This MB Maschinenbau Roba Tech 1300 is a sander — sometimes referred to as a brush sanding machine — designed to abrade, deburr, or surface-finish workpieces as they are conveyed through the machine on a continuous feed belt. MB Maschinenbau is a German manufacturer known for producing specialist surface-finishing and grinding equipment for woodworking, metalworking, and industrial panel processing applications.
The machine's core working element is a rotating grinding brush belt made up of 174 segment brushes, each spanning the full working width of 1,300 mm. The segmented construction is a practical feature: individual segments can be changed easily and are inserted into the brush belt from the side, reducing maintenance downtime. The operating side is positioned to the right in the direction of travel.
The grinding unit features motorised height adjustment with a range of approximately 0 to 80 mm, which corresponds directly to the machine's maximum part thickness capacity of approximately 80 mm, though the achievable thickness in practice will depend on the abrasive coating fitted. The adjustment range is freely programmable via the machine's control system, allowing the working height to be set with precision and repeatability. The working height at the conveyor level falls between 850 and 900 mm.
Feed speed is continuously adjustable between 3 m/min and 10 m/min, giving the operator control over the rate at which workpieces pass through the machine and therefore the intensity of the surface treatment. A vacuum conveyor belt holds workpieces securely during processing, and a cleaning roller is included to keep the feed belt free of debris.
The machine is powered by a 400 V / 50 Hz electrical supply, with a total connected load of 16 kW at 36 A. Its overall footprint is 3,860 mm in length, 2,400 mm in width, and 2,000 mm in height, and it weighs approximately 2,600 kg. The paintwork is finished in RAL 7035 light grey with green contrast detailing. Built in 2014, this used machine is currently located in Germany.
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