No abstract

Abrasive waterjet (AWJ) is a non-traditional machining process used for cutting ductile, brittle and hard materials. AWJ cuts almost all materials, absence of thermal distortion, high flexibility, smaller cutting forces, no heat affected zone and being environmentally friendly. In the present study an attempt has been made to study Depth of Cut (DOC) and Surface Roughness of laminated glass cut by AWJ. Jet Pressure (p), Speed of Traverse (u) and Flow rate of abrasive (ṁ) are varied at three different levels. A total of 27 experiments considering different levels of parameters have been carried out on a trapezoidal shaped laminated glass of 38 mm thickness. DOC is measured with height measuring gauge. The effect of parameters on surface roughness and DOC is obtained through main effect plot. Surface Roughness (Ra) values are measured at the wear region along cut direction. Dimensional analysis modelling for Ra is carried out to predict the model equation for Ra by Buckingham's π -method. Comparison of model average Ra and experimental average Ra is carried out to predict the suitability of the model.

The influence of process factors and the integrity of the surface roughness are investigated experimentally in the current study on the metals Al6061 and Al2024. In order to conduct vertical cutting tests for both base alloys, a mixed-level L9 orthogonal array is used. An optical emission spectrometer is used to analyze the chemical composition. SEM is used to analyse the microstructure of the materials used to discover tiny inertinitic precipitates in an aluminum matrix using ANOVA Table value. Mild steel was the tool employed, and surface topography and 2D roughness profile data were used to assess the surface integrity of cut surfaces. The experimental trials with various degrees of process parameters, such as Taguchi L9 orthogonal array. In determining surface roughness, speed, feed, and depth of cut are determined to be the most important variables.