The HUMMEL® belt sanding machine is the best-known floor sanding machine in the world, with thousands of models in use across the globe. Mature, long-life technology for perfect sanding quality and enormous machine power have made it the undisputed number one system for parquet floor finishing for decades. The combination of an aggressive sanding drum, three-stage drum pressure regulation and belt tensioning device with integrated automatically regulated belt guidance guarantees quick work and optimum sanding quality.