FEATURES: The X.Y.Z.axes utilizes high precision ball screw. Guide by means of ball linear guide way. Servomotor driving with Japanese1μm or 5μm digital linear scale feed back. Three kinds of safety protection design. Equipped with fire prevention system. Oil temperature monitor and automatic fire extinguisher. Has an auto-detective electrical discharge circuit system to prevent carbon accumulation and electrode wear. Utilizes ultra vibration frequency circuit. Design for rapid fine finishing and prevent surface hardening and enable mold surface polishing. 32 bits industrial P.C.Control. Producivity.Good accuracy and easy for operation. SPK CNC EDM contain 18kinds of wire contour. Provided with automatic mold. Approach and central point seeking function. Providing more rapid mold calibration