European Trade Fair for Machine Technology, Equipment and Supplies for the Wood Crafts

19 - 22 March 2024 // Nuremberg, Germany

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Exhibitors & Products HOLZ-HANDWERK 2022
Zoom Image LOGO_Roba Tech Profi Disk

Roba Tech Profi Disk

LOGO_Roba Tech Profi Disk

Roba Tech Profi Disk

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Advanced Brush Sanding Technology

The patented and at the moment most advanced sanding machine, based on brush technology, is the Roba Tech Profi Disc of MB Maschinenbau.

The main idea of the Roba Tech principle is to avoid the main disadvantage of all today known rotational brush sanding machines: Those who work normally with sanding drums and a diameter of about 350 mm are only in a very small area in touch with the work piece.

Only in the vertex of the circumference of the tool a sanding process is possible. To compensate the very small sanding area such systems have to increase the rotation speed to a high degree. Only in this way they have a chance to get some effectiveness. But this results a “hard touch” of the sanding abrasives, what leads to an aggressive behavior on the edges, high temperatures and wavy optic of the material. Hurt edges and totally denibbed surfaces are often the result.

The innovative and patented Roba Tech is equipped with a totally new developed sanding belt containing 174 sanding strips and provides a sanding area of approx. 1300mm x 1500mm “in touch” with the work piece and more than 250 meters of sanding material on all aggregates. This is unique on the market of brush sanding machines. A 360 ° rotation of the sanding aggregate makes it possible to reach all edges and corners of a work piece.

Due to the by this means enlarged sanding effectiveness the machine is able to get best cutting results by lowest rotation speeds. As a result of this, low movement speeds let the sanding strips slide gently into the milled grooves and sand them every effectively.

The additional Profi Disc aggregate at the machine exit is based on a “3-Axes kinematics”. Twelve rotating discs are mounted three master discs, even rotating. This both movements are supported by oscillating stroke. Therefore the aggregate is able to reach smallest millings and able to guarantee an uniform sanding result on all edges.

Another new feature is the enhanced disk system that is suitable for texturing purposes. Here it is advantageous that the disk system distresses both, transverse and longitudinal wood frame rails, uniformly.

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