TBT - ML 300-4-1450 - Deep Hole Drilling Machine

Technical data according to data sheet:
Drilling method: Lip drilling (ELB)
Number of Spindles: 4
Spindle spacing: 120 mm
Center height above floor: 1,150 mm
Drill carriage stroke: 1,450 mm
Drilling depth approx.: 700 mm
Drilling range (in steel St60): Ø 4 – 30 mm (max. Ø 35 mm)
Operating hours: 43.220h
Electrical data:
Operating voltage: 400 V AC
Frequency: 50 Hz
Total connected load: 50 kW
Rated current: 100 A
Main fuse: 125 A
Control: Siemens S7-300 with OP177
control panel
Processing unit:
Main spindle drive: Siemens 1PH7107-7QF02-0BKO – 9.0 kW – 1,500–9,000 rpm⁻¹
Spindle Ratio: 17K28/76 and 17K55/112
Spindle speed: 1,000–6,100 min⁻¹
Feed drive (Z-axis): Schneeberger / Siemens ball screw 40×10×1740 mm
Feed speed: 10–15,000 mm/min
Rapid traverse: 15 000 mm/min
Drive motor: Siemens 1FK7086-7AF71-1FH5 – 28 Nm – 3 000 rpm⁻¹

Workpiece clamping:
Tailstock drive: SEW RF47DV132S2 – 5.5 kW – 250 min⁻¹
Timing belt pulleys: 60 T10/35 and 97 T10/35
Pressure sleeve: Spieth DSM 30.1
Proximity switch: Balluff BES516-325-E5-Y-S4

Coolant and chip system:
Coolant system: HSD 400, pure oil 700 l / dirty oil 1 000 l
High Pressure Pump: Moog Radial Piston Pump – 7.5 kW – 2–194 l/min – 33 bar
Chip conveyor: Astos magnetic belt – 0.25 kW – 1 375 min⁻¹ – 450 mm usable width – approx. 75 kg/h

Additional units:
Chip centrifuge: Mayfran VBU 1000 – 1.5 kW – 500 l/min
Gravity filter: Resy 803/710 – 30 μm – 350 l/min
Submersible pump: Schmalenberger Z40-13/2-2.2 – 2.2 kW – 500 l/min
Air cooler: Sesino AP830-EB – 108,000 kJ/h – 0.9 kW
Hydraulic power unit: Mevesta – 0.37 kW – 7 l/min – 65 bar
Pneumatic unit: Bosch – 5–8 bar – filter fineness 40 μm