... milling head cross (Y axis), vertical (Z axis) moving and table longitudinal moving(X axis), three-axis(X/Y/Z) linkage ... , boring, drilling, reaming, taping and counter boring.The bed, double column, movable beam and fixed connecting beam constitute enclosed rigidity gantry frame ... move along the cross slide on vertical direction (Z axis), movable beam vertical move (W axis). The boring and milling head ...