Comet R6 I

5-axis CNC machining centre designed for working bars or parts in aluminium, PVC, light alloys in general and steel. It includes two different operating modes: the first one, in single-zone mode, for machining whole bars in a single working area, up to 7 m long; the second one, in double operation, for machining multiple workpieces in the two separate working areas. All CNC axes are absolute and do not require resetting upon restarting the machine. COMET R6, version “I”, features independent servocontrolled clamps that, in dynamic double operation, position themselves in concurrent operation time with respect to the spindle machining processes in the opposite working field. The 4th and 5th axis allow the electrospindle to rotate to CNC from –15° to 90° on horizontal axis, and from 0° to 720° on continuous vertical axis, to machine the top and all the side faces of the profile. Features a 12-place tool magazine, on the gantry (X-axis), that can hold a blade with a maximum diameter of 250 mm. The mobile worktable facilitates the workpiece loading/unloading operation fully ergonomically, and significantly increases the machinable section on the Y-axis.

Technical data arrow_drop_down
AXIS STROKES 
X AXIS (longitudinal) (mm)
7340
Y AXIS (transversal) (mm)
1000
Z AXIS (vertical) (mm)
450
B axis (rotation on electrospindle horizontal axis)
-15° ÷ +90°
C AXIS (rotation on electrospindle vertical axis)
-360° ÷ +360°
POSITIONING SPEED 
X AXIS (longitudinal) (m/min)
120
Y AXIS (transversal) (m/min)
60
Z AXIS (vertical) (m/min)
30
B AXIS (°/min)
8800
C AXIS (°/min)
8100
ELECTROSPINDLE 
Electrospindle controlled on 5 axes with the possibility of simultaneous interpolation
 
Cooling with heat exchanger
 
Maximum power in S1 (kW)
8.5
Maximum power in S6 (60%) (kW)
10
Maximum speed (rpm)
24000
Toolholder cone
HSK - 63F
Automatic tool holder coupling
 
AUTOMATIC TOOL MAGAZINE ON BOARD THE GANTRY 
Maximum number of magazine tools
12
Maximum length of the tool that can be loaded into the magazine (mm)
190
Maximum diameter of the blade that can be inserted in the magazine (mm)
Ø = 250
Magazine places occupied by blade tool
2
FUNCTIONS 
Dynamic double operation
 
Multi-piece operation
 
Basic multi-step machining - up to 5 steps
 
Automatic management of multi-step mode machining
 
Extended machining, up to twice the maximum nominal length in X
 
Workpiece rotation for machining on 4 sides
 
WORKPIECE LOCKING 
Independent motorised vices
 
Maximum number of pneumatic vices
12
Standard number of pneumatic vices
8
Maximum number of vices per area
6
WORK AREA 
Included       
Avayable
Glass protection
Safe, perfect, resistant, long-lasting. These are the advantages of choosing glass for protecting the new Comet machining centres. Glass is also easy to clean and less susceptible to scratches and wear. Machine cuts operate to flag machine statuses, thanks to a light colour interface. The whole visor slides downwards, thus making it easier to load the workpieces; additionally, the ends feature aluminium guards that act as a support plane if needed.
Comet R6 I Motorized vices Emmegi
Motorized vices
The motorized vices, each equipped with its own motor, can be positioned independently in the work area. The CNC manages the movement of vices and that of electrospindle head simultaneously, in the two different work areas in double operation mode. This enables significant productivity gains. Using absolute reference axes allows reducing the initialisation time required every time the machine is restarted.
Label printer

The industrial label printer allows each cut profile to be identified with identifying features from the cutting list. In addition, barcode printing enables easy identification of the profile itself, which is particularly useful for subsequent machining steps on Machining Centres or assisted assembly lines.

Comet R6 I Label printer Emmegi
Comet R6 I Tool magazine Emmegi
Tool magazine
The tool magazine is integrated on the X axis, in the lower part and behind the electrospindle. It allows great reduction of tool change times. This function is particularly useful in the extrusion head and tail machining, avoiding the stroke to get to the magazine, as it moves simultaneously with the electrospindle and its positions. The magazine can contain up to 12 toolholders with relevant tools, including a blade with a maximum diameter of 250 mm, which can be set at the operator’s discretion. Each position of the tool holder is provided with a sensor detecting the correct cone position.
Operator interface
The possibility of rotating the monitor on its vertical axis allows the operator to view the screen from any position. The user interface has a 24” touchscreen display in 16:9 format, portrait mode, equipped with the necessary USB connections for PC and CNC remote interfaces. It also features an operator panel, mouse, and it is set up for connecting barcode reader and remote operator panel.
Comet R6 I 5 axes electric head -R- Emmegi
5 axes electric head -R-
8.5 kW S1 high torque electrospindle also allows heavy duty machining, which is typical in industrial processing. As an option and for higher performances a 10.5 kW encoder equipped electrospindle is available for rigid tapping. Electrospindle rotation along B and C axes allows working on 5 sides of the profile, with no need of repositioning. It can be used for some types of steel extrusions as well as for aluminium profiles, thanks to the software-adjusted lubricating system. With its double tank it allows either minimum oil circulation or oil emulsion spray-mist.
Foldaway tunnel
Integrated with the machine’s aesthetics and design, thanks to the perforated sheet metal for transparency and lightness, the tunnel opens and closes as needed. As its length can be reduced when not in use, it helps save space at the workshop. The outlet for the chip conveyor belt and its engine are built into the lower section, in view of an aesthetic and functional design.
Comet R6 I Foldaway tunnel Emmegi
Comet R6 I Dynamic double operation Emmegi
Dynamic double operation
The innovative machining mode allows minimising downtimes when loading and unloading the workpieces to be machined. The system allows, in the two distinct and independent work areas, to simultaneously carry out the loading/unloading of extruded profiles on one side, and machining of workpieces on the other, with different lengths and/or codes. This solution makes the machine very flexible, which is highly suitable for the field of window/door frames and for small work orders, where machining is required for small lots of different pieces.

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