מחרטת ראש

KRAFT FB-15 | FB-20 | FB-25 | FB-30

Headstock lathe KRAFT FB-15/20/25/30, brand new · 1500-3000mm faceplate · CNC or conventional.
BRAND NEW HEADSTOCK LATHE KRAFT FB SERIES – FOR LARGE FACEPLATE WORKPIECES, FLYING UP TO 2 T

The KRAFT FB series economically processes large, flat workpieces such as brake discs, flanges, wheels, bearing rings, or drum components. Four sizes with turning diameters from 1,500 to 3,000 mm and workpiece weights up to 2 t (flying) cover single-piece production to medium-sized series.

Available as a conventional or CNC version (Siemens, Fanuc, or Fagor), optionally with or without a tailstock, bed longitudinally or transversely.

KEY FEATURES

Robust construction
- Machine bed made of MEHANITE cast iron in one piece, bed width 450 mm, heavily ribbed
- Hardened bed guideways, stress-relieved annealing
- Guarantees long-term, highly precise operation without warping

High-precision main spindle – accuracy class G1
- Inductively hardened, spindle bore up to 230 mm (option)
- Spindle head in a compact design, large surface cross-ribs

Powerful drive
- Spindle motor 22 kW (29 kW optional), up to 600 rpm, high torque
- Stepless spindle speed as standard

CNC-capable from the factory
- X/Z servomotors from Fanuc or Siemens
- Ball screws X: Ø25 P5 C3, Z: Ø40 P10 C5
- Rapid traverse X/Z: 6/8 m/min

Flying workpiece machining – the headstock lathe advantage
- Workpieces clamped directly on the spindle head, without a tailstock
- Optimal for flat, disc-shaped components with a large diameter

OPTIONS

CNC Siemens/Fanuc/Fagor · constant cutting speed · PARAT tool holder · C-axis + driven tools/milling unit · tailstock · spindle bore Ø 230 mm · spindle motor 29 kW

MACHINE DATA – FOUR SIZES

KRAFT FB-15
- Turning diameter/faceplate: 1,500 mm
- Spindle speed: 4–600 rpm
- Z-axis travel: 1,000 mm
- X/Z servomotors: β12/3000i 1.8 kW / β22/3000i 3 kW
- Weight: approx. 7,000 kg, dimensions: 2200 × 2200 × 2500 mm

KRAFT FB-20
- Turning diameter/faceplate: 2,000 mm
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- Spindle speed: 4–600 rpm
- Z-axis travel: 1,000 mm
- X/Z servomotors: β12/3000i 1.8 kW / β22/3000i 3 kW
- Weight: approx. 7,500 kg, dimensions: 2200 × 2600 × 2750 mm

KRAFT FB-25
- Turning diameter/faceplate: 2,500 mm
- Spindle speed: 4–400 rpm
- Z-axis travel: 1,500 mm
- X/Z servomotors: 1FL6067 2.0 kW / 1FL6092 3.5 kW
- Weight: approx. 8,000 kg, dimensions: 2500 × 3000 × 3100 mm

KRAFT FB-30
- Turning diameter/faceplate: 3,000 mm
- Spindle speed: 4–400 rpm
- Z-axis travel: 1,500 mm
- X/Z servomotors: 1FL6067 2.0 kW / 1FL6092 3.5 kW
- Weight: approx. 10,000 kg, dimensions: 3000 × 3200 × 3350 mm

COMMON DATA FOR ALL SIZES

Turning length 330 mm · max. workpiece length 450 mm · bed width 450 mm · flying workpiece weight max. 3,000 kg · cross slide width 250 mm · X-axis travel 330 mm · spindle bore 155 mm (230 opt.) · spindle nose A2-11 (A2-15 opt.) · spindle taper 7 MK · 4 spindle speed stages · spindle motor 22 kW (29 opt.) · rapid traverse X/Z 6/8 m/min · 4-position tool holder, tool shank 32 × 32 mm

CUSTOMIZABLE TO YOUR REQUIREMENTS

Send us your specific application – workpiece spectrum, accuracy, desired control – we will configure the FB series according to your needs.

Attractive leasing and hire-purchase conditions available through our partners. On request, delivery including installation, commissioning and training of your operating personnel.

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