A study on ultrasonic vibration-assisted electrical discharge machining (UVEDM) micro-hole, which mainly includes three key designs, was conducted to improve the performance of electric (EDM) micro-holes TC4 titanium alloy. First, a mathematical model for velocity flow field in interelectrode gap established. Consequently, effect presence or absence vibration analyzed. Furthermore, based COMSOL...

The paper deals with design, modelling, and testing of an ultrasonic (US) chain torsional vibrations that includes a tool at its end could be used for different industrial applications such conventional nonconventional machining revolution, helicoidal, curved surfaces or various types materials. US horn helicoidal channel whose profile was studied aiming growing the amplification amplitude tool...

Electrical discharge machining is an electro-thermal technique where the recast layer on a machined surface and heat-affected zone (HAZ) immediately below are prevalent. As result, assessing white (recast layer) in EDM critical task. In this research, response-surface methodology-based comprehensive mathematical model was developed to predict white-layer thickness (WLT) electrical machine-proce...

The objective of this paper is to study the effect of the various process parameters i.e. peak current, noload voltage, pulse on time and duty cycle on response parameters by mixing silicon powder in the dielectric fluid of the Electric Discharge Machining (EDM). Response surface methodology (RSM) is used for investigating the effect on these parameters. Central composite design (CCD) is used f...

Powder mixed electrical discharge machining (PM-EDM) is a technological advancement in (EDM) processes where fine powder added to dielectric improve the rate and surface quality. In this paper, of Nimonic-90 was carried out using fabricated PM-EDM, setup by adding silicon kerosene oil. The influence four input process parameters viz. concentration (PC), current (IP), spark on duration (SON), of...

EDM is an unconventional electro thermal machining process used for manufacturing geometrically complex or hard material parts that are extremely difficult-to-machine by conventional machining process. The process involves a controlled erosion of electrically conductive materials by the initiation of rapid and repetitive spark discharges between the tool and work piece separated by a small gap ...

In this study, the effect of input parameters of Electro Discharge Machining (EDM) process including polarity, peak current, pulse on time, duty cycle, gap voltage and concentration of abrasives powder in dielectric fluid on surface roughness are experimentally investigated. A L18 Taguchi’s standard orthogonal array is used for experimental design. Copper is used as tool electrode to machine H1...