Máy mài tròn CNC / máy mài trục lăn 600 x 4000 mm

KRAFT / Praise TT60-40L-C2-H

CNC cylindrical / roll grinding machine KRAFT / Praise TT60-40L-C2-H, used – Ø 600 x 4,000 mm, Siemens

Traveling-table CNC grinder for rolls and heavy shafts up to 4,000 mm between centres and 3 t between centres. Built 2016/2017 by Praise Machinery, Taiwan, and hardly used since. Located in Einbeck (Germany), available at short notice. Inspection by appointment.

Technical data (manufacturer's spec sheet):
- Swing over bed: 600 mm
- Distance between centres: 4,000 mm
- Centre height: 320 mm
- Max. workpiece weight: 3,000 kg between centres, 6,000 kg on steady rests
- Control: Siemens Sinumerik CNC, Siemens drives
- Grinding wheel: 760 x 100 x 304.8 mm, 45 m/s, wheel motor 22.5 kW, stepless spindle speed
- X-axis travel 315 mm, 0.0005 mm/pulse; Z-axis travel 4,400 mm, 10–6,000 mm/min
- Workhead speed 8–80 rpm, 11.25 kW
- Tailstock quill stroke 100 mm, MT 6
- Accuracy: roundness and cylindricity 0.002–0.005 mm, Ra ≤ 0.3 µm
- Hydrostatic/hydrodynamic lubrication of wheelhead and carriage
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- Connected load approx. 45 kW, 400 V / 50 Hz
- Footprint approx. 13,000 x 2,900 x 1,800 mm, weight approx. 14.7 t

Equipment:
- Swivel workhead 0–90°
- Electromechanical tailstock quill with foot pedal
- Crowning device (type C2)
- Grinding wheel guard sensor
- 4-jaw chuck
- 2 two-point steady rests (neck Ø 100–300 mm)
- Dresser, wheel flange with puller, dial gauge, magnetic base
- Coolant system with magnetic and paper band filter
- Full enclosure with sliding doors, telescopic covers
- Electrical cabinet with air conditioner
- CE documentation, operating manual

Dismantling, transport and re-installation can be arranged. Price on request.