Comet S6 I

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4-axis CNC machining centre designed for working bars or parts in aluminium, PVC, light alloys in general and steel. It is equipped with two operating modes: a single work area for bars up to 7 m length or two independent work areas in double mode. The machine is equipped with independent motorized vices that allow positioning the vices in concurrent operation time during the operation in dynamic pendular mode. The 4th NC axis allows the electrospindle to rotate from –120° to +120° on the horizontal axis and position itself at any intermediate angle. The machine can therefore perform machining operations on the top and on all side faces of the profile at any angle within the range. It is equipped with a 12-place tool magazine, on the X axis gantry, able to host also one milling disc. It also has a mobile work table that facilitates the workpiece loading/unloading operation and significantly increases the workable section.

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Technical data

AXIS STROKES

X AXIS (longitudinal) (mm)

7.340

Z AXIS (vertical) (mm)

450

Y AXIS (transversal) (mm)

1.000

A AXIS (rotation on electrospindle horizontal axis)

-120° ÷ +120°

ELECTROSPINDLE

Maximum power in S1 (kW)

8,5

Maximum power in S6 (60%) (kW)

Maximum speed (rpm)

24.000

Toolholder cone

HSK - 63F

Automatic tool holder coupling

Cooling with heat exchanger

Electrospindle controlled on 4 axes with the possibility of simultaneous interpolation

WORK AREA

1F = 1 face machining 5F = 5 faces machining

COMET S6 I		A	B	C	D	X1	Y1	Z1	X2	Y2	Z2
single mode		60	130	95	250	6.880	300	210	6.880	250	215
asymmetrical double mode	lh	60	130	95	250	3.250	300	210	3.120	250	215
asymmetrical double mode	rh	60	130	95	250	2.785	300	210	2.650	250	215
symmetrical double mode	lh	60	130	95	250	2.970	300	210	2.840	250	215
symmetrical double mode	rh	60	130	95	250	3.065	300	210	2.930	250	215

Dimensions in mm

TAPPING CAPACITY (with tap on aluminium and through hole)

With compensator

Stiff (optional)

M10

WORKPIECE LOCKING

Standard number of pneumatic vices

Maximum number of pneumatic vices

Independent motorised vices

Maximum number of vices per area

AUTOMATIC TOOL MAGAZINE ON BOARD THE GANTRY

Maximum number of magazine tools

Maximum diameter of the blade that can be inserted in the magazine (mm)

Ø = 250

FUNCTIONS

Multi-piece operation

Dynamic double operation

Basic multi-step machining - up to 5 steps

Automatic management of multi-step mode machining

Workpiece rotation for machining on 4 sides

Multi-piece mode machining in Y

Extended machining, up to twice the maximum nominal length in X

Included

Available

4 axes electric head -S-

The 8.5 kW electrospindle in S1 with high torque also enables performing the heavy machining typical of the industrial sector. A 10.5 kW electrospindle with encoder for rigid tapping is available as optional. Electrospindle rotation along A axis allows working on 3 sides of the profile, with no need of repositioning. Normally used for machining extruded aluminium profiles, it also enables machining steel profiles thanks to the twin tank lubrication system: one with minimal oil diffusion, and the other with oil emulsion spray.

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.

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.

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.

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 tool holders with relevant tools, 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.

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.

Foldaway tunnel (Optional)

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.

Label printer (Optional)

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.