A new approach to enhance final surface quality in drilling operation: evaluation of using alumina micro-particle additives on oil-water emulsion cutting fluid

Khalilpourazary, Saman; Ahmadi, Jamal

doi:10.22061/jcarme.2018.756

Document Type : Research Paper

Authors

Urmia University of Tchnology-Faculty of Mechanical Engineering

https://doi.org/10.22061/jcarme.2018.756

Abstract

Reaming is a common finishing process for improving the drilled holes surface quality. Choosing an appropriate finishing method in drilling process has a significant effect on the surface quality of holes and in decreasing the process total cost and time. In this study, four similar holes were drilled on the AISI 4340 workpiece with different two pair feed rates. The drilling process was performed with a conventional cutting fluid, an emulsion of water and ECOCOOL 3015 GS-W. The surface roughness values after drilling process were measured using a portable roughness tester. Then, two distinct sizes of alumina micro-particles were used in the cutting fluid discretely to perform finishing process of the holes with a specific cylindrical tool. A comparison of the surface roughness measurements after the finishing process showed a significant decrease in the arithmetic surface roughness and ten-point mean roughness values of the drilled holes. The values were very close to the surface roughness limits in reaming process of the holes.

Graphical Abstract

Keywords

20.1001.1.22287922.2018.7.2.8.8

Main Subjects

Manufacturing Processes

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Journal of Computational & Applied Research in Mechanical Engineering (JCARME)

A new approach to enhance final surface quality in drilling operation: evaluation of using alumina micro-particle additives on oil-water emulsion cutting fluid

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Volume 7, Issue 2 - Serial Number 14
March 2018
Pages 223-231

A new approach to enhance final surface quality in drilling operation: evaluation of using alumina micro-particle additives on oil-water emulsion cutting fluid

References

References

Send comment about this article

Volume 7, Issue 2 - Serial Number 14March 2018Pages 223-231

Volume 7, Issue 2 - Serial Number 14
March 2018
Pages 223-231