Aluminium milled parts Deburring in the dry process

The removal of secondary burrs following mechanical processing is very often carried out by vibratory grinding with abrasives and aqueous media, which necessitates expensive reprocessing.

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A new approach pursues the goal of deburring the aluminium milled parts dry. For this purpose, the aluminium milled parts are moved programme-controlled in the ADM drum system together with special abrasives, without the addition of aqueous media, in such a way that the burrs are removed. In addition, the surface is homogenised and the milling marks are removed.

Even complex assemblies can be machined with the aid of the ADM drum system after the mechanically machined milled parts have been assembled. They no longer have to be deburred manually.

Sensitive workpieces with large dimensions or mass are deburred individually in the ADM drum machine. Loading and unloading of the individual workpieces can also take place via a hoist (see also Fig. 3). It is possible to process several sensitive workpieces at the same time in variable separable chambers without damaging them (see also picture 4). The partition walls of the chambers can be positioned and fixed quickly and easily.

For machined aluminium profiles, systems can be realised for profile lengths of up to 6m drum length.

Natural additives (e.g. corncob meal) are added to bind the fine dust that occurs during dry processing and the residual fats from mechanical processing. The integrated extraction system permanently extracts the fine dust particles and makes the additives available for reuse. In contrast to vibratory finishing machines, processing with the ADM drum system is a very lownoise and vibration-free process. This favours the installation of the ADM drum system directly in the machining area with the involvement of existing employees. Due to the very low energy input, the sustainable reuse of additives and the possibilities for integration into existing production, dry machining is a cost-effective alternative to conventional vibratory finishing.

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