Summary

The Starrag Berthiez RVU 1100/100 is a vertical grinding and turning center designed for high-precision grinding, turning, and drilling of large components. It provides complete machining in a single setup, supporting applications in industries such as bearing and aerospace manufacturing. Distinguishing features include hydrostatic table bearings, water-cooled grinding spindles up to 45 kW at 18,000 rpm, high concentricity (<2 μm), and multi-axis head tilt for complex geometries.

Key Capabilities

• High-precision grinding with concentricity and axial run-out accuracies <2 μm
• Complete machining (grinding, turning, drilling) in a single setup
• Up to four water-cooled grinding spindles, 45 kW at 18,000 rpm
• Hydrostatic thrust bearing and torque motor-driven rotary table for vibration damping and torsional stiffness
• Adjustable grinding head tilt from -5° to +275° with Hirth coupling fixation
• Optional features for hard metal machining, boring, and integrated workpiece measurement
• Automated or partially automated balancing, process monitoring, and dynamic dressing units

Key Specifications