Spark controller micro controller based edm logic provides: high reliability, very low break down rate, high performance in machining, good surface finish on actual job, and low power consumption. Machine tool: compact and rigid design; machine base with honeycomb structure, hardened and ground lead screws, depth setting instruments of mitutoyo make, and operator riendly drain system. Standard accessories: axis corrector with third axis alignment; vee holder for square and round shank, flush aid, flushing pot and small electrode holder. Optional accessories: digital read out system for 2-axis/3-axis and rotary assembly for electrode