Hours 81860,84h
Description:
The TBT ML 300-4-1450 is a high-precision, four-spindle deep hole
drilling machine for gundrilling (ELB method). It enables parallel
multiple machining with high surface quality and drilling accuracy. It
has a robust design, Siemens control system and integrated cooling and
high-pressure systems.
Specifications:
Number of spindles: 4
Spindle spacing: 120 mm
Drill carriage stroke: 750 mm (depending on loss length)
Drilling range (in steel St 60): Ø 4 – 20 mm
Drilling depth: approx. 1,450 mm
Drilling system: Gun drilling (ELB)
Electrical data:
Operating voltage: 400 V AC
Frequency: 50 Hz
Total connected load: 55 kW
Rated current: 110 A
Main fuse: 315 A
PLC control: Siemens S7-300
Control panel: Siemens OP17
Drive units:
Spindle drive: Dietz FDRU 112 MC/4A-H – 4 kW per spindle / 1,500
min⁻¹
Feed drives (Z/W axis): Siemens 1FT5074, INA/Spieth ball screws
Feed speed: 10 – 15,000 mm/min
Rapid traverses: 15,000 mm/min
Tailstock / Workpiece Clamping:
Hydraulically adjustable tailstock – SEW S51224454 RF47DV132S2 –
5.5 kW – 254 min⁻¹
Pressure sleeve / timing belt / proximity switch: Spieth /
Balluff
Coolant and high-pressure system:
Coolant tank: pure oil 700 l / dirty oil 1,000 l
High Pressure Pump: Moog Radial Piston Pump – 18.5 kW – 1,500
rpm⁻¹ – 10 – 230 l/min – 33 bar
Conveyor:
Manufacturer: Astos
Type: Magnetic
Motor power: 0.37 kW
Speed: 1,370 min⁻¹
Chip quantity: approx. 75 kg/h
Auction-ID: A7-40658-11
