The Ravensburg KL 3-800 is a heavy-duty CNC lathe — sometimes referred to as a turning centre — dating from 1988 and manufactured in Germany. Lathes of this class are used for precision turning, facing, boring, and threading of large, heavy workpieces, and are found throughout the heavy engineering, energy, shipbuilding, and defence industries. Ravensburg is a recognised German machine tool builder with a long history of producing large-capacity, high-precision lathes for demanding industrial applications.
This machine is controlled by a Siemens 8T CNC unit and operates across six axes, placing it firmly in the high-specification segment of heavy turning equipment. The main motor delivers 95.5 kW, and the spindle turns at speeds ranging from 4 to 400 rpm, making the machine suitable for both heavy roughing passes at low speed and finer finishing work at higher speeds. Maximum torque is rated at 40,000 Nm, reflecting the machine's capacity for aggressive material removal on large components.
The turning dimensions are substantial. The turning diameter over the bed reaches 2,500 mm, while the turning diameter over the telescopic covers is 2,200 mm and over the slide 1,400 mm. Turning length is 6,000 mm, accommodating very long shafts and cylindrical parts. The spindle bore measures 200 mm. The machine has been modified to include a 2,000 mm face clamping plate, which broadens its capability for disc-type and flange workpieces. The clamping table for three chucks is also 2,000 mm. Workpiece weight capacity ranges from 4,500 to 40,000 kg, underlining the heavy-duty nature of this lathe.
The tool system features a Sauter four-sided tool holder with four positions, complemented by a circular turning unit for additional versatility. A hydraulic clamping system by Röhm is included, along with a slide configured with two working positions. Further equipment supplied with the machine includes a tailstock, a chip conveyor, and a COF device. The lathe is available immediately from its location in the Netherlands.
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