The “EVO” Machining Centre is a milling machine 5-axis on the tool and commanded by a NC, consisting of a structure with Cartesian axes and a mobile crossbeam:

• The base, a single block whose structure consists of a built-in worktop, supports, at the back and front, two beams with guides on which the sliding crossbeam has been placed: the “X” transversal axis.
• On the crossbeam slide the carriage of the “Y” longitudinal axis, on which moves the vertical arm for the “Z” axis.
• The Z axis arm end is the fastening element of the operating unit.

• Motion is transmitted by Brushless servomotors coupled to precision gear reducers with pinions fastened onto them and running on hardened and ground precision racks with helical teeth.
• The components slide on precision prismatic guides with recirculating ball runners.
• The brushless motors integrate the position data transmission system. The Z-axis motor is fitted with a brake.
• Brushless motors and digital controls on each axis allow for high performance in terms of movements.

Dust protections:

The runners have a double external protection consisting of special scrapers.
All the guides and transmissions of the linear axes are covered with bellows.

Perimeter protections:
The perimeter closure ensures maximum operator safety during the machine’s operating cycle. It consists of panels forming an integral part of the structure on the back and sides. At the front, there are 2 sliding doors with automatic opening and large inspection windows.

Optional feature

1  Removable central partition dividing the work area into two zones.

“POWER” bi-rotary head

Motion is transmitted by a servo-assisted brushless motor allowing for programmable positioning in any point of the rotation.

Nr. 01 Electrospindle with automatic cone change:

• Mounted on the bi-rotary head and with liquid cooling
• Power 12 kW (10 kW in continuous service S1) with a nominal speed of 12,000 rpm,
• Max rotation 22,000 rpm
• Built-in tool change device for HSK 63F cone.

Nr. 01 Tool magazine:

Consisting of a 12-position tool change magazine located on the inner side of the base. Complete with pressurised cone cover.

SERVODRIVES:

YASKAWA SIGMA-5 SD motors and drives pack
OSAI OPEN-M NUMERICAL CONTROL

Or as an alternative:
 

MITSUBISHI servomotors and drives pack
1 M700V series MITSUBISHI NUMERICAL CONTROL

Portable terminal with handwheel, 4-line LCD screen, keypad and emergency button. 5-metre cable

 

OPERATING UNIT R2

Nr. 01 Bi-rotary head

With 2 electrospindles

• Power 2 kW (in continuous service S1) with ER20 clamp connection for locking tools with a shank maximum diameter 16mm
• max rpm 24,000
• Air cooling

OPERATING UNIT R3
Nr. 01 Bi-rotary head with 1 Revolver with 3 spindles:

• Nr.01 Power 2 kW with ER25 clamp connection, max rpm 24,000
• Nr.02 Power 1 kW with ER20 clamp connection, max rpm 24,000
• Air cooling

OPERATING UNIT R4
Nr. 01 Bi-rotary head with 1 Revolver with 4 spindles:

• Nr.01 Power 2 kW with ER25 clamp connection, max rpm 24,000
• Nr.03 Power 1 kW with ER20 clamp connection, max rpm 24,000
• Air cooling

"BASIC" OPERATING UNIT

Nr. 01 Bi-rotary head

Motion is transmitted by a servo-assisted brushless motor allowing for programmable positioning in any point of the rotation.

The special shape of the head that brings the spindle axis to 233 mm from the centre of the vertical axis allows for machining on the worktop, dimensions exceeding the stroke of axis X, Y by over 400 mm.

Nr. 01 Automatic cone change electrospindle::

• Mounted on the bi-rotary head and with liquid cooling
• Power 8 kW (6.5 kW in continuous service S1) already at a nominal speed of 12,000 rpm, max rotation 36,000 rpm
• Built-in tool change device for HSK 50F cone.

Nr. 01 Table:
The workpiece-holder table is an integral part of the machine base, featuring an electro-welded reticular structure. The joists have blocks with a machined worktop parallel to the strokes of axes X and Y. Complete with M10 threaded holes for positioning and fixing templates, any worktops or blocks of unprocessed material to be machined.

• The pitch of the holes is 625 mm in X and 550 mm in Y.
• The height of the worktop from the floor is about 580 mm.

The distinctive execution of the internal area directs chippings in special collection tanks placed under the worktop. Indeed, between each joist and the next there is a walk-on grating.

Nr. 01 “TOOL” TABLE COVER:

Monolithic cast iron table with 22mm T-slots

Nr. 01 Removable Suction Table:

Aluminium table, about 28mm thick, suitably machined surface with channels, 30 mm pitch, to distribute the vacuum

The suction table with T-slots:

The surface of the aluminium worktop includes steel inserts placed with a centre distance of 300 mm, with T-slots (type 16) parallel to the "Y" axis to make mechanical locking and references easier.

Nr. 01 Vacuum system

Vacuum circuit for the separate control of two work areas, which can be activated manually or automatically by the program. Each line of the vacuum circuit is fitted with a filter to prevent the pumps from clogging.

Nr. 01 Turntable:

The station change rotation is electrically driven by a geared motor.
Complete with two workpiece-holder worktops joined together, separated by a central partition. This design allows the operator to carry out, under entirely safe conditions, the unloading and loading stage in masked time.

• Minimal tool lubrication device
• Device used to measure the tool and requalify the origin of the head rotating axes
• Tool setter laser
• Radio probe
• Ioniser for blowing air
• Full cover
• Machine cover, also at the top of the work area
• Safety system to detect collisions
• “Advanced” programming and self-learning system (for CN OSAI only) consisting of:
  - Portable operator terminal. Used to easily and manually move the machine axes, perform the setting and learning of points to generate programs.
  - Self-learning software with 3D graphic simulation