UNION - BFT 105 - 1997 - Bench boring mill

Machine data: Machine dimensions: 6400x3750x3320 mm Net weight: 13500 kg Travel:

Z-axis, longitudinal table adjustment: 800 mm

W-axis, working spindle adjustment: 450 mm

B-axis, round table adjustment: 360 degrees

Smallest substep in the B-axis: 0.001 degrees

Working spindle, DC main drive:

Spindle diameter: 105 mm

Front spindle bearing diameter: 160 mm

Spindle nose in front of table front edge W = 0: 55 mm

Lowest position above table surface: 0 mm

Tool holder steep cone according to DIN 2080: 50 ISO

Max. drive power: 29 kW

Max. torque: 2500 Nm

Speeds, infinitely adjustable: 4 - 2500 rpm

Three-phase feed drives:

Max. feed forces for X and Y axis: 16,000 N

for Z-axis: 25,000 N

for W-axis: 5,000 N

B-axis holding torque: 23,000 Nm

B-axis machining torque: 2,500 Nm

Table group:

Table clamping surface: 1000 x 1250 mm

Centering hole in table H6: 250 mm

Max. table load (workpiece center max. 200 mm except table center): 4000 kg

T-slot width: 22 mm

T-slot spacing: 125 mm

Max. travel speeds:

Feed range for X, Y, Z axis: 1 - 6000 mm/min

Feed range for W-axis: 1 - 4000 mm/min

Rapid traverse for axes X, Y, Z: 15,000 mm/min

Rapid traverse for the W axis: 5,000 mm/min

B-axis: 3.2 rpm

Accuracies for the entire working area

Positioning accuracies according to VDI / DGQ 3441 in X, Y, Z and W:

Positioning uncertainty P: 0.020 mm

Middle. Position spreading width Ps: 0.010 mm

Reversing span U max.: 0.008 mm

Position deviation Pa: 0.008 mm