ROBA Profi Disc


The ROBA Profi Disc principle is used for sanding of flat and grooved surfaces. Constructed for the following operation areas:

  • Intermediate lacquer sanding
  • White wood sanding
  • MDF sanding

Sanding method

Many optional combinations allow the user to configure a ROBA Profi Disc for his specific demands.

The starting point is a double brush working clockwise followed by counterclockwise sanding: Only this procedure guarantees that in every case protruding wood fibers are cut off, regardless of the grain direction of the material, both wood or MDF.

The double brush is followed by a Profi Disc system that sands the workpiece in all details. This is made possible by the 3-axis disc system which is a special MB design: four rotating 200mm disc tools with 14 abrasive strips each are mounted on three rotating master discs. Additionally the entire unit oscillates back and forth. All axes movements can be regulated separately. Due to this, the sanding pattern can be visibly influenced. The kinematic is based on the sanding process of an eccentric sander and guarantees a uniform surface.

New is the reinforced disk unit, which can be used for light structuring and calibration work. For this purpose the unit is placed at the inlet of the machine and adapted by the use of special disc tools: Discs with steel wires are used for texturing, being able to perform regardless of the grain direction of the wood. The plane Micron discs are used to sand flat surfaces and create a chaotic sanding pattern that is invisible after the topcoat coverage. Chamfered discs make it easier to sand part edges and V-shaped grooves, since the inclined sanding brushes better can reach the milled contours.

An optional cleaning unit at the machine end includes a specially manufactured cleaning brush, an Ionizing Bar and Air Knife.

In the basic configuration the encapsulated machine has a pressure roller hold-down system. For small work pieces the machine can be equipped with a vacuum transport, further with a motoric height adjustment of the aggregates.

Advantages of the ROBA Profi Disc principle

  1. The sanding method copies the procedure of orbital hand sanding
  2. Invisible sanding pattern
  3. Work pieces are sanded in all details
  4. Tool less change of the discs
  5. Various machine configurations possible
  6. Abrasive configuration is freely selectable from the MB Flex system

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