CLEVERSTAR series is a modular grinding machine for removing the residues of resins, pastes and inks after the hole plugging process in the production of printed circuit boards.

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This machine is also ideally suited for scrubbing press plate separator.

The Cleverstar’s operating cycle is based on the control of the three axis (X-Y-Z).

The Cleverstar is composed by a monobloc for the Three Independent Brushes : the oscillation is controlled by brushless motor.

The flexibility of the Cleverstar allows the changing of parameters to meet all types of hole plugging systems and applications.

Because various panel production systems generate different surface topography, the pressure may be selectively adjusted for different Areas on the panel, to reach the appropriate treatment.

Setting so the pressure, each portion of the panel can be treated differently, such as dealing with more aggressive one corner or the centre or both .

Independently the panel size, the working Area can be selected on the touch screen display.

 The brushes can work by different pressure on a specific designed Area, independently the panel size.

The pressure, controlled by the brushless motor, is independent on each brush. This guarantees optimal grinding action apart from the board surface, thus ensuring accurate surface treatment, minimal board stretching and reduced copper removal, without holes defects (ovalization).

The brushless motors work with a reaction time of 25 msec and this allows accurate controls on working area and pressure adjustment.

This prevents any potential damages to the panel edges and sides.

 The Frequency of oscillation can be adapted to the process by brushless motor.

Oscillation width: automatic adaptation to the panel dimension.

Automatic set up of panel width and thickness.

 Cleverstar allows to change only the brush desired, without the necessity to change all the set of brushes, with an evident COST SAVING. The brushes don’t need any preparation cycle with the dressing plate for flatness surface.

Brushes can be changed easily by the operator without tools. A semi-automatic cycle brings the monobloc to a dedicated area of the structure for change out. Brushes are then automatically re-positioned at the correct height.

The machine is a Single Side processing series and available in a range of 650 (25,5”) and 760 mm. (30”) maximum panel width.

Cleverstar series can process panel from 0,3 to 12 mm (.012” to .48”) thickness, and for thinner thickness it is necessary the evaluation of our technical department.

The Cleverstar series is designed to support different types of brushes that process the panel individually, to obtain the correct surface roughness for the following process.

The modular design offers the in line option of adding a turn over device between 2 Cleverstar machines for automatic double side production.

 The modular design offers the possibility of adding various modules to the rinsing chamber, like Ultrasound and/or Super High Pressure modules, for more complex processing line.

Drying modules of different configurations are available to meet all production requirements.

The same machine can be advantageously employed in many other processes of the fabrication of printed circuits.

The used water is highly contaminated with copper. This contamination can be greatly reduced by employing three different copper separators “Copperstar” or “Custar” or “Paperstar”, see the section Filtering System.

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Application fields

Industrial Automation
Electronic consumer
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