مخرطة المعادن PIETRO CARNAGHI AC 20 TM 1800

faceplate diameter 1800 mm
swing diameter 2000 mm
turning height 1270 / 1120 mm
Control SIEMENS 840 D
workpiece weight max. 5000 kg
ram head dimension 250 x 250 mm
table turning speeds 1 - 320 U/min
cross rail - adjustment 400 mm
ram head - cross travel (X) -2770 / +2275 mm
ram head - vertical travel (Z) 1250 mm
c-axis 360° (0,001°) deg
milling drive 37 kW
turning speed range - milling 10 - 3000 U/min
power capacity - table 100 kW
Torque 31784 Nm
feed range (X/Z) 0,1 - 15000 mm/min
total power requirement kW
weight of the machine ca. 55 t
dimensions of the machine ca. m
Used CNC vertical lathe for turning, drilling and milling
First machine installation in the year 2011.

Max. workpiece diameter: 2040 mm
Max. workpiece height: 1270 mm
Ram stroke: 1250 mm
Max. workpiece weight: 5000 kg (per pallet/chuck)
Table speed range: 1.0 - 320 rpm
Table drive motor: 100 kW
Drilling and milling spindle: 37 kW
Crossbar travel: 2 steps of 200 mm each
Total electrical connection value: 218 kVA
CNC control: Siemens 840 D
Number of NC axes: 4 (X, Z, C, crossbar adjustment)
Travels:
X-axis: -1650 to + 2165 mm
Z-axis: 1250 mm
Rapid traverse X- Z-axis: 15 m/min
Number of tool magazine spaces:
80 spaces in the chain magazine, of which 60 x HSK 100 and 20 x Capto C6
Disc magazine 12-pos. for rotary holders and attachment heads
Coolant system with filter and circulation unit
Chip conveyor
Oil-mist-extractor

1 pallet with jaws, diameter 1800 mm
1 hydraulic chuck with base jaws, diameter 1800 mm
Various drilling and milling heads
2 measuring probes
Several turning tool holders


Special feature:
Pallet changer with two stations, equipped with a face plate
Ø1800 mm and a six-jaw lever compensation chuck with mechanical
centrifugal force compensation Ø1800 mm.

Note:
The machine is in a pit.

Condition description:
The cross roller bearing on the Carnaghi was replaced about half a year ago.
The Siemens components in the control cabinet were also completely replaced at
the end of 2023.
The machine also has a measuring probe for tool measurement
and an external Renishaw measuring probe for workpiece measurement.
As a special feature, the machine also has a measuring probe installed on the
Z-axis
(Z1-axis). This brings an advantage in terms of accuracy and time, as the tool
does not have to be put down for measuring. However, it is currently shut down
and should be overhauled when it is put back into operation. The machine also
has a Rotomors six-jaw lever compensating chuck with centrifugal force
compensation, which was completely overhauled in 2020/21.

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