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

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About this lot

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 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
Lot number:
A7-39548-5
Sold by:
Company seller

Lot specifications

Quantity
1
Margin
No
Brand
TBT
Type
ML 300-4-1450
Year of build
2006
Serial number
106292-11
Drilling capacity
20mm
Speed till n=
1500rpm
Stepless speedcontrol
Yes
Drilling depth
1450mm

Documents

Attention please!
Pick-up days: Loading: 04.12-18.12.2025 Viewing: 27.11.2025, 8 a.m. - 12 p.m. Only by appointment to david.polotzek@surplex.com Payment term: within three days Please note that all items – unless expressly stated otherwise – are sold used and unchecked. The respective article description is decisive. For detailed information on guarantee and warranty conditions, please refer to the auction conditions. Note: Late pick-up may incur additional storage, handling or dismantling costs that will be borne by the buyer.

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