Corvus NGB

Corvus NGB

Corvus bba


Corvus bpp


Corvus C-type


Corvus NGB – 5-axis CNC high-performance grinding machine, for large parts and high stock removal performance. The machine can be delivered with an X travel from 850 mm to 3100 mm. Standard A-axis or cylindrical grinding axes up to 1250 Nm torque. The tool table features a T-slots providing the flexibility to install a wide range of clamping systems, e.g. a magnetic chucking plate. Large loading robot with 4 pallets or arbo-arena fitted for tools with tool HSK-or ISO holder.



• Version with ball screws or linear motors on all axes

• CNC dressing unit

• Grinding wheel changer with 7 wheel packages and coolant manifolds.

• Grinding spindles with power up to 53 kW / HSK190

• Automatic steady rest and tailstock

6 controlled CNC axes with optimum precision for regrinding and production of broaching tools.

Broach profiling with high precision oscillation axis

CORVUS cType, grinding with higher performance for numerous applications.



X: 850, 1‘250, 2‘100, oder 3‘100 mm

longitudinal slide, linear motor, resolution up to 10 Nanometer


Y: 400 mm / 15 3/4″

cross slide, ball screw or linear motor, resolution up to 10 Nanometer


Z: 400 mm / 15 3/4″

vertical axis, ball screw or linear motor, resolution up to 10 Nanometer


A: ∞ ISO50

tool tray, resolution 0.000045°


C: 360°

rotation of the grinding head, resolution 0.000045°


FANUC 3x Series, 5 Machine Axes and options

15” TFT-Color monitor touch screen, USB 3.0

Loader :

Fanuc robot, 4 pallets or arbor arena with 24 positions
7-position disc loader for 21 grinding wheels

Grinding head:

Double grinding spindle with direct drive, HSK50 / HSK80 or grinding spindle HSK190 with permanent balancing unit, grinding wheels from Ø 30 to Ø 450mm
Optional: Grinding spindle with automatic clamping of HSK50 / HSK80, for wheel loader 10 kW (100%), 13 kW (60%), 24 kW (100%), 32 kW (60%) or 40 kW (100%), 53 kW (60%)


X-travel 850: L 2‘885mm, weight 12‘000 kg

X-travel1‘250: L 3‘285mm, weight 13‘500 kg

X-travel 2‘100: L 4‘135mm, weight 17‘000 kg

X-travel 3‘100: L 5‘365mm, weight 20‘500 kg