Comet R4 I

5-axis CNC machining centre used for the machining of bars or aluminium, PVC, light alloys in general and steel workpieces up to 4 m in length. The machine is equipped with independent motorized vices that allow positioning the vices in concurrent operation time. The 4th and 5th axis allow the electrospindle to continuously rotate to NC from -15° to 90° on horizontal axis and from -360° to +360° on continuous vertical axis, to perform the work on the upper side and on all the lateral sides of the profile. 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.

Servocontrolled clamps

The servocontrolled clamps, each with their own motor, can independently position themselves on the working field. The CNC simultaneously manages the handling of the clamps and the head of the electrospindle in the two different working fields in double operation. This enables significant increases in productivity. The use of absolute reference axes enables reducing the time for machine initialisation at each restart.

Comet R4 I Servocontrolled clamps Emmegi
User 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.

Electrospindle

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 B and C axes allows working on 5 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.

Comet R4 I Electrospindle Emmegi
Comet R4 I Foldaway tunnel Emmegi
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 in the workshop. The outlet for the chip conveyor belt and its motor are built into the lower section, in view of an aesthetic and functional design.

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