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RAFAMET KCF 320 / 350

Faceplate diameter: 3,200 mm
Swing diameter: 3,500 mm
Turning height: 2,200 mm
Dimensions (L x W x H): 7,730 x 6,240 x 6,700 mm
Control system: Type 840 D sl
Voltage: 3 x 400 V
Frequency: 50 Hz
Speed: 0.8 – 40 rpm
Max. turning diameter: 3,500 mm
Total power requirement: 51 kW
Machine weight: approx. 86 t

Technical Data

Type of machine: CNC vertical lathe
Manufacturer: Rafamet
Year of manufacture: 1973 (conventional)
Completely overhauled and retrofitted with control system in 2010
Control system upgrade: 2016
Control: Siemens 840 D sl
Condition: Very good

Faceplate
Turning diameter of faceplate: 3,200 mm
Number of speed ranges for faceplate: 3 (infinitely variable)
Speed ranges for faceplate: 0.8 – 40 rpm
Stage I: 0.8 – 3 rpm
Stage II: 0.8 – 11 rpm
Stage III: 0.8 – 40 rpm

Workpiece machining
Max. turning diameter: 3,500 mm
Max. turning height above faceplate: 2,200 mm

Vertical slides
Minimum axis distance between vertical slides: 470 mm
Maximum ram travel of left vertical slide: 985 mm
Maximum ram travel of right vertical slide: 985 mm
Feed rates – stepless feed
max. X1,2: 3 m/min
max. Z1,2: 2.5 m/min
Ram not swiveling

Cross rail
Rapid traverse of cross rail: 600 mm/min
Maximum distance from cross rail to faceplate: 2,300 mm

Load parameters
+ Permissible turning force when machining workpieces with a turning diameter of 2,000 mm and a cutting speed of 20 m/min: 8,000 kg

+ Maximum chip section for steel workpieces Fz = 50 kg/mm² at a cutting speed of 20 m/min for all tool slides: 45 mm²

+ Maximum chip section for steel workpieces Fz = 50 kg/mm² at a cutting speed of 20 m/min for one vertical tool slide, at maximum ram length 985 mm: 2.5 mm²

+ Maximum chip section for cast iron workpieces HB = 160 kg/mm² at a cutting speed of 20 m/min for all tool slides: 120 mm²

+ Maximum chip section for cast iron workpieces HB = 160 kg/mm² at a cutting speed of 20 m/min for one vertical tool slide, at maximum ram length 985 mm: 22.5 mm²

+ Maximum permissible workpiece weight at 0.8 – 3.15 rpm: 17,500 kg
+ Maximum permissible workpiece weight at 4 – 40 rpm: 7,500 kg

Electric motors
Power and speed of main drive motor: 51 kW
Power of feed motors:
– Vertical slide rail (2 units): 16 Nm (gear ratio 1:10)
– Ram (2 units): 16 Nm (gear ratio 1:12)
Power and speed of hydraulic pump drive motor (2 units): 3 kW – 1,500 rpm
Power and speed of vertical carriage clamp hydraulics: 1.5 kW – 1,500 rpm
Power and speed for cross rail adjustment: 15 kW – 1,500 rpm

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Compressed air supply
Compressed air connection: 6 bar, oil- and water-free

Energy consumption and conditions
Voltage: 3 x 400 V
Control voltage: 24 V
Frequency: 50 Hz
Main fuse: 315 A

Main dimensions and weight of the machine
Length: 7,730 mm
Width: 6,240 mm
Height: 6,700 mm
Weight: 85,750 kg

Tooling:
Capto 60 interface
Non-driven

Front plate
Turning diameter of front plate: 3,200 mm
Clamping plate diameter: 3,400 mm
Number of rotation stages for front plate: 3 (infinitely variable)

- further speed ranges for front plate interrupted -

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