CNC turning and milling center

Index G 300

High-performance CNC turning and milling center for the complete machining of complex turned parts. The documented configuration combines a main and counter spindle with two tool slides, two 12-position turrets, Y and B axes, and C axes on both spindles.

Machine type:
INDEX G300 RatioLine
Year of construction: 2009
Turning length: 710 mm
Main spindle:
D90 43 kW
Counter spindle D90 28 kW
Control: INDEX C200-4D

The INDEX G300 RatioLine is designed as a flexible CNC turning machine for complete machining in a single setup. The main and counter spindles enable the transfer of the workpiece within the machine. The two tool slides support parallel and combined turning, drilling, milling, and threading operations.

Feature Specification
Series G300 RatioLine
Machine type CNC turning and milling center with main and counter spindle
Year of construction 2009 (according to nameplate)
Turning capacity 710 mm
Tool carrier 2 tool slides, each with a 12-position turret
Control INDEX C200-4D with 26 cm color flat screen
Operating and display language English

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Machining concept
• Complete machining on main and counter spindle
• Two tool slides for flexible machining sequences
• First slide with X, Y, Z, and B axes
• Second slide on the right with X and Z axes
• C axes on main and counter spindle
• Synchronized spindle functions via electronic cam

12-position tool turret in the spindle area

Spindles and clamping system
Feature Specification
Main spindle D90, size 8 according to DIN 55026/55021 and ISO 702/1
Main spindle power max. 43 kW at 100 percent duty cycle
Counter spindle D90, size 8 according to DIN 55026/55021 and ISO 702/1
Counter spindle power max. 28 kW at 100 percent duty cycle
Indexing Main and counter spindle with 2.5-degree indexing
C axes Available on main and counter spindle
Clamping cylinder Through-hole clamping cylinder on both spindles
Clamping pressure Variable on both spindles from 8 to 80 bar
Spindle synchronization Electronic cam

Internal detail and workpiece handling

Tool slide and turret
Feature Specification
Tool slide 1 X, Y, Z, and B axes; turning length 710 mm
Turret 1 12 stations, DIN 69880-30, involute and T-slot positioning
Tool slide 2 Arranged on the right; X and Z axes
Turret 2 12 stations, DIN 69880-30, T-slot positioning
Tool capacity Total of 24 turret stations
Thread drilling Rigid tapping with driven tools; C-axis required
C-axis functions Transmit and Tracy function

Work area with main and counter spindle as well as two tool turrets

Control and electrical data
Feature Specification
Control INDEX C200-4D
Screen 26 cm color flat screen
Control cabinet 1,800 mm wide
Signal light Blue; bar end and fault
Teleservice Preparation for analog teleservice
Nominal voltage 400 V AC
Nominal current 118 A
Maximum fuse rating 125 A
Nominal power 69 kW
Connected power 82 kVA
Frequency 50 Hz
Control voltage 24 V DC

Read operating indicators
The control panel photo shows the following individual counters. The general on-time and hydraulic counters are at 99,999:50 hours and thus appear as limit or saturation values. They should not be used as verified total operating hours.
Feature Specification
Spindle S1 9,682:10:41 h
Spindle S2 3,561:06:03 h
Spindle S3 12,230:20:08 h
Spindle S4 12,311:38:59 h
Chip conveyor 5,379:34 h
Coolant 22,260:00 h

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