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G520 Modular machining center

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Code: #27707

Supplier: GROB-WERKE GmbH & Co. KG

The dynamic machining module with two spindles for a highly efficient series production.


  • GROB offers customers from the automotive sector its G520 two-spindle machining center, an autonomous machine variant for machining two parts in parallel.
    The G520 meets all the requirements of a modern manufacturing line with maximum flexibility and productivity. With an integrated pallet changer, this version machines dissimilar parts without additional change-over times.
    Axes decoupling
    To improve dynamics and rigidity and to achieve a compact configuration according to the modular concept, the motion axes of the G-modules have been divided into tool and part side.
    Modular configuration
    The standardized basic principle of the G-series permits a modularized manufacturing process with shorter throughput times and minimized part costs. This effectively reduces the number of assemblies while permitting a broad range of combinations.
    Extremely economic
    The G-modules are designed for both wet and dry machining. In the system overall, they require only a very small footprint and are optimized for short throughput times. Thanks to constant further development, energy-saving measures are already offered as standard.
    Completely future-proof
    The G-series considers increasingly shorter innovation cycles and fast product changes. Its reduced footprint and commissioning effort makes it a flexible partner for all manufacturing tasks and any process modification. 

  • - Working travels in X-/Y-/Z-axis (mm): 750/1,000/870
    - Max. speeds in X-/Y-/Z-axis (m/min): 95/70/120
    - Interference diameter (mm): 2x798
    - Chip-to-chip time t1 according to VDI 2852 (s) relative to speed (rpm): 2.1
    - Positioning accuracy in X-/Y-/Z-axis (mm): 0.006
    - Total weight without/with pallet changer (kg): 22,500/28,500
    - Table load without/with pallet (kg) (A-/B-axis): 2x625/2x525

  • - Reduced machine width
    - Maximum tool length
    - Fast tool change
    - Broad range of applications
    - Modern machine design
    - Expandable tool pockets in the tool magazine
    - Intelligent power unit arrangement
    - Highly effective loading concept