CNC Double Column Coordinate Boring and Milling Machine with independent NC Controlled Deep Hole Drilling Unit Kolb KBN G 120 Year of manufacture 1984 / Retrofitted with Heidenhain TNC 426 in 2006 Table size 2200 x 3240 mm Table load max. 14 t Table longitudinal travel X 3000 mm Main spindle cross travel Y 2180 mm Deep hole drilling support cross travel A - 2000 mm Spindle vertical travel Z 500 mm Distance between the columns 2750 mm; Spindle to table 100 - 1300 mm; Spindle diameter 224 mm Spindle drive motor rating 46 KW Spindle speeds 14 - 1400 rpm Spindle taper ISO 50 Drilling in steel ST60 : 100 mm diameter; Boring to 300 mm; Threading to M 125 x 3; Milling capacity 730 cm³/min.; Second support for Deep Hole Drilling: Spindle speeds for BTA and ELB boring 315 - 3150 rpm High pressure cutting oil delivery to spindle Chip- and oil collection and separation via Centrifuge. Very good condition Proposal number V(B)-5234