Tension bending straightening cleaning machine is generally the last process of aluminum sheet production, and the requirements for the plate surface are extremely strict. Under the condition of removing the oil stain and residual powder on the plate surface, the plate surface can not have any scratches. Therefore, the brush roller structure is best to select the internal spray brush roller, and the brush wire adopts the multi strand brush wire of German Hal company or Japan hoteni company, or 1mm nylon multi strand wire, without current. 0.3-0.5mm nylon wire can be used for cleaning aluminum thick plate and strip