Effect of cooling methods on hole quality in drilling of aluminium 6061-6T
MetadataShow full item record
The influence of cooling method and drilling parameters on hole production has been investigated experimentally and analytically by measuring the hole quality. A three-level, three-parameter experiment was conducted using design-of-experiment methodology. The three levels of independent input parameters were: for cooling method—flood drilling, minimum quantity lubrication (MQL) drilling and cryogenic drilling; for feed rate—0.2, 0.3 and 0.4 mm/rev; and for cutting speed—60, 75 and 100 m/min. The selected work and tool materials were aluminium 6061-6T and high speed steel (HSS), respectively. The measured output parameters were the three most widely used quality characteristics of drilled holes - diameter error, circularity and surface roughness. The results were analysed applying three methods: Pareto ANOVA, Taguchi method and traditional analysis. The findings revealed that the cooling method has a significant effect on diameter error (contribution ratio 88.27%), moderate effect on surface roughness (contribution ratio 41.74%) and relatively small effect on circularity (contribution ratio 23.64%). The best results for the dimensional accuracy and surface roughness were achieved by MQL drilling. Cryogenic drilling produced the best circularity results; however, in terms of dimensional accuracy and surface roughness it was the worst.
Showing items related by title, author, creator and subject.
Roufail, R.; Rasouli, Vamegh; Mokaramian, A.; Kamyab, Mohammadreza; Lagat, C.; Cavanough, G. (2013)Mineral exploration is in a race to employ drilling technology that can perform the exploration and drilling investigation in a fast and inexpensive manner. After an extensive study of the available drilling technologies ...
Prakash, Chander; Pramanik, Alokesh ; Basak, Animesh K; Dong, Roger ; Debnath, Sujan ; Shankar, Subramaniam; Singh, Sunpreet; Wu, Linda Yongling; Zheng, Hongyu Y (2021)In the present research work, an effort has been made to explore the potential of using the ad-hesive tapes while drilling CFRPs. The input parameters, such as drill bit diameter, point angle, Scotch tape layers, spindle ...
Effect of Machining Parameters on Tool Wear and Hole Quality of AISI 316L Stainless Steel in Conventional DrillingSultan, A.; Sharif, S.; Kurniawan, Denni (2015)© 2015 The Authors This paper focuses on the effect of drilling parameters on tool wear and hole quality in terms of diameter error, roundness, cylindricity, and surface roughness. In this work, the drilling was conducted ...