EDM (Electrical Discharge Machining) Hole Popper Machine, also known as EDM Hole Drilling Machine or EDM Hole Sinker Machine, is a type of precision machining equipment used to create small, precise holes in conductive materials using electrical discharge erosion.

EDM Hole Popper machines use a process called EDM hole drilling, which involves creating holes in the workpiece using a series of rapid electrical discharges between an electrode (tool) and the workpiece, separated by a dielectric fluid. The electrical discharges create small, controlled sparks that erode the material and form a hole with high accuracy and repeatability.

EDM Hole Popper machines are commonly used in industries such as aerospace, automotive, medical, and electronics, where precise, small-diameter holes are required in materials such as steel, stainless steel, brass, copper, and other conductive materials. These machines are capable of creating holes with diameters as small as 0.05 mm (0.002 inches) and can achieve high aspect ratios (hole depth to diameter ratio) with excellent surface finish and minimal heat-affected zone.

EDM Hole Popper machines may come with various features, such as CNC (Computer Numerical Control) capability for automated and programmable operation, automatic tool changers, advanced flushing systems for efficient debris removal, and sophisticated control systems for precise control of parameters such as spark energy, pulse duration, and electrode wear compensation.

EDM Hole Popper machines are commonly used for applications such as cooling holes in turbine blades, fuel injection nozzles, medical implants, printed circuit boards (PCBs), and other precision components that require high-quality, small-diameter holes with tight tolerances.