Square tube rust removal and polishing machine is mainly used for instrument machinery, vehicle accessories, hardware manufacturing, surface rust removal and polishing, using round tubes, round bars, etc., with convenient operation and cost savings. The square tube rust removal and polishing machine can achieve automatic surface polishing. It is suitable for small and metal workpieces. Surface luster and burr removal are automatic. It can be operated by one person on multiple machines. Mainly used by customers in craft processing factories, hardware processing factories, sanitary ware processing factories, electronic processing factories, and so on. This equipment is relatively simple to operate and requires lower skill levels from the operator. It can improve production efficiency, reduce labor intensity, save production costs, enhance product quality, and minimize quality variations.