Features: - Heavily ribbed & tension released "Meehanite" machine frame. - Z axis precision linear guideway + ballscrew & fitted with Electro-Magnetic brake, driven by high performance D.C. Servo motor. - X & Y axis precision ballscrews, driven by high performance D.C. Servo motors. - "L" & "H" models 3 axes equipped with linear guideways & precision ballscrews. - Z axis programmable auto rough to fine sparking up to 12 steps. - Reverse Sparking ( Z axis upward sparking) function. - ½ centre finding.