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GROB G320

G320

Modular machining center
With its G320, the G-series two-spindle machining center, GROB offers a compact and modular machine variant for use in highly flexible manufacturing lines in the automotive sector.
To increase efficiency in the production process, two motorized spindles arranged in parallel machine two parts at the same time. Having the pallet changer option, the compact G320 guarantees dynamic and economic manufacture without additional change-over times.
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Automotive
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)
All technical data
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)
The benefits at a glance
checkboxReduced machine width
checkboxMaximum tool length
checkboxFast tool change
checkboxBroad range of applications
checkboxModern machine design
checkboxExpandable tool pockets in the tool magazine
checkboxIntelligent power unit arrangement
checkboxHighly effective loading concept
Unique machine concept
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.

Pure technology in the smallest space
Tilting rotary table

Almost limitless machining potentials thanks to the largest possible swivel range

Chip disposal

Uninterrupted part machining with chip disposal by a scraper-type conveyor

Horizontal motorized spindle

For meeting the toughest cutting requirements

Control system

Latest machine control systems from SIEMENS available

Electrical cabinet

Optimized access and simple orientation for preventive maintenance and inspection

1
Tilting rotary table

Almost limitless machining potentials thanks to the largest possible swivel range

2
Chip disposal

Uninterrupted part machining with chip disposal by a scraper-type conveyor

3
Horizontal motorized spindle

For meeting the toughest cutting requirements

4
Control system

Latest machine control systems from SIEMENS available

5
Electrical cabinet

Optimized access and simple orientation for preventive maintenance and inspection

Fully automated manufacturing with GROB
GROB machining technology is custom-designed and delivered, and so provides the best possible solution for specific requirements.
Fully automated manufacturing with GROB
Typical machining operations
Stator housing
IndustryAutomotive
MaterialAluminium alloy
Motorized spindle12,000 rpm
Power/torque40 kW/161.4 Nm
Control arm
IndustryAutomotive
MaterialAluminium alloy
Motorized spindle18,000 rpm
Power/torque29 kW/34.6 Nm
Crankcase
IndustryAutomotive
MaterialAluminium alloy
Motorized spindle18,000 rpm
Power/torque29 kW/34.6 Nm
Transmission case
IndustryAutomotive
MaterialAluminium alloy
Motorized spindle18,000 rpm
Power/torque29 kW/34.6 Nm
Knuckle
IndustryAutomotive
MaterialAluminium alloy
Motorized spindle17,000 rpm
Power/torque40 kW/64 Nm
Front Knuckle
IndustryAutomotive
MaterialAluminium alloy
Motorized spindle17,000 rpm
Power/torque40 kW/64 Nm

Spindle versions

Besides the broad range of spindles, the motorized spindles designed and produced by GROB itself are the preferred choice for optimized process design. These are optimally matched to the G320 and have optimized quality features.

Motorized spindle versions
  • HSK-A63, 47 Nm, 12,000 rpm
  • HSK-A63, 47 Nm, 18,000 rpm
  • HSK-A63, 83 Nm, 12,000 rpm
  • HSK-A63, 86 Nm, 17,000 rpm
  • HSK-A100, 185,5 Nm, 12,000 rpm
  • HSK-A100, 340 Nm, 6,000 rpm
  • HSK-A100, 344 Nm, 6,000 rpm
  • HSK-A100, 340 Nm, 10,000 rpm
GROB Spindle Diagnostics (GSD)

GROB spindle diagnostics is a system that automatically monitors the condition of the motorized spindle. Benefits are a prolonged motorized spindle useful life, reduced tool wear and scheduled maintenance.

GROB Chip-in-Spindle Detection System (SiS)

This system is able to detect at an early stage tool clamping faults caused by chips between the plain surface and the spindle nose from 10 μm. So the machining process is optimized and rejects and damage are avoided.

Tool magazine

GROB tool magazine technology is set apart by fast chip-to-chip times, a smaller space requirement and optimized accessibility. Choose the right solution for you.

 

  • Single-disk magazine
     
  • Double-disk magazine
     
  • Triple-disk magazine

Control systems

Choose between the latest and most powerful CNC control systems from market leaders for the G320:

 

  • SIEMENS (standard)

 

  • FANUC (option)

Automation solutions

Draw on the experience we have garnered over several decades and benefit from the automation technology we tailor to meet your needs – from solutions with part storage systems to highly flexible manufacturing lines.

Loading systems
Loading systems

The G-series is designed for efficient work area loading. All loading devices are GROB proprietary developments, and so the individual components are guaranteed to be optimally matched.

Loading systems

Top loading

  • Agile loading gantry
  • Cartesian linear gantry
  • Cartesian linear gantry with telescope

 

Front loading

  • Automatic sliding changer
  • Swiveling changer
Transportation and automation components
Transportation and automation components

Together with the GROB automation system, the transport and automation components create a module from which complex automation systems can be combined. The high degree of standardization ensures the best possible price/performance ratio and a high degree of technical optimization.

Transportation and automation components
  • Automation system
  • Lifts
  • Swivel conveyors
  • Rotary tables
  • Lift transverse units
  • Swivel units
  • Storage systems
  • SPC stations
  • Zero-point clamping systems
  • Adapter plates
Pallet changer system
Pallet changer system

The integrated pallet changer system allows dissimilar part types to be machined in parallel on one and the same machine without change-over times.

Pallet changer system

Thanks to maximum machine capacity utilization, better economy is achieved and reactions to capacity adjustments are even more flexible.

GROB Service
Customer service

GROB SYSTEMS, Inc.
Phone:  +1 (419) 358-9015
E-mail:   info@us.grobgroup.com

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