Traditionally, electrical discharge machining (EDM) or conventional laser tools have been used to manufacture a range of precision medical devices. However, these manufacturing methods cannot be used to achieve the miniature features, precision, surface quality, and yields required for manufacturing microfluidic devices for clinical lab-on-a-chip applications, precision drug-delivery catheters,...

In this paper, the crack phenomenon of different materials was studied according to surface morphology recasting layer micro EDM workpiece. high-speed steel and titanium alloy are used as workpiece materials, RC pulse power supply is for electric discharge machining. The profile recast examined by scanning electron microscopy. difference between two in spark machining analyzed. Finally, some im...

Abstract The electrode is an essential tool in electrical discharge machining (EDM). quality and efficiency of EDM are directly determined by the performance materials. Copper tungsten alloy (CuW50) pure copper cuboid electrodes were fabricated wire-cut (WEDM). parameters processing current, pulse width selected as test variables, single-factor experiment was carried out on SKD61 die steel with...

Compared with traditional EDM, ultrasonic vibration assisted EDM (UEDM) shows better performance in machining efficiency and surface quality. However, the material removal process of UEDM is complex, there are many influencing factors. It difficult to describe accurately. In this study, based on voltage variation during processing combined heat transfer theory, model TC4 titanium alloy under co...

Metal matrix composites, in particular, Aluminium Matrix Composites are gaining increasing attention for applications in aerospace, defence and automobile industries. The use of nonconventional machining techniques in shaping aluminum metal matrix composites has generated considerable interest as the manufacturing of complicated contours such as dies. Electrical discharge machining (EDM) appear...

Electrical Discharge Machining (EDM) is one of the most popular non-conventional machining processes that are being used in many high precision manufacturing industries. To increase EDM performance, a hybrid technique, namely, powder mixed electrical discharge (PMEDM) generally for getting more precise requirements. In this study, an experimental investigation carried out order to explore perfo...

Powder mixed electro discharge machining (PMEDM) is a hybrid process in which dielectric fluid with electrically conductive powder particles for enhancing surface quality and material removal rate. Cryogenic treatment was brought this to improve tool life cutting properties. In research, silicon carbide (SiC) (EDM) has been performed AISI 304 machining. Experiments have carried out study the ef...

The experimental work of this study leads with electro discharge machining (EDM). A system for machining in this process has been developed. Many parameters are studied such as current, dielectric fluid, thickness of the workpiece. The main aim of this work is to calculate the metal removal rate (MRR), electrode wear (EW) using copper electrode when machining stainless steel 304 specimens of th...

Purpose: In this paper, the effects of various process parameters of WEDM like pulse on time (TON), pulse off time (TOFF), gap voltage (SV), peak current (IP), wire feed (WF) and wire tension (WT) have been investigated to reveal their impact on material removal rate of hot die steel (H-11) using one variable at a time approach. The optimal set of process parameters has also been predicted to m...