Whenever the finished surface of the material touches another surface, there is the possibility of damage. Equipment and process deficiencies can damage the finish during operations such as slitting, recoiling or cutting to length. Scratches can be caused by improper braking on the uncoiler, or any increase or decrease in tension on the coil that leads to movement within the coil. Download the Full Article to read Chicago Slitter’s suggestions for slitting and blanking painted, polished or surface-treated metals.
Reprinted by Modern Metals Lite July 1998