Sústruh-konvenčný-elektronický

KNUTH DL 425/4000 S

Turning length: 4000 mm
Swing diameter: 850 mm
Swing diameter in gap: 1150 mm
Swing diameter over cross slide: 520 mm
Spindle speed: 5.0 - 630 rpm
Tailstock: 6 Morse taper
Tailstock quill travel: 250 mm
Spindle bore: 100 mm
Max. workpiece weight: 4000 kg
Bed width: 600 mm
Travel - X axis: 500 mm
Travel - Z axis: 3700 mm
Rapid traverse X: 1800 mm/min
Rapid traverse Z: 3640 mm/min
Feed rates X: 0.04 - 4.8 mm/min
Feed rates Z: 0.08 - 9.6 mm/min
Feed rates Z1: 0.02 - 2.4 mm/min
Motor power: 20.0 kW
Machine weight approx.: 6800 kg
Dimensions: 6150 x 1500 x 1500 mm
Good / well-maintained condition (!!)
Original price at the time: approx. 65,000 Euro
Special price on request

Description:
- Extra-heavy, heavily ribbed, wide machine bed
- Sturdy, one-piece monoblock construction
- Induction-hardened and ground guideways
- Ensure long-term accuracy and minimal wear
- Massive headstock
- Equipped with high-precision, taper roller bearing main spindle
and 100 mm spindle bore
- Excellent running smoothness at maximum spindle speed
- Joystick control for X and Z feeds directly on the carriage
- Manually operated 4-step backgear transmission
- Powerful main spindle motor allows precise speed adjustment
and high torque for heavy machining
- Rapid traverse for X and Z axes for quick positioning of the carriage
and reduced non-productive times
- Adjustable overload clutch in the apron protects feed mechanism
against damage and downtime
- Central, user-friendly controls for feeds and thread pitches
- The feed gearbox offers a wide range of
diametral, inch, module, and metric threads
- Saddle and compound rest designed for high cutting forces
- Higher working accuracy
- User-oriented functions

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Scope of delivery:
- SINO digital readout
- TOS 3-jaw chuck Ø 400 mm
- 4-jaw face plate chuck Ø 800 mm
- 4-way toolpost
- Fixed steady rest 40-350 mm
- Travelling steady rest 30-120 mm
- Fixed centre
- Reducing sleeves
- Chuck guard
- Coolant system
- Machine levelling feet
- Work light
- Operating tools
- Operating manual

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