Lathe - cycle-controlled

MONFORTS KNC 8S / 3000

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Description of defect: The machine has 4 gears and was mainly operated in 3rd gear. The machine makes loud noises in 2nd gear and a noise can also be heard in 4th gear.


TECHNICAL DETAILS
Working range
Center width: 2,985 mm
Rotation diameter over bed: 830 mm
Rotation diameter over facing slide: 540 mm
Travel of the facing slide: 450 mm
Displacement of the top support: 250 mm
Bed width: 520 mm
Face slide width: 280 mm
Bed slide guide length: 600 mm
Turning tool cross-section: 32 x 32 mm
Spindle diameter in the front bearing: 180 mm
Spindle holder according to DIN 55027: size 11
Material passage: 130 mm
Inner taper of the spindle: metr. 140

Main drive
Three-phase motor, infinitely variable
Drive power (50/100% ED): 50/37 kW
Total speed range: 2 - 1,600 rpm
Gear stage I: 2 - 225 rpm
Gear stage II: 5 - 559 rpm
Gear stage III: 7 - 900 rpm
Gear stage IV: 18 - 1,600 rpm
Max. Torque at the spindle: 8,750 Nm
Speed control: 5 - 200%
Load display up to: 125%

Feed drive
Three-phase servo drives with mechanical safety clutch
Longitudinal feed force: 23,880 N
Planar feed force: 11,300 N
Rapid traverse speed longitudinal/plane: 6.8 / 4 m/min

Thread cutting range
Longitudinal and taper threads, pitch: 0.001 - 500 mm

Tailstock
Quill diameter: 125 mm
Quill stroke: 200 mm
Internal taper: MK 6

Tool equipment
Multifix quick-change tool holder: size D

Coolant system
Pressure: 3 bar
Delivery rate: 40 l/min

Machine dimensions
Length/width/height: 5,200 x 2,110 x 1,915 mm

Machine weight
Machine as transport unit: approx. 6,500 kg

The FX7002 filter visible in the pictures is not included in the scope of delivery.