many situations, one among them being the finishing of a circumferential internal groove. This paper presents the feasibility study on the usage of elastic abrasives for finishing internal grooves. Elastic abrasive is a new concept proposed in which high resilient abrasive embedded elastomeric spheres are used for fine finishing of surfaces. A specially designed experimental setup to finish circumferential internal groove is also described with some preliminary results.

Keywords

Elastic Abrasives, Internal Groove, Surface Finishing.
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  • On the Concept of Finishing Internal Grooves Using Elastic Abrasives

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Authors

V. S. Sooraj
Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram, Kerala, India
V. Radhakrishnan
Dept of Aerospace Engineering, Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram, Kerala, India

Abstract


Recent developments in surface finishing methodologies have reported the application of abrasive grits in various forms, using different media to generate fine finished surfaces. The viscoplastic medium used in Abrasive Flow Machining, the magnetic medium in Magnetic Abrasive Finishing and the Ice matrix in Ice bonded Abrasive Polishing are typical examples. These techniques can be used effectively to finish intricate internal and external surfaces. But there are unique challenges involved in many situations, one among them being the finishing of a circumferential internal groove. This paper presents the feasibility study on the usage of elastic abrasives for finishing internal grooves. Elastic abrasive is a new concept proposed in which high resilient abrasive embedded elastomeric spheres are used for fine finishing of surfaces. A specially designed experimental setup to finish circumferential internal groove is also described with some preliminary results.

Keywords


Elastic Abrasives, Internal Groove, Surface Finishing.