Milling machine

GROB-WERKE G550

For sale is a 5-axis machining center from the world market leader, GROB.
Model G550 with pallet changer.
Year of manufacture: 2013. Location: Switzerland.
The machine is in unparalleled, extremely good condition, has been used very little, and was only used for experimental purposes in an experimental toolmaking department.
Control system:
Siemens SINUMERIK 840D sl
Machining type:
5-axis simultaneous machining
Horizontally arranged motor spindle
Swiveling rotary table
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Automatic pallet changer
Travel distances:
X-axis: 800 mm
Y-axis: 950 mm
Z-axis: 1,020 mm
Rapid traverse rates:
X-axis: 65 m/min
Y-axis: 50 m/min
Z-axis: 80 m/min
Maximum axis acceleration:
9 m/s²
Maximum feed force:
8 kN
Positioning accuracy:
Positioning uncertainty X/Y/Z: 0.006 mm
Repeatability X/Y/Z: 0.004 mm
Main spindle:
Motor spindle
Tool interface: HSK-A63 / SK 40
Maximum spindle speed: 16,000 rpm
Spindle power ED 100 % / 40 %: 25 / 35 kW
Maximum spindle torque ED 100 % / 40 %: 160 / 223 Nm
Spindle bearing diameter front: 80 mm
Chip-to-chip time: approx. 4.2 seconds
Tool magazine:
Pick-up disk magazine
Tool interface: HSK-A63
Number of tool positions: 60
Maximum tool length: 465 mm
Maximum tool diameter without restriction of adjacent positions: 72 mm
Maximum tool diameter with free adjacent positions: 160 mm
Maximum tool weight: 8 kg
Maximum tilting moment: 12 Nm
Workpiece area:
Maximum pallet load: 700 kg
Maximum table load: 800 kg
Maximum workpiece diameter: 800 mm
Maximum workpiece height: 900 mm
Pallet system:
Automatic pallet changer
Pallet size: 630 x 630 mm
2 pallets
Coolant and media supply:
High-pressure internal coolant system: 80 bar
Minimum quantity lubrication: Lubrix V7
Switching between MMS and coolant
Pressure booster: 10 bar
Compressed air storage tank: 20 liters
Chip conveyor
Coolant and filter system
Electrical connection data:
Connection voltage: 3/PE 400 V AC
Frequency: 50 Hz
Rated current: 55 A
Fuse rating: 160 A
Power requirement: at least approx. 42 kVA
Required air pressure: approx. 5 bar
Machine weight:
Approx. 24,000 kg including pallet changer

Equipment:
5-axis simultaneous machining
Siemens SINUMERIK 840D sl
Motor spindle with 16,000 rpm
HSK-A63 tool interface
Automatic pallet changer
Pallets 630 x 630 mm
Tool magazine with 60 positions
High-pressure internal cooling 80 bar
Minimum quantity lubrication Lubrix V7
Pressure booster
Compressed air storage tank
Chip conveyor
Coolant and filter system

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