High precision machine with technologically advanced technical solutions, conceived to work seats and valve guides of all kinds of cylinder motor heads. Automatic centering system based on the spherical and flat air-float cushion crossed action principle, electronic motor control with variable speed and digital counter display (inverter). Universal, reliable and safe machine. Machining capacity with greatest
precision on all kind of seats on cylinder motor head with mm 600 max distance between first and last guide. Allows the machining from guides of 4 mm and seat diameters between 16 and 50 mm.