Common defects and causes of finished products in use of metal cross-cutting machine

1.Scratches

Defect characteristics: the surface has periodic dark or light-bright mechanical stripes or marks along the longitudinal direction; the location: the front and back surfaces:

Cause: The surface of the pinch roller and drive roller contacting the steel belt is rough or embedded with foreign objects: the tension pad is dirty: the tension belt is damaged.

2.Roller imprint

Defect characteristics: Periodic pits or impressions appear on the surface of the steel plate. Location: Any part of the surface

Cause: Produced during metal cutting machine shutdown

3.Edge wire

Defect characteristics: when strip steel is slit, the trimmed edge is not completely cut off, and it is attached to the edge of the finished steel strip; the generated part: the edge;

Cause: The disc shear blade gap and overlap are not adjusted properly, and the disc shear blade collapses.

4.Surface oil

Defect characteristics: oil or dirt after surface processing of unoiled steel strip: both sides of the steel strip

Cause: Failure to scrub all equipment in contact with the strip surface as planned

5.Glitch

Defect feature: sharp and thin spurs appear on the edge of the steel strip. Location: both sides of the steel strip

Causes: poor disc cutting edge, improper tool clearance, cutting edge chipping

Details of metal cut to size: www(dot)shsinopower(dot)com

Equipment and product technical consultation: stevenma(at)shsinopower(dot)com.