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LOCH Präzisions Bohrtechnik Gmbh TB 1-4/E-600/2

DEEP-HOLE Drilling Machine TB 1-4/E-600/2 (completely overhauled used machine)

Working depth: max. 600 mm

Working diameter:
Solid drilling: 4 – 25 mm diameter in steel

Number of spindles:
2 deep drilling spindles, maintenance-free with lifetime grease lubrication

Drill spindle mount:
Short taper according to DIN 55027, Size 5

Center height: 250 mm

Center distance: 203.2 mm

Drilling system: Single-lip drilling

Main drive:
2 x 5.5 kW drive power per spindle, infinitely variable via frequency-controlled three-phase motor, constant power over the entire speed range.

Speed range: 1,000 – 6,000 rpm

Feed:
Infinitely variable feed via three-phase servo drive over precision ball screw and backlash-free preloaded nut.

Feed range: 0 – 300 mm/min
Extended feed up to max. 6,000 mm/min available on request

Rapid traverse: 6,000 mm/min forward and back

Coolant supply:
Internal coolant supply through drill spindle via carbide mechanical seal.

Spindle slide:
Robust construction with special spindle block design; spindle bearings are lifetime lubricated and maintenance-free.

Guide system:
Machine bed equipped with bolted, hardened, and ground linear guides. The spindle slide moves via circulating roller elements; feed is vibration-free and without stick-slip effect.

Drill bush holder:
Rigidly connected to the base frame with removable upper section for quick and easy exchange of drill bushes or coolant supply units.

Machine base:
Strongly dimensioned welded construction, stress-relieved annealed.

Clamping table:
Table plate made of special cast iron, fixed onto the base, with T-slots; the center slot is aligned with the drilling axis and serves as a guide slot for clamping elements.

Control system: SIEMENS Sinumerik 840 D (retrofit)

Operating sequence:
Single functions for machine set-up via push-button control.
Semi-automatic operation for manual loading via program start.

Machine monitoring:
With display of spindle speed, feed, drilling depth, and coolant pressure.

Safety device:
The tool area of the machine is protected by a sliding door, electrically interlocked with the control system, safeguarding against accidental or unauthorized opening during operation.

Electrical equipment:
All electric motors according to IEC standard. Separate switch cabinet containing all electrical safety and control devices necessary for operating the system.

Operation via conveniently positioned control panel within the working area.

The machine can be inspected and tested at any time upon request.

FURTHER INFORMATION ON REQUEST
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