
Grob’s Vario Rotary Table Elevates Precision and Stability in Turbine and Thin-Walled Part Machining!
By Ashutosh Arora
Grob Systems Inc. has introduced the Vario Rotary Table, a high-precision solution engineered to enhance the machining of bladed turbine components, thin-walled structures and other geometrically challenging parts. Designed for applications that demand exceptional stability and fine surface finishes, the system brings advanced flexibility and accuracy to Grob’s five-axis G350 and G550 universal machining centers.
At the core of the Vario Rotary Table is its customizable modular architecture, which allows manufacturers to configure the system from a standard base version up to advanced setups featuring two dynamic, direct-drive B axes. These independently operating B axes use specialized drive configurations that minimize machining stresses during roughing while preventing component distortion during finishing. The result is a consistently high surface quality, even on difficult-to-machine materials and complex blade geometries.
Supporting both small and large components, the Vario Rotary Table integrates a movable counter-holder axis that accommodates part lengths up to 27.6 inches (700 mm). This ability to stably support slender or lengthy workpieces makes it especially effective for aerospace turbine blades, energy-sector components and precision thin-wall structures.
Designed for maximum versatility and performance, the system ensures smooth, distortion-free machining, high dimensional accuracy and exceptional repeatability across varying materials and part geometries. The Vario Rotary Table provides manufacturers with the flexibility needed to optimize surface quality, increase reliability and expand their production capabilities for demanding turbine and high-precision applications.
By combining configurable motion control, enhanced rigidity and broad part-handling range, Grob’s Vario Rotary Table reinforces the company’s commitment to providing intelligent, high-performance solutions for advanced machining environments.
















