Effect of swirling abrasives induced by a novel threaded nozzle in machining of CFRP composites
- 37 Downloads
This paper attempts at investigation of the feasibility of imparting a swirling motion to abrasive particles by introducing internal threads in the nozzle. In this investigation, a novel internal threaded nozzle was introduced in the abrasive jet machine to make holes on the carbon fiber reinforced polymer composites with the objective of reducing the machining time. This is a unique attempt of its kind and this innovation has brought down the machining time considerably and, as a consequence, higher material removal rate was obtained. Carbon fiber reinforced polymer composites are inhomogeneous and coarse in nature, and hence, the ease of machining and the machining time are always challenging. A morphological study was also made using an optical microscope to find the kerf width and kerf angles. The effect of two different nozzles on machining time, material removal rate, and kerf analysis on the carbon fiber reinforced polymer composite was investigated. It was found that machining time was reduced by 92% with novel internal threaded nozzle. The nozzle with internal threads also reduced the kerf angle of the machined hole.
KeywordsAbrasive Jet Novel Thread Fluid Time Kerf Angle
Unable to display preview. Download preview PDF.
The authors wish to acknowledge the support rendered by Dr. T.G. Loganathan, Centre for Composite Fabrication and Testing, Department of Mechanical Engineering, R.M.K. College of Engineering and Technology, Puduvoyal, Tamilnadu for fabrication of composite laminates.
- 13.Deepak Doreswamy, Basavanna Shivamurthy, Devineni Anjaiah, Yagnesh Sharma N (2015) An investigation of abrasive water jet machining on graphite/glass/epoxy composite. International Journal of Manufacturing Engineering, 627218, 1–11. https://doi.org/10.1155/2015/627218
- 21.Madhu S, Balasubramanian M (2015) A review on abrasive jet machining process parameters. Appl Mech Mater 766-767:629–634. https://doi.org/10.4028/www.scientific.net/AMM.766-767.629 CrossRefGoogle Scholar
- 22.Zhang D, Liu L (2011) A study on speed of fluid in swirling abrasive jet nozzle and drilling hole performance. Adv Mater Res 291-294:3434–3439. https://doi.org/10.4028/www.scientific.net/AMR.291-294.3434 CrossRefGoogle Scholar
- 23.Robinson Smart DS, Rufus DP, George L (2014) Experimental investigation of effect of rotary abrasive jet nozzle on coating removal rate and surface finish. Adv Mater Res 1043:165–171. https://doi.org/10.4028/www.scientific.net/AMR.1043.165 CrossRefGoogle Scholar
- 24.Li XH, Yang SC (2008) Mechanism research on the swirling air flow compounded with magnetic-field finishing. Adv Mater Res 53-54:51–55. https://doi.org/10.4028/www.scientific.net/AMR.53-54.51 CrossRefGoogle Scholar
- 27.Srikanth DV, Sreenivasa Rao M, Seshu Kumar A (2015) Application of RSM for optimal response of process parameters on machining of CFRP composites by using AJM. Int J Modern Trends Engineering Res 2(7):1682–1689Google Scholar
- 28.Singh S, Shrivas SP, Dewangan S (2015) Analysis the machining effect of CFRP material using AJM. J Harmonized Res 3(4):151–155Google Scholar
- 30.Arola D, Ramulu M (1996) A study of kerf characteristics in abrasive waterjet machining of graphie/epoxy composite. Transactions ASME 118(2):256–265Google Scholar
- 31.Srikanth DV, Sreenivasa Rao M (2014) Machining of FRP composites by abrasive jet machining optimization using Taguchi. Int J Mechanical, Aerospace, Industrial, Mechatronic Manuf Eng 8(3):632–636Google Scholar
- 33.El-Domiaty A, Abd El-Hafez HM, Shaker M (2009) Drilling of glass sheets by abrasive jet machining. World Acad Sci Eng Technol 56:61–67Google Scholar