Troubleshooting Common Felt Roll Problems

Major cause is due to wad burns. Tractors and conveyors are the first items to check. The list of possible remedies is dependent on handling methods. When the core within a roll of the paper has collapsed. Sharp outside blow or other mishandling:

When compressed, the pressure is too small, or the pressure plate swings too much, or the compression time is too long, resulting in strips or hairs on the surface of the felt. Most roll defects are caused by poor nip or tension. Most structural defects occur either because of an incorrect level of stress or from very high localized stresses. The two main sources of this stress are the nip, directly or through the. Heres a practical guide to the most common defects in roll forming and how to avoid them. Twisting occurs when the metal strip twists along its.