Levibreton KLG/SF - with conveyor belt

Specially designed for dressing/polishing small to medium batches of granite or marble slabs. The heavy-duty structure of the machine is fixed to the foundations and “straddles” the work bench, which is equipped with a conveyor belt powered by an inverter-controlled motor. The conveyor belt is also secured to the foundations. The spindle beam is powered by an inverter-controlled motor, which provides the reciprocating motion. It travels on guides mounted on the two side bridges of the main machine structure. The spindles mounted on the beam are positioned into sturdy cast-iron housings and each one of them is activated by a pair of pneumatic cylinders to ensure correct vertical spindle travel. These spindles are pneumatically activated and the working pressure can be adjusted for each separate spindle. Each spindle can be equipped with our Breton special heads with 6 oscillating bricks for dressing granite slabs or with abrasiveholding plates for polishing marble. Special abrasive-holding plates for marble polishing, to be hooked under the special Breton heads with oscillating bricks, are also available. An electronic sensor, which is placed in entrance of the conveyor belt, scans the shape of the slab ensuring automatic adjustment of the spindle beam travel to the width of the slabs and the automatic vertical travel of the heads.

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Dressing-polishing units

The cast-iron dressing-polishing units are the result of a special design developed to give greater rigidity without increasing the weight. A pair of cylinders with protected internal rods ensure smooth spindle positioning and travel. Each spindle can be equipped with our Breton special heads with 6 oscillating bricks for dressing granite slabs or with abrasive-holding plates for polishing marble. Special abrasiveholding plates for marble polishing, to be hooked under the special Breton heads with oscillating bricks, are also available.

With oscillating bricks

The special Breton head with six oscillating bricks is the result of Breton’s unique experience. Complete and thorough field tests have been converted into mathematical models correlating all the working parameters (head rotation speed, frequency of oscillation, angle of oscillation, length of the brick holders, working pressure).The ideal correlations among all the parameters were thus defined so as to maximize the head removal capacity and polishing quality. The internal components (patented) guarantee a constantly “guided” oscillation of the brick holders, with minimal mechanical play. That’s why, when mounted on the Breton head, the diamond tools always work in the most appropriate way and the output of the traditional abrasive tools is maximized.

 

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