Grob G320 - Two-Spindle Modular Machining Center

Description

The G320, a modular machining center in the G-series with two spindles, is a compact solution by GROB designed for highly flexible automotive manufacturing lines. To boost production efficiency, two parallel motorized spindles enable simultaneous machining of two parts. With the pallet changer option, the G320 ensures dynamic and cost-effective manufacturing without extra change-over times.

Benefits

  • Slimmer machine width
  • Extended tool length capacity
  • Quick tool changeover
  • Versatile application scope
  • Contemporary machine design
  • Expandable tool slots in the magazine
  • Smart power unit layout
  • Highly efficient loading concept

Technical Data

Working travels 650/850/870 in X-/Y-/Z-axis (mm)

Max. speeds 95/60/120 in X-/Y-/Z-axis (m/min)

Interference diameter 2x698 (mm) 

Chip-to-chip time t1 2.0 according to VDI 2852 (s) relative to speed (rpm)

Distance between spindles 700 (mm)

Positioning accuracy 0.006 in X-/Y-/Z-axis (mm) 

Total weight 20,000/27,000 without/with pallet changer (kg)

Table load 2x350/2x275 without/with pallet (kg) (A-/B-axis)

Machine Concept

Machine concept

Decoupled axes

Modular configuration

Highly economical

Completely future-proof

Elements

Stator housing

Control arm

Crankcase

Transmission case

Knuckle

Front Knuckle

Spindle variants

In addition to the broad range of spindles, the motorized spindles designed and produced by GROB itself are the preferred choice for optimized process design.

Motorized spindle versions

  • HSK-E40, 17.4 Nm, 42,000 rpm
  • HSK-A63, 82.8 Nm, 12,000 rpm
  • HSK-A63, 206 Nm, 16,000 rpm
  • HSK-A63, 46.6 Nm, 21,000 rpm
  • HSK-A63, 63 Nm, 30,000 rpm

GROB Spindle Diagnostics (GSD)

GROB spindle diagnostics is an automated system that monitors the condition of the motorized spindle. Benefits include extending the useful life of the motorized spindle, reducing tool wear, and scheduling maintenance.

GROB Chip-in-Spindle Detection System (SiS)

This system can identify tool clamping issues caused by chips between the mating surfaces and the spindle nose from 10 μm early on.

Automation

Loading system

Transportation and automation components

Pallet Changer System

Do You Need Help?

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