Equipped with pneumatic protection devices, motor overheat protection, power failure protection, and automatic descent protection. The sanding belt oscillation is controlled by pneumatic pressure, unaffected by dust or power outages, ensuring balanced and uniform oscillation. Features a five-circuit fault display device. Photoelectric switch controls the sanding belt. Imported microcomputer controls sanding thickness. Imported brake resistors ensure machine safety. Sanding frame rises and falls, two sanding passes followed by one polishing pass.
