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VDF Boehringer VDF 250 Cm

Used CNC Lathe
Manufacturer: Boehringer
Model: VDF 250Cm
Year of Manufacture: 1997

VDF Boehringer 250C
The machine is equipped with the following features:
- 1000 mm turning length
- No tailstock
- Driven tools
- Special swiveling chuck
- Siemens 840C CNC control

The Boehringer VDF 250 Cm is a CNC lathe designed for chuck workpieces. It is distinguished by its robust construction and high-precision machining capabilities.

Technical Specifications (1997 Model Year)

Working Area:
- Swing diameter over bed: 550 mm
- Swing diameter over cross slide: 480 mm
- X-axis travel: 405 mm
- Z-axis travel: 1,099 mm
- Maximum turning length: 1,000 mm

(No) Tailstock:

Tool Turret:
- Number of stations: 12
- Tool holding: VDI 50 DIN 69880
- Driven tools: YES

Spindle:
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- Spindle nose: 8 DIN 55026
- Spindle bore: 103 mm
- Max. chuck diameter: 315 mm
- Max. drive power (50% duty cycle): 53 kW
- Max. torque: 780 Nm
- Speed range: 30–3,000 rpm

Feed Rates:
- Automatic feeds: 1–10,000 mm/min
- Rapid traverse speed: 10 m/min (X and Z axis)
- Max. feed force: 15 kN

Dimensions and Weight:
- Machine dimensions (L × W × H): approx. 5,400 × 3,200 × 2,400 mm
- Machine weight: approx. 11,000 kg

Equipment:
- Swiveling control panel
- HYDROKRAFT hydraulic system
- Coolant system with 600 l tank, pump pressure max. 5.5 bar, flow rate 60 l/min, pump power 1.1 kW
- Chip conveyor with 325 l tank capacity, right-hand discharge
- 3-jaw power chuck
- Oil mist extraction
- Electrical cabinet with cooling unit and temperature control by RITTAL

Control:
- SIEMENS SINUMERIK 840 C

Variants and Differences

There are several variants of the VDF 250 series, such as the VDF 250 CU, which may feature different controls (e.g., PHILIPS B2T) and technical specifications. Some models are equipped with driven tools and a tailstock, whereas others are designed as pure chucking machines without tailstock.

Conclusion

The Boehringer VDF 250 Cm is a versatile CNC lathe noted for its rigidity and precision. With its robust design and comprehensive features, it is ideal for processing chuck workpieces in various production environments.

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