The HBS 4000 is an automatic wood sander developed by LÖwer. It comes with large grooved sanding rollers, oversize bearings and powerful drive motors for large cutting. The unit is supplied with sturdy structure and accurate performance. It is equipped with 1/10 mm maximum sanding accuracy, 380 mm maximum working width, 5 to 390 mm work piece thickness, and sands on top and bottom. In addition, the framework features adjustable motorized height, and automatic scanning of work piece thickness.