This paper focused on evaluation of machining parameters influencing thrust force during drilling of Al–SiC–Gr metal matrix composites using multifaceted carbide drills. There are three machining parameters i.e. Spindle speed, Feed rate, Drill diameter. Experiments are conducted on a vertical machining centre using Taguchi design of experiments. Taguchi orthogonal array is designed with three l...

This paper presents the optimization of CNC turning parameters for EN 16 steel bar using the Grey Taguchi Method. A plan of experiments based on Taguchi’s L27 orthogonal array was established and turning experiments were conducted with prefixed cutting parameters for EN 16 steel bar using tungsten carbide tool. The turning parameters are cutting speed, feed rate and depth of cut and the respons...

Electric discharge machining (EDM) is a ‘newer technology utilized to machine hard metals, alloys, composites and ceramics. This paper reports the experimental investigation carried out on EDM to study the effects of machining parameters such as pulsed current on material removal rate, depth of cut, overcut, tool wear (net weight lost) and hardness on En-31 tool steel The work material was elec...

The current study presents an investigation on the optimization of injection molding parameters of HDPE/TiO₂ nanocomposites using grey relational analysis with the Taguchi method. Four control factors, including filler concentration (i.e., TiO₂), barrel temperature, residence time and holding time, were chosen at three different levels of each. Mechanical properties, such as yield strength, You...

This paper introduces a study on multi-objective optimization of dressing parameters in internal grinding SKD 11 tool steel using Grey based Taguchi method. The L27 orthogonal array the method was selected to design experiments. input process are depth fine, time fine dressing, coarse non-feeding and feed rate. output factors surface roughness (SR) material removal rate (MRR). A grey relation g...

In the current study, an optimization process of powder-mixed electrical discharge machining (PMEDM) when cylindrically shaped parts made hardened 90CrSi steel is reported. this SiC powder was mixed into Diel MS 7000 dielectric solution. Additionally, graphite chosen as electrode material. The multi-objective functions were minimizing surface roughness (SR) and wear rate (EWR) maximizing materi...

Warpage and shrinkage control are important factors in proving the quality of thin-wall parts in injection modeling process. In the present paper, grey relational analysis was used in order to optimize these two parameters in manufacturing plastic bush of articulated garden tractor. The material used in the plastic bush is Derlin 500. The input parameters in the process were selected according ...

Nowadays, in order to reach minimum production cost in machining operations, various optimization methods have been proposed. Since turning operation has different parameters affecting the workpiece quality, it was selected as a complicated manufacturing method in this paper. To reach sufficient quality, all influencing parameters such as cutting speed, federate, depth of cut and tool rake angl...

AISI-D6 steel is widely used in the creation of dies and molds. In present paper, first electrical discharge machining (EDM) aforementioned material performed with a testing plan 32 trials. Then, artificial neural networks (ANN) adaptive neuro-fuzzy inference system (ANFIS) were applied to predict outputs. The effects some significant operational parameters—specifically pulse on-time (Ton), cur...

in this study, the application of gray relational analysis (gra) and taguchi method in multi-criteria process parameters selection of turning operation has been investigated. the process responses under study are material removal rate (mrr) and surface roughness (sr); in turn, the input parameters include cutting speed, feed rate, depth of cut and nose radius of the cutting tool. the proposed a...