The reason for metal pressing onto the surface of aluminum plate

The metal is pressed into the surface of the aluminum plate The reason may be that metal chips fall onto the surface of the aluminum plate during processing.

The quality of the shear edge of the disc is not good enough, and the burrs produced fall onto the surface of the aluminum plate and press into the aluminum plate.

The compressed air is not blown clean, and metal chips on the surface of the aluminum plate.

The scratches on the surface of the aluminum plate may be because there are sharp corners on the hot rolling mill.

The aluminum plates overlap each other, causing scratches when moving.

During the packaging process of the aluminum plate, metal debris is brought to the surface of the aluminum plate, causing scratches.